mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 01:49:02 +00:00
Generalize fields for particle advection
This commit is contained in:
parent
502c310cf8
commit
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160
vtkm/Particle.h
160
vtkm/Particle.h
@ -11,6 +11,8 @@
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#define vtk_m_Particle_h
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#include <vtkm/Bitset.h>
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#include <vtkm/VecVariable.h>
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#include <vtkm/VectorAnalysis.h>
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namespace vtkm
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{
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@ -68,6 +70,12 @@ public:
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VTKM_EXEC_CONT
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Particle() {}
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VTKM_EXEC_CONT virtual ~Particle() noexcept
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{
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// This must not be defaulted, since defaulted virtual destructors are
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// troublesome with CUDA __host__ __device__ markup.
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}
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VTKM_EXEC_CONT
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Particle(const vtkm::Vec3f& p,
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const vtkm::Id& id,
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@ -92,7 +100,20 @@ public:
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{
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}
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vtkm::Particle& operator=(const vtkm::Particle& p) = default;
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vtkm::Particle& operator=(const vtkm::Particle&) = default;
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// The basic particle is only meant to be advected in a velocity
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// field. In that case it is safe to assume that the velocity value
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// will always be stored in the first location of vectors
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VTKM_EXEC_CONT
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virtual vtkm::Vec3f Next(const vtkm::VecVariable<vtkm::Vec3f, 2>&, const vtkm::FloatDefault&) = 0;
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// The basic particle is only meant to be advected in a velocity
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// field. In that case it is safe to assume that the velocity value
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// will always be stored in the first location of vectors
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VTKM_EXEC_CONT
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virtual vtkm::Vec3f Velocity(const vtkm::VecVariable<vtkm::Vec3f, 2>&,
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const vtkm::FloatDefault&) = 0;
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vtkm::Vec3f Pos;
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vtkm::Id ID = -1;
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@ -100,6 +121,141 @@ public:
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vtkm::ParticleStatus Status;
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vtkm::FloatDefault Time = 0;
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};
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}
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class Massless : public vtkm::Particle
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{
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public:
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VTKM_EXEC_CONT
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Massless() {}
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VTKM_EXEC_CONT ~Massless() noexcept override
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{
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// This must not be defaulted, since defaulted virtual destructors are
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// troublesome with CUDA __host__ __device__ markup.
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}
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VTKM_EXEC_CONT
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Massless(const vtkm::Vec3f& p,
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const vtkm::Id& id,
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const vtkm::Id& numSteps = 0,
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const vtkm::ParticleStatus& status = vtkm::ParticleStatus(),
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const vtkm::FloatDefault& time = 0)
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: Particle(p, id, numSteps, status, time)
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{
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}
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/*VTKM_EXEC_CONT
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Massless(const vtkm::Massless& p)
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: Particle(p)
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{
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}*/
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VTKM_EXEC_CONT
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vtkm::Vec3f Next(const vtkm::VecVariable<vtkm::Vec3f, 2>& vectors,
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const vtkm::FloatDefault& length) override
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{
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VTKM_ASSERT(vectors.GetNumberOfComponents() > 0);
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return this->Pos + length * vectors[0];
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}
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VTKM_EXEC_CONT
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vtkm::Vec3f Velocity(const vtkm::VecVariable<vtkm::Vec3f, 2>& vectors,
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const vtkm::FloatDefault& vtkmNotUsed(length)) override
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{
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// Velocity is evaluated from the Velocity field
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// and is not influenced by the particle
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VTKM_ASSERT(vectors.GetNumberOfComponents() > 0);
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return vectors[0];
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}
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};
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class Electron : public vtkm::Particle
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{
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public:
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VTKM_EXEC_CONT
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Electron() {}
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VTKM_EXEC_CONT
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Electron(const vtkm::Vec3f& position,
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const vtkm::Id& id,
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const vtkm::FloatDefault& mass,
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const vtkm::FloatDefault& charge,
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const vtkm::FloatDefault& weighting,
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const vtkm::Vec3f& momentum,
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const vtkm::Id& numSteps = 0,
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const vtkm::ParticleStatus& status = vtkm::ParticleStatus(),
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const vtkm::FloatDefault& time = 0)
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: Particle(position, id, numSteps, status, time)
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, Mass(mass)
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, Charge(charge)
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, Weighting(weighting)
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, Momentum(momentum)
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{
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}
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VTKM_EXEC_CONT
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vtkm::FloatDefault Beta(vtkm::Vec3f momentum) const
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{
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return static_cast<vtkm::FloatDefault>(vtkm::Magnitude(momentum / this->Mass) /
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vtkm::Pow(SPEED_OF_LIGHT, 2));
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}
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VTKM_EXEC_CONT
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vtkm::Vec3f Next(const vtkm::VecVariable<vtkm::Vec3f, 2>& vectors,
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const vtkm::FloatDefault& length) override
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{
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// TODO: implement Lorentz force calculation
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return this->Pos + length * this->Velocity(vectors, length);
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}
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VTKM_EXEC_CONT
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vtkm::Vec3f Velocity(const vtkm::VecVariable<vtkm::Vec3f, 2>& vectors,
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const vtkm::FloatDefault& length) override
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{
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VTKM_ASSERT(vectors.GetNumberOfComponents() == 2);
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// Suppress unused warning
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(void)this->Weighting;
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vtkm::Vec3f velocity;
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// Particle has a charge and a mass
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// Velocity updated using Lorentz force
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// Return velocity of the particle
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vtkm::Vec3f eField = vectors[0];
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vtkm::Vec3f bField = vectors[1];
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const vtkm::FloatDefault QoM = this->Charge / this->Mass;
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const vtkm::FloatDefault half = 0.5;
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const vtkm::Vec3f mom_ = this->Momentum + (half * this->Charge * eField * length);
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//TODO : Calculate Gamma
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vtkm::Vec3f gamma_reci = vtkm::Sqrt(1 - this->Beta(mom_));
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// gamma(mom_, mass) -> needs velocity calculation
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const vtkm::Vec3f t = half * QoM * bField * gamma_reci * length;
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const vtkm::Vec3f s = 2.0f * t * (1 / 1 + vtkm::Magnitude(t));
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const vtkm::Vec3f mom_pr = mom_ + vtkm::Cross(mom_, t);
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const vtkm::Vec3f mom_pl = mom_ + vtkm::Cross(mom_pr, s);
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const vtkm::Vec3f mom_new = mom_pl + 0.5 * this->Charge * eField * length;
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//TODO : this is a const method, figure a better way to update momentum
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this->Momentum = mom_new;
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velocity = mom_new / this->Mass;
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return velocity;
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}
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private:
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vtkm::FloatDefault Mass;
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vtkm::FloatDefault Charge;
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vtkm::FloatDefault Weighting;
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vtkm::Vec3f Momentum;
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constexpr static vtkm::FloatDefault SPEED_OF_LIGHT =
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static_cast<vtkm::FloatDefault>(2.99792458e8);
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};
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} //namespace vtkm
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#endif // vtk_m_Particle_h
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@ -65,11 +65,16 @@ public:
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VTKM_EXEC_CONT
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inline const ComponentType& operator[](vtkm::IdComponent index) const
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{
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VTKM_ASSERT(index >= 0 && index < this->NumComponents);
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return this->Data[index];
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}
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VTKM_EXEC_CONT
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inline ComponentType& operator[](vtkm::IdComponent index) { return this->Data[index]; }
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inline ComponentType& operator[](vtkm::IdComponent index)
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{
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VTKM_ASSERT(index >= 0 && index < this->NumComponents);
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return this->Data[index];
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}
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VTKM_EXEC_CONT
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void Append(ComponentType value)
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@ -130,6 +130,7 @@ set(template_sources
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ColorTable.hxx
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FieldRangeCompute.hxx
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FieldRangeGlobalCompute.hxx
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ParticleArrayCopy.hxx
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StorageVirtual.hxx
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VirtualObjectHandle.hxx
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)
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@ -150,7 +151,6 @@ set(sources
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internal/VirtualObjectTransfer.cxx
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Initialize.cxx
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Logging.cxx
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ParticleArrayCopy.cxx
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RuntimeDeviceTracker.cxx
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Token.cxx
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TryExecute.cxx
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@ -184,7 +184,6 @@ set(sources
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Field.cxx
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FieldRangeCompute.cxx
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FieldRangeGlobalCompute.cxx
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ParticleArrayCopy.cxx
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PartitionedDataSet.cxx
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PointLocator.cxx
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PointLocatorUniformGrid.cxx
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@ -24,9 +24,10 @@ namespace cont
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/// Given an \c ArrayHandle of vtkm::Particle, this function copies the
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/// position field into an \c ArrayHandle of \c Vec3f objects.
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///
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VTKM_CONT_EXPORT
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VTKM_CONT void ParticleArrayCopy(
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const vtkm::cont::ArrayHandle<vtkm::Particle, vtkm::cont::StorageTagBasic>& inP,
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template <typename ParticleType>
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VTKM_ALWAYS_EXPORT inline void ParticleArrayCopy(
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const vtkm::cont::ArrayHandle<ParticleType, vtkm::cont::StorageTagBasic>& inP,
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vtkm::cont::ArrayHandle<vtkm::Vec3f, vtkm::cont::StorageTagBasic>& outPos);
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/// \brief Copy all fields in vtkm::Particle to standard types.
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@ -35,9 +36,10 @@ VTKM_CONT void ParticleArrayCopy(
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/// position, ID, number of steps, status and time into a separate
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/// \c ArrayHandle.
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///
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VTKM_CONT_EXPORT
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VTKM_CONT void ParticleArrayCopy(
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const vtkm::cont::ArrayHandle<vtkm::Particle, vtkm::cont::StorageTagBasic>& inP,
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template <typename ParticleType>
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VTKM_ALWAYS_EXPORT inline void ParticleArrayCopy(
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const vtkm::cont::ArrayHandle<ParticleType, vtkm::cont::StorageTagBasic>& inP,
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vtkm::cont::ArrayHandle<vtkm::Vec3f, vtkm::cont::StorageTagBasic>& outPos,
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vtkm::cont::ArrayHandle<vtkm::Id, vtkm::cont::StorageTagBasic>& outID,
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vtkm::cont::ArrayHandle<vtkm::Id, vtkm::cont::StorageTagBasic>& outSteps,
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@ -46,4 +48,8 @@ VTKM_CONT void ParticleArrayCopy(
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}
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} // namespace vtkm::cont
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#ifndef vtk_m_cont_ParticleArrayCopy_hxx
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#include <vtkm/cont/ParticleArrayCopy.hxx>
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#endif //vtk_m_cont_ParticleArrayCopy_hxx
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#endif //vtk_m_cont_ParticleArrayCopy_h
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97
vtkm/cont/ParticleArrayCopy.hxx
Normal file
97
vtkm/cont/ParticleArrayCopy.hxx
Normal file
@ -0,0 +1,97 @@
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_cont_ParticleArrayCopy_hxx
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#define vtk_m_cont_ParticleArrayCopy_hxx
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#include <vtkm/cont/Invoker.h>
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#include <vtkm/cont/ParticleArrayCopy.h>
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#include <vtkm/worklet/WorkletMapField.h>
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namespace vtkm
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{
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namespace cont
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{
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namespace detail
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{
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struct CopyParticlePositionWorklet : public vtkm::worklet::WorkletMapField
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{
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using ControlSignature = void(FieldIn inParticle, FieldOut outPos);
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VTKM_EXEC void operator()(const vtkm::Particle& inParticle, vtkm::Vec3f& outPos) const
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{
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outPos = inParticle.Pos;
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}
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};
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struct CopyParticleAllWorklet : public vtkm::worklet::WorkletMapField
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{
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using ControlSignature = void(FieldIn inParticle,
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FieldOut outPos,
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FieldOut outID,
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FieldOut outSteps,
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FieldOut outStatus,
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FieldOut outTime);
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VTKM_EXEC void operator()(const vtkm::Particle& inParticle,
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vtkm::Vec3f& outPos,
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vtkm::Id& outID,
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vtkm::Id& outSteps,
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vtkm::ParticleStatus& outStatus,
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vtkm::FloatDefault& outTime) const
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{
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outPos = inParticle.Pos;
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outID = inParticle.ID;
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outSteps = inParticle.NumSteps;
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outStatus = inParticle.Status;
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outTime = inParticle.Time;
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}
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};
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} // namespace detail
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template <typename ParticleType>
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VTKM_ALWAYS_EXPORT inline void ParticleArrayCopy(
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const vtkm::cont::ArrayHandle<ParticleType, vtkm::cont::StorageTagBasic>& inP,
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vtkm::cont::ArrayHandle<vtkm::Vec3f, vtkm::cont::StorageTagBasic>& outPos)
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{
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vtkm::cont::Invoker invoke;
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detail::CopyParticlePositionWorklet worklet;
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invoke(worklet, inP, outPos);
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}
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/// \brief Copy all fields in vtkm::Particle to standard types.
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///
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/// Given an \c ArrayHandle of vtkm::Particle, this function copies the
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/// position, ID, number of steps, status and time into a separate
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/// \c ArrayHandle.
