mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-06 02:18:58 +00:00
209 lines
8.0 KiB
C++
209 lines
8.0 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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// 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-NA0003525 with NTESS,
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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/testing/MakeTestDataSet.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vtkm/worklet/WorkletMapTopology.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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#include <vtkm/exec/CellEdge.h>
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#include <vtkm/worklet/ScatterCounting.h>
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#include <vtkm/worklet/Keys.h>
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#include <vtkm/worklet/WorkletReduceByKey.h>
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#include <vtkm/worklet/DispatcherReduceByKey.h>
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#include <vtkm/worklet/connectivities/CellSetDualGraph.h>
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#include <vtkm/worklet/connectivities/GraphConnectivity.h>
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#include <vtkm/filter/MarchingCubes.h>
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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
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TangleField(const vtkm::Id3 dims,
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const vtkm::FloatDefault mins[3],
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const vtkm::FloatDefault maxs[3])
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: xdim(dims[0])
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, ydim(dims[1])
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, zdim(dims[2])
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, xmin(mins[0])
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, ymin(mins[1])
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, zmin(mins[2])
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, xmax(maxs[0])
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, ymax(maxs[1])
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, zmax(maxs[2])
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, cellsPerLayer((xdim) * (ydim))
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{
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}
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VTKM_EXEC
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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 =
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static_cast<vtkm::FloatDefault>(x) / static_cast<vtkm::FloatDefault>(xdim - 1);
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const vtkm::FloatDefault fy =
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static_cast<vtkm::FloatDefault>(y) / static_cast<vtkm::FloatDefault>(xdim - 1);
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const vtkm::FloatDefault fz =
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static_cast<vtkm::FloatDefault>(z) / static_cast<vtkm::FloatDefault>(xdim - 1);
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const vtkm::Float32 xx = 3.0f * vtkm::Float32(xmin + (xmax - xmin) * (fx));
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const vtkm::Float32 yy = 3.0f * vtkm::Float32(ymin + (ymax - ymin) * (fy));
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const vtkm::Float32 zz = 3.0f * vtkm::Float32(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 +
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zz * zz * zz * zz - 5.0f * zz * zz + 11.8f) *
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0.2f +
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0.5f;
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}
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};
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static vtkm::cont::DataSet MakeIsosurfaceTestDataSet(vtkm::Id3 dims)
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{
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vtkm::cont::DataSet dataSet;
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const vtkm::Id3 vdims(dims[0] + 1, dims[1] + 1, dims[2] + 1);
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vtkm::FloatDefault mins[3] = { -1.0f, -1.0f, -1.0f };
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vtkm::FloatDefault maxs[3] = { 1.0f, 1.0f, 1.0f };
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vtkm::cont::ArrayHandle<vtkm::Float32> pointFieldArray;
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vtkm::cont::ArrayHandleIndex vertexCountImplicitArray(vdims[0] * vdims[1] * vdims[2]);
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vtkm::worklet::DispatcherMapField<TangleField> tangleFieldDispatcher(
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TangleField(vdims, mins, maxs));
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tangleFieldDispatcher.Invoke(vertexCountImplicitArray, pointFieldArray);
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vtkm::Id numCells = dims[0] * dims[1] * dims[2];
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auto cellFieldArray = vtkm::cont::make_ArrayHandleCounting<vtkm::Id>(0, 1, numCells);
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vtkm::Vec<vtkm::FloatDefault, 3> origin(0.0f, 0.0f, 0.0f);
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vtkm::Vec<vtkm::FloatDefault, 3> spacing(1.0f / static_cast<vtkm::FloatDefault>(dims[0]),
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1.0f / static_cast<vtkm::FloatDefault>(dims[2]),
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1.0f / static_cast<vtkm::FloatDefault>(dims[1]));
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vtkm::cont::ArrayHandleUniformPointCoordinates coordinates(vdims, origin, spacing);
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dataSet.AddCoordinateSystem(vtkm::cont::CoordinateSystem("coordinates", coordinates));
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static const vtkm::IdComponent ndim = 3;
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vtkm::cont::CellSetStructured<ndim> cellSet("cells");
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cellSet.SetPointDimensions(vdims);
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dataSet.AddCellSet(cellSet);
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dataSet.AddField(vtkm::cont::Field("nodevar", vtkm::cont::Field::ASSOC_POINTS, pointFieldArray));
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dataSet.AddField(
