shapes/exampleMeshVoxelizer.cpp

Resulting digitization of a cube

 
#include <iostream>
#include "ConfigExamples.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/base/Common.h"
#include "DGtal/shapes/Mesh.h"
#include "DGtal/shapes/MeshVoxelizer.h"
#include "DGtal/io/boards/Board3D.h"
#include "DGtal/io/writers/MeshWriter.h"
 
using namespace std;
using namespace DGtal;
 
 
int main( )
{
  trace.beginBlock ( "Example MeshVoxelizer" );
 
 
  using namespace Z3i;
  Mesh<Point> aMesh;
 
  trace.info()<<"Creating a cube"<<std::endl;
  //Creating a cube
  aMesh.addVertex(Point(0,0,0));
  aMesh.addVertex(Point(1,0,0));
  aMesh.addVertex(Point(1,1,0));
  aMesh.addVertex(Point(0,1,0));
  aMesh.addVertex(Point(0,1,1));
  aMesh.addVertex(Point(1,1,1));
  aMesh.addVertex(Point(1,0,1));
  aMesh.addVertex(Point(0,0,1));
  
  aMesh.addQuadFace(0,1,2,3);
  aMesh.addQuadFace(1,2,5,6);
  aMesh.addQuadFace(7,6,5,4);
  aMesh.addQuadFace(3,2,5,4);
  aMesh.addQuadFace(0,3,4,7);
  aMesh.addQuadFace(0,1,6,7);
  
 
  Domain domain(Point(0,0,0), Point(128,128,128));
  DigitalSet outputSet(domain);
  
  MeshVoxelizer<DigitalSet, 6> voxelizer;
 
  trace.info()<<"Digitization..."<<std::endl;
  voxelizer.voxelize(outputSet, aMesh, 15.0);
 
  trace.info()<<"Got "<< outputSet.size() << " voxels."<<std::endl;
 
  Board3D<> board;
  for(auto voxel : outputSet)
    board << voxel;
  board.saveOBJ("voxelizedCube.obj");
  
  
  
  trace.endBlock();
  return 0;
}
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