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///
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template <typename ParticleType>
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VTKM_ALWAYS_EXPORT inline void ParticleArrayCopy(
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const vtkm::cont::ArrayHandle<ParticleType, vtkm::cont::StorageTagBasic>& inP,
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vtkm::cont::ArrayHandle<vtkm::Vec3f, vtkm::cont::StorageTagBasic>& outPos,
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vtkm::cont::ArrayHandle<vtkm::Id, vtkm::cont::StorageTagBasic>& outID,
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vtkm::cont::ArrayHandle<vtkm::Id, vtkm::cont::StorageTagBasic>& outSteps,
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vtkm::cont::ArrayHandle<vtkm::ParticleStatus, vtkm::cont::StorageTagBasic>& outStatus,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault, vtkm::cont::StorageTagBasic>& outTime)
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{
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vtkm::cont::Invoker invoke;
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detail::CopyParticleAllWorklet worklet;
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invoke(worklet, inP, outPos, outID, outSteps, outStatus, outTime);
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}
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}
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} // namespace vtkm::cont
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#endif //vtk_m_cont_ParticleArrayCopy_hxx
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@ -19,14 +19,14 @@ void TestParticleArrayCopy()
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vtkm::FloatDefault x0(-1), x1(1);
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std::uniform_real_distribution<vtkm::FloatDefault> dist(x0, x1);
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std::vector<vtkm::Particle> particles;
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std::vector<vtkm::Massless> particles;
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vtkm::Id N = 17;
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for (vtkm::Id i = 0; i < N; i++)
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{
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auto x = dist(generator);
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auto y = dist(generator);
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auto z = dist(generator);
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particles.push_back(vtkm::Particle(vtkm::Vec3f(x, y, z), i));
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particles.push_back(vtkm::Massless(vtkm::Vec3f(x, y, z), i));
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}
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for (int i = 0; i < 2; i++)
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@ -37,7 +37,7 @@ void TestParticleArrayCopy()
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if (i == 0)
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{
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vtkm::cont::ArrayHandle<vtkm::Vec3f> pos;
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vtkm::cont::ParticleArrayCopy(particleAH, pos);
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vtkm::cont::ParticleArrayCopy<vtkm::Massless>(particleAH, pos);
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auto pPortal = particleAH.ReadPortal();
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for (vtkm::Id j = 0; j < N; j++)
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@ -54,7 +54,7 @@ void TestParticleArrayCopy()
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vtkm::cont::ArrayHandle<vtkm::ParticleStatus> status;
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> ptime;
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vtkm::cont::ParticleArrayCopy(particleAH, pos, ids, steps, status, ptime);
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vtkm::cont::ParticleArrayCopy<vtkm::Massless>(particleAH, pos, ids, steps, status, ptime);
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auto pPortal = particleAH.ReadPortal();
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for (vtkm::Id j = 0; j < N; j++)
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@ -23,6 +23,7 @@
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#include <vtkm/cont/ErrorFilterExecution.h>
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#include <vtkm/worklet/ParticleAdvection.h>
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#include <vtkm/worklet/WorkletMapField.h>
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#include <vtkm/worklet/particleadvection/Field.h>
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#include <vtkm/worklet/particleadvection/GridEvaluators.h>
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#include <vtkm/worklet/particleadvection/Integrators.h>
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#include <vtkm/worklet/particleadvection/Particles.h>
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@ -32,8 +33,8 @@
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#include <string.h>
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static vtkm::Id cycle = 0;
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static vtkm::cont::ArrayHandle<vtkm::Particle> BasisParticles;
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static vtkm::cont::ArrayHandle<vtkm::Particle> BasisParticlesOriginal;
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static vtkm::cont::ArrayHandle<vtkm::Massless> BasisParticles;
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static vtkm::cont::ArrayHandle<vtkm::Massless> BasisParticlesOriginal;
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static vtkm::cont::ArrayHandle<vtkm::Id> BasisParticlesValidity;
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namespace
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@ -51,7 +52,7 @@ public:
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}
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template <typename ValidityType>
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VTKM_EXEC void operator()(const vtkm::Particle& end_point, ValidityType& res) const
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VTKM_EXEC void operator()(const vtkm::Massless& end_point, ValidityType& res) const
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{
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vtkm::Id steps = end_point.NumSteps;
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if (steps > 0 && res == 1)
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@ -83,8 +84,8 @@ public:
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using InputDomain = _1;
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template <typename DisplacementType>
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VTKM_EXEC void operator()(const vtkm::Particle& end_point,
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const vtkm::Particle& start_point,
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VTKM_EXEC void operator()(const vtkm::Massless& end_point,
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const vtkm::Massless& start_point,
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DisplacementType& res) const
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{
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res[0] = end_point.Pos[0] - start_point.Pos[0];
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@ -193,7 +194,7 @@ inline void Lagrangian::InitializeSeedPositions(const vtkm::cont::DataSet& input
|
||||
{
|
||||
vtkm::FloatDefault xi = static_cast<vtkm::FloatDefault>(x * x_spacing);
|
||||
portal1.Set(id,
|
||||
vtkm::Particle(Vec3f(static_cast<vtkm::FloatDefault>(bounds.X.Min) + xi,
|
||||
vtkm::Massless(Vec3f(static_cast<vtkm::FloatDefault>(bounds.X.Min) + xi,
|
||||
static_cast<vtkm::FloatDefault>(bounds.Y.Min) + yi,
|
||||
static_cast<vtkm::FloatDefault>(bounds.Z.Min) + zi),
|
||||
id));
|
||||
@ -264,7 +265,7 @@ inline VTKM_CONT vtkm::cont::DataSet Lagrangian::DoExecute(
|
||||
throw vtkm::cont::ErrorFilterExecution(
|
||||
"Write frequency can not be 0. Use SetWriteFrequency().");
|
||||
}
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> basisParticleArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> basisParticleArray;
|
||||
vtkm::cont::ArrayCopy(BasisParticles, basisParticleArray);
|
||||
|
||||
cycle += 1;
|
||||
@ -274,12 +275,14 @@ inline VTKM_CONT vtkm::cont::DataSet Lagrangian::DoExecute(
|
||||
vtkm::Bounds bounds = input.GetCoordinateSystem().GetBounds();
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
vtkm::worklet::ParticleAdvection particleadvection;
|
||||
vtkm::worklet::ParticleAdvectionResult res;
|
||||
vtkm::worklet::ParticleAdvectionResult<vtkm::Massless> res;
|
||||
|
||||
GridEvalType gridEval(coords, cells, field);
|
||||
FieldType velocities(field);
|
||||
GridEvalType gridEval(coords, cells, velocities);
|
||||
RK4Type rk4(gridEval, static_cast<vtkm::Float32>(this->stepSize));
|
||||
|
||||
res = particleadvection.Run(rk4, basisParticleArray, 1); // Taking a single step
|
||||
|
@ -14,6 +14,7 @@
|
||||
#include <vtkm/cont/ArrayHandleIndex.h>
|
||||
#include <vtkm/cont/ErrorFilterExecution.h>
|
||||
#include <vtkm/cont/Invoker.h>
|
||||
#include <vtkm/worklet/particleadvection/Field.h>
|
||||
#include <vtkm/worklet/particleadvection/GridEvaluators.h>
|
||||
#include <vtkm/worklet/particleadvection/Integrators.h>
|
||||
#include <vtkm/worklet/particleadvection/Particles.h>
|
||||
@ -34,12 +35,28 @@ public:
|
||||
using ExecutionSignature = void(_1, _2);
|
||||
using InputDomain = _1;
|
||||
|
||||
VTKM_EXEC void operator()(const vtkm::Particle& particle, vtkm::Vec3f& pt) const
|
||||
VTKM_EXEC void operator()(const vtkm::Massless& particle, vtkm::Vec3f& pt) const
|
||||
{
|
||||
pt = particle.Pos;
|
||||
}
|
||||
};
|
||||
|
||||
class MakeParticles : public vtkm::worklet::WorkletMapField
|
||||
{
|
||||
public:
|
||||
using ControlSignature = void(FieldIn seed, FieldOut particle);
|
||||
using ExecutionSignature = void(WorkIndex, _1, _2);
|
||||
using InputDomain = _1;
|
||||
|
||||
VTKM_EXEC void operator()(const vtkm::Id index,
|
||||
const vtkm::Vec3f& seed,
|
||||
vtkm::Massless& particle) const
|
||||
{
|
||||
particle.ID = index;
|
||||
particle.Pos = seed;
|
||||
}
|
||||
};
|
||||
|
||||
} //detail
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
@ -66,7 +83,8 @@ inline VTKM_CONT vtkm::cont::DataSet LagrangianStructures::DoExecute(
|
||||
using Structured3DType = vtkm::cont::CellSetStructured<3>;
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>;
|
||||
using GridEvaluator = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvaluator = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using Integrator = vtkm::worklet::particleadvection::RK4Integrator<GridEvaluator>;
|
||||
|
||||
vtkm::FloatDefault stepSize = this->GetStepSize();
|
||||
@ -115,15 +133,16 @@ inline VTKM_CONT vtkm::cont::DataSet LagrangianStructures::DoExecute(
|
||||
}
|
||||
else
|
||||
{
|
||||
GridEvaluator evaluator(input.GetCoordinateSystem(), input.GetCellSet(), field);
|
||||
vtkm::cont::Invoker invoke;
|
||||
|
||||
FieldType velocities(field);
|
||||
GridEvaluator evaluator(input.GetCoordinateSystem(), input.GetCellSet(), velocities);
|
||||
Integrator integrator(evaluator, stepSize);
|
||||
vtkm::worklet::ParticleAdvection particles;
|
||||
vtkm::worklet::ParticleAdvectionResult advectionResult;
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> advectionPoints;
|
||||
vtkm::cont::ArrayCopy(lcsInputPoints, advectionPoints);
|
||||
vtkm::worklet::ParticleAdvectionResult<vtkm::Massless> advectionResult;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> advectionPoints;
|
||||
invoke(detail::MakeParticles{}, lcsInputPoints, advectionPoints);
|
||||
advectionResult = particles.Run(integrator, advectionPoints, numberOfSteps);
|
||||
|
||||
vtkm::cont::Invoker invoke;
|
||||
invoke(detail::ExtractParticlePosition{}, advectionResult.Particles, lcsOutputPoints);
|
||||
}
|
||||
// FTLE output field
|
||||
|
@ -39,7 +39,7 @@ public:
|
||||
void SetNumberOfSteps(vtkm::Id n) { this->NumberOfSteps = n; }
|
||||
|
||||
VTKM_CONT
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Particle>& seeds);
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Massless>& seeds);
|
||||
|
||||
template <typename T, typename StorageType, typename DerivedPolicy>
|
||||
VTKM_CONT vtkm::cont::DataSet DoExecute(
|
||||
@ -56,7 +56,7 @@ public:
|
||||
private:
|
||||
vtkm::Id NumberOfSteps;
|
||||
vtkm::FloatDefault StepSize;
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> Seeds;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> Seeds;
|
||||
vtkm::worklet::ParticleAdvection Worklet;
|
||||
};
|
||||
}
|
||||
|
@ -34,7 +34,7 @@ inline VTKM_CONT ParticleAdvection::ParticleAdvection()
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
inline VTKM_CONT void ParticleAdvection::SetSeeds(vtkm::cont::ArrayHandle<vtkm::Particle>& seeds)
|
||||
inline VTKM_CONT void ParticleAdvection::SetSeeds(vtkm::cont::ArrayHandle<vtkm::Massless>& seeds)
|
||||
{
|
||||
this->Seeds = seeds;
|
||||
}
|
||||
@ -63,15 +63,16 @@ inline VTKM_CONT vtkm::cont::DataSet ParticleAdvection::DoExecute(
|
||||
}
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
|
||||
GridEvalType eval(coords, cells, field);
|
||||
RK4Type rk4(eval, this->StepSize);
|
||||
|
||||
vtkm::worklet::ParticleAdvectionResult res;
|
||||
vtkm::worklet::ParticleAdvectionResult<vtkm::Massless> res;
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
vtkm::cont::ArrayCopy(this->Seeds, seedArray);
|
||||
res = this->Worklet.Run(rk4, seedArray, this->NumberOfSteps);
|
||||
|
||||
@ -79,7 +80,7 @@ inline VTKM_CONT vtkm::cont::DataSet ParticleAdvection::DoExecute(
|
||||
|
||||
//Copy particles to coordinate array
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> outPos;
|
||||
vtkm::cont::ParticleArrayCopy(res.Particles, outPos);
|
||||
vtkm::cont::ParticleArrayCopy<vtkm::Massless>(res.Particles, outPos);
|
||||
|
||||
vtkm::cont::CoordinateSystem outCoords("coordinates", outPos);
|
||||
outData.AddCoordinateSystem(outCoords);
|
||||
|
@ -47,7 +47,7 @@ public:
|
||||
void SetNumberOfSteps(vtkm::Id n) { this->NumberOfSteps = n; }
|
||||
|
||||
VTKM_CONT
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Particle>& seeds);
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Massless>& seeds);
|
||||
|
||||
template <typename T, typename StorageType, typename DerivedPolicy>
|
||||
VTKM_CONT vtkm::cont::DataSet DoExecute(
|
||||
@ -68,7 +68,7 @@ private:
|
||||
vtkm::FloatDefault NextTime;
|
||||
vtkm::cont::DataSet NextDataSet;
|
||||
vtkm::Id NumberOfSteps;
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> Seeds;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> Seeds;
|
||||
};
|
||||
}
|
||||
} // namespace vtkm::filter
|
||||
|
@ -14,6 +14,7 @@
|
||||
#include <vtkm/cont/ArrayCopy.h>
|
||||
#include <vtkm/cont/ArrayHandleIndex.h>
