/**
* 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()
{
trace.beginBlock ( "Example dgtalboard-3-custom-classes" );
Point p1( -3, -2 );
Point p2( 7, 3 );
Point p3( 0, 0 );
Domain domain( p1, p2 );
Color red( 255, 0, 0 );
Color dred( 192, 0, 0 );
Color dgreen( 0, 192, 0 );
Color blue( 0, 0, 255 );
Color dblue( 0, 0, 192 );
Board2D board;
board << domain
<< CustomStyle( p1.styleName(), new CustomColors( red, dred ) )
<< p1
<< CustomStyle( p2.styleName(), new CustomFillColor( dgreen ) )
<< p2
<< CustomStyle( p3.styleName(),
new CustomPen( blue, dblue, 6.0,
Board2D::Shape::SolidStyle,
Board2D::Shape::RoundCap,
Board2D::Shape::RoundJoin ) )
<< p3;
board.saveSVG("dgtalboard-3-custom-classes.svg");
board.saveEPS("dgtalboard-3-custom-classes.eps");
#ifdef WITH_CAIRO
board.saveCairo("dgtalboard-3-custom-classes-cairo.pdf", Board2D::CairoPDF);
board.saveCairo("dgtalboard-3-custom-classes-cairo.png", Board2D::CairoPNG);
board.saveCairo("dgtalboard-3-custom-classes-cairo.ps", Board2D::CairoPS);
board.saveCairo("dgtalboard-3-custom-classes-cairo.svg", Board2D::CairoSVG);
#endif
trace.endBlock();
return 0;
}
int main(int /*argc*/, char** /*argv*/)
{
////////////////////////////////////////
Board2D board;
board.setUnit(Board2D::UCentimeter);
board.drawArc(0.0, 1.0, 5.0, 0, M_PI/2.0, false);
board.drawArc(0.0, 1.0, 4.0, 0, M_PI/2.0, true);
board.drawArc(0.0, 1.0, 3.0, -0.5, M_PI/2.0-0.5, false);
board.drawArc(0.0, 1.0, 2.0, 0.5, M_PI/2.0+0.5, false);
board.saveEPS( "essai.eps" );
board.saveSVG( "essai.svg" );
board.saveTikZ( "essai.tikz" );
#ifdef WITH_CAIRO
board.saveCairo("essai.pdf", Board2D::CairoPDF);
#endif
////////////////////////////////////////
return 0;
}
/**
* Save the granometric function values stored in an image into an EPS file
*
* @param granuloImage The image containing the granulometric function values
*
* @param maxGranulo The maximum value of the granulometric function
*
* @param fileName A string containing the filename where we store the image
*/
void saveGranulo(myLittleImage& granuloImage, unsigned int maxGranulo, string fileName)
{
Board2D board;
HueTwice colorMap(1,maxGranulo+1);
Point O(0,0);
string specificStyle = O.className() + "/Paving";
Color white(255,255,255);
board << SetMode(granuloImage.domain().className(), "Paving")
<< granuloImage.domain()
<< SetMode(O.className(), "Paving");
for (myLittleImage::Domain::ConstIterator it = granuloImage.domain().begin(); it != granuloImage.domain().end(); ++it)
{
if (granuloImage(*it) > 0)
{
Color c = colorMap(granuloImage(*it));
board << CustomStyle(specificStyle, new CustomColors(c,c)) << *it;
}
else
board << CustomStyle(specificStyle, new CustomColors(white,white)) << *it;
}
board.saveEPS(fileName.c_str());
}
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()
{
trace.beginBlock ( "Example dgtalboard-1-points" );
Point p1( -3, -2 );
Point p2( 7, 3 );
Point p3( 0, 0 );
Domain domain( p1, p2 );
Board2D board;
board << domain << p1 << p2 << p3;
board.saveSVG("dgtalboard-1-points.svg");
board.saveEPS("dgtalboard-1-points.eps");
#ifdef WITH_CAIRO
