dgtalBoard2D-4-colormaps.cpp File Reference

#include <cmath>
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/io/Color.h"
#include "DGtal/io/colormaps/GradientColorMap.h"
#include "DGtal/shapes/Shapes.h"
#include "DGtal/helpers/StdDefs.h"

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Functions
int	main ()

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 5807), University of Savoie, France

Date

2010/11/26

An example file named dgtalboard-4-colormaps.

This file is part of the DGtal library.

Definition in file dgtalBoard2D-4-colormaps.cpp.

Function Documentation

main()

int main

(

void

)

Definition at line 56 of file dgtalBoard2D-4-colormaps.cpp.

{
  trace.beginBlock ( "Example dgtalBoard2D-4-colormaps" );
 
  Point p1( -10, -7 );
  Point p2( 10, 7 );
  Domain domain( p1, p2 );
  Point c1( -5, -1 );
  Point c2( 5, 1 );
  DigitalSet shape_set( domain );
  Shapes<Domain>::addNorm1Ball( shape_set, c1, 5 );
  Shapes<Domain>::addNorm1Ball( shape_set, c2, 5 );
  shape_set.erase( c1 );
  shape_set.erase( c2 );
 
  // Creating colormap.
  GradientColorMap<int> cmap_grad( 0, 15 );
  cmap_grad.addColor( Color( 50, 50, 255 ) );
  cmap_grad.addColor( Color( 255, 0, 0 ) );
  cmap_grad.addColor( Color( 255, 255, 10 ) );
 
  // Creating board.
  Board2D board;
  board << SetMode( domain.className(), "Paving" )
  << domain
  << SetMode( p1.className(), "Paving" );
  // This is the name of the style for a Point in mode "Paving".
  string specificStyle =  p1.className() + "/Paving";
  for ( DigitalSet::ConstIterator it = shape_set.begin();
  it != shape_set.end();
  ++it )
    {
      unsigned int d = (unsigned int) ceil( ( *it - c1 ).norm() );
      // specific color depending on the distance to point c1.
      board << CustomStyle( specificStyle,
          new CustomColors( Color::Black,
                cmap_grad( d ) ) )
      << *it;
    }
  board.saveSVG( "dgtalBoard2D-4-colormaps.svg");
  board.saveEPS( "dgtalBoard2D-4-colormaps.eps");
  board.saveTikZ( "dgtalBoard2D-4-colormaps.tikz");
 
#ifdef WITH_CAIRO
  board.saveCairo("dgtalBoard2D-4-colormaps-cairo.pdf", Board2D::CairoPDF);
  board.saveCairo("dgtalBoard2D-4-colormaps-cairo.png", Board2D::CairoPNG);
  board.saveCairo("dgtalBoard2D-4-colormaps-cairo.ps", Board2D::CairoPS);
  board.saveCairo("dgtalBoard2D-4-colormaps-cairo.svg", Board2D::CairoSVG);
#endif
 
  trace.endBlock();
  return 0;
}

References DGtal::GradientColorMap< PValue, PDefaultPreset, PDefaultFirstColor, PDefaultLastColor >::addColor(), DGtal::Shapes< TDomain >::addNorm1Ball(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::begin(), DGtal::Trace::beginBlock(), DGtal::Color::Black, DGtal::HyperRectDomain< TSpace >::className(), DGtal::PointVector< dim, TEuclideanRing, TContainer >::className(), domain, DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::end(), DGtal::Trace::endBlock(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::erase(), LibBoard::Board::saveCairo(), LibBoard::Board::saveEPS(), LibBoard::Board::saveSVG(), LibBoard::Board::saveTikZ(), and DGtal::trace.