int main()
{
trace.beginBlock ( "Example of greedy alpha thick segment decompotion" );
typedef std::vector<Z2i::RealPoint>::const_iterator ConstIterator;
typedef AlphaThickSegmentComputer<Z2i::RealPoint, ConstIterator > AlphaThickSegmentComputer2D;
Board2D aBoard;
std::string file = examplesPath + "samples/contourSnoisy.sdp";
std::vector<Z2i::RealPoint> aContour = PointListReader<Z2i::RealPoint>::getPointsFromFile (file);
typedef GreedySegmentation<AlphaThickSegmentComputer2D> DecompositionAT;
// displaying contour
aBoard << SetMode(aContour[0].className(), "Grid");
std::vector<LibBoard::Point> poly;
for (unsigned int i = 0; i< aContour.size(); i++) poly.push_back(LibBoard::Point(aContour[i][0], aContour[i][1]));
aBoard.setPenColor(DGtal::Color::Gray);
aBoard.fillPolyline(poly);
// Computing greedy Alpha Thick decomposition.
//! [greedyAlphaThickDecompositionModeDisplay]
aBoard << SetMode("AlphaThickSegment", "BoundingBox");
//! [greedyAlphaThickDecompositionModeDisplay]
//! [greedyAlphaThickDecompositionAlgo]
DecompositionAT theDecomposition(aContour.begin(), aContour.end(), AlphaThickSegmentComputer2D(4));
//! [greedyAlphaThickDecompositionAlgo]
//! [greedyAlphaThickDecompositionDisplay]
for ( DecompositionAT::SegmentComputerIterator
it = theDecomposition.begin(),
itEnd = theDecomposition.end();
it != itEnd; ++it )
{
aBoard << CustomStyle( (*it).className(),
new CustomPenColor( Color::Blue ) );
aBoard<< *it;
}
//! [greedyAlphaThickDecompositionDisplay]
aBoard.saveEPS("greedyAlphaThickDecomposition.eps");
trace.endBlock();
return 0;
}
/**
* testDisplay
*
*/
bool testDisplay()
{
typedef FreemanChain<int> FreemanChain;
//typedef FreemanChain::Point Point;
//typedef FreemanChain::Vector Vector;
//typedef FreemanChain::ConstIterator Iterator;
//typedef std::vector<unsigned int> numVector;
Board2D aBoard;
aBoard.setUnit(Board::UCentimeter);
fstream fst;
fst.open ((testPath + "samples/contourS.fc").c_str() , ios::in);
FreemanChain fc(fst);
aBoard.setPenColor(Color::Red);
//aBoard << DrawPavingPixel();
aBoard << fc;
std::string filenameImage = testPath + "samples/contourS.png"; // ! only PNG with Cairo for the moment !
LibBoard::Image image( 0, 84, 185, 85, filenameImage, 20 );
image.shiftDepth(500);
LibBoard::Board & board = aBoard;
board << image;
aBoard.saveSVG( "testDisplayFC.svg", Board::BoundingBox, 5000 );
aBoard.saveEPS( "testDisplayFC.eps", Board::BoundingBox, 5000 );
aBoard.saveFIG( "testDisplayFC.fig", Board::BoundingBox, 5000 );
#ifdef WITH_CAIRO
aBoard.saveCairo("testDisplayFC-cairo.pdf", Board2D::CairoPDF, Board::BoundingBox, 5000);
aBoard.saveCairo("testDisplayFC-cairo.png", Board2D::CairoPNG, Board::BoundingBox, 5000);
aBoard.saveCairo("testDisplayFC-cairo.ps", Board2D::CairoPS, Board::BoundingBox, 5000);
aBoard.saveCairo("testDisplayFC-cairo.svg", Board2D::CairoSVG, Board::BoundingBox, 5000);
#endif
return true;
}
int
main(int argc, char ** argv){
typedef Z2i::Point Point;
std::vector<Point> contour = PointListReader<Point>::getPointsFromFile("../Samples/contourS.sdp");
Board2D aBoard;
for (auto&& p :contour) {
aBoard << p;
}
aBoard.setPenColor(DGtal::Color::Red);
aBoard.setFillColor(DGtal::Color::Red);
aBoard.drawCircle(contour[30][0], contour[30][1],1);
unsigned int startIndex = 30;
typedef AlphaThickSegmentComputer< Z2i::Point > AlphaThickSegmentComputer2D;
AlphaThickSegmentComputer2D aComputer(5);
aComputer.init(contour.begin()+30);
while(aComputer.extendFront()){
}
aBoard << CustomStyle( aComputer.className(), new CustomColors( DGtal::Color::Blue, DGtal::Color::None ) );
aBoard << aComputer;
aBoard.saveEPS("resultTuto2.eps");
return 0;
}
int main( int argc, char** argv )
{
// parse command line ----------------------------------------------
po::options_description general_opt("Allowed options are: ");
general_opt.add_options()
("help,h", "display this message")
("FreemanChain,f", po::value<std::string>(), "FreemanChain file name")
("SDP", po::value<std::string>(), "Import a contour as a Sequence of Discrete Points (SDP format)")
("SFP", po::value<std::string>(), "Import a contour as a Sequence of Floating Points (SFP format)")
("drawContourPoint", po::value<double>(), "<size> display contour points as disk of radius <size>")
("lineWidth", po::value<double>()->default_value(1.0), "Define the linewidth of the contour (SDP format)")
("withProcessing", po::value<std::string>(), "Processing (used only with --FreemanChain):\n\t DSS segmentation {DSS}\n\t Maximal segments {MS}\n\t Faithful Polygon {FP}\n\t Minimum Length Polygon {MLP}")
("outputEPS", po::value<std::string>(), " <filename> specify eps format (default format output.eps)")
("outputSVG", po::value<std::string>(), " <filename> specify svg format.")