board.saveCairo("dgtalboard-1-points-cairo.pdf", Board2D::CairoPDF);
board.saveCairo("dgtalboard-1-points-cairo.png", Board2D::CairoPNG);
board.saveCairo("dgtalboard-1-points-cairo.ps", Board2D::CairoPS);
board.saveCairo("dgtalboard-1-points-cairo.svg", Board2D::CairoSVG);
#endif
trace.endBlock();
return 0;
}
bool testCircleFrom3Points()
{
trace.beginBlock("Simple test for CircleFrom3Points");
typedef PointVector<2,Coordinate> Point;
CircleFrom3Points<Point> c;
Point o(0,0);
{
c.init( Point(0,1), Point(150,18), Point(250,-48) );
trace.info() << c << endl;
trace.info() << o << " is at distance " << c.signedDistance(o) << endl;
if (c.signedDistance(o) != -4026300) return false;
}
{
c.init( Point(0,1), Point(150,18), Point(100,48) );
trace.info() << c << endl;
trace.info() << o << " is at distance " << c.signedDistance(o) << endl;
if (c.signedDistance(o) != 442200) return false;
}
{
c.init( Point(8,4), Point(9,3), Point(10,0) );
trace.info() << c << endl;
trace.info() << o << " is at distance " << c.signedDistance(o) << endl;
if (c.signedDistance(o) != 0) return false;
double cx, cy, r;
c.getParameters(cx, cy, r);
if ( (cx != 5.0)||(cy != 0.0) )
{
trace.emphase() << "error in returned center" << endl;
trace.info() << "(" << cx << "," << cy << ") " << endl;
trace.info() << "instead of (5,0)" << endl;
return false;
}
}
{
c.init( Point(0,0), Point(150,20), Point(15,2) );
trace.info() << c << endl;
trace.info() << o << " is at distance " << c.signedDistance(o) << endl;
if (c.signedDistance(o) != 0) return false;
}
Board2D board;
board << SetMode(o.className(), "Grid") << o;
{
c.init( Point(8,4), Point(9,3), Point(10,0) );
trace.info() << "arc drawing" << endl;
board << SetMode( c.className(), "Arc" );
Display2DFactory::draw(board, c, Point(5,10), Point(8,4));
board << SetMode( c.className(), "Sector" );
Display2DFactory::draw(board, c, Point(9,3), Point(10,0) );
board << SetMode( c.className(), "Annulus" );
Display2DFactory::draw(board, c, Point(5,-10), Point(2,-4) );
board.saveEPS("arcDisplay.eps");
}
trace.endBlock();
return true;
}
bool testSurfelAdjacency()
{
typedef typename KSpace::Integer Integer;
typedef typename KSpace::Cell Cell;
typedef typename KSpace::SCell SCell;
typedef typename KSpace::Point Point;
typedef typename KSpace::DirIterator DirIterator;
typedef typename KSpace::Cells Cells;
typedef typename KSpace::SCells SCells;
unsigned int nbok = 0;
unsigned int nb = 0;
trace.beginBlock ( "Testing block KSpace instantiation and scan ..." );
KSpace K;
int xlow[ 4 ] = { -3, -3, -3, -3 };
int xhigh[ 4 ] = { 5, 3, 3, 3 };
Point low( xlow );
Point high( xhigh );
bool space_ok = K.init( low, high, true );
nbok += space_ok ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") "
<< "K.init( low, high )" << std::endl;
trace.info() << "K.dim()=" << K.dimension << endl;
trace.endBlock();
trace.beginBlock ( "Testing surfel adjacency ..." );
SurfelAdjacency<KSpace::dimension> SAdj( true );
for ( Dimension i = 0; i < K.dimension; ++i )
for ( Dimension j = 0; j < K.dimension; ++j )
if ( i != j )
trace.info() << "(" << i << "," << j << ")="
<< ( SAdj.getAdjacency( i, j ) ? "i2e" : "e2i" );
