mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
Remove IsosurfaceUniformGrid.
This commit is contained in:
T.J. Corona
parent
353553829d
commit
a5ae4127e0
@ -24,7 +24,7 @@
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#define VTKM_DEVICE_ADAPTER VTKM_DEVICE_ADAPTER_SERIAL
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#endif
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#include <vtkm/worklet/IsosurfaceUniformGrid.h>
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#include <vtkm/worklet/MarchingCubes.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/Math.h>
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@ -51,7 +51,7 @@
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typedef VTKM_DEFAULT_DEVICE_ADAPTER_TAG DeviceAdapter;
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vtkm::Id3 dims(16,16,16);
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vtkm::worklet::IsosurfaceFilterUniformGrid<vtkm::Float32, DeviceAdapter> *isosurfaceFilter;
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vtkm::worklet::MarchingCubes<vtkm::Float32, DeviceAdapter> *isosurfaceFilter;
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32,3> > verticesArray, normalsArray;
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vtkm::cont::ArrayHandle<vtkm::Float32> scalarsArray;
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Quaternion qrot;
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@ -235,18 +235,26 @@ int main(int argc, char* argv[])
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{
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typedef vtkm::cont::internal::DeviceAdapterTraits<DeviceAdapter>
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DeviceAdapterTraits;
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typedef vtkm::cont::CellSetStructured<3> CellSet;
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std::cout << "Running IsosurfaceUniformGrid example on device adapter: "
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<< DeviceAdapterTraits::GetId() << std::endl;
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vtkm::cont::DataSet dataSet = MakeIsosurfaceTestDataSet(dims);
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vtkm::cont::ArrayHandle<vtkm::Float32> fieldArray;
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dataSet.GetField("nodevar").GetData().CastToArrayHandle(fieldArray);
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isosurfaceFilter = new vtkm::worklet::IsosurfaceFilterUniformGrid<vtkm::Float32, DeviceAdapter>(dims, dataSet);
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isosurfaceFilter = new vtkm::worklet::MarchingCubes<vtkm::Float32, DeviceAdapter>();
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isosurfaceFilter->Run(0.5,
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dataSet.GetField("nodevar").GetData(),
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dataSet.GetCellSet().CastTo(CellSet()),
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dataSet.GetCoordinateSystem(),
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fieldArray,
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verticesArray,
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normalsArray,
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scalarsArray);
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normalsArray);
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isosurfaceFilter->MapFieldOntoIsosurface(fieldArray,
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scalarsArray);
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std::cout << "Number of output vertices: " << verticesArray.GetNumberOfValues() << std::endl;
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@ -30,7 +30,7 @@ set(headers
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ExternalFaces.h
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FieldHistogram.h
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FieldStatistics.h
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IsosurfaceUniformGrid.h
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MarchingCubes.h
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MarchingCubesDataTables.h
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PointElevation.h
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ScatterCounting.h
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@ -1,284 +0,0 @@
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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_worklet_IsosurfaceUniformGrid_h
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#define vtk_m_worklet_IsosurfaceUniformGrid_h
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#include <vtkm/Pair.h>
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#include <vtkm/VectorAnalysis.h>
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#include <vtkm/exec/CellDerivative.h>
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#include <vtkm/exec/ExecutionWholeArray.h>
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#include <vtkm/exec/ParametricCoordinates.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayHandleGroupVec.h>
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#include <vtkm/cont/ArrayHandleIndex.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/cont/DynamicArrayHandle.h>
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#include <vtkm/cont/Field.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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#include <vtkm/worklet/ScatterCounting.h>
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#include <vtkm/worklet/WorkletMapTopology.h>
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#include "MarchingCubesDataTables.h"
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namespace vtkm {
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namespace worklet {
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/// \brief Compute the isosurface for a uniform grid data set
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template <typename FieldType, typename DeviceAdapter>
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class IsosurfaceFilterUniformGrid
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{
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public:
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class ClassifyCell : public vtkm::worklet::WorkletMapPointToCell
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{
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public:
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typedef void ControlSignature(FieldInPoint<Scalar> inNodes,
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TopologyIn topology,
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FieldOutCell<> outNumTriangles,
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ExecObject numTrianglesTable);
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typedef void ExecutionSignature(_1, _3, _4);
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typedef _2 InputDomain;
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FieldType Isovalue;
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VTKM_CONT_EXPORT
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ClassifyCell(FieldType isovalue) :
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Isovalue(isovalue)
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{
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}
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template<typename InPointVecType,
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typename NumTrianglesTablePortalType>
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VTKM_EXEC_EXPORT
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void operator()(const InPointVecType &fieldIn,
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vtkm::IdComponent &numTriangles,