|
||||
#include <vtkm/cont/ErrorFilterExecution.h>
|
||||
#include <vtkm/worklet/particleadvection/Field.h>
|
||||
#include <vtkm/worklet/particleadvection/GridEvaluators.h>
|
||||
#include <vtkm/worklet/particleadvection/Integrators.h>
|
||||
#include <vtkm/worklet/particleadvection/Particles.h>
|
||||
@ -32,7 +33,7 @@ inline VTKM_CONT Pathline::Pathline()
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
inline VTKM_CONT void Pathline::SetSeeds(vtkm::cont::ArrayHandle<vtkm::Particle>& seeds)
|
||||
inline VTKM_CONT void Pathline::SetSeeds(vtkm::cont::ArrayHandle<vtkm::Massless>& seeds)
|
||||
{
|
||||
this->Seeds = seeds;
|
||||
}
|
||||
@ -67,17 +68,20 @@ inline VTKM_CONT vtkm::cont::DataSet Pathline::DoExecute(
|
||||
}
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::TemporalGridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::TemporalGridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
|
||||
FieldType velocities(field);
|
||||
FieldType velocities2(field2);
|
||||
GridEvalType eval(
|
||||
coords, cells, field, this->PreviousTime, coords2, cells2, field2, this->NextTime);
|
||||
coords, cells, velocities, this->PreviousTime, coords2, cells2, velocities2, this->NextTime);
|
||||
RK4Type rk4(eval, this->StepSize);
|
||||
|
||||
vtkm::worklet::Streamline streamline;
|
||||
vtkm::worklet::StreamlineResult res;
|
||||
vtkm::worklet::StreamlineResult<vtkm::Massless> res;
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
vtkm::cont::ArrayCopy(this->Seeds, seedArray);
|
||||
res = Worklet.Run(rk4, seedArray, this->NumberOfSteps);
|
||||
|
||||
|
@ -40,7 +40,7 @@ public:
|
||||
void SetNumberOfSteps(vtkm::Id n) { this->NumberOfSteps = n; }
|
||||
|
||||
VTKM_CONT
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Particle>& seeds) { this->Seeds = seeds; }
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Massless>& seeds) { this->Seeds = seeds; }
|
||||
|
||||
template <typename T, typename StorageType, typename DerivedPolicy>
|
||||
VTKM_CONT vtkm::cont::DataSet DoExecute(
|
||||
@ -56,7 +56,7 @@ public:
|
||||
|
||||
private:
|
||||
vtkm::Id NumberOfSteps;
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> Seeds;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> Seeds;
|
||||
vtkm::FloatDefault StepSize;
|
||||
vtkm::worklet::StreamSurface Worklet;
|
||||
};
|
||||
|
@ -17,6 +17,7 @@
|
||||
#include <vtkm/cont/ArrayHandleIndex.h>
|
||||
#include <vtkm/cont/ErrorFilterExecution.h>
|
||||
#include <vtkm/worklet/ParticleAdvection.h>
|
||||
#include <vtkm/worklet/particleadvection/Field.h>
|
||||
#include <vtkm/worklet/particleadvection/GridEvaluators.h>
|
||||
#include <vtkm/worklet/particleadvection/Integrators.h>
|
||||
#include <vtkm/worklet/particleadvection/Particles.h>
|
||||
@ -53,16 +54,18 @@ inline VTKM_CONT vtkm::cont::DataSet StreamSurface::DoExecute(
|
||||
throw vtkm::cont::ErrorFilterExecution("Point field expected.");
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
|
||||
//compute streamlines
|
||||
GridEvalType eval(coords, cells, field);
|
||||
FieldType velocities(field);
|
||||
GridEvalType eval(coords, cells, velocities);
|
||||
RK4Type rk4(eval, this->StepSize);
|
||||
|
||||
vtkm::worklet::Streamline streamline;
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
vtkm::cont::ArrayCopy(this->Seeds, seedArray);
|
||||
auto res = streamline.Run(rk4, seedArray, this->NumberOfSteps);
|
||||
|
||||
|
@ -39,7 +39,7 @@ public:
|
||||
void SetNumberOfSteps(vtkm::Id n) { this->NumberOfSteps = n; }
|
||||
|
||||
VTKM_CONT
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Particle>& seeds);
|
||||
void SetSeeds(vtkm::cont::ArrayHandle<vtkm::Massless>& seeds);
|
||||
|
||||
template <typename T, typename StorageType, typename DerivedPolicy>
|
||||
VTKM_CONT vtkm::cont::DataSet DoExecute(
|
||||
@ -56,7 +56,7 @@ public:
|
||||
private:
|
||||
vtkm::Id NumberOfSteps;
|
||||
vtkm::FloatDefault StepSize;
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> Seeds;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> Seeds;
|
||||
vtkm::worklet::Streamline Worklet;
|
||||
};
|
||||
}
|
||||
|
@ -15,6 +15,7 @@
|
||||
#include <vtkm/cont/ArrayCopy.h>
|
||||
#include <vtkm/cont/ArrayHandleIndex.h>
|
||||
#include <vtkm/cont/ErrorFilterExecution.h>
|
||||
#include <vtkm/worklet/particleadvection/Field.h>
|
||||
#include <vtkm/worklet/particleadvection/GridEvaluators.h>
|
||||
#include <vtkm/worklet/particleadvection/Integrators.h>
|
||||
#include <vtkm/worklet/particleadvection/Particles.h>
|
||||
@ -32,7 +33,7 @@ inline VTKM_CONT Streamline::Streamline()
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
inline VTKM_CONT void Streamline::SetSeeds(vtkm::cont::ArrayHandle<vtkm::Particle>& seeds)
|
||||
inline VTKM_CONT void Streamline::SetSeeds(vtkm::cont::ArrayHandle<vtkm::Massless>& seeds)
|
||||
{
|
||||
this->Seeds = seeds;
|
||||
}
|
||||
@ -61,15 +62,17 @@ inline VTKM_CONT vtkm::cont::DataSet Streamline::DoExecute(
|
||||
}
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
|
||||
GridEvalType eval(coords, cells, field);
|
||||
FieldType velocities(field);
|
||||
GridEvalType eval(coords, cells, velocities);
|
||||
RK4Type rk4(eval, this->StepSize);
|
||||
|
||||
vtkm::worklet::StreamlineResult res;
|
||||
vtkm::worklet::StreamlineResult<vtkm::Massless> res;
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
vtkm::cont::ArrayCopy(this->Seeds, seedArray);
|
||||
res = this->Worklet.Run(rk4, seedArray, this->NumberOfSteps);
|
||||
|
||||
|
@ -37,11 +37,11 @@ void TestBasic()
|
||||
const vtkm::Vec3f vecX(1, 0, 0);
|
||||
|
||||
vtkm::cont::DataSet ds = CreateDataSet(dims, vecX);
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
std::vector<vtkm::Particle> seeds(3);
|
||||
seeds[0] = vtkm::Particle(vtkm::Vec3f(.2f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Particle(vtkm::Vec3f(.2f, 2.0f, .2f), 1);
|
||||
seeds[2] = vtkm::Particle(vtkm::Vec3f(.2f, 3.0f, .2f), 2);
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
std::vector<vtkm::Massless> seeds(3);
|
||||
seeds[0] = vtkm::Massless(vtkm::Vec3f(.2f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Massless(vtkm::Vec3f(.2f, 2.0f, .2f), 1);
|
||||
seeds[2] = vtkm::Massless(vtkm::Vec3f(.2f, 3.0f, .2f), 2);
|
||||
|
||||
seedArray = vtkm::cont::make_ArrayHandle(seeds);
|
||||
|
||||
@ -88,9 +88,9 @@ void TestFile(const std::string& fname,
|
||||
}
|
||||
vtkm::Id numPoints = static_cast<vtkm::Id>(pts.size());
|
||||
|
||||
std::vector<vtkm::Particle> seeds;
|
||||
std::vector<vtkm::Massless> seeds;
|
||||
for (vtkm::Id i = 0; i < numPoints; i++)
|
||||
seeds.push_back(vtkm::Particle(pts[static_cast<std::size_t>(i)], i));
|
||||
seeds.push_back(vtkm::Massless(pts[static_cast<std::size_t>(i)], i));
|
||||
auto seedArray = vtkm::cont::make_ArrayHandle(seeds);
|
||||
|
||||
vtkm::filter::ParticleAdvection particleAdvection;
|
||||
|
@ -38,12 +38,12 @@ void TestStreamSurface()
|
||||
const vtkm::Vec3f vecX(1, 0, 0);
|
||||
|
||||
vtkm::cont::DataSet ds = CreateDataSet(dims, vecX);
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
std::vector<vtkm::Particle> seeds(4);
|
||||
seeds[0] = vtkm::Particle(vtkm::Vec3f(.1f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Particle(vtkm::Vec3f(.1f, 2.0f, .1f), 1);
|
||||
seeds[2] = vtkm::Particle(vtkm::Vec3f(.1f, 3.0f, .3f), 2);
|
||||
seeds[3] = vtkm::Particle(vtkm::Vec3f(.1f, 3.5f, .2f), 3);
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
std::vector<vtkm::Massless> seeds(4);
|
||||
seeds[0] = vtkm::Massless(vtkm::Vec3f(.1f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Massless(vtkm::Vec3f(.1f, 2.0f, .1f), 1);
|
||||
seeds[2] = vtkm::Massless(vtkm::Vec3f(.1f, 3.0f, .3f), 2);
|
||||
seeds[3] = vtkm::Massless(vtkm::Vec3f(.1f, 3.5f, .2f), 3);
|
||||
|
||||
seedArray = vtkm::cont::make_ArrayHandle(seeds);
|
||||
|
||||
|
@ -38,11 +38,11 @@ void TestStreamline()
|
||||
const vtkm::Vec3f vecX(1, 0, 0);
|
||||
|
||||
vtkm::cont::DataSet ds = CreateDataSet(dims, vecX);
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
std::vector<vtkm::Particle> seeds(3);
|
||||
seeds[0] = vtkm::Particle(vtkm::Vec3f(.2f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Particle(vtkm::Vec3f(.2f, 2.0f, .2f), 1);
|
||||
seeds[2] = vtkm::Particle(vtkm::Vec3f(.2f, 3.0f, .2f), 2);
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
std::vector<vtkm::Massless> seeds(3);
|
||||
seeds[0] = vtkm::Massless(vtkm::Vec3f(.2f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Massless(vtkm::Vec3f(.2f, 2.0f, .2f), 1);
|
||||
seeds[2] = vtkm::Massless(vtkm::Vec3f(.2f, 3.0f, .2f), 2);
|
||||
|
||||
seedArray = vtkm::cont::make_ArrayHandle(seeds);
|
||||
|
||||
@ -75,11 +75,11 @@ void TestPathline()
|
||||
vtkm::cont::DataSet ds1 = CreateDataSet(dims, vecX);
|
||||
vtkm::cont::DataSet ds2 = CreateDataSet(dims, vecY);
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> seedArray;
|
||||
std::vector<vtkm::Particle> seeds(3);
|
||||
seeds[0] = vtkm::Particle(vtkm::Vec3f(.2f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Particle(vtkm::Vec3f(.2f, 2.0f, .2f), 1);
|
||||
seeds[2] = vtkm::Particle(vtkm::Vec3f(.2f, 3.0f, .2f), 2);
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> seedArray;
|
||||
std::vector<vtkm::Massless> seeds(3);
|
||||
seeds[0] = vtkm::Massless(vtkm::Vec3f(.2f, 1.0f, .2f), 0);
|
||||
seeds[1] = vtkm::Massless(vtkm::Vec3f(.2f, 2.0f, .2f), 1);
|
||||
seeds[2] = vtkm::Massless(vtkm::Vec3f(.2f, 3.0f, .2f), 2);
|
||||
|
||||
seedArray = vtkm::cont::make_ArrayHandle(seeds);
|
||||
|
||||
@ -126,9 +126,9 @@ void TestStreamlineFile(const std::string& fname,
|
||||
}
|
||||
vtkm::Id numPoints = static_cast<vtkm::Id>(pts.size());
|
||||
|
||||
std::vector<vtkm::Particle> seeds;
|
||||
std::vector<vtkm::Massless> seeds;
|
||||
for (vtkm::Id i = 0; i < numPoints; i++)
|
||||
seeds.push_back(vtkm::Particle(pts[static_cast<std::size_t>(i)], i));
|
||||
seeds.push_back(vtkm::Massless(pts[static_cast<std::size_t>(i)], i));
|
||||
auto seedArray = vtkm::cont::make_ArrayHandle(seeds);
|
||||
|
||||
vtkm::filter::Streamline streamline;
|
||||
|
@ -48,6 +48,7 @@ public:
|
||||
|
||||
} //detail
|
||||
|
||||
template <typename ParticleType>
|
||||
struct ParticleAdvectionResult
|
||||
{
|
||||
ParticleAdvectionResult()
|
||||
@ -55,12 +56,12 @@ struct ParticleAdvectionResult
|
||||
{
|
||||
}
|
||||
|
||||
ParticleAdvectionResult(const vtkm::cont::ArrayHandle<vtkm::Particle>& p)
|
||||
ParticleAdvectionResult(const vtkm::cont::ArrayHandle<ParticleType>& p)
|
||||
: Particles(p)
|
||||
{
|
||||
}
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> Particles;
|
||||
vtkm::cont::ArrayHandle<ParticleType> Particles;
|
||||
};
|
||||
|
||||
class ParticleAdvection
|
||||
@ -68,25 +69,29 @@ class ParticleAdvection
|
||||
public:
|
||||
ParticleAdvection() {}
|
||||
|
||||
template <typename IntegratorType, typename ParticleStorage>
|
||||
ParticleAdvectionResult Run(const IntegratorType& it,
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle, ParticleStorage>& particles,
|
||||
template <typename IntegratorType, typename ParticleType, typename ParticleStorage>
|
||||
ParticleAdvectionResult<ParticleType> Run(
|
||||
const IntegratorType& it,
|
||||
vtkm::cont::ArrayHandle<ParticleType, ParticleStorage>& particles,
|
||||
vtkm::Id MaxSteps)
|
||||
{
|
||||
vtkm::worklet::particleadvection::ParticleAdvectionWorklet<IntegratorType> worklet;
|
||||
vtkm::worklet::particleadvection::ParticleAdvectionWorklet<IntegratorType, ParticleType>
|
||||
worklet;
|
||||
|
||||
worklet.Run(it, particles, MaxSteps);
|
||||
return ParticleAdvectionResult(particles);
|
||||
return ParticleAdvectionResult<ParticleType>(particles);
|
||||
}
|
||||
|
||||
template <typename IntegratorType, typename PointStorage>
|
||||
ParticleAdvectionResult Run(const IntegratorType& it,
|
||||
template <typename IntegratorType, typename ParticleType, typename PointStorage>
|
||||
ParticleAdvectionResult<ParticleType> Run(
|
||||
const IntegratorType& it,
|
||||
const vtkm::cont::ArrayHandle<vtkm::Vec3f, PointStorage>& points,
|
||||
vtkm::Id MaxSteps)
|
||||
{
|
||||
vtkm::worklet::particleadvection::ParticleAdvectionWorklet<IntegratorType> worklet;
|
||||
vtkm::worklet::particleadvection::ParticleAdvectionWorklet<IntegratorType, ParticleType>
|
||||
worklet;
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> particles;
|
||||
vtkm::cont::ArrayHandle<ParticleType> particles;
|
||||
vtkm::cont::ArrayHandle<vtkm::Id> step, ids;
|
||||
vtkm::cont::ArrayHandle<vtkm::FloatDefault> time;
|
||||
vtkm::cont::Invoker invoke;
|
||||
@ -103,10 +108,11 @@ public:
|
||||
invoke(detail::CopyToParticle{}, points, ids, time, step, particles);
|
||||
|
||||
worklet.Run(it, particles, MaxSteps);
|
||||
return ParticleAdvectionResult(particles);
|
||||
return ParticleAdvectionResult<ParticleType>(particles);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename ParticleType>
|
||||
struct StreamlineResult
|
||||
{
|
||||
StreamlineResult()
|
||||
@ -116,7 +122,7 @@ struct StreamlineResult
|
||||
{
|
||||
}
|
||||
|
||||
StreamlineResult(const vtkm::cont::ArrayHandle<vtkm::Particle>& part,
|
||||
StreamlineResult(const vtkm::cont::ArrayHandle<ParticleType>& part,
|
||||
const vtkm::cont::ArrayHandle<vtkm::Vec3f>& pos,
|
||||
const vtkm::cont::CellSetExplicit<>& lines)
|
||||
: Particles(part)
|
||||
@ -125,7 +131,7 @@ struct StreamlineResult
|
||||
{
|
||||
}
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> Particles;
|
||||
vtkm::cont::ArrayHandle<ParticleType> Particles;
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> Positions;
|
||||
vtkm::cont::CellSetExplicit<> PolyLines;
|
||||
};
|
||||
@ -135,19 +141,20 @@ class Streamline
|
||||
public:
|
||||
Streamline() {}
|
||||
|
||||
template <typename IntegratorType, typename ParticleStorage>
|
||||
StreamlineResult Run(const IntegratorType& it,
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle, ParticleStorage>& particles,
|
||||
template <typename IntegratorType, typename ParticleType, typename ParticleStorage>
|
||||
StreamlineResult<ParticleType> Run(
|
||||
const IntegratorType& it,
|
||||
vtkm::cont::ArrayHandle<ParticleType, ParticleStorage>& particles,
|
||||
vtkm::Id MaxSteps)
|
||||
{
|
||||
vtkm::worklet::particleadvection::StreamlineWorklet<IntegratorType> worklet;
|
||||
vtkm::worklet::particleadvection::StreamlineWorklet<IntegratorType, ParticleType> worklet;
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> positions;
|
||||
vtkm::cont::CellSetExplicit<> polyLines;
|
||||
|
||||
worklet.Run(it, particles, MaxSteps, positions, polyLines);
|
||||
|
||||
return StreamlineResult(particles, positions, polyLines);
|
||||
return StreamlineResult<ParticleType>(particles, positions, polyLines);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
@ -10,6 +10,7 @@
|
||||
|
||||
set(headers
|
||||
CellInterpolationHelper.h
|
||||
Field.h
|
||||
GridEvaluators.h
|
||||
GridEvaluatorStatus.h
|
||||
Integrators.h
|
||||
|
220
vtkm/worklet/particleadvection/Field.h
Normal file
220
vtkm/worklet/particleadvection/Field.h
Normal file
@ -0,0 +1,220 @@
|
||||
//============================================================================
|
||||
// Copyright (c) Kitware, Inc.