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vtkm::cont::Field("cellvar", vtkm::cont::Field::ASSOC_CELL_SET, "cells", cellFieldArray));
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return dataSet;
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}
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template <typename DeviceAdapter>
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class TestGraphConnectivity
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{
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public:
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void TestGrafting() const
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{
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// std::vector<vtkm::Id> ids = {0, 1, 2, 3};
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// std::vector<vtkm::Id> conn = {1, 0, 2, 3, 1, 1};
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// std::vector<vtkm::Id> starts = {0, 1, 4, 5};
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// std::vector<vtkm::Id> ends = {1, 4, 5, 6};
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// std::vector<vtkm::Id> degrees = {1, 3, 1, 1};
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// std::vector<vtkm::Id> comp = {0, 1, 2, 3};
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// std::vector<vtkm::Id> ids = {0, 1, 2, 3, 4};
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// std::vector<vtkm::Id> conn = {1, 2, 0, 2, 0, 1, 4, 3};
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// std::vector<vtkm::Id> starts = {0, 2, 4, 6, 7};
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// std::vector<vtkm::Id> ends = {2, 4, 6, 7, 8};
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// std::vector<vtkm::Id> degrees = {2, 2, 2, 1, 1};
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// std::vector<vtkm::Id> comp = {0, 1, 2, 3, 4};
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// vtkm::cont::ArrayHandle<vtkm::Id> idsArr = vtkm::cont::make_ArrayHandle(ids);
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// vtkm::cont::ArrayHandle<vtkm::Id> connArr = vtkm::cont::make_ArrayHandle(conn);
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// vtkm::cont::ArrayHandle<vtkm::Id> startsArr = vtkm::cont::make_ArrayHandle(starts);
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// vtkm::cont::ArrayHandle<vtkm::Id> endsArr = vtkm::cont::make_ArrayHandle(ends);
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// vtkm::cont::ArrayHandle<vtkm::Id> degreesArr = vtkm::cont::make_ArrayHandle(degrees);
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// vtkm::cont::ArrayHandle<vtkm::Id> compArr = vtkm::cont::make_ArrayHandle(comp);
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// for (int i = 0; i < compArr.GetNumberOfValues(); i++) {
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// std::cout << compArr.GetPortalConstControl().Get(i) << " ";
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// }
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// std::cout << std::endl;
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// std::vector<vtkm::Id> connectivity = { 0, 2, 4, 1, 3, 5, 2, 6, 4, 5, 3, 7, 2, 9, 6, 4, 6, 8};
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// vtkm::cont::CellSetSingleType<> cellSet;
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// cellSet.Fill(8,
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// vtkm::CELL_SHAPE_TRIANGLE,
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// 3,
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// vtkm::cont::make_ArrayHandle(connectivity));
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vtkm::Id3 dims(4, 4, 4);
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vtkm::cont::DataSet dataSet = MakeIsosurfaceTestDataSet(dims);
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vtkm::filter::MarchingCubes filter;
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filter.SetGenerateNormals(true);
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filter.SetMergeDuplicatePoints(true);
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filter.SetIsoValue(0, 0.1);
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vtkm::filter::Result result = filter.Execute(dataSet, dataSet.GetField("nodevar"));
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vtkm::cont::DataSet& outputData = result.GetDataSet();
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auto cellSet = outputData.GetCellSet().Cast<vtkm::cont::CellSetSingleType<>>();
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vtkm::cont::ArrayHandle<vtkm::Id> numIndicesArray;
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vtkm::cont::ArrayHandle<vtkm::Id> indexOffsetArray;
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vtkm::cont::ArrayHandle<vtkm::Id> connectivityArray;
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CellSetDualGraph<DeviceAdapter>().Run(cellSet,
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numIndicesArray,
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indexOffsetArray,
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connectivityArray);
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vtkm::cont::ArrayHandle<vtkm::Id> componentArray;
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GraphConnectivity<DeviceAdapter>().Run(numIndicesArray,
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indexOffsetArray,
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connectivityArray,
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componentArray);
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for (int i = 0; i < componentArray.GetNumberOfValues(); i++)
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{
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std::cout << i << " "
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<< componentArray.GetPortalConstControl().Get(i) << std::endl;
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}
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std::cout << std::endl;
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}
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void operator()() const
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{
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this->TestGrafting();
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}
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};
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int UnitTestGraphConnectivity(int, char *[])
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{
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return vtkm::cont::testing::Testing::Run(TestGraphConnectivity<VTKM_DEFAULT_DEVICE_ADAPTER_TAG>());
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} |