DGtal 1.3.0
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Typedefs | Functions
fullConvexityCollapsiblePoints2D.cpp File Reference
#include <vector>
#include "DGtal/shapes/Shapes.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/io/Color.h"
#include "DGtal/geometry/volumes/DigitalConvexity.h"
#include "DGtal/geometry/volumes/NeighborhoodConvexityAnalyzer.h"
#include "DGtal/helpers/Shortcuts.h"
#include "ConfigExamples.h"

Go to the source code of this file.

Typedefs

typedef DigitalConvexity< KSpaceDConv
 
typedef Shortcuts< KSpaceSH2
 
typedef NeighborhoodConvexityAnalyzer< KSpace, 1 > NCA1
 

Functions

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/.

Author
Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5127), University of Savoie, France
Date
2021/06/22

An example file named fullConvexityCollapsiblePoints2D.

This file is part of the DGtal library.

Definition in file fullConvexityCollapsiblePoints2D.cpp.

Typedef Documentation

◆ DConv

◆ NCA1

◆ SH2

typedef Shortcuts<KSpace> SH2

Function Documentation

◆ main()

int main ( int  argc,
char **  argv 
)

Definition at line 61 of file fullConvexityCollapsiblePoints2D.cpp.

62{
63 double noise = argc > 1 ? atof( argv[ 1 ] ) : 0.1;
64 auto params = SH2::defaultParameters();
65 params( "noise", noise )( "thresholdMin", 128 );
66 auto g_image = SH2::makeGrayScaleImage( examplesPath + "samples/contourS.pgm" );
67 auto b_image = SH2::makeBinaryImage ( g_image, params );
68 Board2D board;
69 Domain image_domain = b_image->domain();
70 NCA1 nca1( image_domain.lowerBound(), image_domain.upperBound() );
71 for ( auto p : image_domain )
72 {
73 nca1.setCenter( p, (*b_image) );
74 bool simple = nca1.isFullyConvexCollapsible();
75 if ( (*b_image)( p ) )
76 board << CustomStyle( p.className(),
77 simple
78 ? new CustomColors( Color( 0, 0, 0 ),
79 Color( 10, 255, 10 ) )
80 : new CustomColors( Color( 0, 0, 0 ),
81 Color( 255, 10, 10 ) ) );
82 else
83 board << CustomStyle( p.className(),
84 simple
85 ? new CustomColors( Color( 0, 0, 0 ),
86 Color( 180, 255, 180 ) )
87 : new CustomColors( Color( 0, 0, 0 ),
88 Color( 255, 180, 180 ) ) );
89 board << p;
90 }
91 board.saveEPS( "contour-fcvx-collapsible.eps" );
92 return 0;
93}
Aim: This class specializes a 'Board' class so as to display DGtal objects more naturally (with <<)....
Definition: Board2D.h:71
Structure representing an RGB triple with alpha component.
Definition: Color.h:68
const Point & lowerBound() const
const Point & upperBound() const
Aim: A class that models a neighborhood and that provides services to analyse the convexity properti...
static CountedPtr< GrayScaleImage > makeGrayScaleImage(Domain aDomain)
Definition: Shortcuts.h:736
static Parameters defaultParameters()
Definition: Shortcuts.h:203
static CountedPtr< BinaryImage > makeBinaryImage(Domain shapeDomain)
Definition: Shortcuts.h:561
void saveEPS(const char *filename, PageSize size=Board::BoundingBox, double margin=10.0) const
Definition: Board.cpp:805
Custom style class redefining the pen color and the fill color. You may use Board2D::Color::None for ...
Definition: Board2D.h:279

References DGtal::Shortcuts< TKSpace >::defaultParameters(), DGtal::NeighborhoodConvexityAnalyzer< TKSpace, K >::isFullyConvexCollapsible(), DGtal::HyperRectDomain< TSpace >::lowerBound(), DGtal::Shortcuts< TKSpace >::makeBinaryImage(), DGtal::Shortcuts< TKSpace >::makeGrayScaleImage(), LibBoard::Board::saveEPS(), DGtal::NeighborhoodConvexityAnalyzer< TKSpace, K >::setCenter(), and DGtal::HyperRectDomain< TSpace >::upperBound().