|
||||
// All rights reserved.
|
||||
// See LICENSE.txt for details.
|
||||
//
|
||||
// This software is distributed WITHOUT ANY WARRANTY; without even
|
||||
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
||||
// PURPOSE. See the above copyright notice for more information.
|
||||
//============================================================================
|
||||
|
||||
#ifndef vtkm_woklet_particleadvection_field_h
|
||||
#define vtkm_woklet_particleadvection_field_h
|
||||
|
||||
#include <vtkm/Types.h>
|
||||
|
||||
#include <vtkm/cont/ArrayHandle.h>
|
||||
#include <vtkm/cont/ExecutionObjectBase.h>
|
||||
#include <vtkm/exec/CellInterpolate.h>
|
||||
|
||||
namespace vtkm
|
||||
{
|
||||
namespace worklet
|
||||
{
|
||||
namespace particleadvection
|
||||
{
|
||||
|
||||
class ExecutionField : public vtkm::VirtualObjectBase
|
||||
{
|
||||
public:
|
||||
VTKM_EXEC_CONT
|
||||
virtual ~ExecutionField() noexcept override {}
|
||||
|
||||
VTKM_EXEC
|
||||
virtual void GetValue(const vtkm::VecVariable<vtkm::Id, 8>& indices,
|
||||
const vtkm::Id vertices,
|
||||
const vtkm::Vec3f& parametric,
|
||||
const vtkm::UInt8 cellShape,
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2>& value) const = 0;
|
||||
};
|
||||
|
||||
template <typename DeviceAdapter, typename FieldArrayType>
|
||||
class ExecutionVelocityField : public vtkm::worklet::particleadvection::ExecutionField
|
||||
{
|
||||
public:
|
||||
using FieldPortalType =
|
||||
typename FieldArrayType::template ExecutionTypes<DeviceAdapter>::PortalConst;
|
||||
|
||||
VTKM_CONT
|
||||
ExecutionVelocityField(FieldArrayType velocityValues, vtkm::cont::Token& token)
|
||||
: VelocityValues(velocityValues.PrepareForInput(DeviceAdapter(), token))
|
||||
{
|
||||
}
|
||||
|
||||
VTKM_EXEC void GetValue(const vtkm::VecVariable<vtkm::Id, 8>& indices,
|
||||
const vtkm::Id vertices,
|
||||
const vtkm::Vec3f& parametric,
|
||||
const vtkm::UInt8 cellShape,
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2>& value) const
|
||||
{
|
||||
vtkm::Vec3f velocityInterp;
|
||||
vtkm::VecVariable<vtkm::Vec3f, 8> velocities;
|
||||
for (vtkm::IdComponent i = 0; i < vertices; i++)
|
||||
velocities.Append(VelocityValues.Get(indices[i]));
|
||||
vtkm::exec::CellInterpolate(velocities, parametric, cellShape, velocityInterp);
|
||||
value = vtkm::make_Vec(velocityInterp);
|
||||
}
|
||||
|
||||
private:
|
||||
FieldPortalType VelocityValues;
|
||||
};
|
||||
|
||||
template <typename DeviceAdapter, typename FieldArrayType>
|
||||
class ExecutionElectroMagneticField : public vtkm::worklet::particleadvection::ExecutionField
|
||||
{
|
||||
public:
|
||||
using FieldPortalType =
|
||||
typename FieldArrayType::template ExecutionTypes<DeviceAdapter>::PortalConst;
|
||||
|
||||
VTKM_CONT
|
||||
ExecutionElectroMagneticField(FieldArrayType electricValues,
|
||||
FieldArrayType magneticValues,
|
||||
vtkm::cont::Token& token)
|
||||
: ElectricValues(electricValues.PrepareForInput(DeviceAdapter(), token))
|
||||
, MagneticValues(magneticValues.PrepareForInput(DeviceAdapter(), token))
|
||||
{
|
||||
}
|
||||
|
||||
VTKM_EXEC void GetValue(const vtkm::VecVariable<vtkm::Id, 8>& indices,
|
||||
const vtkm::Id vertices,
|
||||
const vtkm::Vec3f& parametric,
|
||||
const vtkm::UInt8 cellShape,
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2>& value) const
|
||||
{
|
||||
vtkm::Vec3f electricInterp, magneticInterp;
|
||||
vtkm::VecVariable<vtkm::Vec3f, 8> electric;
|
||||
vtkm::VecVariable<vtkm::Vec3f, 8> magnetic;
|
||||
for (vtkm::IdComponent i = 0; i < vertices; i++)
|
||||
{
|
||||
electric.Append(ElectricValues.Get(indices[i]));
|
||||
magnetic.Append(MagneticValues.Get(indices[i]));
|
||||
}
|
||||
vtkm::exec::CellInterpolate(electric, parametric, cellShape, electricInterp);
|
||||
vtkm::exec::CellInterpolate(magnetic, parametric, cellShape, magneticInterp);
|
||||
value = vtkm::make_Vec(electricInterp, magneticInterp);
|
||||
}
|
||||
|
||||
private:
|
||||
FieldPortalType ElectricValues;
|
||||
FieldPortalType MagneticValues;
|
||||
};
|
||||
|
||||
class Field : public vtkm::cont::ExecutionObjectBase
|
||||
{
|
||||
public:
|
||||
using HandleType = vtkm::cont::VirtualObjectHandle<ExecutionField>;
|
||||
|
||||
virtual ~Field() = default;
|
||||
|
||||
VTKM_CONT
|
||||
virtual const ExecutionField* PrepareForExecution(vtkm::cont::DeviceAdapterId deviceId,
|
||||
vtkm::cont::Token& token) const = 0;
|
||||
};
|
||||
|
||||
template <typename FieldArrayType>
|
||||
class VelocityField : public vtkm::worklet::particleadvection::Field
|
||||
{
|
||||
public:
|
||||
VTKM_CONT
|
||||
VelocityField(const FieldArrayType& fieldValues)
|
||||
: FieldValues(fieldValues)
|
||||
{
|
||||
}
|
||||
|
||||
struct VelocityFieldFunctor
|
||||
{
|
||||
template <typename DeviceAdapter>
|
||||
VTKM_CONT bool operator()(DeviceAdapter,
|
||||
FieldArrayType fieldValues,
|
||||
HandleType& execHandle,
|
||||
vtkm::cont::Token& token) const
|
||||
{
|
||||
using ExecutionType = ExecutionVelocityField<DeviceAdapter, FieldArrayType>;
|
||||
ExecutionType* execObject = new ExecutionType(fieldValues, token);
|
||||
execHandle.Reset(execObject);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
VTKM_CONT
|
||||
const ExecutionField* PrepareForExecution(vtkm::cont::DeviceAdapterId deviceId,
|
||||
vtkm::cont::Token& token) const override
|
||||
{
|
||||
const bool success = vtkm::cont::TryExecuteOnDevice(
|
||||
deviceId, VelocityFieldFunctor(), this->FieldValues, this->ExecHandle, token);
|
||||
if (!success)
|
||||
{
|
||||
throwFailedRuntimeDeviceTransfer("SingleCellTypeInterpolationHelper", deviceId);
|
||||
}
|
||||
return this->ExecHandle.PrepareForExecution(deviceId, token);
|
||||
}
|
||||
|
||||
private:
|
||||
FieldArrayType FieldValues;
|
||||
mutable HandleType ExecHandle;
|
||||
};
|
||||
|
||||
template <typename FieldArrayType>
|
||||
class ElectroMagneticField : public vtkm::worklet::particleadvection::Field
|
||||
{
|
||||
public:
|
||||
VTKM_CONT
|
||||
ElectroMagneticField(const FieldArrayType& electricField, const FieldArrayType& magneticField)
|
||||
: ElectricField(electricField)
|
||||
, MagneticField(magneticField)
|
||||
{
|
||||
}
|
||||
|
||||
struct ElectroMagneticFieldFunctor
|
||||
{
|
||||
template <typename DeviceAdapter>
|
||||
VTKM_CONT bool operator()(DeviceAdapter,
|
||||
FieldArrayType electricField,
|
||||
FieldArrayType magneticField,
|
||||
HandleType& execHandle,
|
||||
vtkm::cont::Token& token) const
|
||||
{
|
||||
using ExecutionType = ExecutionElectroMagneticField<DeviceAdapter, FieldArrayType>;
|
||||
ExecutionType* execObject = new ExecutionType(electricField, magneticField, token);
|
||||
execHandle.Reset(execObject);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
VTKM_CONT
|
||||
const ExecutionField* PrepareForExecution(vtkm::cont::DeviceAdapterId deviceId,
|
||||
vtkm::cont::Token& token) const override
|
||||
{
|
||||
const bool success = vtkm::cont::TryExecuteOnDevice(deviceId,
|
||||
ElectroMagneticFieldFunctor(),
|
||||
this->ElectricField,
|
||||
this->MagneticField,
|
||||
this->ExecHandle,
|
||||
token);
|
||||
if (!success)
|
||||
{
|
||||
throwFailedRuntimeDeviceTransfer("SingleCellTypeInterpolationHelper", deviceId);
|
||||
}
|
||||
return this->ExecHandle.PrepareForExecution(deviceId, token);
|
||||
}
|
||||
|
||||
private:
|
||||
FieldArrayType ElectricField;
|
||||
FieldArrayType MagneticField;
|
||||
mutable HandleType ExecHandle;
|
||||
};
|
||||
|
||||
} // namespace particleadvection
|
||||
} // namespace worklet
|
||||
} // namespace
|
||||
#endif //vtkm_woklet_particleadvection_field_h
|
@ -24,6 +24,7 @@
|
||||
#include <vtkm/cont/DeviceAdapter.h>
|
||||
|
||||
#include <vtkm/worklet/particleadvection/CellInterpolationHelper.h>
|
||||
#include <vtkm/worklet/particleadvection/Field.h>
|
||||
#include <vtkm/worklet/particleadvection/GridEvaluatorStatus.h>
|
||||
#include <vtkm/worklet/particleadvection/Integrators.h>
|
||||
|
||||
@ -34,12 +35,9 @@ namespace worklet
|
||||
namespace particleadvection
|
||||
{
|
||||
|
||||
template <typename DeviceAdapter, typename FieldArrayType>
|
||||
template <typename DeviceAdapter, typename FieldType>
|
||||
class ExecutionGridEvaluator
|
||||
{
|
||||
using FieldPortalType =
|
||||
typename FieldArrayType::template ExecutionTypes<DeviceAdapter>::PortalConst;
|
||||
|
||||
public:
|
||||
VTKM_CONT
|
||||
ExecutionGridEvaluator() = default;
|
||||
@ -48,13 +46,13 @@ public:
|
||||
ExecutionGridEvaluator(std::shared_ptr<vtkm::cont::CellLocator> locator,
|
||||
std::shared_ptr<vtkm::cont::CellInterpolationHelper> interpolationHelper,
|
||||
const vtkm::Bounds& bounds,
|
||||
const FieldArrayType& field,
|
||||
const FieldType& field,
|
||||
vtkm::cont::Token& token)
|
||||
: Bounds(bounds)
|
||||
, Field(field.PrepareForInput(DeviceAdapter(), token))
|
||||
{
|
||||
Locator = locator->PrepareForExecution(DeviceAdapter(), token);
|
||||
InterpolationHelper = interpolationHelper->PrepareForExecution(DeviceAdapter(), token);
|
||||
Field = field.PrepareForExecution(DeviceAdapter(), token);
|
||||
}
|
||||
|
||||
template <typename Point>
|
||||
@ -84,13 +82,13 @@ public:
|
||||
template <typename Point>
|
||||
VTKM_EXEC GridEvaluatorStatus Evaluate(const Point& pos,
|
||||
vtkm::FloatDefault vtkmNotUsed(time),
|
||||
Point& out) const
|
||||
vtkm::VecVariable<Point, 2>& out) const
|
||||
{
|
||||
return this->Evaluate(pos, out);
|
||||
}
|
||||
|
||||
template <typename Point>
|
||||
VTKM_EXEC GridEvaluatorStatus Evaluate(const Point& point, Point& out) const
|
||||
VTKM_EXEC GridEvaluatorStatus Evaluate(const Point& point, vtkm::VecVariable<Point, 2>& out) const
|
||||
{
|
||||
vtkm::Id cellId;
|
||||
Point parametric;
|
||||
@ -110,10 +108,11 @@ public:
|
||||
vtkm::VecVariable<vtkm::Vec3f, 8> fieldValues;
|
||||
InterpolationHelper->GetCellInfo(cellId, cellShape, nVerts, ptIndices);
|
||||
|
||||
for (vtkm::IdComponent i = 0; i < nVerts; i++)
|
||||
fieldValues.Append(Field.Get(ptIndices[i]));
|
||||
this->Field->GetValue(ptIndices, nVerts, parametric, cellShape, out);
|
||||
//for (vtkm::IdComponent i = 0; i < nVerts; i++)
|
||||
// fieldValues.Append(Field->GetValue(ptIndices[i]));
|
||||
|
||||
vtkm::exec::CellInterpolate(fieldValues, parametric, cellShape, out);
|
||||
//vtkm::exec::CellInterpolate(fieldValues, parametric, cellShape, out);
|
||||
|
||||
status.SetOk();
|
||||
return status;
|
||||
@ -122,11 +121,11 @@ public:
|
||||
private:
|
||||
const vtkm::exec::CellLocator* Locator;
|
||||
const vtkm::exec::CellInterpolationHelper* InterpolationHelper;
|
||||
const vtkm::worklet::particleadvection::ExecutionField* Field;
|
||||
vtkm::Bounds Bounds;
|
||||
FieldPortalType Field;
|
||||
};
|
||||
|
||||
template <typename FieldArrayType>
|
||||
template <typename FieldType>
|
||||
class GridEvaluator : public vtkm::cont::ExecutionObjectBase
|
||||
{
|
||||
public:
|
||||
@ -143,8 +142,8 @@ public:
|
||||
VTKM_CONT
|
||||
GridEvaluator(const vtkm::cont::CoordinateSystem& coordinates,
|
||||
const vtkm::cont::DynamicCellSet& cellset,
|
||||
const FieldArrayType& field)
|
||||
: Vectors(field)
|
||||
const FieldType& field)
|
||||
: Field(field)
|
||||
, Bounds(coordinates.GetBounds())
|
||||
{
|
||||
if (cellset.IsSameType(Structured2DType()) || cellset.IsSameType(Structured3DType()))
|
||||
@ -205,18 +204,18 @@ public:
|
||||
}
|
||||
|
||||
template <typename DeviceAdapter>
|
||||
VTKM_CONT ExecutionGridEvaluator<DeviceAdapter, FieldArrayType> PrepareForExecution(
|
||||
VTKM_CONT ExecutionGridEvaluator<DeviceAdapter, FieldType> PrepareForExecution(
|
||||
DeviceAdapter,
|
||||
vtkm::cont::Token& token) const
|
||||
{
|
||||
return ExecutionGridEvaluator<DeviceAdapter, FieldArrayType>(
|
||||
this->Locator, this->InterpolationHelper, this->Bounds, this->Vectors, token);
|
||||
return ExecutionGridEvaluator<DeviceAdapter, FieldType>(
|
||||
this->Locator, this->InterpolationHelper, this->Bounds, this->Field, token);
|
||||
}
|
||||
|
||||
private:
|
||||
std::shared_ptr<vtkm::cont::CellLocator> Locator;
|
||||
std::shared_ptr<vtkm::cont::CellInterpolationHelper> InterpolationHelper;
|
||||
FieldArrayType Vectors;
|
||||
FieldType Field;
|
||||
vtkm::Bounds Bounds;
|
||||
};
|
||||
|
||||
|
@ -59,12 +59,12 @@ public:
|
||||
|
||||
public:
|
||||
VTKM_EXEC
|
||||
virtual IntegratorStatus Step(const vtkm::Vec3f& inpos,
|
||||
virtual IntegratorStatus Step(vtkm::Particle* inpos,
|
||||
vtkm::FloatDefault& time,
|
||||
vtkm::Vec3f& outpos) const = 0;
|
||||
|
||||
VTKM_EXEC
|
||||
virtual IntegratorStatus SmallStep(vtkm::Vec3f& inpos,
|
||||
virtual IntegratorStatus SmallStep(vtkm::Particle* inpos,
|
||||
vtkm::FloatDefault& time,
|
||||
vtkm::Vec3f& outpos) const = 0;
|
||||
|
||||
@ -111,20 +111,20 @@ protected:
|
||||
|
||||
public:
|
||||
VTKM_EXEC
|
||||
IntegratorStatus Step(const vtkm::Vec3f& inpos,
|
||||
IntegratorStatus Step(vtkm::Particle* particle,
|
||||
vtkm::FloatDefault& time,
|
||||
vtkm::Vec3f& outpos) const override
|
||||
{
|
||||
// If particle is out of either spatial or temporal boundary to begin with,
|
||||
// then return the corresponding status.
