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https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
Add implicit array for uniform grid point coordinates.
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@ -118,11 +118,13 @@ class ArrayHandleCounting
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> Superclass;
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public:
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VTKM_CONT_EXPORT
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ArrayHandleCounting(CountingValueType startingValue, vtkm::Id length)
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:Superclass(typename Superclass::PortalConstControl(startingValue, length))
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{
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}
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VTKM_CONT_EXPORT
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ArrayHandleCounting():Superclass() {}
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};
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158
vtkm/cont/ArrayHandleUniformPointCoordinates.h
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158
vtkm/cont/ArrayHandleUniformPointCoordinates.h
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@ -0,0 +1,158 @@
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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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// 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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// Copyright 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014. Los Alamos National Security
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_cont_ArrayHandleUniformPointCoordinates_h
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#define vtk_m_cont_ArrayHandleUniformPointCoordinates_h
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#include <vtkm/Extent.h>
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#include <vtkm/cont/ArrayContainerControlImplicit.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/internal/IteratorFromArrayPortal.h>
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namespace vtkm {
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namespace cont {
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namespace internal {
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/// \brief An implicit array port that computes point coordinates for a uniform
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/// grid.
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///
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class ArrayPortalUniformPointCoordinates
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{
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public:
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typedef vtkm::Vector3 ValueType;
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VTKM_EXEC_CONT_EXPORT
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ArrayPortalUniformPointCoordinates() : NumberOfValues(0) { }
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VTKM_EXEC_CONT_EXPORT
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ArrayPortalUniformPointCoordinates(vtkm::Extent3 extent,
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vtkm::Vector3 origin,
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vtkm::Vector3 spacing)
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: Extent(extent),
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Dimensions(vtkm::ExtentPointDimensions(extent)),
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NumberOfValues(vtkm::ExtentNumberOfPoints(extent)),
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Origin(origin),
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Spacing(spacing)
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{ }
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VTKM_EXEC_CONT_EXPORT
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ArrayPortalUniformPointCoordinates(
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const ArrayPortalUniformPointCoordinates &src)
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: Extent(src.Extent),
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Dimensions(src.Dimensions),
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NumberOfValues(src.NumberOfValues),
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Origin(src.Origin),
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Spacing(src.Spacing)
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{ }
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VTKM_EXEC_CONT_EXPORT
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ArrayPortalUniformPointCoordinates &
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operator=(const ArrayPortalUniformPointCoordinates &src)
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{
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this->Extent = src.Extent;
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this->Dimensions = src.Dimensions;
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this->NumberOfValues = src.NumberOfValues;
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this->Origin = src.Origin;
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this->Spacing = src.Spacing;
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return *this;
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}
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VTKM_EXEC_CONT_EXPORT
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vtkm::Id GetNumberOfValues() const { return this->NumberOfValues; }
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VTKM_EXEC_CONT_EXPORT
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vtkm::Vector3 Get(vtkm::Id index) const {
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return this->GetCoordinatesForTopologyIndex(
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vtkm::ExtentPointFlatIndexToTopologyIndex(index, this->Extent));
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}
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VTKM_EXEC_CONT_EXPORT
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vtkm::Id3 GetRange3() const { return this->Dimensions; }
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VTKM_EXEC_CONT_EXPORT
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vtkm::Vector3 Get(vtkm::Id3 index) const {
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return this->GetCoordinatesForTopologyIndex(index + this->Extent.Min);
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}
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typedef vtkm::cont::internal::IteratorFromArrayPortal<
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ArrayPortalUniformPointCoordinates> IteratorType;
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VTKM_CONT_EXPORT
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IteratorType GetIteratorBegin() const {
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return IteratorType(*this);
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}
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VTKM_CONT_EXPORT
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IteratorType GetIteratorEnd() const {
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return IteratorType(*this, this->NumberOfValues);
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}
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private:
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vtkm::Extent3 Extent;
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vtkm::Id3 Dimensions;
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vtkm::Id NumberOfValues;
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vtkm::Vector3 Origin;
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vtkm::Vector3 Spacing;
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VTKM_EXEC_CONT_EXPORT
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vtkm::Vector3 GetCoordinatesForTopologyIndex(vtkm::Id3 ijk) const {
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return vtkm::Vector3(this->Origin[0] + this->Spacing[0]*ijk[0],
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this->Origin[1] + this->Spacing[1]*ijk[1],
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this->Origin[2] + this->Spacing[2]*ijk[2]);
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}
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};
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} // namespace internal
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/// ArrayHandleUniformPointCoordinates is a specialization of ArrayHandle. It
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/// contains the information necessary to compute the point coordinates in a
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/// uniform orthogonal grid (extent, origin, and spacing) and implicitly
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/// computes these coordinates in its array portal.