trace.info() << endl;
trace.endBlock();
int spel[ 4 ] = { 1, 1, 1, 1 }; // pixel
Point kp( spel );
SCell sspel = K.sCell( kp, K.POS );
trace.beginBlock ( "Testing surfel directness ..." );
for ( Dimension k = 0; k < K.dimension; ++k )
{
SCell surfel = K.sIncident( sspel, k, true );
SCell innerspel = K.sDirectIncident( surfel, K.sOrthDir( surfel ) );
trace.info() << "spel=" << sspel << " surfel=" << surfel
<< " innerspel=" << innerspel << endl;
nbok += sspel == innerspel ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") "
<< "spel == innerspel" << std::endl;
surfel = K.sIncident( sspel, k, false );
innerspel = K.sDirectIncident( surfel, K.sOrthDir( surfel ) );
trace.info() << "spel=" << sspel << " surfel=" << surfel
<< " innerspel=" << innerspel << endl;
nbok += sspel == innerspel ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") "
<< "spel == innerspel" << std::endl;
}
trace.endBlock();
SurfelNeighborhood<KSpace> SN;
trace.beginBlock ( "Testing surfel neighborhood ..." );
SCell surfel = K.sIncident( sspel, 0, false );
SN.init( &K, &SAdj, surfel );
trace.info() << "surfel =" << surfel << endl;
trace.info() << "follower1(+)=" << SN.follower1( 1, true ) << endl;
trace.info() << "follower2(+)=" << SN.follower2( 1, true ) << endl;
trace.info() << "follower3(+)=" << SN.follower3( 1, true ) << endl;
trace.info() << "follower1(-)=" << SN.follower1( 1, false ) << endl;
trace.info() << "follower2(-)=" << SN.follower2( 1, false ) << endl;
trace.info() << "follower3(-)=" << SN.follower3( 1, false ) << endl;
trace.endBlock();
trace.beginBlock ( "Testing surface tracking ..." );
typedef SpaceND< KSpace::dimension, Integer > Space;
typedef HyperRectDomain<Space> Domain;
typedef typename DigitalSetSelector< Domain, BIG_DS+HIGH_BEL_DS >::Type DigitalSet;
Domain domain( low, high );
DigitalSet shape_set( domain );
SetPredicate<DigitalSet> shape_set_predicate( shape_set );
int center[ 4 ] = { 1, 0, 0, 0 }; // pixel
Point pcenter( center );
Shapes<Domain>::addNorm1Ball( shape_set, pcenter, 1 );
trace.info() << "surfel = " << surfel << endl;
SCell other1, other2;
SN.getAdjacentOnDigitalSet( other1, shape_set, 1, K.sDirect( surfel, 1 ) );
SN.getAdjacentOnDigitalSet( other2, shape_set, 1, !K.sDirect( surfel, 1 ) );
trace.info() << "directNext = " << other1 << endl;
trace.info() << "indirectNext= " << other2 << endl;
std::set<SCell> bdry;
// surfel = Surfaces<KSpace>::findABel( K, shape_set );
Surfaces<KSpace>::trackBoundary( bdry,
K, SAdj, shape_set_predicate, surfel );
trace.info() << "tracking finished, size=" << bdry.size()
<< ", should be " << 2*K.dimension*(2*K.dimension-1) << endl;
nbok += bdry.size() == ( 2*K.dimension*(2*K.dimension-1) ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") "
<< "bdry.size() == ( 2*K.dimension*(2*K.dimension-1) )"
<< std::endl;
std::set<SCell> bdry_direct;
Surfaces<KSpace>::trackClosedBoundary( bdry_direct,
K, SAdj, shape_set_predicate, surfel );
trace.info() << "fast direct tracking finished, size=" << bdry_direct.size()
<< ", should be " << 2*K.dimension*(2*K.dimension-1) << endl;
