mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
Make PointLocatorUniformGrid default constructible
plus some style changes to match VTK-m style.
This commit is contained in:
parent
163b694b9d
commit
178da6c0dc
@ -34,41 +34,51 @@ class PointLocator : public vtkm::cont::ExecutionObjectBase
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{
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public:
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PointLocator()
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: dirty(true)
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: Modified(true)
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{
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}
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vtkm::cont::CoordinateSystem GetCoordinates() const { return Coords; }
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vtkm::cont::CoordinateSystem GetCoordinates() const { return this->Coords; }
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void SetCoordinates(const vtkm::cont::CoordinateSystem& coords)
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{
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Coords = coords;
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dirty = true;
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this->Coords = coords;
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this->SetModified();
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}
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virtual void Build() = 0;
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void Update()
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{
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if (dirty)
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Build();
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dirty = false;
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}
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template <typename DeviceAdapter>
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VTKM_CONT const vtkm::exec::PointLocator* PrepareForExecution(DeviceAdapter device) const
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if (this->Modified)
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{
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return PrepareForExecutionImpl(device).PrepareForExecution(device);
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Build();
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this->Modified = false;
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}
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}
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using HandleType = vtkm::cont::VirtualObjectHandle<vtkm::exec::PointLocator>;
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VTKM_CONT virtual const HandleType PrepareForExecutionImpl(
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VTKM_CONT const vtkm::exec::PointLocator* PrepareForExecution(
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vtkm::cont::DeviceAdapterId device) const
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{
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this->PrepareExecutionObject(this->ExecutionObjectHandle, device);
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return this->ExecutionObjectHandle.PrepareForExecution(device);
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}
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protected:
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void SetModified() { this->Modified = true; }
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bool GetModified() const { return this->Modified; }
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virtual void Build() = 0;
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using ExecutionObjectHandleType = vtkm::cont::VirtualObjectHandle<vtkm::exec::PointLocator>;
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VTKM_CONT virtual void PrepareExecutionObject(ExecutionObjectHandleType& execObjHandle,
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vtkm::cont::DeviceAdapterId deviceId) const = 0;
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private:
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vtkm::cont::CoordinateSystem Coords;
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bool Modified;
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bool dirty;
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mutable ExecutionObjectHandleType ExecutionObjectHandle;
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};
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}
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}
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@ -33,33 +33,26 @@ namespace vtkm
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{
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namespace cont
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{
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class PointLocatorUniformGrid : public vtkm::cont::PointLocator
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namespace internal
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{
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namespace point_locator_uniform_grid
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{
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class BinPointsWorklet : public vtkm::worklet::WorkletMapField
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{
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public:
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PointLocatorUniformGrid(const vtkm::Vec<vtkm::FloatDefault, 3>& _min,
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const vtkm::Vec<vtkm::FloatDefault, 3>& _max,
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const vtkm::Vec<vtkm::Id, 3>& _dims)
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: PointLocator()
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, Min(_min)
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, Max(_max)
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, Dims(_dims)
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{
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}
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class BinPointsWorklet : public vtkm::worklet::WorkletMapField
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{
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public:
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using ControlSignature = void(FieldIn coord, FieldOut label);
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using ExecutionSignature = void(_1, _2);
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VTKM_CONT
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BinPointsWorklet(vtkm::Vec<vtkm::FloatDefault, 3> _min,
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vtkm::Vec<vtkm::FloatDefault, 3> _max,
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vtkm::Vec<vtkm::Id, 3> _dims)
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: Min(_min)
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, Dims(_dims)
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, Dxdydz((_max - Min) / Dims)
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BinPointsWorklet(vtkm::Vec<vtkm::FloatDefault, 3> min,
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vtkm::Vec<vtkm::FloatDefault, 3> max,
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vtkm::Vec<vtkm::Id, 3> dims)
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: Min(min)
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, Dims(dims)
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, Dxdydz((max - Min) / Dims)
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{
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}
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@ -70,86 +63,141 @@ public:
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label = ijk[0] + ijk[1] * Dims[0] + ijk[2] * Dims[0] * Dims[1];
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}
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private:
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private:
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vtkm::Vec<vtkm::FloatDefault, 3> Min;
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vtkm::Vec<vtkm::Id, 3> Dims;
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vtkm::Vec<vtkm::FloatDefault, 3> Dxdydz;
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};
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};
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}
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} // internal::point_locator_uniform_grid
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class PointLocatorUniformGrid : public vtkm::cont::PointLocator
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{
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public:
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using RangeType = vtkm::Vec<vtkm::Range, 3>;
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PointLocatorUniformGrid() = default;
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void SetRange(const RangeType& range)
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{
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if (this->Range != range)
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{
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this->Range = range;
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this->SetModified();
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}
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}
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const RangeType& GetRange() const { return this->Range; }
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void SetComputeRangeFromCoordinates()
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{
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if (!this->IsRangeInvalid())
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{
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this->Range = { { 0.0, -1.0 } };
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this->SetModified();
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}
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}
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void SetNumberOfBins(const vtkm::Id3& bins)
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{
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if (this->Dims != bins)
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{
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this->Dims = bins;
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this->SetModified();
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}
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}
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const vtkm::Id3& GetNumberOfBins() const { return this->Dims; }
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protected:
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void Build() override
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{
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// Save training data points.