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///
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class ArrayHandleUniformPointCoordinates
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: public vtkm::cont::ArrayHandle<
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vtkm::Vector3,
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vtkm::cont::ArrayContainerControlTagImplicit<
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internal::ArrayPortalUniformPointCoordinates> >
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{
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typedef vtkm::cont::ArrayHandle<
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vtkm::Vector3,
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vtkm::cont::ArrayContainerControlTagImplicit<
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internal::ArrayPortalUniformPointCoordinates> > Superclass;
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public:
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VTKM_CONT_EXPORT
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ArrayHandleUniformPointCoordinates() : Superclass() { }
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VTKM_CONT_EXPORT
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ArrayHandleUniformPointCoordinates(vtkm::Extent3 extent,
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vtkm::Vector3 origin,
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vtkm::Vector3 spacing)
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: Superclass(
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internal::ArrayPortalUniformPointCoordinates(extent, origin, spacing))
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{ }
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};
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}
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} // namespace vtkm::cont
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#endif //vtk_+m_cont_ArrayHandleUniformPointCoordinates_h
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@ -25,6 +25,8 @@ set(headers
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ArrayContainerControlBasic.h
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ArrayContainerControlImplicit.h
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ArrayHandle.h
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ArrayHandleCounting.h
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ArrayHandleUniformPointCoordinates.h
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ArrayPortal.h
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Assert.h
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DeviceAdapter.h
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@ -30,6 +30,7 @@ set(unit_tests
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UnitTestArrayContainerControlImplicit.cxx
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UnitTestArrayHandle.cxx
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UnitTestArrayHandleCounting.cxx
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UnitTestArrayHandleUniformPointCoordinates.cxx
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UnitTestContTesting.cxx
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UnitTestDeviceAdapterAlgorithmDependency.cxx
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UnitTestDeviceAdapterAlgorithmGeneral.cxx
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@ -0,0 +1,87 @@
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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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// 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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// Copyright 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014. Los Alamos National Security
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/cont/ArrayHandleUniformPointCoordinates.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace {
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const vtkm::Id3 MIN_VALUES(-5, 8, 40);
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const vtkm::Id3 MAX_VALUES(10, 25, 44);
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const vtkm::Id3 POINT_DIMS(16, 18, 5);
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const vtkm::Id NUM_POINTS = 1440;
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const vtkm::Vector3 ORIGIN(30, -3, -14);
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const vtkm::Vector3 SPACING(10, 1, 0.1);
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const vtkm::Vector3 LOWER_LEFT(-20, 5, -10); // MIN_VALUES*SPACING + ORIGIN
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void TestArrayHandleUniformPointCoordinates()
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{
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std::cout << "Creating ArrayHandleUniformPointCoordinates" << std::endl;
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vtkm::cont::ArrayHandleUniformPointCoordinates arrayHandle(
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vtkm::Extent3(MIN_VALUES, MAX_VALUES), ORIGIN, SPACING);
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VTKM_TEST_ASSERT(arrayHandle.GetNumberOfValues() == NUM_POINTS,
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"Array computed wrong number of points.");
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std::cout << "Getting array portal." << std::endl;
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vtkm::cont::internal::ArrayPortalUniformPointCoordinates portal =
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arrayHandle.GetPortalConstControl();
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VTKM_TEST_ASSERT(portal.GetNumberOfValues() == NUM_POINTS,
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"Portal has wrong number of points.");
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VTKM_TEST_ASSERT(portal.GetRange3() == POINT_DIMS,
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"Portal range is wrong.");
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std::cout << "Checking computed values of portal." << std::endl;
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vtkm::Vector3 expectedValue;
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vtkm::Id flatIndex = 0;
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vtkm::Id3 blockIndex;
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expectedValue[2] = LOWER_LEFT[2];
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for (blockIndex[2] = 0; blockIndex[2] < POINT_DIMS[2]; blockIndex[2]++)
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{
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expectedValue[1] = LOWER_LEFT[1];
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for (blockIndex[1] = 0; blockIndex[1] < POINT_DIMS[1]; blockIndex[1]++)
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{
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expectedValue[0] = LOWER_LEFT[0];
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for (blockIndex[0] = 0; blockIndex[0] < POINT_DIMS[0]; blockIndex[0]++)
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{
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VTKM_TEST_ASSERT(test_equal(expectedValue, portal.Get(flatIndex)),
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"Got wrong value for flat index.");
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VTKM_TEST_ASSERT(test_equal(expectedValue, portal.Get(blockIndex)),
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"Got wrong value for block index.");
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flatIndex++;
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expectedValue[0] += SPACING[0];
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}
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expectedValue[1] += SPACING[1];
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}
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expectedValue[2] += SPACING[2];
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}
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}
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} // anonymous namespace
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int UnitTestArrayHandleUniformPointCoordinates(int, char *[])
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{
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return vtkm::cont::testing::Testing::Run(
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TestArrayHandleUniformPointCoordinates);
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}
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