04edc3d202
Cell operations like interpolate and finding parametric coordinates can fail under certain conditions. Typically these call RaiseError on the worklet. But that can make a worklet unstable, so provide paths where no error is raised.
678 lines
26 KiB
C++
678 lines
26 KiB
C++
//============================================================================
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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_exec_ParametricCoordinates_h
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#define vtk_m_exec_ParametricCoordinates_h
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#include <vtkm/Assert.h>
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#include <vtkm/CellShape.h>
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#include <vtkm/VecAxisAlignedPointCoordinates.h>
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#include <vtkm/exec/CellInterpolate.h>
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#include <vtkm/exec/FunctorBase.h>
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#include <vtkm/exec/internal/FastVec.h>
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#include <vtkm/internal/Assume.h>
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#include <lcl/lcl.h>
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namespace vtkm
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{
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namespace exec
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{
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//-----------------------------------------------------------------------------
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template <typename ParametricCoordType, typename CellShapeTag>
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static inline VTKM_EXEC void ParametricCoordinatesCenter(vtkm::IdComponent numPoints,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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CellShapeTag,
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const vtkm::exec::FunctorBase* = nullptr)
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{
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auto lclTag = typename vtkm::internal::CellShapeTagVtkmToVtkc<CellShapeTag>::Type{};
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(void)numPoints; // Silence compiler warnings.
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VTKM_ASSERT(numPoints == lclTag.numberOfPoints());
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pcoords = vtkm::TypeTraits<vtkm::Vec<ParametricCoordType, 3>>::ZeroInitialization();
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lcl::parametricCenter(lclTag, pcoords);
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesCenter(vtkm::IdComponent numPoints,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagEmpty,
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const vtkm::exec::FunctorBase* = nullptr)
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{
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(void)numPoints; // Silence compiler warnings.
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VTKM_ASSERT(numPoints == 0);
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pcoords = vtkm::TypeTraits<vtkm::Vec<ParametricCoordType, 3>>::ZeroInitialization();
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesCenter(vtkm::IdComponent numPoints,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagVertex,
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const vtkm::exec::FunctorBase* = nullptr)
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{
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(void)numPoints; // Silence compiler warnings.
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VTKM_ASSERT(numPoints == 1);
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pcoords = vtkm::TypeTraits<vtkm::Vec<ParametricCoordType, 3>>::ZeroInitialization();
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesCenter(
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vtkm::IdComponent numPoints,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagPolyLine,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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switch (numPoints)
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{
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case 1:
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ParametricCoordinatesCenter(numPoints, pcoords, vtkm::CellShapeTagVertex(), worklet);
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return;
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case 2:
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ParametricCoordinatesCenter(numPoints, pcoords, vtkm::CellShapeTagLine(), worklet);
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return;
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}
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pcoords[0] = 0.5;
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pcoords[1] = 0;
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pcoords[2] = 0;
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesCenter(
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vtkm::IdComponent numPoints,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagPolygon,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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VTKM_ASSERT(numPoints > 0);
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switch (numPoints)
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{
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case 1:
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ParametricCoordinatesCenter(numPoints, pcoords, vtkm::CellShapeTagVertex(), worklet);
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break;
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case 2:
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ParametricCoordinatesCenter(numPoints, pcoords, vtkm::CellShapeTagLine(), worklet);
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break;
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default:
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pcoords = vtkm::TypeTraits<vtkm::Vec<ParametricCoordType, 3>>::ZeroInitialization();
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lcl::parametricCenter(lcl::Polygon(numPoints), pcoords);
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break;
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}
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}
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//-----------------------------------------------------------------------------
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/// Returns the parametric center of the given cell shape with the given number
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/// of points.
