mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
109 lines
3.3 KiB
C++
109 lines
3.3 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.
|
|
//============================================================================
|
|
#ifndef vtk_m_exec_CellInside_h
|
|
#define vtk_m_exec_CellInside_h
|
|
|
|
#include <vtkm/CellShape.h>
|
|
#include <vtkm/Types.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace exec
|
|
{
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>&, vtkm::CellShapeTagEmpty)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagVertex)
|
|
{
|
|
return pcoords[0] == T(0) && pcoords[1] == T(0) && pcoords[2] == T(0);
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagLine)
|
|
{
|
|
return pcoords[0] >= T(0) && pcoords[0] <= T(1);
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagTriangle)
|
|
{
|
|
return pcoords[0] >= T(0) && pcoords[1] >= T(0) && (pcoords[0] + pcoords[1] <= T(1));
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagPolygon)
|
|
{
|
|
return ((pcoords[0] - T(0.5)) * (pcoords[0] - T(0.5))) +
|
|
((pcoords[1] - T(0.5)) * (pcoords[1] - T(0.5))) <=
|
|
T(0.25);
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagQuad)
|
|
{
|
|
return pcoords[0] >= T(0) && pcoords[0] <= T(1) && pcoords[1] >= T(0) && pcoords[1] <= T(1);
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagTetra)
|
|
{
|
|
return pcoords[0] >= T(0) && pcoords[1] >= T(0) && pcoords[2] >= T(0) &&
|
|
(pcoords[0] + pcoords[1] + pcoords[2] <= T(1));
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords,
|
|
vtkm::CellShapeTagHexahedron)
|
|
{
|
|
return pcoords[0] >= T(0) && pcoords[0] <= T(1) && pcoords[1] >= T(0) && pcoords[1] <= T(1) &&
|
|
pcoords[2] >= T(0) && pcoords[2] <= T(1);
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagWedge)
|
|
{
|
|
return pcoords[0] >= T(0) && pcoords[1] >= T(0) && pcoords[2] >= T(0) && pcoords[2] <= T(1) &&
|
|
(pcoords[0] + pcoords[1] <= T(1));
|
|
}
|
|
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagPyramid)
|
|
{
|
|
return pcoords[0] >= T(0) && pcoords[0] <= T(1) && pcoords[1] >= T(0) && pcoords[1] <= T(1) &&
|
|
pcoords[2] >= T(0) && pcoords[2] <= T(1);
|
|
}
|
|
|
|
/// Checks if the parametric coordinates `pcoords` are on the inside for the
|
|
/// specified cell type.
|
|
///
|
|
template <typename T>
|
|
static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords,
|
|
vtkm::CellShapeTagGeneric shape)
|
|
{
|
|
bool result = false;
|
|
switch (shape.Id)
|
|
{
|
|
vtkmGenericCellShapeMacro(result = CellInside(pcoords, CellShapeTag()));
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|
|
} // vtkm::exec
|
|
|
|
#endif // vtk_m_exec_CellInside_h
|