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const NumTrianglesTablePortalType &numTrianglesTable) const
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{
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vtkm::IdComponent caseNumber =
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( (fieldIn[0] > this->Isovalue)
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| (fieldIn[1] > this->Isovalue)<<1
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| (fieldIn[2] > this->Isovalue)<<2
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| (fieldIn[3] > this->Isovalue)<<3
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| (fieldIn[4] > this->Isovalue)<<4
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| (fieldIn[5] > this->Isovalue)<<5
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| (fieldIn[6] > this->Isovalue)<<6
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| (fieldIn[7] > this->Isovalue)<<7 );
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numTriangles = numTrianglesTable.Get(caseNumber);
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}
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};
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/// \brief Compute isosurface vertices and scalars
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class IsoSurfaceGenerate : public vtkm::worklet::WorkletMapPointToCell
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{
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public:
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typedef void ControlSignature(
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TopologyIn topology, // Cell set
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FieldInPoint<> fieldIn, // Input point field defining the contour
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FieldInPoint<Vec3> pcoordIn, // Input point coordinates
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FieldOutCell<> vertexOut, // Vertices for output triangles
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// TODO: Have a better way to iterate over and interpolate fields
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FieldInPoint<Scalar> scalarsIn, // Scalars to interpolate
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FieldOutCell<> scalarsOut, // Interpolated scalars (one per tri vertex)
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FieldOutCell<> normalsOut, // Estimated normals (one per tri vertex)
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ExecObject TriTable // An array portal with the triangle table
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);
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typedef void ExecutionSignature(
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CellShape, _2, _3, _4, _5, _6, _7, _8, VisitIndex);
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typedef vtkm::worklet::ScatterCounting ScatterType;
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VTKM_CONT_EXPORT
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ScatterType GetScatter() const
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{
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return this->Scatter;
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}
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template<typename CountArrayType, typename Device>
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VTKM_CONT_EXPORT
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IsoSurfaceGenerate(FieldType isovalue,
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const CountArrayType &countArray,
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Device)
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: Isovalue(isovalue), Scatter(countArray, Device()) { }
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template<typename CellShapeTag,
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typename FieldInType, // Vec-like, one per input point
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typename CoordType, // Vec-like (one per input point) of Vec-3
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typename VertexOutType, // Vec-3 of Vec-3 coordinates (for triangle)
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typename ScalarInType, // Vec-like, one per input point
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typename ScalarOutType, // Vec-3 (one value per tri vertex)
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typename NormalOutType, // Vec-3 of Vec-3
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typename TriTablePortalType> // Array portal
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VTKM_EXEC_EXPORT
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void operator()(
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CellShapeTag shape,
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const FieldInType &fieldIn, // Input point field defining the contour
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const CoordType &coords, // Input point coordinates
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VertexOutType &vertexOut, // Vertices for output triangles
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// TODO: Have a better way to iterate over and interpolate fields
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const ScalarInType &scalarsIn, // Scalars to interpolate
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ScalarOutType &scalarsOut, // Interpolated scalars (one per tri vertex)
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NormalOutType &normalsOut, // Estimated normals (one per tri vertex)
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const TriTablePortalType &triTable, // An array portal with the triangle table
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vtkm::IdComponent visitIndex
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) const
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{
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// Get data for this cell
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const vtkm::IdComponent verticesForEdge[] = { 0, 1, 1, 2, 3, 2, 0, 3,
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4, 5, 5, 6, 7, 6, 4, 7,
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0, 4, 1, 5, 2, 6, 3, 7 };
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// Compute the Marching Cubes case number for this cell
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vtkm::IdComponent caseNumber =
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( (fieldIn[0] > this->Isovalue)
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| (fieldIn[1] > this->Isovalue)<<1
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| (fieldIn[2] > this->Isovalue)<<2
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| (fieldIn[3] > this->Isovalue)<<3
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| (fieldIn[4] > this->Isovalue)<<4
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| (fieldIn[5] > this->Isovalue)<<5
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| (fieldIn[6] > this->Isovalue)<<6
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| (fieldIn[7] > this->Isovalue)<<7 );
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// Interpolate for vertex positions and associated scalar values
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const vtkm::Id triTableOffset =
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static_cast<vtkm::Id>(caseNumber*16 + visitIndex*3);
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for (vtkm::IdComponent triVertex = 0;
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triVertex < 3;
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triVertex++)
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{
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const vtkm::IdComponent edgeIndex =