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///
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesCenter(
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vtkm::IdComponent numPoints,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagGeneric shape,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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switch (shape.Id)
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{
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vtkmGenericCellShapeMacro(
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ParametricCoordinatesCenter(numPoints, pcoords, CellShapeTag(), worklet));
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default:
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if (worklet)
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{
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worklet->RaiseError("Bad shape given to ParametricCoordinatesCenter.");
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}
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pcoords[0] = pcoords[1] = pcoords[2] = 0;
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break;
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}
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}
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template <typename ParametricCoordType, typename CellShapeTag>
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static inline VTKM_EXEC void ParametricCoordinatesCenter(vtkm::IdComponent numPoints,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase& worklet)
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{
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ParametricCoordinatesCenter(numPoints, pcoords, shape, &worklet);
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}
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/// Returns the parametric center of the given cell shape with the given number
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/// of points.
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///
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template <typename CellShapeTag>
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static inline VTKM_EXEC vtkm::Vec3f ParametricCoordinatesCenter(
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vtkm::IdComponent numPoints,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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vtkm::Vec3f pcoords(0.0f);
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ParametricCoordinatesCenter(numPoints, pcoords, shape, worklet);
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return pcoords;
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}
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template <typename CellShapeTag>
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static inline VTKM_EXEC vtkm::Vec3f ParametricCoordinatesCenter(
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vtkm::IdComponent numPoints,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase& worklet)
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{
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return ParametricCoordinatesCenter(numPoints, shape, &worklet);
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}
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//-----------------------------------------------------------------------------
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template <typename ParametricCoordType, typename CellShapeTag>
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static inline VTKM_EXEC void ParametricCoordinatesPoint(vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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CellShapeTag,
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const vtkm::exec::FunctorBase* = nullptr)
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{
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auto lclTag = typename vtkm::internal::CellShapeTagVtkmToVtkc<CellShapeTag>::Type{};
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(void)numPoints; // Silence compiler warnings.
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VTKM_ASSUME(numPoints == lclTag.numberOfPoints());
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VTKM_ASSUME((pointIndex >= 0) && (pointIndex < numPoints));
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pcoords = vtkm::TypeTraits<vtkm::Vec<ParametricCoordType, 3>>::ZeroInitialization();
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lcl::parametricPoint(lclTag, pointIndex, pcoords);
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesPoint(
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vtkm::IdComponent,
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vtkm::IdComponent,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagEmpty,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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if (worklet)
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{
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worklet->RaiseError("Empty cell has no points.");
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}
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pcoords[0] = pcoords[1] = pcoords[2] = 0;
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesPoint(vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagVertex,
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const vtkm::exec::FunctorBase* = nullptr)
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{
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(void)numPoints; // Silence compiler warnings.
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(void)pointIndex; // Silence compiler warnings.
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VTKM_ASSUME(numPoints == 1);
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VTKM_ASSUME(pointIndex == 0);
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pcoords = vtkm::TypeTraits<vtkm::Vec<ParametricCoordType, 3>>::ZeroInitialization();
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesPoint(
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vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagPolyLine,
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const vtkm::exec::FunctorBase* functor = nullptr)
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{
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switch (numPoints)
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{
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case 1:
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ParametricCoordinatesPoint(
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numPoints, pointIndex, pcoords, vtkm::CellShapeTagVertex(), functor);
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return;
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case 2:
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ParametricCoordinatesPoint(numPoints, pointIndex, pcoords, vtkm::CellShapeTagLine(), functor);
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return;
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}
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pcoords[0] =
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static_cast<ParametricCoordType>(pointIndex) / static_cast<ParametricCoordType>(numPoints - 1);
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pcoords[1] = 0;
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pcoords[2] = 0;
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}
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesPoint(
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vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagPolygon,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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VTKM_ASSUME((numPoints > 0));
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VTKM_ASSUME((pointIndex >= 0) && (pointIndex < numPoints));
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switch (numPoints)
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{
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case 1:
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ParametricCoordinatesPoint(
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numPoints, pointIndex, pcoords, vtkm::CellShapeTagVertex(), worklet);
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return;
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case 2:
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ParametricCoordinatesPoint(numPoints, pointIndex, pcoords, vtkm::CellShapeTagLine(), worklet);
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return;
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default:
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pcoords = vtkm::TypeTraits<vtkm::Vec<ParametricCoordType, 3>>::ZeroInitialization();
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lcl::parametricPoint(lcl::Polygon(numPoints), pointIndex, pcoords);
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return;
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}
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}
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//-----------------------------------------------------------------------------
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/// Returns the parametric coordinate of a cell point of the given shape with
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/// the given number of points.
