testMeshReader.cpp

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#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/shapes/Mesh.h"
#include "DGtal/io/readers/MeshReader.h"
#include "DGtal/helpers/StdDefs.h"
 
#include "ConfigTest.h"

 
using namespace std;
using namespace DGtal;
 
 
 
struct Point3D{
  using Component = double;
 
  static const unsigned int dimension = 3;
  const Component & operator[]( unsigned int i ) const{
    assert(i<3);
    switch (i){
    case 0: {return x;}
    case 1: {return y;}
    case 2: {return z;}
    }
    return x;
  };
 
   Component & operator[]( unsigned int i ) {
    assert(i<3);
    switch (i){
    case 0: {return x;}
    case 1: {return y;}
    case 2: {return z;}
    }
    return x;
  };
 
  Component  x, y,z;
};
 
 
typedef Point3D Point;
 
 
 
 
 
 
 

// Functions for testing class MeshReader.

bool testMeshReader()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  trace.beginBlock ( "Testing block ..." );
  nb++;
  std::string filenameOFF = testPath + "samples/box.off";
  Mesh<Point> a3DMesh;
  bool importOK = a3DMesh << filenameOFF;
  nbok += importOK ? 1 : 0;
 
 
  nb++;
  Mesh<Point>::MeshFace aFace = a3DMesh.getFace(0);
  bool isWellImported = (a3DMesh.nbVertex()==8) &&  (a3DMesh.nbFaces()==6) && (aFace.size()==4) && (aFace.at(0)==0);
  nbok+=isWellImported? 1: 0;
 
 
  trace.info() << "(" << nbok << "/" << nb << ") "
    << "true == true" << std::endl;
 
 
  nb++;
  std::string filenameOFS = testPath + "samples/testMesh.ofs";
  Mesh<Point> a3DMesh2;
  bool importOK2=  a3DMesh2 << filenameOFS;
  nbok += importOK2 ? 1 : 0;
 
  nb++;
  std::string filenameOBJ = testPath + "samples/testObj.obj";
  Mesh<Point> a3DMesh3;
  bool importOK3=  a3DMesh3 << filenameOBJ;
  nbok += importOK3 ? 1 : 0;
 
  nb++;
  bool importOK4 = a3DMesh3.getFaceColor(0) == DGtal::Color::Red &&
                   a3DMesh3.getFaceColor(5) == DGtal::Color::Purple;
  nbok += importOK4 ? 1 : 0;
 
  nb++;
  Mesh<Point>::MeshFace aFace2 = a3DMesh2.getFace(0);
  bool isWellImported2 = (a3DMesh2.nbVertex()==32) &&  (a3DMesh2.nbFaces()==60) && (aFace2.size()==3) && (aFace2.at(0)==0);
  nbok+=isWellImported2? 1: 0;
 
  nb++;
  std::string filenameOBJrel = testPath + "samples/testObjRel.obj";
  Mesh<Point> a3DMesh4;
  bool importOK5 =  a3DMesh4 << filenameOBJrel;
  nbok += importOK5 ? 1 : 0;
 
  nb++;
  bool importOK6 = a3DMesh4.getFaceColor(0) == DGtal::Color::Red &&
                   a3DMesh4.getFaceColor(5) == DGtal::Color::Purple;
  nbok += importOK6 ? 1 : 0;
 
 
  trace.info() << "(" << nbok << "/" << nb << ") "
    << "true == true" << std::endl;
  trace.endBlock();
 
 
  return nbok == nb;
}

// Standard services - public :
 
int main( int argc, char** argv )
{
  trace.beginBlock ( "Testing class MeshReader" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  bool res = testMeshReader(); // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}
//                                                                           //