("outputFIG", po::value<std::string>(), " <filename> specify fig format.")
#ifdef WITH_CAIRO
("outputPDF", po::value<std::string>(), "outputPDF <filename> specify pdf format. ")
("outputPNG", po::value<std::string>(), "outputPNG <filename> specify png format.")
("invertYaxis", " invertYaxis invert the Y axis for display contours (used only with --SDP)")
#endif
#ifdef WITH_MAGICK
("backgroundImage", po::value<std::string>(), "backgroundImage <filename> <alpha> : display image as background with transparency alpha (defaut 1) (transparency works only if cairo is available)")
("alphaBG", po::value<double>(), "alphaBG <value> 0-1.0 to display the background image in transparency (default 1.0)")
#endif
("scale", po::value<double>(), "scale <value> 1: normal; >1 : larger ; <1 lower resolutions )");
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, general_opt), vm);
po::notify(vm);
if(vm.count("help")||argc<=1 || (not(vm.count("FreemanChain")) && not(vm.count("SDP")) && not(vm.count("SFP"))&&
not(vm.count("backgroundImage")) ) )
{
trace.info()<< "Display discrete contours. " <<std::endl << "Basic usage: "<<std::endl
<< "\t displayContours [options] --FreemanChain <fileName> --imageName image.png "<<std::endl
<< general_opt << "\n";
return 0;
}
double lineWidth= vm["lineWidth"].as<double>();
double scale=1.0;
if(vm.count("scale")){
scale = vm["scale"].as<double>();
}
Board2D aBoard;
aBoard.setUnit (0.05*scale, LibBoard::Board::UCentimeter);
#ifdef WITH_MAGICK
double alpha=1.0;
if(vm.count("alphaBG")){
alpha = vm["alphaBG"].as<double>();
}
if(vm.count("backgroundImage")){
string imageName = vm["backgroundImage"].as<string>();
typedef ImageSelector<Z2i::Domain, unsigned char>::Type Image;
DGtal::MagickReader<Image> reader;
Image img = reader.importImage( imageName );
Z2i::Point ptInf = img.lowerBound();
Z2i::Point ptSup = img.upperBound();
unsigned int width = abs(ptSup.at(0)-ptInf.at(0)+1);
unsigned int height = abs(ptSup.at(1)-ptInf.at(1)+1);
aBoard.drawImage(imageName, 0-0.5,height-0.5, width, height, -1, alpha );
}
#endif
if(vm.count("FreemanChain")){
string fileName = vm["FreemanChain"].as<string>();
vector< FreemanChain<int> > vectFc = PointListReader< Z2i::Point>:: getFreemanChainsFromFile<int> (fileName);
//aBoard << SetMode( vectFc.at(0).styleName(), "InterGrid" );
aBoard << CustomStyle( vectFc.at(0).styleName(),
new CustomColors( Color::Red , Color::None ) );
for(unsigned int i=0; i<vectFc.size(); i++){
aBoard << vectFc.at(i) ;
if(vm.count("withProcessing")){
std::string processingName = vm["withProcessing"].as<std::string>();
vector<Z2i::Point> vPts(vectFc.at(i).size()+1);
copy ( vectFc.at(i).begin(), vectFc.at(i).end(), vPts.begin() );
bool isClosed;
if ( vPts.at(0) == vPts.at(vPts.size()-1) ) {
isClosed = true;
vPts.pop_back();
} else isClosed = false;
if (processingName == "DSS") {
typedef ArithmeticalDSS<vector<Z2i::Point>::iterator,int,4> DSS4;
typedef deprecated::GreedyDecomposition<DSS4> Decomposition4;
//Segmentation
DSS4 computer;
Decomposition4 theDecomposition( vPts.begin(),vPts.end(),computer,isClosed );
//for each segment
aBoard << SetMode( computer.styleName(), "BoundingBox" );
string styleName = computer.styleName() + "/BoundingBox";
for ( Decomposition4::SegmentIterator it = theDecomposition.begin();
it != theDecomposition.end(); ++it )
{
DSS4 segment(*it);
aBoard << CustomStyle( styleName,
new CustomPenColor( DGtal::Color::Gray ) );
aBoard << segment; // draw each segment
}
} else if (processingName == "MS") {
typedef ArithmeticalDSS<vector<Z2i::Point>::iterator,int,4> DSS4;
typedef deprecated::MaximalSegments<DSS4> Decomposition4;
//Segmentation
DSS4 computer;
Decomposition4 theDecomposition( vPts.begin(),vPts.end(),computer,isClosed );
//for each segment
aBoard << SetMode( computer.styleName(), "BoundingBox" );
string styleName = computer.styleName() + "/BoundingBox";
for ( Decomposition4::SegmentIterator it = theDecomposition.begin();
it != theDecomposition.end(); ++it )
{
DSS4 segment(*it);
aBoard << CustomStyle( styleName,
new CustomPenColor( DGtal::Color::Black ) );
