DGtal  1.4.beta

Example of OFF generation from a Display3D object.

See also
Export 3D mesh in OFF and OBJ format
Visualisation of the Display3D mesh export using MeshLab software (http://meshlab.sourceforge.net).
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/io/Display3D.h"
#include "DGtal/io/DrawWithDisplay3DModifier.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/images/imagesSetsUtils/SetFromImage.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"
using namespace std;
using namespace DGtal;
using namespace Z3i;
int main( int /*argc*/, char** /*argv*/ )
std::string inputFilename = examplesPath + "samples/Al.100.vol";
Display3D<Space, KSpace> viewer;
typedef ImageSelector < Z3i::Domain, int>::Type Image;
Image image = VolReader<Image>::importVol(inputFilename);
Z3i::DigitalSet set3d (image.domain());
SetFromImage<Z3i::DigitalSet>::append<Image>(set3d, image, 0,255);
viewer << set3d ;
viewer >> "exportMeshToOFF.off";
return 0;
DGtal is the top-level namespace which contains all DGtal functions and types.
int main(int argc, char **argv)
ImageContainerBySTLVector< Domain, Value > Image
Z2i::DigitalSet DigitalSet