mesh3DConstructionAndVisualisation.cpp

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#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/shapes/Mesh.h"
#include "DGtal/io/viewers/PolyscopeViewer.h"
 
using namespace std;
using namespace DGtal;
using namespace DGtal::Z3i;
 
 
int main()
{

  PolyscopeViewer<> viewer;
 

  // A mesh is constructed and faces are added from the vertex set.
  Mesh<Point> aMesh(true);

  aMesh.addVertex(Point(0,0,0));
  aMesh.addVertex(Point(1,0,0));
  aMesh.addVertex(Point(1,1,0));
 
  aMesh.addVertex(Point(0,0,1));
  aMesh.addVertex(Point(1,0,1));
  aMesh.addVertex(Point(1,1,1));
  aMesh.addVertex(Point(0,1,1));
 
  aMesh.addVertex(Point(0,1,0));
  aMesh.addVertex(Point(0,2,0));
  aMesh.addVertex(Point(0,3,1));
  aMesh.addVertex(Point(0,2,2));
  aMesh.addVertex(Point(0,1,2));
  aMesh.addVertex(Point(0,0,1));
  aMesh.addTriangularFace(0, 1, 2, Color(150,0,150,104));
  aMesh.addQuadFace(6,5,4,3, Color::Blue);

  Mesh<Point>::MeshFace listIndex;
  listIndex.push_back(7);
  listIndex.push_back(8);
  listIndex.push_back(9);
  listIndex.push_back(10);
  listIndex.push_back(11);
  listIndex.push_back(12);
  aMesh.addFace(listIndex, Color(150,150,0,54));

  viewer.drawColor(Color(150,0,0,254));
  viewer << aMesh;
  viewer.show();
  return 0;
}
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