aBoard << segment; // draw each segment
}
} else if (processingName == "FP") {
typedef FP<vector<Z2i::Point>::iterator,int,4> FP;
FP theFP( vPts.begin(),vPts.end(),isClosed );
aBoard << CustomStyle( theFP.styleName(),
new CustomPenColor( DGtal::Color::Black ) );
aBoard << theFP;
} else if (processingName == "MLP") {
typedef FP<vector<Z2i::Point>::iterator,int,4> FP;
FP theFP( vPts.begin(),vPts.end(),isClosed );
vector<FP::RealPoint> v( theFP.size() );
theFP.copyMLP( v.begin() );
//polyline to draw
vector<LibBoard::Point> polyline;
vector<FP::RealPoint>::const_iterator it = v.begin();
for ( ;it != v.end();++it) {
FP::RealPoint p = (*it);
polyline.push_back(LibBoard::Point(p[0],p[1]));
}
if (isClosed) {
FP::RealPoint p = (*v.begin());
polyline.push_back(LibBoard::Point(p[0],p[1]));
}
aBoard.setPenColor(DGtal::Color::Black);
aBoard.drawPolyline(polyline);
}
}
}
}
if(vm.count("SDP") || vm.count("SFP")){
bool drawPoints= vm.count("drawContourPoint");
bool invertYaxis = vm.count("invertYaxis");
double pointSize=1.0;
if(drawPoints){
pointSize = vm["drawContourPoint"].as<double>();
}
vector<LibBoard::Point> contourPt;
if(vm.count("SDP")){
string fileName = vm["SDP"].as<string>();
vector< Z2i::Point > contour =
PointListReader< Z2i::Point >::getPointsFromFile(fileName);
for(unsigned int j=0; j<contour.size(); j++){
LibBoard::Point pt((double)(contour.at(j)[0]),
(invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
contourPt.push_back(pt);
if(drawPoints){
aBoard.fillCircle(pt.x, pt.y, pointSize);
}
}
}
if(vm.count("SFP")){
string fileName = vm["SFP"].as<string>();
vector< PointVector<2,double> > contour =
PointListReader< PointVector<2,double> >::getPointsFromFile(fileName);
for(unsigned int j=0; j<contour.size(); j++){
LibBoard::Point pt((double)(contour.at(j)[0]),
(invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
contourPt.push_back(pt);
if(drawPoints){
aBoard.fillCircle(pt.x, pt.y, pointSize);
}
}
}
aBoard.setPenColor(Color::Red);
aBoard.setLineStyle (LibBoard::Shape::SolidStyle );
aBoard.setLineWidth (lineWidth);
aBoard.drawPolyline(contourPt);
}
if (vm.count("outputSVG")){
string outputFileName= vm["outputSVG"].as<string>();
aBoard.saveSVG(outputFileName.c_str());
} else
if (vm.count("outputFIG")){
string outputFileName= vm["outputFIG"].as<string>();
aBoard.saveFIG(outputFileName.c_str());
} else
if (vm.count("outputEPS")){
string outputFileName= vm["outputEPS"].as<string>();
aBoard.saveEPS(outputFileName.c_str());
}
#ifdef WITH_CAIRO
else
if (vm.count("outputEPS")){
string outputFileName= vm["outputEPS"].as<string>();
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoEPS );
} else
if (vm.count("outputPDF")){
string outputFileName= vm["outputPDF"].as<string>();
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPDF );
} else
if (vm.count("outputPNG")){
string outputFileName= vm["outputPNG"].as<string>();
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPNG );
}
#endif
else { //default output
string outputFileName= "output.eps";
aBoard.saveEPS(outputFileName.c_str());
}
}
/**
* Algorithms that computes the convex hull
* of a point set
*/
void convexHull()
{
//Digitization of a disk of radius 6
Ball2D<Z2i::Space> ball(Z2i::Point(0,0), 6);
Z2i::Domain domain(ball.getLowerBound(), ball.getUpperBound());
Z2i::DigitalSet pointSet(domain);
Shapes<Z2i::Domain>::euclideanShaper(pointSet, ball);
//! [Hull2D-Namespace]
using namespace functions::Hull2D;
//! [Hull2D-Namespace]
//! [Hull2D-Functor]
typedef InHalfPlaneBySimple3x3Matrix<Z2i::Point, DGtal::int64_t> Functor;
Functor functor;
//! [Hull2D-Functor]
{ //convex hull in counter-clockwise order
vector<Z2i::Point> res;
//! [Hull2D-StrictPredicateCCW]
typedef PredicateFromOrientationFunctor2<Functor, false, false> StrictPredicate;
StrictPredicate predicate( functor );
//! [Hull2D-StrictPredicateCCW]
//according to the last two template arguments, neither strictly negative values, nor zeros are accepted:
//the predicate returns 'true' only for strictly positive values returned by the underlying functor.
