DGtal 1.3.0
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ctopo-2-3d.cpp File Reference
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/topology/KhalimskySpaceND.h"
#include "DGtal/topology/helpers/Surfaces.h"
#include "DGtal/io/viewers/Viewer3D.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/io/DrawWithDisplay3DModifier.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/images/imagesSetsUtils/SetFromImage.h"
#include "DGtal/io/Color.h"
#include "DGtal/io/colormaps/GradientColorMap.h"
#include "ConfigExamples.h"

Go to the source code of this file.


int main (int argc, char **argv)

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/.

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

An example file named ctopo-2-3d.

This file is part of the DGtal library.

Definition in file ctopo-2-3d.cpp.

Function Documentation

◆ main()

int main ( int  argc,
char **  argv 

Definition at line 53 of file ctopo-2-3d.cpp.

55 trace.beginBlock ( "Example ctopo-2-3d" );
56 // for 3D display with Viewer3D
57 QApplication application(argc,argv);
60 std::string inputFilename = examplesPath + "samples/cat10.vol";
61 Image image = VolReader<Image>::importVol(inputFilename);
62 Z3i::DigitalSet set3d (image.domain());
65 // Construct the Khalimsky space from the image domain
66 Z3i::KSpace ks;
67 bool space_ok = ks.init( image.domain().lowerBound(), image.domain().upperBound(), true );
69 if (!space_ok)
70 {
71 trace.error() << "Error in the Khamisky space construction."<<std::endl;
72 return 2;
73 }
75 std::vector<Z3i::SCell> vectBdrySCell;
76 std::vector<Z3i::SCell> vectBdrySCell2;
77 std::set<Z3i::SCell> vectBdrySCellALL;
78 SurfelAdjacency<3> SAdj( true );
82 //Extract an initial boundary cell
84 trace.info() << "Tracking Boundary.."<<std::endl;
85 // Extracting all boundary surfels which are connected to the initial boundary Cell.
87 ks,SAdj, set3d, aCell );
89 // Extract the bondary contour associated to the initial surfel in its first direction
91 ks, *(ks.sDirs( aCell )), SAdj,
92 set3d, aCell );
94 // Extract the bondary contour associated to the initial surfel in its second direction
96 ks, *(++(ks.sDirs( aCell ))), SAdj,
97 set3d, aCell );
100 // Displaying all the surfels in transparent mode
101 typedef Viewer3D <Z3i::Space,Z3i::KSpace> MyViewer;
102 MyViewer viewer(ks);
103 viewer.show();
105 trace.info() << "Displaying the surfels.."<<std::endl;
106 viewer << SetMode3D((*(vectBdrySCellALL.begin())).className(), "Transparent");
107 for( std::set<Z3i::SCell>::iterator it=vectBdrySCellALL.begin();
108 it!= vectBdrySCellALL.end(); it++){
109 viewer<< *it;
110 }
111 trace.info()<<"done"<<std::endl;
112 // Displaying First surfels cut with gradient colors.;
113 GradientColorMap<int> cmap_grad(0, (const int)vectBdrySCell2.size());
114 cmap_grad.addColor( Color( 50, 50, 255 ) );
115 cmap_grad.addColor( Color( 255, 0, 0 ) );
116 cmap_grad.addColor( Color( 255, 255, 10 ) );
118 // Need to avoid surfel superposition (the surfel size in increased)
119 viewer << Viewer3D<Z3i::Space,Z3i::KSpace>::shiftSurfelVisu;
120 viewer << SetMode3D((*(vectBdrySCell2.begin())).className(), "");
121 viewer.setFillColor(Color(180, 200, 25, 255));
123 int d=0;
124 for( std::vector<Z3i::SCell>::iterator it=vectBdrySCell2.begin();
125 it!= vectBdrySCell2.end(); it++){
126 Color col= cmap_grad(d);
127 viewer.setFillColor(Color(col.red(),col.green() ,col.blue(), 255));
128 viewer<< *it;
129 d++;
130 }
132 GradientColorMap<int> cmap_grad2(0, (const int)vectBdrySCell.size());