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///
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template <typename ParametricCoordType>
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static inline VTKM_EXEC void ParametricCoordinatesPoint(
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vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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vtkm::CellShapeTagGeneric shape,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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switch (shape.Id)
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{
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vtkmGenericCellShapeMacro(
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ParametricCoordinatesPoint(numPoints, pointIndex, pcoords, CellShapeTag(), worklet));
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default:
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if (worklet)
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{
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worklet->RaiseError("Bad shape given to ParametricCoordinatesPoint.");
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}
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pcoords[0] = pcoords[1] = pcoords[2] = 0;
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break;
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}
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}
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template <typename ParametricCoordType, typename CellShapeTag>
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static inline VTKM_EXEC void ParametricCoordinatesPoint(vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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vtkm::Vec<ParametricCoordType, 3>& pcoords,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase& worklet)
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{
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ParametricCoordinatesPoint(numPoints, pointIndex, pcoords, shape, &worklet);
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}
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/// Returns the parametric coordinate of a cell point of the given shape with
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/// the given number of points.
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///
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template <typename CellShapeTag>
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static inline VTKM_EXEC vtkm::Vec3f ParametricCoordinatesPoint(
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vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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vtkm::Vec3f pcoords(0.0f);
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ParametricCoordinatesPoint(numPoints, pointIndex, pcoords, shape, worklet);
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return pcoords;
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}
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template <typename CellShapeTag>
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static inline VTKM_EXEC vtkm::Vec3f ParametricCoordinatesPoint(
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vtkm::IdComponent numPoints,
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vtkm::IdComponent pointIndex,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase& worklet)
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{
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return ParametricCoordinatesPoint(numPoints, pointIndex, shape, &worklet);
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}
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//-----------------------------------------------------------------------------
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namespace internal
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{
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template <typename LclCellShapeTag, typename WorldCoordVector, typename PCoordType>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinatesImpl(LclCellShapeTag tag,
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const WorldCoordVector& pointWCoords,
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const PCoordType& pcoords,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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typename WorldCoordVector::ComponentType wcoords(0);
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auto status =
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lcl::parametricToWorld(tag, lcl::makeFieldAccessorNestedSOA(pointWCoords, 3), pcoords, wcoords);
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if ((status != lcl::ErrorCode::SUCCESS) && (worklet != nullptr))
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{
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worklet->RaiseError(lcl::errorString(status));
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}
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return wcoords;
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}
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} // namespace internal
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template <typename WorldCoordVector, typename PCoordType, typename CellShapeTag>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const WorldCoordVector& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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auto numPoints = pointWCoords.GetNumberOfComponents();
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return internal::ParametricCoordinatesToWorldCoordinatesImpl(
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vtkm::internal::make_LclCellShapeTag(shape, numPoints), pointWCoords, pcoords, worklet);
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}
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template <typename WorldCoordVector, typename PCoordType>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const WorldCoordVector& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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vtkm::CellShapeTagEmpty empty,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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return vtkm::exec::CellInterpolate(pointWCoords, pcoords, empty, worklet);
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}
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template <typename WorldCoordVector, typename PCoordType>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const WorldCoordVector& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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vtkm::CellShapeTagPolyLine polyLine,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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return vtkm::exec::CellInterpolate(pointWCoords, pcoords, polyLine, worklet);
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}
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template <typename WorldCoordVector, typename PCoordType>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const WorldCoordVector& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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vtkm::CellShapeTagPolygon,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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auto numPoints = pointWCoords.GetNumberOfComponents();
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switch (numPoints)
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{
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case 1:
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return ParametricCoordinatesToWorldCoordinates(
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pointWCoords, pcoords, vtkm::CellShapeTagVertex{}, worklet);
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case 2:
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return ParametricCoordinatesToWorldCoordinates(
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pointWCoords, pcoords, vtkm::CellShapeTagLine{}, worklet);
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default:
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return internal::ParametricCoordinatesToWorldCoordinatesImpl(
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lcl::Polygon(numPoints), pointWCoords, pcoords, worklet);
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}
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}
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template <typename WorldCoordVector, typename PCoordType>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const vtkm::VecAxisAlignedPointCoordinates<2>& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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vtkm::CellShapeTagQuad,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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return internal::ParametricCoordinatesToWorldCoordinatesImpl(
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lcl::Pixel{}, pointWCoords, pcoords, worklet);
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}
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template <typename WorldCoordVector, typename PCoordType>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const vtkm::VecAxisAlignedPointCoordinates<3>& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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vtkm::CellShapeTagHexahedron,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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return internal::ParametricCoordinatesToWorldCoordinatesImpl(
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lcl::Voxel{}, pointWCoords, pcoords, worklet);
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}
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//-----------------------------------------------------------------------------
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/// Returns the world coordinate corresponding to the given parametric coordinate of a cell.