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vtkm::cont::ArrayCopy(this->GetCoordinates().GetData(), this->coords);
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if (this->IsRangeInvalid())
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{
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this->Range = this->GetCoordinates().GetRange();
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}
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auto rmin = vtkm::make_Vec(static_cast<vtkm::FloatDefault>(this->Range[0].Min),
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static_cast<vtkm::FloatDefault>(this->Range[1].Min),
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static_cast<vtkm::FloatDefault>(this->Range[2].Min));
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auto rmax = vtkm::make_Vec(static_cast<vtkm::FloatDefault>(this->Range[0].Max),
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static_cast<vtkm::FloatDefault>(this->Range[1].Max),
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static_cast<vtkm::FloatDefault>(this->Range[2].Max));
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// generate unique id for each input point
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vtkm::cont::ArrayHandleCounting<vtkm::Id> pointCounting(0, 1, this->coords.GetNumberOfValues());
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vtkm::cont::ArrayCopy(pointCounting, this->pointIds);
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vtkm::cont::ArrayHandleCounting<vtkm::Id> pointCounting(
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0, 1, this->GetCoordinates().GetNumberOfValues());
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vtkm::cont::ArrayCopy(pointCounting, this->PointIds);
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using internal::point_locator_uniform_grid::BinPointsWorklet;
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// bin points into cells and give each of them the cell id.
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BinPointsWorklet cellIdWorklet(this->Min, this->Max, this->Dims);
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vtkm::cont::ArrayHandle<vtkm::Id> cellIds;
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BinPointsWorklet cellIdWorklet(rmin, rmax, this->Dims);
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vtkm::worklet::DispatcherMapField<BinPointsWorklet> dispatchCellId(cellIdWorklet);
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dispatchCellId.Invoke(this->coords, this->cellIds);
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dispatchCellId.Invoke(this->GetCoordinates(), cellIds);
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// Group points of the same cell together by sorting them according to the cell ids
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vtkm::cont::Algorithm::SortByKey(this->cellIds, this->pointIds);
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vtkm::cont::Algorithm::SortByKey(cellIds, this->PointIds);
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// for each cell, find the lower and upper bound of indices to the sorted point ids.
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vtkm::cont::ArrayHandleCounting<vtkm::Id> cell_ids_counting(
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0, 1, this->Dims[0] * this->Dims[1] * this->Dims[2]);
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vtkm::cont::Algorithm::UpperBounds(this->cellIds, cell_ids_counting, this->cellUpper);
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vtkm::cont::Algorithm::LowerBounds(this->cellIds, cell_ids_counting, this->cellLower);
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vtkm::cont::Algorithm::UpperBounds(cellIds, cell_ids_counting, this->CellUpper);
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vtkm::cont::Algorithm::LowerBounds(cellIds, cell_ids_counting, this->CellLower);
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}
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using HandleType = vtkm::cont::VirtualObjectHandle<vtkm::exec::PointLocator>;
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struct PrepareForExecutionFunctor
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struct PrepareExecutionObjectFunctor
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{
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template <typename DeviceAdapter>
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VTKM_CONT bool operator()(DeviceAdapter,
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const vtkm::cont::PointLocatorUniformGrid& self,
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HandleType& handle) const
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ExecutionObjectHandleType& handle) const
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{
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auto rmin = vtkm::make_Vec(static_cast<vtkm::FloatDefault>(self.Range[0].Min),
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static_cast<vtkm::FloatDefault>(self.Range[1].Min),
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static_cast<vtkm::FloatDefault>(self.Range[2].Min));
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auto rmax = vtkm::make_Vec(static_cast<vtkm::FloatDefault>(self.Range[0].Max),
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static_cast<vtkm::FloatDefault>(self.Range[1].Max),
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static_cast<vtkm::FloatDefault>(self.Range[2].Max));
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vtkm::exec::PointLocatorUniformGrid<DeviceAdapter>* h =
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new vtkm::exec::PointLocatorUniformGrid<DeviceAdapter>(
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self.Min,
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self.Max,
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rmin,
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rmax,
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self.Dims,
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self.coords.PrepareForInput(DeviceAdapter()),
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self.pointIds.PrepareForInput(DeviceAdapter()),
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self.cellLower.PrepareForInput(DeviceAdapter()),
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self.cellUpper.PrepareForInput(DeviceAdapter()));
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self.GetCoordinates().GetData().PrepareForInput(DeviceAdapter()),
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self.PointIds.PrepareForInput(DeviceAdapter()),
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self.CellLower.PrepareForInput(DeviceAdapter()),
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self.CellUpper.PrepareForInput(DeviceAdapter()));
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handle.Reset(h);
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return true;