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triTable.Get(triTableOffset + triVertex);
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const vtkm::IdComponent edgeVertex0 = verticesForEdge[2*edgeIndex + 0];
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const vtkm::IdComponent edgeVertex1 = verticesForEdge[2*edgeIndex + 1];
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const FieldType fieldValue0 = fieldIn[edgeVertex0];
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const FieldType fieldValue1 = fieldIn[edgeVertex1];
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const FieldType interpolant =
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(this->Isovalue - fieldValue0) / (fieldValue1 - fieldValue0);
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vertexOut[triVertex] = vtkm::Lerp(coords[edgeVertex0],
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coords[edgeVertex1],
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interpolant);
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scalarsOut[triVertex] = vtkm::Lerp(scalarsIn[edgeVertex0],
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scalarsIn[edgeVertex1],
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interpolant);
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const vtkm::Vec<vtkm::FloatDefault,3> edgePCoord0 =
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vtkm::exec::ParametricCoordinatesPoint(
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fieldIn.GetNumberOfComponents(), edgeVertex0, shape, *this);
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const vtkm::Vec<vtkm::FloatDefault,3> edgePCoord1 =
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vtkm::exec::ParametricCoordinatesPoint(
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fieldIn.GetNumberOfComponents(), edgeVertex1, shape, *this);
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const vtkm::Vec<vtkm::FloatDefault,3> interpPCoord =
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vtkm::Lerp(edgePCoord0, edgePCoord1, interpolant);
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normalsOut[triVertex] =
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vtkm::Normal(vtkm::exec::CellDerivative(
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fieldIn, coords, interpPCoord, shape, *this));
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}
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}
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private:
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const FieldType Isovalue;
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ScatterType Scatter;
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};
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IsosurfaceFilterUniformGrid(const vtkm::Id3 &dims,
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const vtkm::cont::DataSet &dataSet) :
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CDims(dims),
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DataSet(dataSet)
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{
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}
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vtkm::Id3 CDims;
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vtkm::cont::DataSet DataSet;
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template<typename CoordinateType>
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void Run(const float &isovalue,
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const vtkm::cont::DynamicArrayHandle& isoField,
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vtkm::cont::ArrayHandle< vtkm::Vec<CoordinateType,3> > verticesArray,
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vtkm::cont::ArrayHandle< vtkm::Vec<CoordinateType,3> > normalsArray,
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vtkm::cont::ArrayHandle<FieldType> scalarsArray)
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{
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//todo this needs to change so that we don't presume the storage type
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vtkm::cont::ArrayHandle<FieldType> field;
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field = isoField.CastToArrayHandle(FieldType(), VTKM_DEFAULT_STORAGE_TAG());
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this->Run(isovalue, field, verticesArray, normalsArray, scalarsArray);
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}
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template<typename StorageTag, typename CoordinateType>
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void Run(const float &isovalue,
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const vtkm::cont::ArrayHandle<FieldType, StorageTag>& field,
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vtkm::cont::ArrayHandle< vtkm::Vec<CoordinateType,3> > verticesArray,
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vtkm::cont::ArrayHandle< vtkm::Vec<CoordinateType,3> > normalsArray,
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vtkm::cont::ArrayHandle<FieldType> scalarsArray)
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{
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// Set up the Marching Cubes case tables
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vtkm::cont::ArrayHandle<vtkm::IdComponent> numTrianglesTable =
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vtkm::cont::make_ArrayHandle(vtkm::worklet::internal::numTrianglesTable,
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256);
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vtkm::cont::ArrayHandle<vtkm::IdComponent> triangleTableArray =
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vtkm::cont::make_ArrayHandle(vtkm::worklet::internal::triTable,
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256*16);
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typedef vtkm::exec::ExecutionWholeArrayConst<vtkm::IdComponent, VTKM_DEFAULT_STORAGE_TAG, DeviceAdapter>
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TableArrayExecObjectType;
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// Call the ClassifyCell functor to compute the Marching Cubes case numbers
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// for each cell, and the number of vertices to be generated
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ClassifyCell classifyCell(isovalue);
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typedef typename vtkm::worklet::DispatcherMapTopology<
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ClassifyCell,
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DeviceAdapter> ClassifyCellDispatcher;
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ClassifyCellDispatcher classifyCellDispatcher(classifyCell);
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vtkm::cont::ArrayHandle<vtkm::IdComponent> numOutputTrisPerCell;
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classifyCellDispatcher.Invoke( field,
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this->DataSet.GetCellSet(0),
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numOutputTrisPerCell,
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TableArrayExecObjectType(numTrianglesTable));
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IsoSurfaceGenerate isosurface(isovalue, numOutputTrisPerCell, DeviceAdapter());
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vtkm::worklet::DispatcherMapTopology<IsoSurfaceGenerate, DeviceAdapter>
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isosurfaceDispatcher(isosurface);
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isosurfaceDispatcher.Invoke(
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// Currently forcing cell set to be structured. Eventually we should
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// relax this as we support other grid types.
