viewer3D-8-2DSliceImages.cpp File Reference

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/images/ImageHelper.h"
#include "ConfigExamples.h"
#include "DGtal/io/viewers/Viewer3D.h"
#include "DGtal/io/DrawWithDisplay3DModifier.h"
#include "DGtal/io/viewers/DrawWithViewer3DModifier.h"
#include "DGtal/io/colormaps/HueShadeColorMap.h"
#include "DGtal/io/Color.h"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)
	[ExampleViewer3D2DImagesExtractImagesColorFct] More...

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author

Bertrand Kerautret (kerau.nosp@m.tre@.nosp@m.loria.nosp@m..fr ) LORIA (CNRS, UMR 7503), University of Nancy, France

Date

2013/04/29

An example file named viewer3D-8-2DSliceImages .

This file is part of the DGtal library.

Definition in file viewer3D-8-2DSliceImages.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

[ExampleViewer3D2DImagesExtractImagesColorFct]

[ExampleViewer3D2DImagesExtractImages]

[ExampleViewer3D2DImagesExtractImages]

[ExampleViewer3D2DChangeMode]

[ExampleViewer3D2DChangeMode]

[ExampleViewer3D2DImagesDisplayImages]

[ExampleViewer3D2DImagesDisplayImages]

[ExampleViewer3D2DImagesDisplayImagesColor]

[ExampleViewer3D2DImagesDisplayImagesColor]

[ExampleViewer3D2DModifImages]

[ExampleViewer3D2DModifImages]

[ExampleViewer3D2DModifImagesColor]

[ExampleViewer3D2DModifImagesColor]

Definition at line 69 of file viewer3D-8-2DSliceImages.cpp.

{
 
  typedef DGtal::ImageContainerBySTLVector<DGtal::Z3i::Domain,  unsigned char > Image3D;
  QApplication application(argc,argv);
  typedef Viewer3D<> MyViewer;
  MyViewer viewer;
  viewer.show();
  std::string inputFilename = examplesPath + "samples/lobster.vol";
  Image3D imageVol = VolReader<Image3D>::importVol(inputFilename);
 
 
  // Extracting the 2D images from the 3D one and from a given dimension.
  // First image  the teenth Z slice (dim=2)
  typedef DGtal::ConstImageAdapter<Image3D, DGtal::Z2i::Domain, DGtal::functors::Projector< DGtal::Z3i::Space>,
           Image3D::Value,  DGtal::functors::Identity >  MySliceImageAdapter;
 
  // Define the functor to recover a 2D domain from the 3D one in the Z direction (2):
  DGtal::functors::Projector<DGtal::Z2i::Space>  transTo2DdomainFunctorZ; transTo2DdomainFunctorZ.initRemoveOneDim(2);
  DGtal::Z2i::Domain domain2DZ(transTo2DdomainFunctorZ(imageVol.domain().lowerBound()),
             transTo2DdomainFunctorZ(imageVol.domain().upperBound()));
 
  // Define the functor to associate 2D coordinates to the 3D one by giving the direction Z (2) and the slide numnber (10):
  DGtal::functors::Projector<DGtal::Z3i::Space> aSliceFunctorZ(10); aSliceFunctorZ.initAddOneDim(2);
 
  // We can now obtain the slice image (a ConstImageAdapter):
  const auto identityFunctor = DGtal::functors::Identity();
  MySliceImageAdapter aSliceImageZ(imageVol, domain2DZ, aSliceFunctorZ, identityFunctor );
 
  // Second image  the fiftieth Y slice (dim=1)
  // Define the functor to recover a 2D domain from the 3D one in the Y direction (1):
  DGtal::functors::Projector<DGtal::Z2i::Space>  transTo2DdomainFunctorY; transTo2DdomainFunctorY.initRemoveOneDim(1);
  DGtal::Z2i::Domain domain2DY(transTo2DdomainFunctorY(imageVol.domain().lowerBound()),
             transTo2DdomainFunctorY(imageVol.domain().upperBound()));
 
  // Define the functor to associate 2D coordinates to the 3D one by giving the direction Y (1) and the slide numnber (50):
  DGtal::functors::Projector<DGtal::Z3i::Space> aSliceFunctorY(50); aSliceFunctorY.initAddOneDim(1);
 
  // We can now obtain the slice image (a ConstImageAdapter):
  MySliceImageAdapter aSliceImageY(imageVol, domain2DY, aSliceFunctorY, identityFunctor );
 
  viewer << SetMode3D(aSliceImageZ.className(), "BoundingBox");
  viewer << MyViewer::updateDisplay;
 
  viewer <<  aSliceImageZ;
  viewer <<  aSliceImageY;
 
  viewer << SetMode3D(aSliceImageZ.className(), "");
  viewer << AddTextureImage2DWithFunctor<MySliceImageAdapter, hueFct, Z3i::Space, Z3i::KSpace> (aSliceImageZ, hueFct(), Viewer3D<Z3i::Space, Z3i::KSpace>::RGBMode);
  viewer << AddTextureImage2DWithFunctor<MySliceImageAdapter, hueFct, Z3i::Space, Z3i::KSpace> (aSliceImageY, hueFct(), Viewer3D<Z3i::Space, Z3i::KSpace>::RGBMode);
 
 
  viewer << DGtal::UpdateImagePosition<Z3i::Space, Z3i::KSpace>(1, MyViewer::yDirection, 0.0,  50.0, 0.0);
  viewer << DGtal::UpdateImageData<MySliceImageAdapter>(0, aSliceImageZ,  0, 0, 10);
  viewer << MyViewer::updateDisplay;
 
 
  viewer << DGtal::UpdateImagePosition<Z3i::Space, Z3i::KSpace>(3, MyViewer::yDirection, 500.0,  50.0, 0.0);
  viewer << DGtal::UpdateImageData<MySliceImageAdapter, hueFct>(2, aSliceImageZ, 500, 0, 10, 0.0, MyViewer::zDirection, hueFct());
  viewer << MyViewer::updateDisplay;
 
return application.exec();
 
}

References DGtal::VolReader< TImageContainer, TFunctor >::importVol(), DGtal::functors::Projector< S >::initAddOneDim(), DGtal::functors::Projector< S >::initRemoveOneDim(), DGtal::Viewer3D< TSpace, TKSpace >::show(), DGtal::Display3D< Space, KSpace >::updateDisplay, DGtal::Viewer3D< Space, KSpace >::yDirection, and DGtal::Viewer3D< Space, KSpace >::zDirection.