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}
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};
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VTKM_CONT
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const HandleType PrepareForExecutionImpl(vtkm::cont::DeviceAdapterId deviceId) const override
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VTKM_CONT void PrepareExecutionObject(ExecutionObjectHandleType& execObjHandle,
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vtkm::cont::DeviceAdapterId deviceId) const override
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{
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const bool success =
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vtkm::cont::TryExecuteOnDevice(deviceId, PrepareForExecutionFunctor(), *this, ExecHandle);
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const bool success = vtkm::cont::TryExecuteOnDevice(
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deviceId, PrepareExecutionObjectFunctor(), *this, execObjHandle);
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if (!success)
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{
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throwFailedRuntimeDeviceTransfer("PointLocatorUniformGrid", deviceId);
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}
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return ExecHandle;
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}
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bool IsRangeInvalid() const
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{
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return (this->Range[0].Max < this->Range[0].Min) || (this->Range[1].Max < this->Range[1].Min) ||
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(this->Range[2].Max < this->Range[2].Min);
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}
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private:
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vtkm::Vec<vtkm::FloatDefault, 3> Min;
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vtkm::Vec<vtkm::FloatDefault, 3> Max;
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vtkm::Vec<vtkm::Id, 3> Dims;
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RangeType Range = { { 0.0, -1.0 } };
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vtkm::Id3 Dims = { 32 };
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// TODO: how to convert CoordinateSystem to ArrayHandle<Vec<Float, 3>>?
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::FloatDefault, 3>> coords;
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vtkm::cont::ArrayHandle<vtkm::Id> pointIds;
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vtkm::cont::ArrayHandle<vtkm::Id> cellIds;
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vtkm::cont::ArrayHandle<vtkm::Id> cellLower;
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vtkm::cont::ArrayHandle<vtkm::Id> cellUpper;
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// TODO: std::unique_ptr/std::shared_ptr?
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mutable HandleType ExecHandle;
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vtkm::cont::ArrayHandle<vtkm::Id> PointIds;
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vtkm::cont::ArrayHandle<vtkm::Id> CellLower;
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vtkm::cont::ArrayHandle<vtkm::Id> CellUpper;
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};
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}
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}
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@ -21,8 +21,6 @@
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#ifndef vtk_m_cont_testing_TestingPointLocatorUniformGrid_h
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#define vtk_m_cont_testing_TestingPointLocatorUniformGrid_h
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//#define VTKM_DEVICE_ADAPTER VTKM_DEVICE_ADAPTER_SERIAL
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#include <random>
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#include <vtkm/cont/testing/Testing.h>
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@ -124,13 +122,13 @@ public:
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vtkm::cont::CoordinateSystem coord("points", coordi_Handle);
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// TODO: locator needs to be a pointer to have runtime polymorphism.
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//vtkm::cont::PointLocator * locator = new vtkm::cont::PointLocatorUniformGrid(
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// { 0.0f, 0.0f, 0.0f }, { 10.0f, 10.0f, 10.0f }, { 5, 5, 5 });
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vtkm::cont::PointLocatorUniformGrid locator(
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{ 0.0f, 0.0f, 0.0f }, { 10.0f, 10.0f, 10.0f }, { 5, 5, 5 });
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locator.SetCoordinates(coord);
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locator.Update();
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vtkm::cont::PointLocatorUniformGrid pointLocatorUG;
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pointLocatorUG.SetCoordinates(coord);
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pointLocatorUG.SetRange({ { 0.0, 10.0 } });
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pointLocatorUG.SetNumberOfBins({ 5, 5, 5 });
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vtkm::cont::PointLocator* locator = &pointLocatorUG;
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locator->Update();
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///// randomly generate testing points/////
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std::vector<vtkm::Vec<vtkm::Float32, 3>> qcVec;
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@ -20,7 +20,6 @@
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#ifndef vtk_m_exec_PointLocatorUniformGrid_h
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#define vtk_m_exec_PointLocatorUniformGrid_h
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#include <vtkm/cont/ArrayHandleCounting.h>
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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@ -35,35 +34,33 @@ namespace vtkm
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namespace exec
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{
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// TODO: remove template T
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template <typename DeviceAdapter>
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class PointLocatorUniformGrid : public vtkm::exec::PointLocator
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{
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public:
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// TODO: figure hout how to parametize/passing DeviceAdapter.