//! [Hull2D-AndrewAlgo]
andrewConvexHullAlgorithm( pointSet.begin(), pointSet.end(), back_inserter( res ), predicate );
//! [Hull2D-AndrewAlgo]
//![Hull2D-Caliper-computeBasic]
double th = DGtal::functions::Hull2D::computeHullThickness(res.begin(), res.end(), DGtal::functions::Hull2D::HorizontalVerticalThickness);
//![Hull2D-Caliper-computeBasic]
//![Hull2D-Caliper-computeAnti]
Z2i::Point antipodalP, antipodalQ, antipodalS;
th = DGtal::functions::Hull2D::computeHullThickness(res.begin(), res.end(), DGtal::functions::Hull2D::HorizontalVerticalThickness, antipodalP, antipodalQ, antipodalS);
//![Hull2D-Caliper-computeAnti]
trace.info() <<" ConvexHull HV thickness: " << th << std::endl;
//display
Board2D board;
drawPolygon( res.begin(), res.end(), board );
//![Hull2D-Caliper-display]
board.setPenColor(DGtal::Color::Red);
board.drawCircle( antipodalS[0], antipodalS[1], 0.2) ;
board.setPenColor(DGtal::Color::Blue);
board.drawCircle(antipodalP[0], antipodalP[1], 0.2);
board.drawCircle(antipodalQ[0], antipodalQ[1], 0.2);
board.drawLine(antipodalP[0], antipodalP[1], antipodalQ[0], antipodalQ[1]);
//![Hull2D-Caliper-display]
board.saveSVG( "ConvexHullCCW.svg" );
#ifdef WITH_CAIRO
board.saveCairo("ConvexHullCCW.png", Board2D::CairoPNG);
#endif
}
{ //convex hull in counter-clockwise order with all the points lying on the edges
vector<Z2i::Point> res;
//! [Hull2D-LargePredicateCCW]
typedef PredicateFromOrientationFunctor2<Functor, false, true> LargePredicate;
LargePredicate predicate( functor );
//! [Hull2D-LargePredicateCCW]
//according to the last template argument, zeros are accepted so that
//the predicate returns 'true' for all the positive values returned by the underlying functor.
//andrew algorithm
andrewConvexHullAlgorithm( pointSet.begin(), pointSet.end(), back_inserter( res ), predicate );
//display
Board2D board;
drawPolygon( res.begin(), res.end(), board );
board.saveSVG( "ConvexHullCCWWithPointsOnEdges.svg" );
#ifdef WITH_CAIRO
board.saveCairo("ConvexHullCCWWithPointsOnEdges.png", Board2D::CairoPNG);
#endif
}
{ //convex hull in clockwise order
vector<Z2i::Point> res;
//! [Hull2D-StrictPredicateCW]
typedef PredicateFromOrientationFunctor2<Functor, true, false> StrictPredicate;
StrictPredicate predicate( functor );
//! [Hull2D-StrictPredicateCW]
//according to the last two argument template,
//the predicate returns 'true' only for strictly negative values returned by the underlying functor.
//andrew algorithm
andrewConvexHullAlgorithm( pointSet.begin(), pointSet.end(), back_inserter( res ), predicate );
//display
Board2D board;
drawPolygon( res.begin(), res.end(), board );
board.saveSVG( "ConvexHullCW.svg" );
#ifdef WITH_CAIRO
board.saveCairo("ConvexHullCW.png", Board2D::CairoPNG);
#endif
}
{ //convex hull in counter-clockwise order
vector<Z2i::Point> res;
//geometric predicate
typedef PredicateFromOrientationFunctor2<Functor, false, false> StrictPredicate;
StrictPredicate predicate( functor );
//! [Hull2D-GrahamAlgo]
grahamConvexHullAlgorithm( pointSet.begin(), pointSet.end(), back_inserter( res ), predicate );
//! [Hull2D-GrahamAlgo]
//display
Board2D board;
drawPolygon( res.begin(), res.end(), board );
board.saveSVG( "ConvexHullCCWbis.svg" );
#ifdef WITH_CAIRO
board.saveCairo("ConvexHullCCWbis.png", Board2D::CairoPNG);
#endif
}
{ //convex hull of a simple polygonal line that is not weakly externally visible
vector<Z2i::Point> polygonalLine;
polygonalLine.push_back(Z2i::Point(0,0));
polygonalLine.push_back(Z2i::Point(0,4));
polygonalLine.push_back(Z2i::Point(1,4));
polygonalLine.push_back(Z2i::Point(1,1));
polygonalLine.push_back(Z2i::Point(3,1));
polygonalLine.push_back(Z2i::Point(2,2));
polygonalLine.push_back(Z2i::Point(3,4));
polygonalLine.push_back(Z2i::Point(4,4));
polygonalLine.push_back(Z2i::Point(4,0));
vector<Z2i::Point> resGraham, res;
typedef PredicateFromOrientationFunctor2<Functor, false, false> StrictPredicate;
StrictPredicate predicate( functor );
closedGrahamScanFromAnyPoint( polygonalLine.begin(), polygonalLine.end(), back_inserter( resGraham ), predicate );
//! [Hull2D-OnLineMelkmanAlgo]
DGtal::MelkmanConvexHull<Z2i::Point, Functor> ch( functor );
for (std::vector<Z2i::Point>::const_iterator
it = polygonalLine.begin(),
itEnd = polygonalLine.end();
it != itEnd; ++it)
ch.add( *it );
//! [Hull2D-OnLineMelkmanAlgo]
//! [Hull2D-OffLineMelkmanAlgo]
melkmanConvexHullAlgorithm( polygonalLine.begin(), polygonalLine.end(), back_inserter( res ), functor );
//! [Hull2D-OffLineMelkmanAlgo]
//display
Board2D board;
drawPolygon( polygonalLine.begin(), polygonalLine.end(), board, true );
board.saveSVG( "SimplePolygonalLine.svg" );
#ifdef WITH_CAIRO
board.saveCairo("SimplePolygonalLine.png", Board2D::CairoPNG);