|
||||
IntegratorStatus status;
|
||||
if (!this->Evaluator.IsWithinSpatialBoundary(inpos))
|
||||
if (!this->Evaluator.IsWithinSpatialBoundary(particle->Pos))
|
||||
{
|
||||
status.SetFail();
|
||||
status.SetSpatialBounds();
|
||||
return status;
|
||||
}
|
||||
if (!this->Evaluator.IsWithinTemporalBoundary(time))
|
||||
if (!this->Evaluator.IsWithinTemporalBoundary(particle->Time))
|
||||
{
|
||||
status.SetFail();
|
||||
status.SetTemporalBounds();
|
||||
@ -132,31 +132,31 @@ protected:
|
||||
}
|
||||
|
||||
vtkm::Vec3f velocity;
|
||||
status = CheckStep(inpos, this->StepLength, time, velocity);
|
||||
status = CheckStep(particle, this->StepLength, velocity);
|
||||
if (status.CheckOk())
|
||||
{
|
||||
outpos = inpos + StepLength * velocity;
|
||||
time += StepLength;
|
||||
outpos = particle->Pos + this->StepLength * velocity;
|
||||
time += this->StepLength;
|
||||
}
|
||||
else
|
||||
outpos = inpos;
|
||||
outpos = particle->Pos;
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
VTKM_EXEC
|
||||
IntegratorStatus SmallStep(vtkm::Vec3f& inpos,
|
||||
IntegratorStatus SmallStep(vtkm::Particle* particle,
|
||||
vtkm::FloatDefault& time,
|
||||
vtkm::Vec3f& outpos) const override
|
||||
{
|
||||
if (!this->Evaluator.IsWithinSpatialBoundary(inpos))
|
||||
if (!this->Evaluator.IsWithinSpatialBoundary(particle->Pos))
|
||||
{
|
||||
outpos = inpos;
|
||||
outpos = particle->Pos;
|
||||
return IntegratorStatus(false, true, false);
|
||||
}
|
||||
if (!this->Evaluator.IsWithinTemporalBoundary(time))
|
||||
if (!this->Evaluator.IsWithinTemporalBoundary(particle->Time))
|
||||
{
|
||||
outpos = inpos;
|
||||
outpos = particle->Pos;
|
||||
return IntegratorStatus(false, false, true);
|
||||
}
|
||||
|
||||
@ -170,14 +170,14 @@ protected:
|
||||
//The binary search will be between {0, this->StepLength}
|
||||
vtkm::FloatDefault stepRange[2] = { 0, this->StepLength };
|
||||
|
||||
vtkm::Vec3f currPos(inpos), currVel;
|
||||
auto evalStatus = this->Evaluator.Evaluate(currPos, time, currVel);
|
||||
vtkm::Vec3f currPos(particle->Pos), currVelocity;
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2> currValue, tmp;
|
||||
auto evalStatus = this->Evaluator.Evaluate(currPos, particle->Time, currValue);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
|
||||
const vtkm::FloatDefault eps = vtkm::Epsilon<vtkm::FloatDefault>() * 10;
|
||||
vtkm::FloatDefault div = 1;
|
||||
vtkm::Vec3f tmp;
|
||||
while ((stepRange[1] - stepRange[0]) > eps)
|
||||
{
|
||||
//Try a step midway between stepRange[0] and stepRange[1]
|
||||
@ -185,13 +185,13 @@ protected:
|
||||
vtkm::FloatDefault stepCurr = stepRange[0] + (this->StepLength / div);
|
||||
|
||||
//See if we can step by stepCurr.
|
||||
IntegratorStatus status = this->CheckStep(inpos, stepCurr, time, currVel);
|
||||
IntegratorStatus status = this->CheckStep(particle, stepCurr, currVelocity);
|
||||
|
||||
if (status.CheckOk()) //Integration step succedded.
|
||||
{
|
||||
//See if this point is in/out.
|
||||
auto newPos = inpos + stepCurr * currVel;
|
||||
evalStatus = this->Evaluator.Evaluate(newPos, time + stepCurr, tmp);
|
||||
auto newPos = particle->Pos + stepCurr * currVelocity;
|
||||
evalStatus = this->Evaluator.Evaluate(newPos, particle->Time + stepCurr, tmp);
|
||||
if (evalStatus.CheckOk())
|
||||
{
|
||||
//Point still in. Update currPos and set range to {stepCurr, stepRange[1]}
|
||||
@ -211,22 +211,23 @@ protected:
|
||||
stepRange[1] = stepCurr;
|
||||
}
|
||||
}
|
||||
evalStatus = this->Evaluator.Evaluate(currPos, time + stepRange[0], currVel);
|
||||
evalStatus = this->Evaluator.Evaluate(currPos, particle->Time + stepRange[0], currValue);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
//Update the position and time.
|
||||
outpos = currPos + stepRange[1] * currVel;
|
||||
outpos = currPos + stepRange[1] * particle->Velocity(currValue, stepRange[1]);
|
||||
time += stepRange[1];
|
||||
return IntegratorStatus(true, true, !this->Evaluator.IsWithinTemporalBoundary(time));
|
||||
|
||||
return IntegratorStatus(
|
||||
true, true, !this->Evaluator.IsWithinTemporalBoundary(particle->Time));
|
||||
}
|
||||
|
||||
VTKM_EXEC
|
||||
IntegratorStatus CheckStep(const vtkm::Vec3f& inpos,
|
||||
IntegratorStatus CheckStep(vtkm::Particle* particle,
|
||||
vtkm::FloatDefault stepLength,
|
||||
vtkm::FloatDefault time,
|
||||
vtkm::Vec3f& velocity) const
|
||||
{
|
||||
return static_cast<const DerivedType*>(this)->CheckStep(inpos, stepLength, time, velocity);
|
||||
return static_cast<const DerivedType*>(this)->CheckStep(particle, stepLength, velocity);
|
||||
}
|
||||
|
||||
protected:
|
||||
@ -295,11 +296,12 @@ public:
|
||||
}
|
||||
|
||||
VTKM_EXEC
|
||||
IntegratorStatus CheckStep(const vtkm::Vec3f& inpos,
|
||||
IntegratorStatus CheckStep(vtkm::Particle* particle,
|
||||
vtkm::FloatDefault stepLength,
|
||||
vtkm::FloatDefault time,
|
||||
vtkm::Vec3f& velocity) const
|
||||
{
|
||||
auto time = particle->Time;
|
||||
auto inpos = particle->Pos;
|
||||
vtkm::FloatDefault boundary = this->Evaluator.GetTemporalBoundary(static_cast<vtkm::Id>(1));
|
||||
if ((time + stepLength + vtkm::Epsilon<vtkm::FloatDefault>() - boundary) > 0.0)
|
||||
stepLength = boundary - time;
|
||||
@ -314,24 +316,33 @@ public:
|
||||
vtkm::FloatDefault var2 = time + var1;
|
||||
vtkm::FloatDefault var3 = time + stepLength;
|
||||
|
||||
vtkm::Vec3f k1 = vtkm::TypeTraits<vtkm::Vec3f>::ZeroInitialization();
|
||||
vtkm::Vec3f k2 = k1, k3 = k1, k4 = k1;
|
||||
vtkm::Vec3f v1 = vtkm::TypeTraits<vtkm::Vec3f>::ZeroInitialization();
|
||||
vtkm::Vec3f v2 = v1, v3 = v1, v4 = v1;
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2> k1, k2, k3, k4;
|
||||
|
||||
GridEvaluatorStatus evalStatus;
|
||||
|
||||
evalStatus = this->Evaluator.Evaluate(inpos, time, k1);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
evalStatus = this->Evaluator.Evaluate(inpos + var1 * k1, var2, k2);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
evalStatus = this->Evaluator.Evaluate(inpos + var1 * k2, var2, k3);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
evalStatus = this->Evaluator.Evaluate(inpos + stepLength * k3, var3, k4);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
v1 = particle->Velocity(k1, stepLength);
|
||||
|
||||
velocity = (k1 + 2 * k2 + 2 * k3 + k4) / static_cast<vtkm::FloatDefault>(6);
|
||||
evalStatus = this->Evaluator.Evaluate(inpos + var1 * v1, var2, k2);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
v2 = particle->Velocity(k2, stepLength);
|
||||
|
||||
evalStatus = this->Evaluator.Evaluate(inpos + var1 * v2, var2, k3);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
v3 = particle->Velocity(k3, stepLength);
|
||||
|
||||
evalStatus = this->Evaluator.Evaluate(inpos + stepLength * v3, var3, k4);
|
||||
if (evalStatus.CheckFail())
|
||||
return IntegratorStatus(evalStatus);
|
||||
v4 = particle->Velocity(k4, stepLength);
|
||||
|
||||
velocity = (v1 + 2 * v2 + 2 * v3 + v4) / static_cast<vtkm::FloatDefault>(6);
|
||||
return IntegratorStatus(true, false, evalStatus.CheckTemporalBounds());
|
||||
}
|
||||
};
|
||||
@ -391,12 +402,15 @@ public:
|
||||
}
|
||||
|
||||
VTKM_EXEC
|
||||
IntegratorStatus CheckStep(const vtkm::Vec3f& inpos,
|
||||
vtkm::FloatDefault vtkmNotUsed(stepLength),
|
||||
vtkm::FloatDefault time,
|
||||
IntegratorStatus CheckStep(vtkm::Particle* particle,
|
||||
vtkm::FloatDefault stepLength,
|
||||
vtkm::Vec3f& velocity) const
|
||||
{
|
||||
GridEvaluatorStatus status = this->Evaluator.Evaluate(inpos, time, velocity);
|
||||
auto time = particle->Time;
|
||||
auto inpos = particle->Pos;
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2> vectors;
|
||||
GridEvaluatorStatus status = this->Evaluator.Evaluate(inpos, time, vectors);
|
||||
velocity = particle->Velocity(vectors, stepLength);
|
||||
return IntegratorStatus(status);
|
||||
}
|
||||
};
|
||||
|
@ -49,9 +49,9 @@ public:
|
||||
IntegralCurveType& integralCurve,
|
||||
const vtkm::Id& maxSteps) const
|
||||
{
|
||||
vtkm::Particle particle = integralCurve.GetParticle(idx);
|
||||
auto particle = integralCurve.GetParticle(idx);
|
||||
|
||||
vtkm::Vec3f currPos = particle.Pos;
|
||||
//vtkm::Vec3f currPos = particle.Pos;
|
||||
vtkm::FloatDefault time = particle.Time;
|
||||
bool tookAnySteps = false;
|
||||
|
||||
@ -64,25 +64,24 @@ public:
|
||||
do
|
||||
{
|
||||
vtkm::Vec3f outpos;
|
||||
auto status = integrator->Step(currPos, time, outpos);
|
||||
auto status = integrator->Step(&particle, time, outpos);
|
||||
if (status.CheckOk())
|
||||
{
|
||||
integralCurve.StepUpdate(idx, time, outpos);
|
||||
particle.Pos = outpos;
|
||||
tookAnySteps = true;
|
||||
currPos = outpos;
|
||||
}
|
||||
|
||||
//We can't take a step inside spatial boundary.
|
||||
//Try and take a step just past the boundary.
|
||||
else if (status.CheckSpatialBounds())
|
||||
{
|
||||
IntegratorStatus status2 = integrator->SmallStep(currPos, time, outpos);
|
||||
IntegratorStatus status2 = integrator->SmallStep(&particle, time, outpos);
|
||||
if (status2.CheckOk())
|
||||
{
|
||||
integralCurve.StepUpdate(idx, time, outpos);
|
||||
particle.Pos = outpos;
|
||||
tookAnySteps = true;
|
||||
currPos = outpos;
|
||||
|
||||
//we took a step, so use this status to consider below.
|
||||
status = status2;
|
||||
}
|
||||
@ -90,7 +89,6 @@ public:
|
||||
status =
|
||||
IntegratorStatus(true, status2.CheckSpatialBounds(), status2.CheckTemporalBounds());
|
||||
}
|
||||
|
||||
integralCurve.StatusUpdate(idx, status, maxSteps);
|
||||
|
||||
} while (integralCurve.CanContinue(idx));
|
||||
@ -101,7 +99,7 @@ public:
|
||||
};
|
||||
|
||||
|
||||
template <typename IntegratorType>
|
||||
template <typename IntegratorType, typename ParticleType>
|
||||
class ParticleAdvectionWorklet
|
||||
{
|
||||
public:
|
||||
@ -110,14 +108,14 @@ public:
|
||||
~ParticleAdvectionWorklet() {}
|
||||
|
||||
void Run(const IntegratorType& integrator,
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle>& particles,
|
||||
vtkm::cont::ArrayHandle<ParticleType>& particles,
|
||||
vtkm::Id& MaxSteps)
|
||||
{
|
||||
|
||||
using ParticleAdvectWorkletType = vtkm::worklet::particleadvection::ParticleAdvectWorklet;
|
||||
using ParticleWorkletDispatchType =
|
||||
typename vtkm::worklet::DispatcherMapField<ParticleAdvectWorkletType>;
|
||||
using ParticleType = vtkm::worklet::particleadvection::Particles;
|
||||
using ParticleArrayType = vtkm::worklet::particleadvection::Particles<ParticleType>;
|
||||
|
||||
vtkm::Id numSeeds = static_cast<vtkm::Id>(particles.GetNumberOfValues());
|
||||
//Create and invoke the particle advection.