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///
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template <typename WorldCoordVector, typename PCoordType>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const WorldCoordVector& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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vtkm::CellShapeTagGeneric shape,
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const vtkm::exec::FunctorBase* worklet = nullptr)
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{
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typename WorldCoordVector::ComponentType wcoords(0);
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switch (shape.Id)
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{
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vtkmGenericCellShapeMacro(wcoords = ParametricCoordinatesToWorldCoordinates(
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pointWCoords, pcoords, CellShapeTag(), worklet));
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default:
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if (worklet)
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{
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worklet->RaiseError("Bad shape given to ParametricCoordinatesPoint.");
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}
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break;
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}
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return wcoords;
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}
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template <typename WorldCoordVector, typename PCoordType, typename CellShapeTag>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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ParametricCoordinatesToWorldCoordinates(const WorldCoordVector& pointWCoords,
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const vtkm::Vec<PCoordType, 3>& pcoords,
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CellShapeTag shape,
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const vtkm::exec::FunctorBase& worklet)
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{
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return ParametricCoordinatesToWorldCoordinates(pointWCoords, pcoords, shape, &worklet);
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}
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//-----------------------------------------------------------------------------
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namespace internal
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{
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template <typename VtkcCellShapeTag, typename WorldCoordVector>
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static inline VTKM_EXEC typename WorldCoordVector::ComponentType
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WorldCoordinatesToParametricCoordinatesImpl(VtkcCellShapeTag tag,
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const WorldCoordVector& pointWCoords,
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const typename WorldCoordVector::ComponentType& wcoords,
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bool& success,
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const vtkm::exec::FunctorBase* worklet)
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{
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VTKM_ASSERT(pointWCoords.GetNumberOfComponents() == tag.numberOfPoints());
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auto pcoords = vtkm::TypeTraits<typename WorldCoordVector::ComponentType>::ZeroInitialization();