#endif
board.clear();
drawPolygon( resGraham.begin(), resGraham.end(), board );
board.saveSVG( "SimplePolygonalLineGraham.svg" );
#ifdef WITH_CAIRO
board.saveCairo("SimplePolygonalLineGraham.png", Board2D::CairoPNG);
#endif
board.clear();
drawPolygon( res.begin(), res.end(), board );
board.saveSVG( "SimplePolygonalLineMelkman.svg" );
#ifdef WITH_CAIRO
board.saveCairo("SimplePolygonalLineMelkman.png", Board2D::CairoPNG);
#endif
board.clear();
drawPolygon( ch.begin(), ch.end(), board );
board.saveSVG( "SimplePolygonalLineMelkman2.svg" );
#ifdef WITH_CAIRO
board.saveCairo("SimplePolygonalLineMelkman2.png", Board2D::CairoPNG);
#endif
}
{ //order of the points for andrew algorithm
vector<Z2i::Point> res;
std::copy( pointSet.begin(), pointSet.end(), back_inserter( res ) );
std::sort( res.begin(), res.end() );
//display
Board2D board;
drawPolygon( res.begin(), res.end(), board, false );
board.saveSVG( "AndrewWEVP.svg" );
#ifdef WITH_CAIRO
board.saveCairo("AndrewWEVP.png", Board2D::CairoPNG);
#endif
}
{ //order of the points for graham algorithm
vector<Z2i::Point> res;
std::copy( pointSet.begin(), pointSet.end(), back_inserter( res ) );
//find an extremal point
//NB: we choose the point of greatest x-coordinate
//so that the sort step (by a polar comparator)
//returns a weakly externally visible polygon
std::vector<Z2i::Point>::iterator itMax
= std::max_element( res.begin(), res.end() );
//sort around this point with a polar comparator
functors::PolarPointComparatorBy2x2DetComputer<Z2i::Point> comparator;
comparator.setPole( *itMax );
std::sort( res.begin(), res.end(), comparator );
//display
Board2D board;
drawPolygon( res.begin(), res.end(), board, false );
board.saveSVG( "GrahamWEVP.svg" );
#ifdef WITH_CAIRO
board.saveCairo("GrahamWEVP.png", Board2D::CairoPNG);
#endif
}
}
int main( int argc, char** argv )
{
// parse command line ----------------------------------------------
po::options_description general_opt("Allowed options are: ");
general_opt.add_options()
("help,h", "display this message")
("input,i", po::value<std::string>(), "input FreemanChain file name")
("SDP", po::value<std::string>(), "Import a contour as a Sequence of Discrete Points (SDP format)")
("SFP", po::value<std::string>(), "Import a contour as a Sequence of Floating Points (SFP format)")
("drawContourPoint", po::value<double>(), "<size> display contour points as disk of radius <size>")
("fillContour", "fill the contours with default color (gray)")
("lineWidth", po::value<double>()->default_value(1.0), "Define the linewidth of the contour (SDP format)")
("drawPointOfIndex", po::value<int>(), "<index> Draw the contour point of index <index> (default 0) ")
("pointSize", po::value<double>()->default_value(2.0), "<size> Set the display point size of the point displayed by drawPointofIndex option (default 2.0) ")
("noXFIGHeader", " to exclude xfig header in the resulting output stream (no effect with option -outputFile).")
("withProcessing", po::value<std::string>(), "Processing (used only when the input is a Freeman chain (--input)):\n\t DSS segmentation {DSS}\n\t Maximal segments {MS}\n\t Faithful Polygon {FP}\n\t Minimum Length Polygon {MLP}")
("outputFile,o", po::value<std::string>(), " <filename> save output file automatically according the file format extension.")
("outputStreamEPS", " specify eps for output stream format.")
("outputStreamSVG", " specify svg for output stream format.")
("outputStreamFIG", " specify fig for output stream format.")
("invertYaxis", " invertYaxis invert the Y axis for display contours (used only with --SDP)")
("backgroundImage", po::value<std::string>(), "backgroundImage <filename> : display image as background ")
("alphaBG", po::value<double>(), "alphaBG <value> 0-1.0 to display the background image in transparency (default 1.0), (transparency works only if cairo is available)")
("scale", po::value<double>(), "scale <value> 1: normal; >1 : larger ; <1 lower resolutions )");
bool parseOK=true;
po::variables_map vm;
try {
po::store(po::parse_command_line(argc, argv, general_opt), vm);
} catch(const std::exception& ex) {
parseOK=false;
trace.info()<< "Error checking program options: "<< ex.what()<< std::endl;
}
po::notify(vm);
if(!parseOK||vm.count("help")||argc<=1 || (!(vm.count("input")) && !(vm.count("SDP")) && !(vm.count("SFP"))&&
!(vm.count("backgroundImage")) ) )
{
trace.info()<< "Display discrete contours. " <<std::endl << "Basic usage: "<<std::endl
<< "\t displayContours [options] --input <fileName> "<<std::endl
<< general_opt << "\n";
return 0;
}
double lineWidth= vm["lineWidth"].as<double>();
bool filled = vm.count("fillContour");
double scale=1.0;
if(vm.count("scale")) {