133 cmap_grad2.addColor( Color( 50, 50, 255 ) );
134 cmap_grad2.addColor( Color( 255, 0, 0 ) );
135 cmap_grad2.addColor( Color( 255, 255, 10 ) );
136 viewer << Viewer3D<>::shiftSurfelVisu;
138 d=0;
139 for( std::vector<Z3i::SCell>::iterator it=vectBdrySCell.begin();
140 it!= vectBdrySCell.end(); it++){
141 Color col= cmap_grad2(d);
142 viewer.setFillColor(Color(col.red(),col.green() ,col.blue(), 255));
143 viewer<< *it;
144 d++;
145 }
147 // On need once again to avoid superposition.
149 viewer.setFillColor(Color(18, 200, 25, 255));
150 viewer << aCell ;
151 viewer << MyViewer::updateDisplay;
153 return application.exec();
Structure representing an RGB triple with alpha component.
Definition: Color.h:68
void green(const unsigned char aGreenValue)
void red(const unsigned char aRedValue)
void blue(const unsigned char aBlueValue)
Aim: A wrapper class around a STL associative container for storing sets of digital points within som...
Aim: This class template may be used to (linearly) convert scalar values in a given range into a colo...
Aim: implements association bewteen points lying in a digital domain and values.
Definition: Image.h:70
Aim: This class is a model of CCellularGridSpaceND. It represents the cubical grid as a cell complex,...
bool init(const Point &lower, const Point &upper, bool isClosed)
Specifies the upper and lower bounds for the maximal cells in this space.
DirIterator sDirs(const SCell &p) const
Given a signed cell [p], returns an iterator to iterate over each coordinate the cell spans.
static void trackBoundary(SCellSet &surface, const KSpace &K, const SurfelAdjacency< KSpace::dimension > &surfel_adj, const PointPredicate &pp, const SCell &start_surfel)
static SCell findABel(const KSpace &K, const PointPredicate &pp, unsigned int nbtries=1000)
static void track2DSliceBoundary(std::vector< SCell > &aSCellContour2D, const KSpace &K, const Dimension &trackDir, const SurfelAdjacency< KSpace::dimension > &surfel_adj, const PointPredicate &pp, const SCell &start_surfel)
Aim: Represent adjacencies between surfel elements, telling if it follows an interior to exterior ord...
void beginBlock(const std::string &keyword="")
std::ostream & error()
std::ostream & info()
Trace trace
Definition: Common.h:154
ImageContainerBySTLVector< Domain, Value > Type
Definition: ImageSelector.h:78
Aim: Define utilities to convert a digital set into an image.
Definition: SetFromImage.h:64
Modifier class in a Display3D stream. Useful to choose your own mode for a given class....
Represents a signed cell in a cellular grid space by its Khalimsky coordinates and a boolean value.
static ImageContainer importVol(const std::string &filename, const Functor &aFunctor=Functor())

References DGtal::GradientColorMap< PValue, PDefaultPreset, PDefaultFirstColor, PDefaultLastColor >::addColor(), DGtal::Trace::beginBlock(), DGtal::Color::blue(), DGtal::Trace::error(), DGtal::Surfaces< TKSpace >::findABel(), DGtal::Color::green(), DGtal::VolReader< TImageContainer, TFunctor >::importVol(), DGtal::Trace::info(), DGtal::KhalimskySpaceND< dim, TInteger >::init(), DGtal::Color::red(), DGtal::KhalimskySpaceND< dim, TInteger >::sDirs(), DGtal::Display3D< Space, KSpace >::setFillColor(), DGtal::Display3D< Space, KSpace >::shiftSurfelVisu, DGtal::Viewer3D< TSpace, TKSpace >::show(), DGtal::trace, DGtal::Surfaces< TKSpace >::track2DSliceBoundary(), DGtal::Surfaces< TKSpace >::trackBoundary(), and DGtal::Display3D< Space, KSpace >::updateDisplay.