|
|
auto status =
|
|
lcl::worldToParametric(tag, lcl::makeFieldAccessorNestedSOA(pointWCoords, 3), wcoords, pcoords);
|
|
|
|
success = true;
|
|
if ((status != lcl::ErrorCode::SUCCESS) && (worklet != nullptr))
|
|
{
|
|
worklet->RaiseError(lcl::errorString(status));
|
|
success = false;
|
|
}
|
|
return pcoords;
|
|
}
|
|
|
|
} // namespace internal
|
|
|
|
template <typename WorldCoordVector, typename CellShapeTag>
|
|
static inline VTKM_EXEC typename WorldCoordVector::ComponentType
|
|
WorldCoordinatesToParametricCoordinates(const WorldCoordVector& pointWCoords,
|
|
const typename WorldCoordVector::ComponentType& wcoords,
|
|
CellShapeTag shape,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* worklet = nullptr)
|
|
{
|
|
auto numPoints = pointWCoords.GetNumberOfComponents();
|
|
return internal::WorldCoordinatesToParametricCoordinatesImpl(
|
|
vtkm::internal::make_LclCellShapeTag(shape, numPoints),
|
|
pointWCoords,
|
|
wcoords,
|
|
success,
|
|
worklet);
|
|
}
|
|
|
|
template <typename WorldCoordVector>
|
|
static inline VTKM_EXEC typename WorldCoordVector::ComponentType
|
|
WorldCoordinatesToParametricCoordinates(const WorldCoordVector&,
|
|
const typename WorldCoordVector::ComponentType&,
|
|
vtkm::CellShapeTagEmpty,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* worklet = nullptr)
|
|
{
|
|
if (worklet)
|
|
{
|
|
worklet->RaiseError("Attempted to find point coordinates in empty cell.");
|
|
}
|
|
success = false;
|
|
return typename WorldCoordVector::ComponentType();
|
|
}
|
|
|
|
template <typename WorldCoordVector>
|
|
static inline VTKM_EXEC typename WorldCoordVector::ComponentType
|
|
WorldCoordinatesToParametricCoordinates(const WorldCoordVector& pointWCoords,
|
|
const typename WorldCoordVector::ComponentType&,
|
|
vtkm::CellShapeTagVertex,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* = nullptr)
|
|
{
|
|
(void)pointWCoords; // Silence compiler warnings.
|
|
VTKM_ASSERT(pointWCoords.GetNumberOfComponents() == 1);
|
|
success = true;
|
|
return typename WorldCoordVector::ComponentType(0, 0, 0);
|
|
}
|
|
|
|
template <typename WorldCoordVector>
|
|
static inline VTKM_EXEC typename WorldCoordVector::ComponentType
|
|
WorldCoordinatesToParametricCoordinates(const WorldCoordVector& pointWCoords,
|
|
const typename WorldCoordVector::ComponentType& wcoords,
|
|
vtkm::CellShapeTagPolyLine,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* worklet = nullptr)
|
|
{
|
|
vtkm::IdComponent numPoints = pointWCoords.GetNumberOfComponents();
|
|
VTKM_ASSERT(pointWCoords.GetNumberOfComponents() >= 1);
|
|
|
|
if (numPoints == 1)
|
|
{
|
|
return WorldCoordinatesToParametricCoordinates(
|
|
pointWCoords, wcoords, vtkm::CellShapeTagVertex(), success, worklet);
|
|
}
|
|
|
|
using Vector3 = typename WorldCoordVector::ComponentType;
|
|
using T = typename Vector3::ComponentType;
|
|
|
|
//Find the closest vertex to the point.
|
|
vtkm::IdComponent idx = 0;
|
|
Vector3 vec = pointWCoords[0] - wcoords;
|
|
T minDistSq = vtkm::Dot(vec, vec);
|
|
for (vtkm::IdComponent i = 1; i < numPoints; i++)
|
|
{
|
|
vec = pointWCoords[i] - wcoords;
|
|
T d = vtkm::Dot(vec, vec);
|
|
|
|
if (d < minDistSq)
|
|
{
|
|
idx = i;
|
|
minDistSq = d;
|
|
}
|
|
}
|
|
|
|
//Find the right segment, and the parameterization along that segment.
|
|
//Closest to 0, so segment is (0,1)
|
|
if (idx == 0)
|
|
{
|
|
idx = 1;
|
|
}
|
|
|
|
vtkm::Vec<Vector3, 2> line(pointWCoords[idx - 1], pointWCoords[idx]);
|
|
auto lpc = WorldCoordinatesToParametricCoordinates(
|
|
line, wcoords, vtkm::CellShapeTagLine{}, success, worklet);
|
|
|
|
//Segment param is [0,1] on that segment.
|
|
//Map that onto the param for the entire segment.