scale = vm["scale"].as<double>();
}
Board2D aBoard;
aBoard.setUnit (0.05*scale, LibBoard::Board::UCentimeter);
double alpha=1.0;
if(vm.count("alphaBG")) {
alpha = vm["alphaBG"].as<double>();
}
if(vm.count("backgroundImage")) {
std::string imageName = vm["backgroundImage"].as<std::string>();
typedef ImageSelector<Z2i::Domain, unsigned char>::Type Image;
Image img = DGtal::GenericReader<Image>::import( imageName );
Z2i::Point ptInf = img.domain().lowerBound();
Z2i::Point ptSup = img.domain().upperBound();
unsigned int width = abs(ptSup[0]-ptInf[0]+1);
unsigned int height = abs(ptSup[1]-ptInf[1]+1);
aBoard.drawImage(imageName, 0-0.5,height-0.5, width, height, -1, alpha );
}
if(vm.count("input")) {
std::string fileName = vm["input"].as<std::string>();
std::vector< FreemanChain<int> > vectFc = PointListReader< Z2i::Point>:: getFreemanChainsFromFile<int> (fileName);
aBoard << CustomStyle( vectFc.at(0).className(),
new CustomColors( Color::Red , filled? Color::Gray: Color::None ) );
aBoard.setLineWidth (lineWidth);
for(unsigned int i=0; i<vectFc.size(); i++) {
aBoard << vectFc.at(i) ;
if(vm.count("drawPointOfIndex")) {
int index = vm["drawPointOfIndex"].as<int>();
double size = vm["pointSize"].as<double>();
aBoard.setPenColor(Color::Blue);
aBoard.fillCircle((double)(vectFc.at(i).getPoint(index)[0]), (double)(vectFc.at(i).getPoint(index)[1]), size);
}
if(vm.count("withProcessing")) {
std::string processingName = vm["withProcessing"].as<std::string>();
std::vector<Z2i::Point> vPts(vectFc.at(i).size()+1);
copy ( vectFc.at(i).begin(), vectFc.at(i).end(), vPts.begin() );
bool isClosed;
if ( vPts.at(0) == vPts.at(vPts.size()-1) ) {
isClosed = true;
vPts.pop_back();
} else isClosed = false;
if (processingName == "DSS") {
typedef ArithmeticalDSSComputer<std::vector<Z2i::Point>::iterator,int,4> DSS4;
typedef GreedySegmentation<DSS4> Decomposition4;
DSS4 computer;
Decomposition4 theDecomposition( vPts.begin(),vPts.end(),computer );
//for each segment
std::string className;
for ( Decomposition4::SegmentComputerIterator it = theDecomposition.begin();
it != theDecomposition.end(); ++it )
{
DSS4::Primitive segment(it->primitive());
aBoard << SetMode( segment.className(), "BoundingBox" );
className = segment.className() + "/BoundingBox";
aBoard << CustomStyle( className,
new CustomPenColor( DGtal::Color::Gray ) );
aBoard << segment; // draw each segment
}
} else if (processingName == "MS") {
typedef ArithmeticalDSSComputer<std::vector<Z2i::Point>::iterator,int,4> DSS4;
typedef SaturatedSegmentation<DSS4> Decomposition4;
//Segmentation
DSS4 computer;
Decomposition4 theDecomposition( vPts.begin(),vPts.end(),computer );
//for each segment
std::string className;
for ( Decomposition4::SegmentComputerIterator it = theDecomposition.begin();
it != theDecomposition.end(); ++it )
{
DSS4::Primitive segment(it->primitive());
aBoard << SetMode( segment.className(), "BoundingBox" );
className = segment.className() + "/BoundingBox";
aBoard << CustomStyle( className,
new CustomPenColor( DGtal::Color::Gray ) );
aBoard << segment; // draw each segment
}
} else if (processingName == "FP") {
typedef FP<std::vector<Z2i::Point>::iterator,int,4> FP;
FP theFP( vPts.begin(),vPts.end() );
aBoard << CustomStyle( theFP.className(),
new CustomPenColor( DGtal::Color::Black ) );
aBoard << theFP;
} else if (processingName == "MLP") {
typedef FP<std::vector<Z2i::Point>::iterator,int,4> FP;
FP theFP( vPts.begin(),vPts.end() );
std::vector<FP::RealPoint> v( theFP.size() );
theFP.copyMLP( v.begin() );
//polyline to draw
std::vector<LibBoard::Point> polyline;
std::vector<FP::RealPoint>::const_iterator it = v.begin();
for ( ; it != v.end(); ++it) {
FP::RealPoint p = (*it);
polyline.push_back(LibBoard::Point(p[0],p[1]));
}
if (isClosed) {
FP::RealPoint p = (*v.begin());
polyline.push_back(LibBoard::Point(p[0],p[1]));
}
aBoard.setPenColor(DGtal::Color::Black);
aBoard.drawPolyline(polyline);
} else if (processingName == "MDCA") {
typedef KhalimskySpaceND<2,int> KSpace;
typedef GridCurve<KSpace> Curve;
Curve curve; //grid curve
curve.initFromPointsVector( vPts );
typedef Curve::IncidentPointsRange Range; //range
Range r = curve.getIncidentPointsRange(); //range
typedef Range::ConstCirculator ConstCirculator; //iterator
typedef StabbingCircleComputer<ConstCirculator> SegmentComputer; //segment computer
//typedef GeometricalDCA<ConstIterator> SegmentComputer; //segment computer
typedef SaturatedSegmentation<SegmentComputer> Segmentation;
//Segmentation theSegmentation( r.begin(), r.end(), SegmentComputer() );
Segmentation theSegmentation( r.c(), r.c(), SegmentComputer() );
theSegmentation.setMode("Last");
// board << curve;