nbok += bdry_direct.size() == ( 2*K.dimension*(2*K.dimension-1) ) ? 1 : 0;
nb++;
trace.info() << "(" << nbok << "/" << nb << ") "
<< "bdry_direct.size() == ( 2*K.dimension*(2*K.dimension-1) )"
<< std::endl;
trace.endBlock();
if ( K.dimension == 2 )
{
Board2D board;
board.setUnit( LibBoard::Board::UCentimeter );
board << SetMode( domain.className(), "Paving" )
<< domain;
for ( typename std::set<SCell>::const_iterator it = bdry_direct.begin(),
it_end = bdry_direct.end(); it != it_end; ++it )
board << *it;
board.saveEPS( "cells-2.eps" );
board.saveSVG( "cells-2.svg" );
}
return nbok == nb;
}
bool testDistancePropagation()
{
typedef Z2i::Space Space;
typedef Z2i::Point Point;
typedef Z2i::Domain Domain;
typedef Z2i::DigitalSet DigitalSet;
typedef Z2i::Object4_8 Object;
BOOST_CONCEPT_ASSERT(( CUndirectedSimpleGraph<Z2i::Object4_8> ));
trace.beginBlock( "Distance propagation in 2D object" );
Point p1( -41, -36 );
Point p2( 18, 18 );
Domain domain( p1, p2 );
Point c1( -2, -1 );
Point c2( -14, 5 );
Point c3( -30, -15 );
Point c4( -10, -20 );
Point c5( 12, -1 );
DigitalSet shape_set( domain );
Shapes<Domain>::addNorm2Ball( shape_set, c1, 9 );
Shapes<Domain>::addNorm1Ball( shape_set, c2, 9 );
Shapes<Domain>::addNorm1Ball( shape_set, c3, 10 );
Shapes<Domain>::addNorm2Ball( shape_set, c4, 12 );
Shapes<Domain>::addNorm1Ball( shape_set, c5, 4 );
Object obj(Z2i::dt4_8, shape_set);
GradientColorMap<int> cmap_grad( 0, 25);
cmap_grad.addColor( Color( 0, 0, 255 ) );
cmap_grad.addColor( Color( 0, 255, 0 ) );
cmap_grad.addColor( Color( 255, 0, 0 ) );
Board2D board;
board << SetMode( domain.className(), "Paving" )
<< domain
<< SetMode( p1.className(), "Paving" );
Image image = ImageFromSet<Image>::create(shape_set, 1);
// Type definitions
typedef CanonicEmbedder<Space> VertexEmbedder;
typedef VertexEmbedder::Value RealPoint;
typedef RealPoint::Coordinate Scalar;
typedef ExactPredicateLpSeparableMetric<Space,2> Distance;
typedef std::binder1st< Distance > DistanceToPoint;
typedef DGtal::functors::Composer<VertexEmbedder, DistanceToPoint, Scalar> VertexFunctor;
typedef DistanceBreadthFirstVisitor< Object, VertexFunctor, std::set<Point> > Visitor;
BOOST_CONCEPT_ASSERT(( CGraphVisitor<Visitor> ));
VertexEmbedder embedder;
Distance distance;
DistanceToPoint distanceToPoint = std::bind1st( distance, embedder( c1 ) );
VertexFunctor vfunctor( embedder, distanceToPoint );
Visitor visitor( obj, vfunctor, c1 );
while( ! visitor.finished() )
{
Scalar v = visitor.current().second;
image.setValue( visitor.current().first, v );
visitor.expand();
}
string specificStyle = p1.className() + "/Paving";
for ( DigitalSet::ConstIterator it = shape_set.begin();
it != shape_set.end();
++it )
{
if( image(*it) == 0)
board << CustomStyle( specificStyle,
new CustomColors( Color::Black,
Color::Red ) );
else if( image(*it) > 0 )
board << CustomStyle( specificStyle,
new CustomColors( Color::Black,
cmap_grad( image(*it) ) ) );
else
board << CustomStyle( specificStyle,
new CustomColors( Color::Black,
cmap_grad( 0 ) ) );
board << *it;
}
trace.info() << "- Output file testDistancePropagation.eps" << std::endl;
