khalimskySpaceScanner.cpp File Reference

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/topology/KhalimskySpaceND.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/io/Color.h"
#include "DGtal/io/boards/Board2D.h"

Include dependency graph for khalimskySpaceScanner.cpp:

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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

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

Date

2011/04/30

An example file named KhalimskySpaceScanner.

This file is part of the DGtal library.

Definition in file khalimskySpaceScanner.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv )

Definition at line 62 of file khalimskySpaceScanner.cpp.

{
  trace.beginBlock ( "Example KhalimskySpaceScanner" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
  
  
  Board2D boardScan1; // for 2D display
  Board2D boardScan2; // for 2D display
  
 
  Z2i::KSpace K;
  Z2i::Point plow(0,0);
  Z2i::Point pup(3,2);
  
  Z2i::Domain dom (plow, pup);
  boardScan1 << SetMode( dom.className(), "Paving" )
        << dom;
  boardScan2 << SetMode( dom.className(), "Paving" )
        << dom;
  
  K.init( dom.lowerBound(),dom.upperBound(), true );
  
 
  
 Z2i::KSpace::Cell q = K.uSpel(plow);
 Z2i::KSpace::Cell p = K.uSpel(plow);
 
  
 Z2i::Vector shift;
 Z2i::KSpace::Cell prec=p;
 bool first=true;
 // Simple way to scan Khalimsky space 
 do 
   {
     boardScan1 << p;
     if(first){
       first=false;
       prec=p;
       continue;
     }
     // Drawing the scan arrows
     boardScan1.setPenColor( Color( 30, 30, 200 ));
     shift =   K.uCoords(p)-K.uCoords(prec);  
      Display2DFactory::draw(boardScan1, shift, K.uCoords(prec));
     prec=p;     
   }
 while ( K.uNext( p, K.uFirst(p), K.uLast(p) ) ); 
 
 
 
 
 // Other way to scan Khalimsky space by controlling axis order
 Z2i::Vector shiftq;
 Z2i::KSpace::Cell precq = q;
 bool firstq = true;
 using KPS = Z2i::KPreSpace;
 for ( KPS::Cell qq = K.uGetMax(q, 0); K.uIsInside(qq, 0); qq = KPS::uGetDecr(qq, 0) )
   {
     for ( KPS::uSetKCoord( qq, K.uFirst( qq, 1 ), 1 ); K.uIsInside(qq, 1); qq = KPS::uGetIncr(qq, 1) )
       {
         q = K.uCell( qq );
         boardScan2 << q;
         if(firstq){
             firstq = false;
             precq = q;
             continue;
         }
         // Drawing the scan arrows
         shiftq = K.uCoords(q) - K.uCoords(precq);
         boardScan2.setPenColor( Color( 30, 30, 200 ));
         Display2DFactory::draw(boardScan2, shiftq, K.uCoords(precq));
         precq = q;
       }
   }
 
 boardScan1.saveSVG("khalimskySpaceScanner1.svg");
 boardScan1.saveFIG("khalimskySpaceScanner1.fig");
 
 boardScan2.saveSVG("khalimskySpaceScanner2.svg");
 boardScan2.saveFIG("khalimskySpaceScanner2.fig");
  
  return 0;
 
}

References DGtal::Trace::beginBlock(), DGtal::HyperRectDomain< TSpace >::className(), DGtal::Display2DFactory::draw(), DGtal::Trace::info(), DGtal::KhalimskySpaceND< dim, TInteger >::init(), K, DGtal::HyperRectDomain< TSpace >::lowerBound(), LibBoard::Board::saveFIG(), LibBoard::Board::saveSVG(), LibBoard::Board::setPenColor(), DGtal::trace, DGtal::KhalimskySpaceND< dim, TInteger >::uCell(), DGtal::KhalimskySpaceND< dim, TInteger >::uCoords(), DGtal::KhalimskySpaceND< dim, TInteger >::uFirst(), DGtal::KhalimskySpaceND< dim, TInteger >::uGetMax(), DGtal::KhalimskySpaceND< dim, TInteger >::uIsInside(), DGtal::KhalimskySpaceND< dim, TInteger >::uLast(), DGtal::KhalimskySpaceND< dim, TInteger >::uNext(), DGtal::HyperRectDomain< TSpace >::upperBound(), and DGtal::KhalimskySpaceND< dim, TInteger >::uSpel().