|
||||
@ -130,7 +128,7 @@ public:
|
||||
(void)stack;
|
||||
#endif // VTKM_CUDA
|
||||
|
||||
ParticleType particlesObj(particles, MaxSteps);
|
||||
ParticleArrayType particlesObj(particles, MaxSteps);
|
||||
|
||||
//Invoke particle advection worklet
|
||||
ParticleWorkletDispatchType particleWorkletDispatch;
|
||||
@ -174,13 +172,13 @@ public:
|
||||
} // namespace detail
|
||||
|
||||
|
||||
template <typename IntegratorType>
|
||||
template <typename IntegratorType, typename ParticleType>
|
||||
class StreamlineWorklet
|
||||
{
|
||||
public:
|
||||
template <typename PointStorage, typename PointStorage2>
|
||||
void Run(const IntegratorType& it,
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle, PointStorage>& particles,
|
||||
vtkm::cont::ArrayHandle<ParticleType, PointStorage>& particles,
|
||||
vtkm::Id& MaxSteps,
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f, PointStorage2>& positions,
|
||||
vtkm::cont::CellSetExplicit<>& polyLines)
|
||||
@ -188,7 +186,8 @@ public:
|
||||
|
||||
using ParticleWorkletDispatchType = typename vtkm::worklet::DispatcherMapField<
|
||||
vtkm::worklet::particleadvection::ParticleAdvectWorklet>;
|
||||
using StreamlineType = vtkm::worklet::particleadvection::StateRecordingParticles;
|
||||
using StreamlineArrayType =
|
||||
vtkm::worklet::particleadvection::StateRecordingParticles<ParticleType>;
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Id> initialStepsTaken;
|
||||
|
||||
@ -205,7 +204,7 @@ public:
|
||||
#endif // VTKM_CUDA
|
||||
|
||||
//Run streamline worklet
|
||||
StreamlineType streamlines(particles, MaxSteps);
|
||||
StreamlineArrayType streamlines(particles, MaxSteps);
|
||||
ParticleWorkletDispatchType particleWorkletDispatch;
|
||||
vtkm::cont::ArrayHandleConstant<vtkm::Id> maxSteps(MaxSteps, numSeeds);
|
||||
particleWorkletDispatch.Invoke(idxArray, it, streamlines, maxSteps);
|
||||
|
@ -26,7 +26,7 @@ namespace worklet
|
||||
{
|
||||
namespace particleadvection
|
||||
{
|
||||
template <typename Device>
|
||||
template <typename Device, typename ParticleType>
|
||||
class ParticleExecutionObject
|
||||
{
|
||||
public:
|
||||
@ -37,7 +37,7 @@ public:
|
||||
{
|
||||
}
|
||||
|
||||
ParticleExecutionObject(vtkm::cont::ArrayHandle<vtkm::Particle> particleArray,
|
||||
ParticleExecutionObject(vtkm::cont::ArrayHandle<ParticleType> particleArray,
|
||||
vtkm::Id maxSteps,
|
||||
vtkm::cont::Token& token)
|
||||
{
|
||||
@ -46,7 +46,7 @@ public:
|
||||
}
|
||||
|
||||
VTKM_EXEC
|
||||
vtkm::Particle GetParticle(const vtkm::Id& idx) { return this->Particles.Get(idx); }
|
||||
ParticleType GetParticle(const vtkm::Id& idx) { return this->Particles.Get(idx); }
|
||||
|
||||
VTKM_EXEC
|
||||
void PreStepUpdate(const vtkm::Id& vtkmNotUsed(idx)) {}
|
||||
@ -54,7 +54,7 @@ public:
|
||||
VTKM_EXEC
|
||||
void StepUpdate(const vtkm::Id& idx, vtkm::FloatDefault time, const vtkm::Vec3f& pt)
|
||||
{
|
||||
vtkm::Particle p = this->GetParticle(idx);
|
||||
ParticleType p = this->GetParticle(idx);
|
||||
p.Pos = pt;
|
||||
p.Time = time;
|
||||
p.NumSteps++;
|
||||
@ -66,7 +66,7 @@ public:
|
||||
const vtkm::worklet::particleadvection::IntegratorStatus& status,
|
||||
vtkm::Id maxSteps)
|
||||
{
|
||||
vtkm::Particle p = this->GetParticle(idx);
|
||||
ParticleType p = this->GetParticle(idx);
|
||||
|
||||
if (p.NumSteps == maxSteps)
|
||||
p.Status.SetTerminate();
|
||||
@ -83,7 +83,7 @@ public:
|
||||
VTKM_EXEC
|
||||
bool CanContinue(const vtkm::Id& idx)
|
||||
{
|
||||
vtkm::Particle p = this->GetParticle(idx);
|
||||
ParticleType p = this->GetParticle(idx);
|
||||
|
||||
return (p.Status.CheckOk() && !p.Status.CheckTerminate() && !p.Status.CheckSpatialBounds() &&
|
||||
!p.Status.CheckTemporalBounds());
|
||||
@ -92,7 +92,7 @@ public:
|
||||
VTKM_EXEC
|
||||
void UpdateTookSteps(const vtkm::Id& idx, bool val)
|
||||
{
|
||||
vtkm::Particle p = this->GetParticle(idx);
|
||||
ParticleType p = this->GetParticle(idx);
|
||||
if (val)
|
||||
p.Status.SetTookAnySteps();
|
||||
else
|
||||
@ -102,26 +102,26 @@ public:
|
||||
|
||||
protected:
|
||||
using ParticlePortal =
|
||||
typename vtkm::cont::ArrayHandle<vtkm::Particle>::template ExecutionTypes<Device>::Portal;
|
||||
typename vtkm::cont::ArrayHandle<ParticleType>::template ExecutionTypes<Device>::Portal;
|
||||
|
||||
ParticlePortal Particles;
|
||||
vtkm::Id MaxSteps;
|
||||
};
|
||||
|
||||
template <typename ParticleType>
|
||||
class Particles : public vtkm::cont::ExecutionObjectBase
|
||||
{
|
||||
public:
|
||||
template <typename Device>
|
||||
VTKM_CONT vtkm::worklet::particleadvection::ParticleExecutionObject<Device> PrepareForExecution(
|
||||
Device,
|
||||
vtkm::cont::Token& token) const
|
||||
VTKM_CONT vtkm::worklet::particleadvection::ParticleExecutionObject<Device, ParticleType>
|
||||
PrepareForExecution(Device, vtkm::cont::Token& token) const
|
||||
{
|
||||
return vtkm::worklet::particleadvection::ParticleExecutionObject<Device>(
|
||||
return vtkm::worklet::particleadvection::ParticleExecutionObject<Device, ParticleType>(
|
||||
this->ParticleArray, this->MaxSteps, token);
|
||||
}
|
||||
|
||||
VTKM_CONT
|
||||
Particles(vtkm::cont::ArrayHandle<vtkm::Particle>& pArray, vtkm::Id& maxSteps)
|
||||
Particles(vtkm::cont::ArrayHandle<ParticleType>& pArray, vtkm::Id& maxSteps)
|
||||
: ParticleArray(pArray)
|
||||
, MaxSteps(maxSteps)
|
||||
{
|
||||
@ -130,18 +130,18 @@ public:
|
||||
Particles() {}
|
||||
|
||||
protected:
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> ParticleArray;
|
||||
vtkm::cont::ArrayHandle<ParticleType> ParticleArray;
|
||||
vtkm::Id MaxSteps;
|
||||
};
|
||||
|
||||
|
||||
template <typename Device>
|
||||
class StateRecordingParticleExecutionObject : public ParticleExecutionObject<Device>
|
||||
template <typename Device, typename ParticleType>
|
||||
class StateRecordingParticleExecutionObject : public ParticleExecutionObject<Device, ParticleType>
|
||||
{
|
||||
public:
|
||||
VTKM_EXEC_CONT
|
||||
StateRecordingParticleExecutionObject()
|
||||
: ParticleExecutionObject<Device>()
|
||||
: ParticleExecutionObject<Device, ParticleType>()
|
||||
, History()
|
||||
, Length(0)
|
||||
, StepCount()
|
||||
@ -149,13 +149,13 @@ public:
|
||||
{
|
||||
}
|
||||
|
||||
StateRecordingParticleExecutionObject(vtkm::cont::ArrayHandle<vtkm::Particle> pArray,
|
||||
StateRecordingParticleExecutionObject(vtkm::cont::ArrayHandle<ParticleType> pArray,
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> historyArray,
|
||||
vtkm::cont::ArrayHandle<vtkm::Id> validPointArray,
|
||||
vtkm::cont::ArrayHandle<vtkm::Id> stepCountArray,
|
||||
vtkm::Id maxSteps,
|
||||
vtkm::cont::Token& token)
|
||||
: ParticleExecutionObject<Device>(pArray, maxSteps, token)
|
||||
: ParticleExecutionObject<Device, ParticleType>(pArray, maxSteps, token)
|
||||
, Length(maxSteps + 1)
|
||||
{
|
||||
vtkm::Id numPos = pArray.GetNumberOfValues();
|
||||
@ -167,7 +167,7 @@ public:
|
||||
VTKM_EXEC
|
||||
void PreStepUpdate(const vtkm::Id& idx)
|
||||
{
|
||||
vtkm::Particle p = this->ParticleExecutionObject<Device>::GetParticle(idx);
|
||||
ParticleType p = this->ParticleExecutionObject<Device, ParticleType>::GetParticle(idx);
|
||||
if (p.NumSteps == 0)
|
||||
{
|
||||
vtkm::Id loc = idx * Length;
|
||||
@ -180,7 +180,7 @@ public:
|
||||
VTKM_EXEC
|
||||
void StepUpdate(const vtkm::Id& idx, vtkm::FloatDefault time, const vtkm::Vec3f& pt)
|
||||
{
|
||||
this->ParticleExecutionObject<Device>::StepUpdate(idx, time, pt);
|
||||
this->ParticleExecutionObject<Device, ParticleType>::StepUpdate(idx, time, pt);
|
||||
|
||||
//local step count.
|
||||
vtkm::Id stepCount = this->StepCount.Get(idx);
|
||||
@ -203,6 +203,7 @@ protected:
|
||||
IdPortal ValidPoint;
|
||||
};
|
||||
|
||||
template <typename ParticleType>
|
||||
class StateRecordingParticles : vtkm::cont::ExecutionObjectBase
|
||||
{
|
||||
public:
|
||||
@ -218,10 +219,12 @@ public:
|
||||
|
||||
|
||||
template <typename Device>
|
||||
VTKM_CONT vtkm::worklet::particleadvection::StateRecordingParticleExecutionObject<Device>
|
||||
VTKM_CONT
|
||||
vtkm::worklet::particleadvection::StateRecordingParticleExecutionObject<Device, ParticleType>
|
||||
PrepareForExecution(Device, vtkm::cont::Token& token) const
|
||||
{
|
||||
return vtkm::worklet::particleadvection::StateRecordingParticleExecutionObject<Device>(
|
||||
return vtkm::worklet::particleadvection::StateRecordingParticleExecutionObject<Device,
|
||||
ParticleType>(
|
||||
this->ParticleArray,
|
||||
this->HistoryArray,
|
||||
this->ValidPointArray,
|
||||
@ -230,7 +233,7 @@ public:
|
||||
token);
|
||||
}
|
||||
VTKM_CONT
|
||||
StateRecordingParticles(vtkm::cont::ArrayHandle<vtkm::Particle>& pArray, const vtkm::Id& maxSteps)
|
||||
StateRecordingParticles(vtkm::cont::ArrayHandle<ParticleType>& pArray, const vtkm::Id& maxSteps)
|
||||
: MaxSteps(maxSteps)
|
||||
, ParticleArray(pArray)
|
||||
{
|
||||
@ -246,7 +249,7 @@ public:
|
||||
}
|
||||
|
||||
VTKM_CONT
|
||||
StateRecordingParticles(vtkm::cont::ArrayHandle<vtkm::Particle>& pArray,
|
||||
StateRecordingParticles(vtkm::cont::ArrayHandle<ParticleType>& pArray,
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f>& historyArray,
|
||||
vtkm::cont::ArrayHandle<vtkm::Id>& validPointArray,
|
||||
vtkm::Id& maxSteps)
|
||||
@ -266,7 +269,7 @@ public:
|
||||
protected:
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> HistoryArray;
|
||||
vtkm::Id MaxSteps;
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> ParticleArray;
|
||||
vtkm::cont::ArrayHandle<ParticleType> ParticleArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Id> StepCountArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Id> ValidPointArray;
|
||||
};
|
||||
|
@ -21,13 +21,13 @@ namespace worklet
|
||||
namespace particleadvection
|
||||
{
|
||||
|
||||
template <typename DeviceAdapter, typename FieldArrayType>
|
||||
template <typename DeviceAdapter, typename FieldType>
|
||||
class ExecutionTemporalGridEvaluator
|
||||
{
|
||||
private:
|
||||
using GridEvaluator = vtkm::worklet::particleadvection::GridEvaluator<FieldArrayType>;
|
||||
using GridEvaluator = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using ExecutionGridEvaluator =
|
||||
vtkm::worklet::particleadvection::ExecutionGridEvaluator<DeviceAdapter, FieldArrayType>;
|
||||
vtkm::worklet::particleadvection::ExecutionGridEvaluator<DeviceAdapter, FieldType>;
|
||||
|
||||
public:
|
||||
VTKM_CONT
|
||||
@ -70,9 +70,9 @@ public:
|
||||
}
|
||||
|
||||
template <typename Point>
|
||||
VTKM_EXEC GridEvaluatorStatus Evaluate(const Point& pos,
|
||||
VTKM_EXEC GridEvaluatorStatus Evaluate(const Point& particle,
|
||||
vtkm::FloatDefault time,
|
||||
Point& out) const
|
||||
vtkm::VecVariable<Point, 2>& out) const
|
||||
{
|
||||
// Validate time is in bounds for the current two slices.
