mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-06 10:29:00 +00:00
bddad9b386
Now that the dispatcher does its own TryExecute, filters do not need to do that. This change requires all worklets called by filters to be able to execute without knowing the device a priori.
225 lines
6.3 KiB
C++
225 lines
6.3 KiB
C++
//============================================================================
|
|
// 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.
|
|
//
|
|
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
|
|
// Copyright 2014 UT-Battelle, LLC.
|
|
// Copyright 2014 Los Alamos National Security.
|
|
//
|
|
// Under the terms of Contract DE-NA0003525 with NTESS,
|
|
// the U.S. Government retains certain rights in this software.
|
|
//
|
|
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
|
|
// Laboratory (LANL), the U.S. Government retains certain rights in
|
|
// this software.
|
|
//============================================================================
|
|
|
|
#ifndef vtk_m_worklet_CoordinateSystemTransform_h
|
|
#define vtk_m_worklet_CoordinateSystemTransform_h
|
|
|
|
#include <vtkm/Math.h>
|
|
#include <vtkm/Matrix.h>
|
|
#include <vtkm/Transform3D.h>
|
|
#include <vtkm/VectorAnalysis.h>
|
|
#include <vtkm/worklet/DispatcherMapField.h>
|
|
#include <vtkm/worklet/WorkletMapField.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
namespace detail
|
|
{
|
|
template <typename T>
|
|
struct CylToCar : public vtkm::worklet::WorkletMapField
|
|
{
|
|
using ControlSignature = void(FieldIn<Vec3>, FieldOut<Vec3>);
|
|
using ExecutionSignature = _2(_1);
|
|
|
|
//Functor
|
|
VTKM_EXEC vtkm::Vec<T, 3> operator()(const vtkm::Vec<T, 3>& vec) const
|
|
{
|
|
vtkm::Vec<T, 3> res(vec[0] * static_cast<T>(vtkm::Cos(vec[1])),
|
|
vec[0] * static_cast<T>(vtkm::Sin(vec[1])),
|
|
vec[2]);
|
|
return res;
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
struct CarToCyl : public vtkm::worklet::WorkletMapField
|
|
{
|
|
using ControlSignature = void(FieldIn<Vec3>, FieldOut<Vec3>);
|
|
using ExecutionSignature = _2(_1);
|
|
|
|
//Functor
|
|
VTKM_EXEC vtkm::Vec<T, 3> operator()(const vtkm::Vec<T, 3>& vec) const
|
|
{
|
|
T R = vtkm::Sqrt(vec[0] * vec[0] + vec[1] * vec[1]);
|
|
T Theta = 0;
|
|
|
|
if (vec[0] == 0 && vec[1] == 0)
|
|
Theta = 0;
|
|
else if (vec[0] < 0)
|
|
Theta = -vtkm::ASin(vec[1] / R) + static_cast<T>(vtkm::Pi());
|
|
else
|
|
Theta = vtkm::ASin(vec[1] / R);
|
|
|
|
vtkm::Vec<T, 3> res(R, Theta, vec[2]);
|
|
return res;
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
struct SphereToCar : public vtkm::worklet::WorkletMapField
|
|
{
|
|
using ControlSignature = void(FieldIn<Vec3>, FieldOut<Vec3>);
|
|
using ExecutionSignature = _2(_1);
|
|
|
|
//Functor
|
|
VTKM_EXEC vtkm::Vec<T, 3> operator()(const vtkm::Vec<T, 3>& vec) const
|
|
{
|
|
T R = vec[0];
|
|
T Theta = vec[1];
|
|
T Phi = vec[2];
|
|
|
|
T sinTheta = static_cast<T>(vtkm::Sin(Theta));
|
|
T cosTheta = static_cast<T>(vtkm::Cos(Theta));
|
|
T sinPhi = static_cast<T>(vtkm::Sin(Phi));
|
|
T cosPhi = static_cast<T>(vtkm::Cos(Phi));
|
|
|
|
T x = R * sinTheta * cosPhi;
|
|
T y = R * sinTheta * sinPhi;
|
|
T z = R * cosTheta;
|
|
|
|
vtkm::Vec<T, 3> r(x, y, z);
|
|
return r;
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
struct CarToSphere : public vtkm::worklet::WorkletMapField
|
|
{
|
|
using ControlSignature = void(FieldIn<Vec3>, FieldOut<Vec3>);