|
|
T dParam = static_cast<T>(1) / static_cast<T>(numPoints - 1);
|
|
T polyLineParam = static_cast<T>(idx - 1) * dParam + lpc[0] * dParam;
|
|
|
|
return Vector3(polyLineParam, 0, 0);
|
|
}
|
|
|
|
template <typename WorldCoordVector>
|
|
static inline VTKM_EXEC typename WorldCoordVector::ComponentType
|
|
WorldCoordinatesToParametricCoordinates(const WorldCoordVector& pointWCoords,
|
|
const typename WorldCoordVector::ComponentType& wcoords,
|
|
vtkm::CellShapeTagPolygon,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* worklet = nullptr)
|
|
{
|
|
auto numPoints = pointWCoords.GetNumberOfComponents();
|
|
switch (numPoints)
|
|
{
|
|
case 1:
|
|
return WorldCoordinatesToParametricCoordinates(
|
|
pointWCoords, wcoords, vtkm::CellShapeTagVertex{}, success, worklet);
|
|
case 2:
|
|
return WorldCoordinatesToParametricCoordinates(
|
|
pointWCoords, wcoords, vtkm::CellShapeTagLine{}, success, worklet);
|
|
default:
|
|
return internal::WorldCoordinatesToParametricCoordinatesImpl(
|
|
lcl::Polygon(numPoints), pointWCoords, wcoords, success, worklet);
|
|
}
|
|
}
|
|
|
|
static inline VTKM_EXEC vtkm::Vec3f WorldCoordinatesToParametricCoordinates(
|
|
const vtkm::VecAxisAlignedPointCoordinates<2>& pointWCoords,
|
|
const vtkm::Vec3f& wcoords,
|
|
vtkm::CellShapeTagQuad,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* worklet = nullptr)
|
|
{
|
|
return internal::WorldCoordinatesToParametricCoordinatesImpl(
|
|
lcl::Pixel{}, pointWCoords, wcoords, success, worklet);
|
|
}
|
|
|
|
static inline VTKM_EXEC vtkm::Vec3f WorldCoordinatesToParametricCoordinates(
|
|
const vtkm::VecAxisAlignedPointCoordinates<3>& pointWCoords,
|
|
const vtkm::Vec3f& wcoords,
|
|
vtkm::CellShapeTagHexahedron,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* worklet = nullptr)
|
|
{
|
|
return internal::WorldCoordinatesToParametricCoordinatesImpl(
|
|
lcl::Voxel{}, pointWCoords, wcoords, success, worklet);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/// Returns the world paramteric corresponding to the given world coordinate for a cell.
|
|
///
|
|
template <typename WorldCoordVector>
|
|
static inline VTKM_EXEC typename WorldCoordVector::ComponentType
|
|
WorldCoordinatesToParametricCoordinates(const WorldCoordVector& pointWCoords,
|
|
const typename WorldCoordVector::ComponentType& wcoords,
|
|
vtkm::CellShapeTagGeneric shape,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase* worklet = nullptr)
|
|
{
|
|
typename WorldCoordVector::ComponentType result;
|
|
switch (shape.Id)
|
|
{
|
|
vtkmGenericCellShapeMacro(result = WorldCoordinatesToParametricCoordinates(
|
|
pointWCoords, wcoords, CellShapeTag(), success, worklet));
|
|
default:
|
|
success = false;
|
|
if (worklet)
|
|
{
|
|
worklet->RaiseError("Unknown cell shape sent to world 2 parametric.");
|
|
}
|
|
return typename WorldCoordVector::ComponentType();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
template <typename WorldCoordVector, typename CellShapeTag>
|
|
static inline VTKM_EXEC typename WorldCoordVector::ComponentType
|
|
WorldCoordinatesToParametricCoordinates(const WorldCoordVector& pointWCoords,
|
|
const typename WorldCoordVector::ComponentType& wcoords,
|
|
CellShapeTag shape,
|
|
bool& success,
|
|
const vtkm::exec::FunctorBase& worklet)
|
|
{
|
|
return WorldCoordinatesToParametricCoordinates(pointWCoords, wcoords, shape, success, &worklet);
|
|
}
|
|
}
|
|
} // namespace vtkm::exec
|
|
|
|
#endif //vtk_m_exec_ParametricCoordinates_h
|