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this->DataSet.GetCellSet(0).ResetCellSetList(
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vtkm::ListTagBase<vtkm::cont::CellSetStructured<3> >()),
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field,
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this->DataSet.GetCoordinateSystem(0).GetData(),
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vtkm::cont::make_ArrayHandleGroupVec<3>(verticesArray),
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field, // This is silly. The field will interp to isovalue
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vtkm::cont::make_ArrayHandleGroupVec<3>(scalarsArray),
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vtkm::cont::make_ArrayHandleGroupVec<3>(normalsArray),
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TableArrayExecObjectType(triangleTableArray)
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);
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}
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};
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}
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} // namespace vtkm::worklet
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#endif // vtk_m_worklet_IsosurfaceUniformGrid_h
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@ -24,7 +24,6 @@ set(unit_tests
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UnitTestExternalFaces.cxx
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UnitTestFieldHistogram.cxx
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UnitTestFieldStatistics.cxx
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UnitTestIsosurfaceUniformGrid.cxx
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UnitTestMarchingCubes.cxx
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UnitTestPointElevation.cxx
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UnitTestScatterCounting.cxx
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@ -1,143 +0,0 @@
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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/worklet/IsosurfaceUniformGrid.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/cont/CellSetExplicit.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vector>
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namespace {
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class TangleField : public vtkm::worklet::WorkletMapField
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{
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public:
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typedef void ControlSignature(FieldIn<IdType> vertexId, FieldOut<Scalar> v);
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typedef void ExecutionSignature(_1, _2);
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typedef _1 InputDomain;
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const vtkm::Id xdim, ydim, zdim;
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const vtkm::FloatDefault xmin, ymin, zmin, xmax, ymax, zmax;
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const vtkm::Id cellsPerLayer;
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VTKM_CONT_EXPORT
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TangleField(const vtkm::Id3 dims, const vtkm::FloatDefault mins[3], const vtkm::FloatDefault maxs[3]) : xdim(dims[0]), ydim(dims[1]), zdim(dims[2]),
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xmin(mins[0]), ymin(mins[1]), zmin(mins[2]), xmax(maxs[0]), ymax(maxs[1]), zmax(maxs[2]), cellsPerLayer((xdim) * (ydim)) { }
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VTKM_EXEC_EXPORT
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void operator()(const vtkm::Id &vertexId, vtkm::Float32 &v) const
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{
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const vtkm::Id x = vertexId % (xdim);
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const vtkm::Id y = (vertexId / (xdim)) % (ydim);
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const vtkm::Id z = vertexId / cellsPerLayer;