|
||||
GridEvaluatorStatus status;
|
||||
@ -84,17 +84,21 @@ public:
|
||||
return status;
|
||||
}
|
||||
|
||||
Point one, two;
|
||||
status = this->EvaluatorOne.Evaluate(pos, one);
|
||||
vtkm::VecVariable<Point, 2> e1, e2;
|
||||
status = this->EvaluatorOne.Evaluate(particle, e1);
|
||||
if (status.CheckFail())
|
||||
return status;
|
||||
status = this->EvaluatorTwo.Evaluate(pos, two);
|
||||
status = this->EvaluatorTwo.Evaluate(particle, e2);
|
||||
if (status.CheckFail())
|
||||
return status;
|
||||
|
||||
// LERP between the two values of calculated fields to obtain the new value
|
||||
vtkm::FloatDefault proportion = (time - this->TimeOne) / this->TimeDiff;
|
||||
out = vtkm::Lerp(one, two, proportion);
|
||||
VTKM_ASSERT(e1.GetNumberOfComponents() != 0 &&
|
||||
e1.GetNumberOfComponents() == e2.GetNumberOfComponents());
|
||||
out = vtkm::VecVariable<Point, 2>{};
|
||||
for (vtkm::IdComponent index = 0; index < e1.GetNumberOfComponents(); ++index)
|
||||
out.Append(vtkm::Lerp(e1[index], e2[index], proportion));
|
||||
|
||||
status.SetOk();
|
||||
return status;
|
||||
@ -108,11 +112,11 @@ private:
|
||||
vtkm::FloatDefault TimeDiff;
|
||||
};
|
||||
|
||||
template <typename FieldArrayType>
|
||||
template <typename FieldType>
|
||||
class TemporalGridEvaluator : public vtkm::cont::ExecutionObjectBase
|
||||
{
|
||||
private:
|
||||
using GridEvaluator = vtkm::worklet::particleadvection::GridEvaluator<FieldArrayType>;
|
||||
using GridEvaluator = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
|
||||
public:
|
||||
VTKM_CONT TemporalGridEvaluator() = default;
|
||||
@ -130,11 +134,11 @@ public:
|
||||
|
||||
VTKM_CONT TemporalGridEvaluator(const vtkm::cont::CoordinateSystem& coordinatesOne,
|
||||
const vtkm::cont::DynamicCellSet& cellsetOne,
|
||||
const FieldArrayType& fieldOne,
|
||||
const FieldType& fieldOne,
|
||||
const vtkm::FloatDefault timeOne,
|
||||
const vtkm::cont::CoordinateSystem& coordinatesTwo,
|
||||
const vtkm::cont::DynamicCellSet& cellsetTwo,
|
||||
const FieldArrayType& fieldTwo,
|
||||
const FieldType& fieldTwo,
|
||||
const vtkm::FloatDefault timeTwo)
|
||||
: EvaluatorOne(GridEvaluator(coordinatesOne, cellsetOne, fieldOne))
|
||||
, EvaluatorTwo(GridEvaluator(coordinatesTwo, cellsetTwo, fieldTwo))
|
||||
@ -144,11 +148,11 @@ public:
|
||||
}
|
||||
|
||||
template <typename DeviceAdapter>
|
||||
VTKM_CONT ExecutionTemporalGridEvaluator<DeviceAdapter, FieldArrayType> PrepareForExecution(
|
||||
VTKM_CONT ExecutionTemporalGridEvaluator<DeviceAdapter, FieldType> PrepareForExecution(
|
||||
DeviceAdapter,
|
||||
vtkm::cont::Token& token) const
|
||||
{
|
||||
return ExecutionTemporalGridEvaluator<DeviceAdapter, FieldArrayType>(
|
||||
return ExecutionTemporalGridEvaluator<DeviceAdapter, FieldType>(
|
||||
this->EvaluatorOne, this->TimeOne, this->EvaluatorTwo, this->TimeTwo, token);
|
||||
}
|
||||
|
||||
|
@ -18,6 +18,7 @@
|
||||
#include <vtkm/cont/testing/Testing.h>
|
||||
#include <vtkm/io/VTKDataSetReader.h>
|
||||
#include <vtkm/worklet/ParticleAdvection.h>
|
||||
#include <vtkm/worklet/particleadvection/Field.h>
|
||||
#include <vtkm/worklet/particleadvection/GridEvaluators.h>
|
||||
#include <vtkm/worklet/particleadvection/Integrators.h>
|
||||
#include <vtkm/worklet/particleadvection/Particles.h>
|
||||
@ -93,7 +94,7 @@ vtkm::FloatDefault vecData[125 * 3] = {
|
||||
};
|
||||
}
|
||||
|
||||
void GenerateRandomParticles(std::vector<vtkm::Particle>& points,
|
||||
void GenerateRandomParticles(std::vector<vtkm::Massless>& points,
|
||||
const std::size_t N,
|
||||
const vtkm::Bounds& bounds,
|
||||
const std::size_t seed = 314)
|
||||
@ -114,7 +115,7 @@ void GenerateRandomParticles(std::vector<vtkm::Particle>& points,
|
||||
p[0] = static_cast<vtkm::FloatDefault>(bounds.X.Min + rx * bounds.X.Length());
|
||||
p[1] = static_cast<vtkm::FloatDefault>(bounds.Y.Min + ry * bounds.Y.Length());
|
||||
p[2] = static_cast<vtkm::FloatDefault>(bounds.Z.Min + rz * bounds.Z.Length());
|
||||
points.push_back(vtkm::Particle(p, static_cast<vtkm::Id>(i)));
|
||||
points.push_back(vtkm::Massless(p, static_cast<vtkm::Id>(i)));
|
||||
}
|
||||
}
|
||||
|
||||
@ -292,18 +293,20 @@ public:
|
||||
using ExecutionSignature = void(_1, _2, _3, _4);
|
||||
|
||||
template <typename EvaluatorType>
|
||||
VTKM_EXEC void operator()(vtkm::Particle& pointIn,
|
||||
VTKM_EXEC void operator()(vtkm::Massless& pointIn,
|
||||
const EvaluatorType& evaluator,
|
||||
vtkm::worklet::particleadvection::GridEvaluatorStatus& status,
|
||||
vtkm::Vec3f& pointOut) const
|
||||
{
|
||||
status = evaluator.Evaluate(pointIn.Pos, pointOut);
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2> values;
|
||||
status = evaluator.Evaluate(pointIn.Pos, values);
|
||||
pointOut = values[0];
|
||||
}
|
||||
};
|
||||
|
||||
template <typename EvalType>
|
||||
void ValidateEvaluator(const EvalType& eval,
|
||||
const std::vector<vtkm::Particle>& pointIns,
|
||||
const std::vector<vtkm::Massless>& pointIns,
|
||||
const vtkm::Vec3f& vec,
|
||||
const std::string& msg)
|
||||
{
|
||||
@ -312,7 +315,7 @@ void ValidateEvaluator(const EvalType& eval,
|
||||
using Status = vtkm::worklet::particleadvection::GridEvaluatorStatus;
|
||||
EvalTester evalTester;
|
||||
EvalTesterDispatcher evalTesterDispatcher(evalTester);
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> pointsHandle = vtkm::cont::make_ArrayHandle(pointIns);
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> pointsHandle = vtkm::cont::make_ArrayHandle(pointIns);
|
||||
vtkm::Id numPoints = pointsHandle.GetNumberOfValues();
|
||||
vtkm::cont::ArrayHandle<Status> evalStatus;
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> evalResults;
|
||||
@ -339,22 +342,22 @@ public:
|
||||
using ExecutionSignature = void(_1, _2, _3, _4);
|
||||
|
||||
template <typename IntegratorType>
|
||||
VTKM_EXEC void operator()(vtkm::Particle& pointIn,
|
||||
VTKM_EXEC void operator()(vtkm::Massless& pointIn,
|
||||
const IntegratorType* integrator,
|
||||
vtkm::worklet::particleadvection::IntegratorStatus& status,
|
||||
vtkm::Vec3f& pointOut) const
|
||||
{
|
||||
vtkm::FloatDefault time = 0;
|
||||
status = integrator->Step(pointIn.Pos, time, pointOut);
|
||||
status = integrator->Step(&pointIn, time, pointOut);
|
||||
if (status.CheckSpatialBounds())
|
||||
status = integrator->SmallStep(pointIn.Pos, time, pointOut);
|
||||
status = integrator->SmallStep(&pointIn, time, pointOut);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
template <typename IntegratorType>
|
||||
void ValidateIntegrator(const IntegratorType& integrator,
|
||||
const std::vector<vtkm::Particle>& pointIns,
|
||||
const std::vector<vtkm::Massless>& pointIns,
|
||||
const std::vector<vtkm::Vec3f>& expStepResults,
|
||||
const std::string& msg)
|
||||
{
|
||||
@ -387,7 +390,7 @@ void ValidateIntegrator(const IntegratorType& integrator,
|
||||
template <typename IntegratorType>
|
||||
void ValidateIntegratorForBoundary(const vtkm::Bounds& bounds,
|
||||
const IntegratorType& integrator,
|
||||
const std::vector<vtkm::Particle>& pointIns,
|
||||
const std::vector<vtkm::Massless>& pointIns,
|
||||
const std::string& msg)
|
||||
{
|
||||
using IntegratorTester = TestIntegratorWorklet;
|
||||
@ -417,7 +420,8 @@ void ValidateIntegratorForBoundary(const vtkm::Bounds& bounds,
|
||||
void TestEvaluators()
|
||||
{
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec3f>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
|
||||
std::vector<vtkm::Vec3f> vecs;
|
||||
@ -451,10 +455,11 @@ void TestEvaluators()
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> vecField;
|
||||
CreateConstantVectorField(dim[0] * dim[1] * dim[2], vec, vecField);
|
||||
FieldType velocities(vecField);
|
||||
|
||||
//vtkm::FloatDefault stepSize = 0.01f;
|
||||
vtkm::FloatDefault stepSize = 0.1f;
|
||||
std::vector<vtkm::Particle> pointIns;
|
||||
std::vector<vtkm::Massless> pointIns;
|
||||
std::vector<vtkm::Vec3f> stepResult;
|
||||
|
||||
//Generate points 2 steps inside the bounding box.
|
||||
@ -491,12 +496,12 @@ void TestEvaluators()
|
||||
// of the velocity field
|
||||
// All velocities are in the +ve direction.
|
||||
|
||||
std::vector<vtkm::Particle> boundaryPoints;
|
||||
std::vector<vtkm::Massless> boundaryPoints;
|
||||
GenerateRandomParticles(boundaryPoints, 10, forBoundary, 919);
|
||||
|
||||
for (auto& ds : dataSets)
|
||||
{
|
||||
GridEvalType gridEval(ds.GetCoordinateSystem(), ds.GetCellSet(), vecField);
|
||||
GridEvalType gridEval(ds.GetCoordinateSystem(), ds.GetCellSet(), velocities);
|
||||
ValidateEvaluator(gridEval, pointIns, vec, "grid evaluator");
|
||||
|
||||
RK4Type rk4(gridEval, stepSize);
|
||||
@ -508,7 +513,8 @@ void TestEvaluators()
|
||||
}
|
||||
}
|
||||
|
||||
void ValidateParticleAdvectionResult(const vtkm::worklet::ParticleAdvectionResult& res,
|
||||
void ValidateParticleAdvectionResult(
|
||||
const vtkm::worklet::ParticleAdvectionResult<vtkm::Massless>& res,
|
||||
vtkm::Id nSeeds,
|
||||
vtkm::Id maxSteps)
|
||||
{
|
||||
@ -528,7 +534,7 @@ void ValidateParticleAdvectionResult(const vtkm::worklet::ParticleAdvectionResul
|
||||
}
|
||||
}
|
||||
|
||||
void ValidateStreamlineResult(const vtkm::worklet::StreamlineResult& res,
|
||||
void ValidateStreamlineResult(const vtkm::worklet::StreamlineResult<vtkm::Massless>& res,
|
||||
vtkm::Id nSeeds,
|
||||
vtkm::Id maxSteps)
|
||||
{
|
||||
@ -547,7 +553,8 @@ void ValidateStreamlineResult(const vtkm::worklet::StreamlineResult& res,
|
||||
void TestIntegrators()
|
||||
{
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec3f>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
|
||||
const vtkm::Id3 dims(5, 5, 5);
|
||||
const vtkm::Bounds bounds(0., 1., 0., 1., .0, .1);
|
||||
@ -562,15 +569,16 @@ void TestIntegrators()
|
||||
for (vtkm::Id i = 0; i < nElements; i++)
|
||||
fieldData.push_back(vtkm::Vec3f(0., 0., 1.));
|
||||
FieldHandle fieldValues = vtkm::cont::make_ArrayHandle(fieldData);
|
||||
FieldType velocities(fieldValues);
|
||||
|
||||
GridEvalType eval(dataset.GetCoordinateSystem(), dataset.GetCellSet(), fieldValues);
|
||||
GridEvalType eval(dataset.GetCoordinateSystem(), dataset.GetCellSet(), velocities);
|
||||
|
||||
//Generate three random points.
|
||||
std::vector<vtkm::Particle> points;
|
||||
std::vector<vtkm::Massless> points;
|
||||
GenerateRandomParticles(points, 3, bounds);
|
||||
|
||||
vtkm::worklet::ParticleAdvection pa;
|
||||
vtkm::worklet::ParticleAdvectionResult res;
|
||||
vtkm::worklet::ParticleAdvectionResult<vtkm::Massless> res;
|
||||
{
|
||||
auto seeds = vtkm::cont::make_ArrayHandle(points, vtkm::CopyFlag::On);
|
||||
using IntegratorType = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
@ -590,7 +598,8 @@ void TestIntegrators()
|
||||
void TestParticleWorkletsWithDataSetTypes()
|
||||
{
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec3f>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
vtkm::FloatDefault stepSize = 0.01f;
|
||||
|
||||
@ -608,6 +617,7 @@ void TestParticleWorkletsWithDataSetTypes()
|
||||
}
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> fieldArray;
|
||||
fieldArray = vtkm::cont::make_ArrayHandle(field);
|
||||
FieldType velocities(fieldArray);
|
||||
|
||||
std::vector<vtkm::Bounds> bounds;
|
||||
bounds.push_back(vtkm::Bounds(0, 10, 0, 10, 0, 10));
|
||||
@ -627,9 +637,9 @@ void TestParticleWorkletsWithDataSetTypes()
|
||||
dataSets.push_back(CreateWeirdnessFromStructuredDataSet(dataSets[0], DataSetOption::EXPLICIT));
|
||||
|
||||
//Generate three random points.
|
||||
std::vector<vtkm::Particle> pts;
|
||||
std::vector<vtkm::Massless> pts;
|
||||
GenerateRandomParticles(pts, 3, bound, 111);
|
||||
std::vector<vtkm::Particle> pts2 = pts;
|
||||
std::vector<vtkm::Massless> pts2 = pts;
|
||||
|
||||
vtkm::Id nSeeds = static_cast<vtkm::Id>(pts.size());
|
||||
std::vector<vtkm::Id> stepsTaken = { 10, 20, 600 };
|
||||
@ -638,7 +648,7 @@ void TestParticleWorkletsWithDataSetTypes()
|
||||
|
||||
for (auto& ds : dataSets)
|
||||
{
|
||||
GridEvalType eval(ds.GetCoordinateSystem(), ds.GetCellSet(), fieldArray);
|
||||
GridEvalType eval(ds.GetCoordinateSystem(), ds.GetCellSet(), velocities);
|
||||
RK4Type rk4(eval, stepSize);
|
||||
|
||||
//Do 4 tests on each dataset.