Segmentation::SegmentComputerIterator it = theSegmentation.begin();
Segmentation::SegmentComputerIterator itEnd = theSegmentation.end();
Board2D otherBoard;
otherBoard.setPenColor(DGtal::Color::Black);
otherBoard << curve;
for ( ; it != itEnd; ++it ) {
aBoard << SetMode(SegmentComputer().className(), "") << (*it);
otherBoard << SetMode(SegmentComputer().className(), "") << (*it);
}
otherBoard.saveSVG("mdca.svg", Board2D::BoundingBox, 5000 );
}
}
}
}
if(vm.count("SDP") || vm.count("SFP")) {
bool drawPoints= vm.count("drawContourPoint");
bool invertYaxis = vm.count("invertYaxis");
double pointSize=1.0;
if(drawPoints) {
pointSize = vm["drawContourPoint"].as<double>();
}
std::vector<LibBoard::Point> contourPt;
if(vm.count("SDP")) {
std::string fileName = vm["SDP"].as<std::string>();
std::vector< Z2i::Point > contour =
PointListReader< Z2i::Point >::getPointsFromFile(fileName);
for(unsigned int j=0; j<contour.size(); j++) {
LibBoard::Point pt((double)(contour.at(j)[0]),
(invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
contourPt.push_back(pt);
if(drawPoints) {
aBoard.fillCircle(pt.x, pt.y, pointSize);
}
}
}
if(vm.count("SFP")) {
std::string fileName = vm["SFP"].as<std::string>();
std::vector< PointVector<2,double> > contour =
PointListReader< PointVector<2,double> >::getPointsFromFile(fileName);
for(unsigned int j=0; j<contour.size(); j++) {
LibBoard::Point pt((double)(contour.at(j)[0]),
(invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
contourPt.push_back(pt);
if(drawPoints) {
aBoard.fillCircle(pt.x, pt.y, pointSize);
}
}
}
aBoard.setPenColor(Color::Red);
aBoard.setFillColor(Color::Gray);
aBoard.setLineStyle (LibBoard::Shape::SolidStyle );
aBoard.setLineWidth (lineWidth);
if(!filled) {
aBoard.drawPolyline(contourPt);
} else {
aBoard.fillPolyline(contourPt);
}
if(vm.count("drawPointOfIndex")) {
int index = vm["drawPointOfIndex"].as<int>();
double size = vm["pointSize"].as<double>();
aBoard.fillCircle((double)(contourPt.at(index).x), (double)(contourPt.at(index).y), size);
}
}
if(vm.count("outputFile")) {
std::string outputFileName= vm["outputFile"].as<std::string>();
std::string extension = outputFileName.substr(outputFileName.find_last_of(".") + 1);
if(extension=="svg") {
aBoard.saveSVG(outputFileName.c_str());
}
#ifdef WITH_CAIRO
else if (extension=="eps") {
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoEPS );
} else if (extension=="pdf") {
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPDF );
} else if (extension=="png") {
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPNG );
}
#endif
else if(extension=="eps") {
aBoard.saveEPS(outputFileName.c_str());
} else if(extension=="fig") {
aBoard.saveFIG(outputFileName.c_str(),LibBoard::Board::BoundingBox, 10.0, !vm.count("noXFIGHeader") );
}
}
if (vm.count("outputStreamSVG")) {
aBoard.saveSVG(std::cout);
} else if (vm.count("outputStreamFIG")) {
aBoard.saveFIG(std::cout, LibBoard::Board::BoundingBox, 10.0, !vm.count("noXFIGHeader"));
} else if (vm.count("outputStreamEPS")) {
aBoard.saveEPS(std::cout);
}
}
int main( int argc, char** argv )
{
// Contour import
args.addOption("-fc", "-fc <freemanChain.fc> : FreemanChain file name", "freeman.fc" );
args.addOption("-sdp", "-sdp <contour.sdp> : Import a contour as a Sequence of Discrete Points (SDP format)", "contour.sdp" );
args.addOption("-sfp", "-sdp <contour.sdp> : Import a contour as a Sequence of Floating Points (SFP format)", "contour.sdp" );
// Display options
args.addOption("-drawContourPoint", "-drawContourPoint <size> (double): display contour points as disk of radius <size> (default 1.0) ", "1.0" );
args.addBooleanOption("-fillContour", "-fillContour fill the contours with default color");
args.addOption("-lineWidth", "-lineWidth <width> : define the linewidth <width> of the contour (default 1.0) (SDP format)", "1.0");
args.addOption("-outputEPS", "-outputEPS <filename> specify eps format (default format output.eps)", "output.eps");
args.addOption("-outputSVG", "-outputSVG <filename> specify svg format. (default name output.svg)", "output.svg");
args.addOption("-outputFIG", "-outputFIG <filename> specify svg format. (default name output.fig)", "output.fig");
#ifdef WITH_CAIRO
args.addOption("-outputPDF", "-outputPDF <filename> specify svg format. (default name output.pdf)", "output.pdf");
args.addOption("-outputPNG", "-outputPNG <filename> specify png format. (default name output.png)", "output.png");
args.addBooleanOption("-invertYaxis", "-invertYaxis: invert the Y axis for display contours (used only with --SDP) ");
#endif
#ifdef WITH_MAGICK
args.addOption("-backgroundImage", "-backgroundImage <filename> <alpha> : display image as background with transparency alpha (defaut 1) (transparency works only if cairo is available)", "imageBG.png", "1.0" );