|
|
using ExecutionSignature = _2(_1);
|
|
|
|
//Functor
|
|
VTKM_EXEC vtkm::Vec<T, 3> operator()(const vtkm::Vec<T, 3>& vec) const
|
|
{
|
|
T R = vtkm::Sqrt(vtkm::Dot(vec, vec));
|
|
T Theta = 0;
|
|
if (R > 0)
|
|
Theta = vtkm::ACos(vec[2] / R);
|
|
T Phi = vtkm::ATan2(vec[1], vec[0]);
|
|
if (Phi < 0)
|
|
Phi += static_cast<T>(vtkm::TwoPi());
|
|
|
|
return vtkm::Vec<T, 3>(R, Theta, Phi);
|
|
}
|
|
};
|
|
};
|
|
|
|
class CylindricalCoordinateTransform
|
|
{
|
|
public:
|
|
VTKM_CONT
|
|
CylindricalCoordinateTransform()
|
|
: cartesianToCylindrical(true)
|
|
{
|
|
}
|
|
|
|
VTKM_CONT void SetCartesianToCylindrical() { cartesianToCylindrical = true; }
|
|
VTKM_CONT void SetCylindricalToCartesian() { cartesianToCylindrical = false; }
|
|
|
|
template <typename T, typename InStorageType, typename OutStorageType>
|
|
void Run(const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, InStorageType>& inPoints,
|
|
vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, OutStorageType>& outPoints) const
|
|
{
|
|
if (cartesianToCylindrical)
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::CarToCyl<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
else
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::CylToCar<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
}
|
|
|
|
template <typename T, typename CoordsStorageType>
|
|
void Run(const vtkm::cont::CoordinateSystem& inPoints,
|
|
vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, CoordsStorageType>& outPoints) const
|
|
{
|
|
if (cartesianToCylindrical)
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::CarToCyl<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
else
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::CylToCar<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
}
|
|
|
|
private:
|
|
bool cartesianToCylindrical;
|
|
};
|
|
|
|
class SphericalCoordinateTransform
|
|
{
|
|
public:
|
|
VTKM_CONT
|
|
SphericalCoordinateTransform()
|
|
: CartesianToSpherical(true)
|
|
{
|
|
}
|
|
|
|
VTKM_CONT void SetCartesianToSpherical() { CartesianToSpherical = true; }
|
|
VTKM_CONT void SetSphericalToCartesian() { CartesianToSpherical = false; }
|
|
|
|
template <typename T, typename InStorageType, typename OutStorageType>
|
|
void Run(const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, InStorageType>& inPoints,
|
|
vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, OutStorageType>& outPoints) const
|
|
{
|
|
if (CartesianToSpherical)
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::CarToSphere<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
else
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::SphereToCar<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
}
|
|
|
|
template <typename T, typename CoordsStorageType>
|
|
void Run(const vtkm::cont::CoordinateSystem& inPoints,
|
|
vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, CoordsStorageType>& outPoints) const
|
|
{
|
|
if (CartesianToSpherical)
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::CarToSphere<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
else
|
|
{
|
|
vtkm::worklet::DispatcherMapField<detail::SphereToCar<T>> dispatcher;
|
|
dispatcher.Invoke(inPoints, outPoints);
|
|
}
|
|
}
|
|
|
|
private:
|
|
bool CartesianToSpherical;
|
|
};
|
|
}
|
|
} // namespace vtkm::worklet
|
|
|
|
#endif // vtk_m_worklet_CoordinateSystemTransform_h
|