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const vtkm::FloatDefault fx = static_cast<vtkm::FloatDefault>(x) / static_cast<vtkm::FloatDefault>(xdim-1);
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const vtkm::FloatDefault fy = static_cast<vtkm::FloatDefault>(y) / static_cast<vtkm::FloatDefault>(xdim-1);
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const vtkm::FloatDefault fz = static_cast<vtkm::FloatDefault>(z) / static_cast<vtkm::FloatDefault>(xdim-1);
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const vtkm::Float32 xx = 3.0f*(xmin+(xmax-xmin)*(fx));
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const vtkm::Float32 yy = 3.0f*(ymin+(ymax-ymin)*(fy));
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const vtkm::Float32 zz = 3.0f*(zmin+(zmax-zmin)*(fz));
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v = (xx*xx*xx*xx - 5.0f*xx*xx + yy*yy*yy*yy - 5.0f*yy*yy + zz*zz*zz*zz - 5.0f*zz*zz + 11.8f) * 0.2f + 0.5f;
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}
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};
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vtkm::cont::DataSet MakeIsosurfaceTestDataSet(vtkm::Id3 dims)
|
||||
{
|
||||
vtkm::cont::DataSet dataSet;
|
||||
|
||||
const vtkm::Id3 vdims(dims[0] + 1, dims[1] + 1, dims[2] + 1);
|
||||
|
||||
vtkm::FloatDefault mins[3] = {-1.0f, -1.0f, -1.0f};
|
||||
vtkm::FloatDefault maxs[3] = {1.0f, 1.0f, 1.0f};
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Float32> fieldArray;
|
||||
vtkm::cont::ArrayHandleIndex vertexCountImplicitArray(vdims[0]*vdims[1]*vdims[2]);
|
||||
vtkm::worklet::DispatcherMapField<TangleField> tangleFieldDispatcher(TangleField(vdims, mins, maxs));
|
||||
tangleFieldDispatcher.Invoke(vertexCountImplicitArray, fieldArray);
|
||||
|
||||
vtkm::Vec<vtkm::FloatDefault,3> origin(0.0f, 0.0f, 0.0f);
|
||||
vtkm::Vec<vtkm::FloatDefault,3> spacing(
|
||||
1.0f/static_cast<vtkm::FloatDefault>(dims[0]),
|
||||
1.0f/static_cast<vtkm::FloatDefault>(dims[2]),
|
||||
1.0f/static_cast<vtkm::FloatDefault>(dims[1]));
|
||||
|
||||
vtkm::cont::ArrayHandleUniformPointCoordinates
|
||||
coordinates(vdims, origin, spacing);
|
||||
dataSet.AddCoordinateSystem(
|
||||
vtkm::cont::CoordinateSystem("coordinates", 1, coordinates));
|
||||
|
||||
dataSet.AddField(vtkm::cont::Field("nodevar", 1, vtkm::cont::Field::ASSOC_POINTS, fieldArray));
|
||||
|
||||
static const vtkm::IdComponent ndim = 3;
|
||||
vtkm::cont::CellSetStructured<ndim> cellSet("cells");
|
||||
cellSet.SetPointDimensions(vdims);
|
||||
dataSet.AddCellSet(cellSet);
|
||||
|
||||
return dataSet;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
void TestIsosurfaceUniformGrid()
|
||||
{
|
||||
std::cout << "Testing IsosurfaceUniformGrid Filter" << std::endl;
|
||||
|
||||
vtkm::Id3 dims(4,4,4);
|
||||
vtkm::cont::DataSet dataSet = MakeIsosurfaceTestDataSet(dims);
|
||||
|
||||
typedef VTKM_DEFAULT_DEVICE_ADAPTER_TAG DeviceAdapter;
|
||||
|
||||
vtkm::worklet::IsosurfaceFilterUniformGrid<vtkm::Float32,
|
||||
DeviceAdapter> isosurfaceFilter(dims, dataSet);
|
||||
|
||||
vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Float32,3> > verticesArray, normalsArray;
|
||||
vtkm::cont::ArrayHandle<vtkm::Float32> scalarsArray;
|
||||
isosurfaceFilter.Run(0.5,
|
||||
dataSet.GetField("nodevar").GetData(),
|
||||
verticesArray,
|
||||
normalsArray,
|
||||
scalarsArray);
|
||||
|
||||
std::cout << "vertices: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(verticesArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "normals: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(normalsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
std::cout << "scalars: ";
|
||||
vtkm::cont::printSummary_ArrayHandle(scalarsArray, std::cout);
|
||||
std::cout << std::endl;
|
||||
|
||||
VTKM_TEST_ASSERT(test_equal(verticesArray.GetNumberOfValues(), 480),
|
||||
"Wrong result for Isosurface filter");
|
||||
}
|
||||
|
||||
int UnitTestIsosurfaceUniformGrid(int, char *[])
|
||||
{
|
||||
return vtkm::cont::testing::Testing::Run(TestIsosurfaceUniformGrid);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user