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//using DeviceAdapter = vtkm::cont::DeviceAdapterTagSerial;
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using CoordPortalType = typename vtkm::cont::ArrayHandle<
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vtkm::Vec<vtkm::FloatDefault, 3>>::template ExecutionTypes<DeviceAdapter>::PortalConst;
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using CoordPortalType =
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typename vtkm::cont::ArrayHandleVirtualCoordinates::template ExecutionTypes<
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DeviceAdapter>::PortalConst;
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using IdPortalType =
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typename vtkm::cont::ArrayHandle<vtkm::Id>::template ExecutionTypes<DeviceAdapter>::PortalConst;
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PointLocatorUniformGrid() = default;
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PointLocatorUniformGrid(const vtkm::Vec<vtkm::FloatDefault, 3>& _min,
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const vtkm::Vec<vtkm::FloatDefault, 3>& _max,
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const vtkm::Vec<vtkm::Id, 3>& _dims,
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const CoordPortalType& _coords,
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const IdPortalType& _pointIds,
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const IdPortalType& _cellLower,
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const IdPortalType& _cellUpper)
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: Min(_min)
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, Dims(_dims)
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, Dxdydz((_max - Min) / Dims)
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, coords(_coords)
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, pointIds(_pointIds)
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, cellLower(_cellLower)
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, cellUpper(_cellUpper)
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PointLocatorUniformGrid(const vtkm::Vec<vtkm::FloatDefault, 3>& min,
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const vtkm::Vec<vtkm::FloatDefault, 3>& max,
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const vtkm::Vec<vtkm::Id, 3>& dims,
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const CoordPortalType& coords,
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const IdPortalType& pointIds,
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const IdPortalType& cellLower,
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const IdPortalType& cellUpper)
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: Min(min)
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, Dims(dims)
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, Dxdydz((max - Min) / Dims)
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, Coords(coords)
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, PointIds(pointIds)
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, CellLower(cellLower)
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, CellUpper(cellUpper)
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{
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}
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@ -82,7 +79,7 @@ public:
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vtkm::FloatDefault& distance2) const override
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{
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//std::cout << "FindNeareastNeighbor: " << queryPoint << std::endl;
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vtkm::Id3 ijk = (queryPoint - Min) / this->Dxdydz;
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vtkm::Id3 ijk = (queryPoint - this->Min) / this->Dxdydz;
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ijk = vtkm::Max(ijk, vtkm::Id3(0));
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ijk = vtkm::Min(ijk, this->Dims - vtkm::Id3(1));
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@ -104,12 +101,11 @@ private:
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vtkm::Vec<vtkm::Id, 3> Dims;
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vtkm::Vec<vtkm::FloatDefault, 3> Dxdydz;
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CoordPortalType coords;
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CoordPortalType Coords;
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IdPortalType pointIds;
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IdPortalType cellIds;
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IdPortalType cellLower;
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IdPortalType cellUpper;
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IdPortalType PointIds;
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IdPortalType CellLower;
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IdPortalType CellUpper;
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VTKM_EXEC void FindInCell(const vtkm::Vec<vtkm::FloatDefault, 3>& queryPoint,
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const vtkm::Id3& ijk,
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@ -117,12 +113,12 @@ private:
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vtkm::FloatDefault& nearestDistance2) const
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{
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vtkm::Id cellId = ijk[0] + (ijk[1] * this->Dims[0]) + (ijk[2] * this->Dims[0] * this->Dims[1]);
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vtkm::Id lower = cellLower.Get(cellId);
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vtkm::Id upper = cellUpper.Get(cellId);
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vtkm::Id lower = this->CellLower.Get(cellId);
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vtkm::Id upper = this->CellUpper.Get(cellId);
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for (vtkm::Id index = lower; index < upper; index++)
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{
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vtkm::Id pointid = pointIds.Get(index);
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vtkm::Vec<vtkm::FloatDefault, 3> point = coords.Get(pointid);
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vtkm::Id pointid = this->PointIds.Get(index);
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vtkm::Vec<vtkm::FloatDefault, 3> point = this->Coords.Get(pointid);
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vtkm::FloatDefault distance2 = vtkm::MagnitudeSquared(point - queryPoint);
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if (distance2 < nearestDistance2)
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{
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