#endif
args.addOption("-backgroundImageXFIG", "-backgroundImageXFIG <filename> <width> <height> : display image as background in XFIG format", "imageBG.png", "256","256" );
args.addOption("-scale", "-scale <value> 1: normal; >1 : larger ; <1 lower resolutions ) (default 1.0) ", "1.0");
bool parseOK= args.readArguments( argc, argv );
if(!parseOK || args.check("-h") || (! args.check("-fc") && ! args.check("-sdp") && ! args.check("-sfp"))){
trace.info()<<args.usage("displayContours", "Display discrete contours. \n Basic usage: \n \t displayContours [options] -fc <fileName> \n", "");
return 1;
}
double lineWidth = args.getOption("-lineWidth")->getFloatValue(0);
double scale = args.getOption("-scale")->getIntValue(0);
bool filled = args.check("-fillContour");
Board2D aBoard;
aBoard.setUnit (0.05*scale, LibBoard::Board::UCentimeter);
#ifdef WITH_MAGICK
double alpha=args.getOption("-alphaBG")->getFloatValue(0);
if(args.check("-backgroundImage")){
string imageName = args.check("-backgroundImage")->getValue(0);
typedef ImageSelector<Z2i::Domain, unsigned char>::Type Image;
DGtal::MagickReader<Image> reader;
Image img = reader.importImage( imageName );
Z2i::Point ptInf = img.domain().lowerBound();
Z2i::Point ptSup = img.domain().upperBound();
unsigned int width = abs(ptSup.at(0)-ptInf.at(0)+1);
unsigned int height = abs(ptSup.at(1)-ptInf.at(1)+1);
aBoard.drawImage(imageName, 0-0.5,height-0.5, width, height, -1, alpha );
}
#endif
if(args.check("-backgroundImageXFIG")){
string imageName = args.getOption("-backgroundImageXFIG")->getValue(0);
unsigned int width = args.getOption("-backgroundImageXFIG")->getIntValue(1);
unsigned int height = args.getOption("-backgroundImageXFIG")->getIntValue(2);
aBoard.drawImage(imageName, 0,height-1, width, height, -1, 1.0 );
}
if(args.check("-fc")){
string fileName = args.getOption("-fc")->getValue(0);
vector< FreemanChain<int> > vectFc = PointListReader< Z2i::Point>:: getFreemanChainsFromFile<int> (fileName);
//aBoard << SetMode( vectFc.at(0).className(), "InterGrid" );
aBoard << CustomStyle( vectFc.at(0).className(),
new CustomColors( Color::Red , (filled ? (Color::Black) : (Color::None)) ) );
for(unsigned int i=0; i<vectFc.size(); i++){
aBoard << vectFc.at(i) ;
}
}
if( args.check("-sdp") || args.check("-sfp")){
bool drawPoints= args.check("-drawContourPoint");
bool invertYaxis = args.check("-invertYaxis");
double pointSize = args.getOption("-drawContourPoint")->getFloatValue(0);
vector<LibBoard::Point> contourPt;
if(args.check("-sdp")){
string fileName = args.getOption("-sdp")->getValue(0);
vector< Z2i::Point > contour =
PointListReader< Z2i::Point >::getPointsFromFile(fileName);
for(unsigned int j=0; j<contour.size(); j++){
LibBoard::Point pt((double)(contour.at(j)[0]),
(invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
contourPt.push_back(pt);
if(drawPoints){
aBoard.fillCircle(pt.x, pt.y, pointSize);
}
}
}
if(args.check("-sfp")){
string fileName = args.getOption("-sfp")->getValue(0);
vector< PointVector<2,double> > contour =
PointListReader< PointVector<2,double> >::getPointsFromFile(fileName);
for(unsigned int j=0; j<contour.size(); j++){
LibBoard::Point pt((double)(contour.at(j)[0]),
(invertYaxis? (double)(-contour.at(j)[1]+contour.at(0)[1]):(double)(contour.at(j)[1])));
contourPt.push_back(pt);
if(drawPoints){
aBoard.fillCircle(pt.x, pt.y, pointSize);
}
}
}
aBoard.setPenColor(Color::Red);
aBoard.setLineStyle (LibBoard::Shape::SolidStyle );
aBoard.setLineWidth (lineWidth);
if(!filled){
aBoard.drawPolyline(contourPt);
}else{
aBoard.fillPolyline(contourPt);
}
}
if (args.check("-outputSVG")){
string outputFileName= args.getOption("-outputSVG")->getValue(0);
aBoard.saveSVG(outputFileName.c_str());
} else
if (args.check("-outputFIG")){
string outputFileName= args.getOption("-outputFIG")->getValue(0);
aBoard.saveFIG(outputFileName.c_str());
} else
if (args.check("-outputEPS")){
string outputFileName= args.getOption("-outputEPS")->getValue(0);
aBoard.saveEPS(outputFileName.c_str());
}
#ifdef WITH_CAIRO
else
if (args.check("-outputEPS")){
string outputFileName= args.getOption("-outputSVG")->getValue(0);
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoEPS );
} else
if (args.check("-outputPDF")){
string outputFileName= args.getOption("-outputPDF")->getValue(0);
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPDF );
} else
if (args.check("-outputPNG")){
string outputFileName= args.getOption("-outputPNG")getValue(0);
aBoard.saveCairo(outputFileName.c_str(),Board2D::CairoPNG );
}
#endif
else { //default output
string outputFileName= "output.eps";
aBoard.saveEPS(outputFileName.c_str());
}
}