DGtal 1.3.0
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digitalSetToCubicalComplexes2D.cpp
Go to the documentation of this file.
1
40#include <iostream>
41#include <cmath>
42#include <map>
43#include "ConfigExamples.h"
44#include "DGtal/helpers/StdDefs.h"
45#include "DGtal/base/Common.h"
46// Cellular grid
47#include "DGtal/topology/CubicalComplex.h"
48// Shape construction
49#include "DGtal/shapes/GaussDigitizer.h"
50#include "DGtal/shapes/Shapes.h"
51#include "DGtal/shapes/EuclideanShapesDecorator.h"
52#include "DGtal/shapes/parametric/Flower2D.h"
53// Drawing
54#include "DGtal/io/boards/Board2D.h"
55#include "DGtal/io/Color.h"
57
58using namespace std;
59using namespace DGtal;
60using namespace functors;
61using namespace Z2i;
62
64
65int main( int , char** )
66{
67 trace.beginBlock ( "Example digitalSetToCubicalComplexes2D" );
68 trace.beginBlock ( "Generate a 2D shape." );
69 typedef Flower2D< Space > MyEuclideanShape;
70 MyEuclideanShape shape( RealPoint( 0.0, 0.0 ), 16, 5, 5, M_PI_2/2. );
71
72 typedef GaussDigitizer< Space, MyEuclideanShape > MyGaussDigitizer;
73 MyGaussDigitizer digShape;
74 digShape.attach( shape );
75 digShape.init ( shape.getLowerBound(), shape.getUpperBound(), 1.0 );
76 Domain domainShape = digShape.getDomain();
77 DigitalSet aSet( domainShape );
78 Shapes<Domain>::digitalShaper( aSet, digShape );
79
80 Board2D board;
81 board << SetMode( domainShape.className(), "Paving" ) << domainShape;
82 Color dorange ( 255, 136, 0, 220 );
83 board << CustomStyle( aSet.className(), new CustomFillColor ( dorange ) );
84 board << aSet;
86
87 trace.beginBlock ( "Generate a 2D cubical representation." );
88 typedef map<Cell, CubicalCellData> Map;
90
91 KSpace K;
92 K.init ( domainShape.lowerBound(), domainShape.upperBound(), true );
93 CC complex ( K );
94 complex.construct< DigitalSet >( aSet );
95
96 board << SetMode( domainShape.className(), "Paving" ) << domainShape;
97
99 for ( Dimension d = 0; d <= 2; ++d )
100 for ( CellMapConstIterator it = complex.begin( d ), itE = complex.end( d );
101 it != itE; ++it )
102 {
103 if ( d == 0 )
104 board << CustomStyle( it->first.className(),
105 new CustomColors( Color( 0, 0, 0 ),
106 Color( 0, 0, 0 ) ) );
107 else if ( d == 1 )
108 board << CustomStyle( it->first.className(),
109 new CustomColors( Color( 200, 0, 0 ),
110 Color( 100, 255, 100 ) ) );
111 else
112 board << CustomStyle( it->first.className(),
113 new CustomColors( Color( 0, 0, 200 ),
114 Color( 100, 255, 100 ) ) );
115 board << it->first;
116 }
117
118 board.saveEPS ( "cubicalComplexes.eps" );
119 trace.endBlock();
120 trace.endBlock();
121 return 0;
122}
123// //
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
Aim: This class represents an arbitrary cubical complex living in some Khalimsky space....
ConstIterator end() const
void construct(const TDigitalSet &set)
ConstIterator begin() const
CellMap::const_iterator CellMapConstIterator
Const iterator for visiting type CellMap.
Aim: A wrapper class around a STL associative container for storing sets of digital points within som...
Aim: Model of the concept StarShaped represents any flower with k-petals in the plane.
Definition: Flower2D.h:65
void attach(ConstAlias< EuclideanShape > shape)
const Point & lowerBound() const
const Point & upperBound() const
std::string className() const
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.
static void digitalShaper(TDigitalSet &aSet, const TShapeFunctor &aFunctor)
void beginBlock(const std::string &keyword="")
double endBlock()
void saveEPS(const char *filename, PageSize size=Board::BoundingBox, double margin=10.0) const
Definition: Board.cpp:805
Space::RealPoint RealPoint
Definition: StdDefs.h:97
DGtal is the top-level namespace which contains all DGtal functions and types.
DGtal::uint32_t Dimension
Definition: Common.h:137
Trace trace
Definition: Common.h:154
STL namespace.
Custom style class redefining the pen color and the fill color. You may use Board2D::Color::None for ...
Definition: Board2D.h:279
Custom style class redefining the fill color. You may use Board2D::Color::None for transparent color.
Definition: Board2D.h:343
Modifier class in a Board2D stream. Useful to choose your own mode for a given class....
Definition: Board2D.h:247
int main()
Definition: testBits.cpp:56
KSpace K
std::unordered_map< Cell, CubicalCellData > Map
CubicalComplex< KSpace, Map > CC
CC::CellMapConstIterator CellMapConstIterator