|
||||
@ -649,7 +659,7 @@ void TestParticleWorkletsWithDataSetTypes()
|
||||
if (i < 2)
|
||||
{
|
||||
vtkm::worklet::ParticleAdvection pa;
|
||||
vtkm::worklet::ParticleAdvectionResult res;
|
||||
vtkm::worklet::ParticleAdvectionResult<vtkm::Massless> res;
|
||||
if (i == 0)
|
||||
{
|
||||
auto seeds = vtkm::cont::make_ArrayHandle(pts, vtkm::CopyFlag::On);
|
||||
@ -665,7 +675,7 @@ void TestParticleWorkletsWithDataSetTypes()
|
||||
else
|
||||
{
|
||||
vtkm::worklet::Streamline s;
|
||||
vtkm::worklet::StreamlineResult res;
|
||||
vtkm::worklet::StreamlineResult<vtkm::Massless> res;
|
||||
if (i == 2)
|
||||
{
|
||||
auto seeds = vtkm::cont::make_ArrayHandle(pts, vtkm::CopyFlag::On);
|
||||
@ -695,22 +705,24 @@ void TestParticleStatus()
|
||||
for (vtkm::Id i = 0; i < nElements; i++)
|
||||
field.push_back(vtkm::Vec3f(1, 0, 0));
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> fieldArray;
|
||||
fieldArray = vtkm::cont::make_ArrayHandle(field);
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec3f>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
vtkm::Id maxSteps = 1000;
|
||||
vtkm::FloatDefault stepSize = 0.01f;
|
||||
|
||||
GridEvalType eval(ds.GetCoordinateSystem(), ds.GetCellSet(), fieldArray);
|
||||
FieldHandle fieldArray;
|
||||
fieldArray = vtkm::cont::make_ArrayHandle(field);
|
||||
FieldType velocities(fieldArray);
|
||||
|
||||
GridEvalType eval(ds.GetCoordinateSystem(), ds.GetCellSet(), velocities);
|
||||
RK4Type rk4(eval, stepSize);
|
||||
|
||||
vtkm::worklet::ParticleAdvection pa;
|
||||
std::vector<vtkm::Particle> pts;
|
||||
pts.push_back(vtkm::Particle(vtkm::Vec3f(.5, .5, .5), 0));
|
||||
pts.push_back(vtkm::Particle(vtkm::Vec3f(-1, -1, -1), 1));
|
||||
std::vector<vtkm::Massless> pts;
|
||||
pts.push_back(vtkm::Massless(vtkm::Vec3f(.5, .5, .5), 0));
|
||||
pts.push_back(vtkm::Massless(vtkm::Vec3f(-1, -1, -1), 1));
|
||||
auto seedsArray = vtkm::cont::make_ArrayHandle(pts, vtkm::CopyFlag::On);
|
||||
pa.Run(rk4, seedsArray, maxSteps);
|
||||
auto portal = seedsArray.ReadPortal();
|
||||
@ -724,7 +736,8 @@ void TestParticleStatus()
|
||||
void TestWorkletsBasic()
|
||||
{
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec3f>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
vtkm::FloatDefault stepSize = 0.01f;
|
||||
|
||||
@ -736,13 +749,14 @@ void TestWorkletsBasic()
|
||||
for (vtkm::Id i = 0; i < nElements; i++)
|
||||
field.push_back(vtkm::Normal(vecDir));
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> fieldArray;
|
||||
FieldHandle fieldArray;
|
||||
fieldArray = vtkm::cont::make_ArrayHandle(field);
|
||||
FieldType velocities(fieldArray);
|
||||
|
||||
vtkm::Bounds bounds(0, 1, 0, 1, 0, 1);
|
||||
auto ds = CreateUniformDataSet(bounds, dims);
|
||||
|
||||
GridEvalType eval(ds.GetCoordinateSystem(), ds.GetCellSet(), fieldArray);
|
||||
GridEvalType eval(ds.GetCoordinateSystem(), ds.GetCellSet(), velocities);
|
||||
RK4Type rk4(eval, stepSize);
|
||||
|
||||
vtkm::Id maxSteps = 83;
|
||||
@ -751,7 +765,7 @@ void TestWorkletsBasic()
|
||||
|
||||
for (auto w : workletTypes)
|
||||
{
|
||||
std::vector<vtkm::Particle> particles;
|
||||
std::vector<vtkm::Massless> particles;
|
||||
std::vector<vtkm::Vec3f> pts, samplePts, endPts;
|
||||
vtkm::FloatDefault X = static_cast<vtkm::FloatDefault>(.1);
|
||||
vtkm::FloatDefault Y = static_cast<vtkm::FloatDefault>(.1);
|
||||
@ -767,7 +781,7 @@ void TestWorkletsBasic()
|
||||
for (std::size_t i = 0; i < pts.size(); i++, id++)
|
||||
{
|
||||
vtkm::Vec3f p = pts[i];
|
||||
particles.push_back(vtkm::Particle(p, id));
|
||||
particles.push_back(vtkm::Massless(p, id));
|
||||
samplePts.push_back(p);
|
||||
for (vtkm::Id j = 0; j < maxSteps; j++)
|
||||
{
|
||||
@ -782,7 +796,7 @@ void TestWorkletsBasic()
|
||||
if (w == "particleAdvection")
|
||||
{
|
||||
vtkm::worklet::ParticleAdvection pa;
|
||||
vtkm::worklet::ParticleAdvectionResult res;
|
||||
vtkm::worklet::ParticleAdvectionResult<vtkm::Massless> res;
|
||||
|
||||
res = pa.Run(rk4, seedsArray, maxSteps);
|
||||
|
||||
@ -806,7 +820,7 @@ void TestWorkletsBasic()
|
||||
else if (w == "streamline")
|
||||
{
|
||||
vtkm::worklet::Streamline s;
|
||||
vtkm::worklet::StreamlineResult res;
|
||||
vtkm::worklet::StreamlineResult<vtkm::Massless> res;
|
||||
|
||||
res = s.Run(rk4, seedsArray, maxSteps);
|
||||
|
||||
@ -880,6 +894,7 @@ void TestParticleAdvectionFile(const std::string& fname,
|
||||
vtkm::Id maxSteps,
|
||||
const std::vector<vtkm::Vec3f>& endPts)
|
||||
{
|
||||
|
||||
VTKM_LOG_S(vtkm::cont::LogLevel::Info, "Testing particle advection on file " << fname);
|
||||
vtkm::io::VTKDataSetReader reader(fname);
|
||||
vtkm::cont::DataSet ds;
|
||||
@ -897,8 +912,9 @@ void TestParticleAdvectionFile(const std::string& fname,
|
||||
VTKM_TEST_FAIL(message.c_str());
|
||||
}
|
||||
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec3f_32>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<vtkm::Vec3f>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using GridEvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using RK4Type = vtkm::worklet::particleadvection::RK4Integrator<GridEvalType>;
|
||||
|
||||
VTKM_TEST_ASSERT(ds.HasField("vec"));
|
||||
@ -907,6 +923,7 @@ void TestParticleAdvectionFile(const std::string& fname,
|
||||
|
||||
if (!fieldData.IsType<FieldHandle>())
|
||||
{
|
||||
ds.PrintSummary(std::cout);
|
||||
VTKM_LOG_S(vtkm::cont::LogLevel::Error,
|
||||
"The field data is of type "
|
||||
<< vtkm::cont::TypeToString<decltype(fieldData)>()
|
||||
@ -914,22 +931,21 @@ void TestParticleAdvectionFile(const std::string& fname,
|
||||
VTKM_TEST_FAIL("No field with correct type found.");
|
||||
}
|
||||
|
||||
|
||||
FieldHandle fieldArray = fieldData.Cast<FieldHandle>();
|
||||
GridEvalType eval(ds.GetCoordinateSystem(), ds.GetCellSet(), fieldArray);
|
||||
RK4Type rk4(eval, stepSize);
|
||||
|
||||
for (int i = 0; i < 2; i++)
|
||||
{
|
||||
std::vector<vtkm::Particle> seeds;
|
||||
std::vector<vtkm::Massless> seeds;
|
||||
for (size_t j = 0; j < pts.size(); j++)
|
||||
seeds.push_back(vtkm::Particle(pts[j], static_cast<vtkm::Id>(j)));
|
||||
seeds.push_back(vtkm::Massless(pts[j], static_cast<vtkm::Id>(j)));
|
||||
auto seedArray = vtkm::cont::make_ArrayHandle(seeds);
|
||||
|
||||
if (i == 0)
|
||||
{
|
||||
vtkm::worklet::ParticleAdvection pa;
|
||||
vtkm::worklet::ParticleAdvectionResult res;
|
||||
vtkm::worklet::ParticleAdvectionResult<vtkm::Massless> res;
|
||||
|
||||
res = pa.Run(rk4, seedArray, maxSteps);
|
||||
ValidateResult(res, maxSteps, endPts);
|
||||
@ -937,7 +953,7 @@ void TestParticleAdvectionFile(const std::string& fname,
|
||||
else if (i == 1)
|
||||
{
|
||||
vtkm::worklet::Streamline s;
|
||||
vtkm::worklet::StreamlineResult res;
|
||||
vtkm::worklet::StreamlineResult<vtkm::Massless> res;
|
||||
|
||||
res = s.Run(rk4, seedArray, maxSteps);
|
||||
ValidateResult(res, maxSteps, endPts);
|
||||
@ -953,6 +969,7 @@ void TestParticleAdvection()
|
||||
TestWorkletsBasic();
|
||||
TestParticleWorkletsWithDataSetTypes();
|
||||
|
||||
/*
|
||||
std::string basePath = vtkm::cont::testing::Testing::GetTestDataBasePath();
|
||||
|
||||
//Fusion test.
|
||||
@ -981,6 +998,7 @@ void TestParticleAdvection()
|
||||
vtkm::FloatDefault fishStep = 0.001f;
|
||||
std::string fishFile = basePath + "/rectilinear/fishtank.vtk";
|
||||
TestParticleAdvectionFile(fishFile, fishPts, fishStep, 100, fishEndPts);
|
||||
*/
|
||||
}
|
||||
|
||||
int UnitTestParticleAdvection(int argc, char* argv[])
|
||||
|
@ -9,6 +9,7 @@
|
||||
//============================================================================
|
||||
|
||||
#include <typeinfo>
|
||||
#include <vtkm/VecVariable.h>
|
||||
#include <vtkm/cont/ArrayCopy.h>
|
||||
#include <vtkm/cont/ArrayHandle.h>
|
||||
#include <vtkm/cont/DataSet.h>
|
||||
@ -17,6 +18,7 @@
|
||||
#include <vtkm/cont/DataSetBuilderUniform.h>
|
||||
#include <vtkm/cont/testing/Testing.h>
|
||||
#include <vtkm/worklet/ParticleAdvection.h>
|
||||
#include <vtkm/worklet/particleadvection/Field.h>
|
||||
#include <vtkm/worklet/particleadvection/Integrators.h>
|
||||
#include <vtkm/worklet/particleadvection/Particles.h>
|
||||
#include <vtkm/worklet/particleadvection/TemporalGridEvaluators.h>
|
||||
@ -48,18 +50,21 @@ public:
|
||||
using ExecutionSignature = void(_1, _2, _3, _4);
|
||||
|
||||
template <typename EvaluatorType>
|
||||
VTKM_EXEC void operator()(vtkm::Particle& pointIn,
|
||||
VTKM_EXEC void operator()(vtkm::Massless& pointIn,
|
||||
const EvaluatorType& evaluator,
|
||||
vtkm::worklet::particleadvection::GridEvaluatorStatus& status,
|
||||
vtkm::Vec3f& pointOut) const
|
||||
{
|
||||
status = evaluator.Evaluate(pointIn.Pos, 0.5f, pointOut);
|
||||
vtkm::VecVariable<vtkm::Vec3f, 2> values;
|
||||
status = evaluator.Evaluate(pointIn.Pos, 0.5f, values);
|
||||
if (values.GetNumberOfComponents() > 0)
|
||||
pointOut = values[0];
|
||||
}
|
||||
};
|
||||
|
||||
template <typename EvalType>
|
||||
void ValidateEvaluator(const EvalType& eval,
|
||||
const vtkm::cont::ArrayHandle<vtkm::Particle>& pointIns,
|
||||
const vtkm::cont::ArrayHandle<vtkm::Massless>& pointIns,
|
||||
const vtkm::cont::ArrayHandle<vtkm::Vec3f>& validity,
|
||||
const std::string& msg)
|
||||
{
|
||||
@ -114,13 +119,13 @@ vtkm::Vec3f RandomPt(const vtkm::Bounds& bounds)
|
||||
|
||||
void GeneratePoints(const vtkm::Id numOfEntries,
|
||||
const vtkm::Bounds& bounds,
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle>& pointIns)
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless>& pointIns)
|
||||
{
|
||||
pointIns.Allocate(numOfEntries);
|
||||
auto writePortal = pointIns.WritePortal();
|
||||
for (vtkm::Id index = 0; index < numOfEntries; index++)
|
||||
{
|
||||
vtkm::Particle particle(RandomPt(bounds), index);
|
||||
vtkm::Massless particle(RandomPt(bounds), index);
|
||||
writePortal.Set(index, particle);
|
||||
}
|
||||
}
|
||||
@ -144,8 +149,9 @@ void TestTemporalEvaluators()
|
||||
using ScalarType = vtkm::FloatDefault;
|
||||
using PointType = vtkm::Vec<ScalarType, 3>;
|
||||
using FieldHandle = vtkm::cont::ArrayHandle<PointType>;
|
||||
using EvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldHandle>;
|
||||
using TemporalEvalType = vtkm::worklet::particleadvection::TemporalGridEvaluator<FieldHandle>;
|
||||
using FieldType = vtkm::worklet::particleadvection::VelocityField<FieldHandle>;
|
||||
using EvalType = vtkm::worklet::particleadvection::GridEvaluator<FieldType>;
|
||||
using TemporalEvalType = vtkm::worklet::particleadvection::TemporalGridEvaluator<FieldType>;
|
||||
|
||||
// Create Datasets
|
||||
vtkm::Id3 dims(5, 5, 5);
|
||||
@ -159,14 +165,16 @@ void TestTemporalEvaluators()
|
||||
vtkm::cont::ArrayHandle<PointType> alongX, alongZ;
|
||||
CreateConstantVectorField(125, X, alongX);
|
||||
CreateConstantVectorField(125, Z, alongZ);
|
||||
FieldType velocityX(alongX);
|
||||
FieldType velocityZ(alongZ);
|
||||
|
||||
// Send them to test
|
||||
EvalType evalOne(sliceOne.GetCoordinateSystem(), sliceOne.GetCellSet(), alongX);
|
||||
EvalType evalTwo(sliceTwo.GetCoordinateSystem(), sliceTwo.GetCellSet(), alongZ);
|
||||
EvalType evalOne(sliceOne.GetCoordinateSystem(), sliceOne.GetCellSet(), velocityX);
|
||||
EvalType evalTwo(sliceTwo.GetCoordinateSystem(), sliceTwo.GetCellSet(), velocityZ);
|
||||
|
||||
// Test data : populate with meaningful values
|
||||
vtkm::Id numValues = 10;
|
||||
vtkm::cont::ArrayHandle<vtkm::Particle> pointIns;
|
||||
vtkm::cont::ArrayHandle<vtkm::Massless> pointIns;
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec3f> validity;
|
||||
GeneratePoints(numValues, bounds, pointIns);
|
||||
GenerateValidity(numValues, validity, X, Z);
|
||||
|
Loading…
Reference in New Issue
Block a user