shapes/exampleEuclideanShapesDecorator.cpp

Example of EuclideanShapesDecorator

See also

Shapes, Shapers and Digitizers

Result obtained from CSG operations with implicit balls.

 
 
#include <iostream>
#include "DGtal/base/Common.h"
 
// Shape construction
#include "DGtal/shapes/GaussDigitizer.h"
#include "DGtal/topology/LightImplicitDigitalSurface.h"
#include "DGtal/topology/DigitalSurface.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/images/ImageHelper.h"
#include "DGtal/shapes/Shapes.h"
#include "DGtal/shapes/implicit/ImplicitBall.h"
#include "DGtal/shapes/EuclideanShapesDecorator.h"
 
// Drawing
#include "DGtal/io/boards/Board2D.h"
 
 
using namespace std;
using namespace DGtal;
 
 
int main( int argc, char** argv )
{
    trace.beginBlock ( "Example EuclideanShapesDecorator" );
    trace.info() << "Args:";
    for ( int i = 0; i < argc; ++i )
        trace.info() << " " << argv[ i ];
    trace.info() << endl;
 
    double h = 1.0;
 
    typedef ImplicitBall< Z2i::Space > MyEuclideanShapeA;
    typedef ImplicitBall< Z2i::Space > MyEuclideanShapeB;
    MyEuclideanShapeA shapeA( Z2i::RealPoint( 0.0, 0.0 ), 15 );
    MyEuclideanShapeB shapeB( Z2i::RealPoint( 0.0, 0.0 ), 10 );
    MyEuclideanShapeB shapeC( Z2i::RealPoint( -5.0, 0.0 ), 5 );
 
    typedef EuclideanShapesCSG< MyEuclideanShapeA, MyEuclideanShapeB > Minus;
    Minus s_minus ( shapeA );
    s_minus.minus( shapeB );
    s_minus.plus( shapeC );
 
    typedef GaussDigitizer< Z2i::Space, Minus > MyGaussDigitizer;
    MyGaussDigitizer digShape;
    digShape.attach( s_minus );
    digShape.init( s_minus.getLowerBound(), s_minus.getUpperBound(), h );
    Z2i::Domain domainShape = digShape.getDomain();
    Z2i::DigitalSet aSet( domainShape );
    Shapes<Z2i::Domain>::digitalShaper( aSet, digShape );
 
    Board2D board;
    board << SetMode( domainShape.className(), "Paving" )
          << domainShape;
 
    Color dorange ( 255,  136,  0,  220 );
 
    board << CustomStyle( aSet.className(), new CustomFillColor( dorange ));
    board << aSet;
 
    board.saveSVG ( "example-EuclideanShapesDecorator.svg" );
 
    trace.endBlock();
    return 0;
}
 
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