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https://gitlab.kitware.com/vtk/vtk-m
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689ba00e4c
While updating the slides for an upcoming tutorial, some minor changes were made to the tutorial examples to more clearly explain concepts or simply fit things better on slides.
46 lines
1.5 KiB
C++
46 lines
1.5 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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// Example 4: do a contour and a clip-with-field, and write it out.
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//
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#include <vtkm/cont/Initialize.h>
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#include <vtkm/filter/contour/ClipWithField.h>
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#include <vtkm/filter/contour/Contour.h>
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#include <vtkm/io/VTKDataSetReader.h>
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#include <vtkm/io/VTKDataSetWriter.h>
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int main(int argc, char** argv)
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{
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vtkm::cont::Initialize(argc, argv);
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vtkm::io::VTKDataSetReader reader("data/kitchen.vtk");
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vtkm::cont::DataSet ds_from_file = reader.ReadDataSet();
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vtkm::filter::contour::Contour contour;
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contour.SetActiveField("c1");
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contour.SetFieldsToPass({ "c1", "ke" });
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contour.SetNumberOfIsoValues(3);
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contour.SetIsoValue(0, 0.05);
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contour.SetIsoValue(1, 0.10);
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contour.SetIsoValue(2, 0.15);
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vtkm::cont::DataSet ds_from_contour = contour.Execute(ds_from_file);
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vtkm::filter::contour::ClipWithField clip;
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clip.SetActiveField("ke");
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clip.SetClipValue(1e-7);
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//clip.SetInvertClip(true); // <1e-7 instead of >1e-7
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vtkm::cont::DataSet ds_from_clip = clip.Execute(ds_from_contour);
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vtkm::io::VTKDataSetWriter writer("out_2filters.vtk");
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writer.WriteDataSet(ds_from_clip);
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return 0;
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}
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