DGtal  1.2.0

Example of 2D slice images extraction from 3D images.

Example of resulting 2D slices images of the sample/lobster.vol file.
#include <iostream>
#include <sstream>
#include "DGtal/kernel/BasicPointFunctors.h"
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/io/writers/PGMWriter.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/images/ConstImageAdapter.h"
#include "ConfigExamples.h"
using namespace std;
using namespace DGtal;
int main( )
typedef ImageSelector < Z3i::Domain, unsigned char>::Type Image3D;
typedef ImageSelector < Z2i::Domain, unsigned char>::Type Image2D;
// Importing a 3D image
std::string filename = examplesPath + "samples/lobster.vol";
Image3D image = VolReader<Image3D>::importVol( filename );
DGtal::Z2i::Domain domain(proj(image.domain().lowerBound()),
trace.beginBlock ( "Example extract2DImagesFrom3D" );
// Extracting 2D slices ... and export them in the pgm format.
for (unsigned int i=0; i<30; i+=10){
std::stringstream name;
name << "lobsterSliceZ_" << i << ".pgm";
DGtal::functors::Projector<Z3i::Space> aSliceFunctor(i); aSliceFunctor.initAddOneDim(2);
SliceImageAdapter sliceImageZ(image, domain, aSliceFunctor, idV);
PGMWriter<SliceImageAdapter>::exportPGM(name.str(), sliceImageZ);
// trace.endBlock();
return 0;
// //
Aim: implements a const image adapter with a given domain (i.e. a subdomain) and 2 functors : g for d...
void beginBlock(const std::string &keyword="")
DGtal is the top-level namespace which contains all DGtal functions and types.
Trace trace
Definition: Common.h:154
Aim: Define a simple default functor that just returns its argument.
Aim: Functor that maps a point P of dimension i to a point Q of dimension j. The member myDims is an ...
void initAddOneDim(const Dimension &newDim)
int main(int argc, char **argv)
Domain domain