Difference between revisions of "VTK/Examples/Cxx/Meshes/BoundaryEdges"

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(New page: This filter will extract the boundary edges of a mesh. An example file is [http://www.vtk.org/Wiki/Image:Plane.vtp here]. This is a 10x10 grid which forms a plane. The boundary edges are t...)
 
(Replaced content with "= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/Meshes/BoundaryEdges BoundaryEdges] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website]...")
 
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This filter will extract the boundary edges of a mesh. An example file is [http://www.vtk.org/Wiki/Image:Plane.vtp here]. This is a 10x10 grid which forms a plane. The boundary edges are the outside edge of the plane only.
+
= '''See [https://lorensen.github.io/VTKExamples/site/Cxx/Meshes/BoundaryEdges BoundaryEdges] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website].''' =
 
 
==BoundaryEdges.cxx
 
<source lang="cpp">
 
#include <vtkSmartPointer.h>
 
#include <vtkFeatureEdges.h>
 
#include <vtkPolyData.h>
 
#include <vtkXMLPolyDataReader.h>
 
#include <vtkXMLPolyDataWriter.h>
 
 
 
int main(int argc, char *argv[])
 
{
 
  if(argc != 3)
 
  {
 
    vtkstd::cout << "Required arguments: InputFilename OutputFilename" << vtkstd::endl;
 
    exit(-1);
 
  }
 
 
 
  vtkstd::string InputFilename = argv[1];
 
  vtkstd::string OutputFilename = argv[2];
 
 
 
  vtkSmartPointer<vtkXMLPolyDataReader> Reader = vtkSmartPointer<vtkXMLPolyDataReader>::New();
 
  Reader->SetFileName(InputFilename.c_str());
 
  Reader->Update();
 
 
 
  vtkSmartPointer<vtkFeatureEdges> FeatureEdges = vtkSmartPointer<vtkFeatureEdges>::New();
 
  FeatureEdges->SetInput(Reader->GetOutput());
 
  FeatureEdges->BoundaryEdgesOn();
 
  FeatureEdges->FeatureEdgesOff();
 
  FeatureEdges->ManifoldEdgesOff();
 
  FeatureEdges->NonManifoldEdgesOff();
 
 
 
  vtkSmartPointer<vtkXMLPolyDataWriter> Writer = vtkSmartPointer<vtkXMLPolyDataWriter>::New();
 
  Writer->SetFileName(OutputFilename.c_str());
 
  Writer->SetInput(FeatureEdges->GetOutput());
 
  Writer->Write();
 
 
 
  return 0;
 
}
 
 
 
</source>
 
 
 
==CMakeLists.txt
 
<source lang="text">
 
cmake_minimum_required(VERSION 2.6)
 
 
 
PROJECT(BoundaryEdges)
 
 
 
FIND_PACKAGE(VTK REQUIRED)
 
INCLUDE(${VTK_USE_FILE})
 
 
 
ADD_EXECUTABLE(BoundaryEdges BoundaryEdges.cxx)
 
TARGET_LINK_LIBRARIES(BoundaryEdges vtkHybrid)
 
 
 
 
 
</source>
 

Latest revision as of 18:42, 27 March 2019