board.saveEPS("testDistancePropagation.eps");
trace.endBlock();
trace.beginBlock( "Distance visitor as a range." );
typedef GraphVisitorRange<Visitor> VisitorRange;
VisitorRange range( new Visitor( obj, vfunctor, c1 ) );
Scalar d = -1.0;
unsigned int nb = 0;
unsigned int nbok = 0;
unsigned int nbperfect = 0;
for ( VisitorRange::NodeConstIterator it = range.beginNode(), itEnd = range.endNode();
it != itEnd; ++it )
{ // Vertex is *it.first
Scalar next_d = (*it).second;
++nb, nbok += (next_d >= d-0.75 ) ? 1 : 0;
nbperfect += (next_d >= d ) ? 1 : 0;
d = next_d;
}
trace.info() << "(" << nbok << "/" << nb
<< ") number of vertices in approximate Euclidean distance ordering."<< std::endl;
trace.info() << "(" << nbperfect << "/" << nb
<< ") number of vertices in perfect Euclidean distance ordering."<< std::endl;
trace.endBlock();
return nb == nbok;
}
int main()
{
//! [freemanChainFromImage-imageImport]
typedef DGtal::ImageContainerBySTLVector< DGtal::Z2i::Domain, unsigned char> Image;
std::string filename = examplesPath + "samples/circleR10modif.pgm";
Image image = DGtal::PGMReader<Image>::importPGM(filename);
//! [freemanChainFromImage-imageImport]
//![freemanChainFromImage-ksspace]
Z2i::KSpace ks;
ks.init( image.domain().lowerBound(), image.domain().upperBound(), true );
//![freemanChainFromImage-ksspace]
//! [freemanChainFromImage-setAppend]
Z2i::DigitalSet set2d (image.domain());
SetFromImage<Z2i::DigitalSet>::append<Image>(set2d, image, 1, 255);
//! [freemanChainFromImage-setAppend]
//! [freemanChainFromImage-displaySet]
Board2D aBoard;
aBoard << set2d;
aBoard << image.domain();
//! [freemanChainFromImage-displaySet]
//! [freemanChainFromImage-adj]
SurfelAdjacency<2> sAdj( true );
//! [freemanChainFromImage-adj]
//! [freemanChainFromImage-extraction]
std::vector< std::vector< Z2i::Point > > vectContoursBdryPointels;
Surfaces<Z2i::KSpace>::extractAllPointContours4C( vectContoursBdryPointels,
ks, set2d, sAdj );
//! [freemanChainFromImage-extraction]
GradientColorMap<int> cmap_grad( 0, (const int)vectContoursBdryPointels.size() );
cmap_grad.addColor( Color( 50, 50, 255 ) );
cmap_grad.addColor( Color( 255, 0, 0 ) );
cmap_grad.addColor( Color( 255, 255, 10 ) );
cmap_grad.addColor( Color( 25, 255, 255 ) );
cmap_grad.addColor( Color( 255, 25, 255 ) );
cmap_grad.addColor( Color( 25, 25, 25 ) );
//! [freemanChainFromImage-fcConstruction]
for(unsigned int i=0; i<vectContoursBdryPointels.size(); i++) {
// Constructing and displaying FreemanChains from contours.
FreemanChain<Z2i::Integer> fc (vectContoursBdryPointels.at(i));
//! [freemanChainFromImage-fcConstruction]
//! [freemanChainFromImage-fcdysplay]
aBoard << SetMode( fc.className(), "InterGrid" );
aBoard<< CustomStyle( fc.className(),
new CustomColors( cmap_grad(i), Color::None ) );
aBoard << fc;
//! [freemanChainFromImage-fcdysplay]
}
aBoard.saveEPS("freemanChainFromImage.eps");
return 0;
}
int main( int argc, char** argv )
{
using namespace DGtal;
using namespace DGtal::Z2i;
typedef ImageContainerBySTLVector<Domain,unsigned char> GrayLevelImage2D;
typedef ImageContainerBySTLVector<Domain,float> FloatImage2D;
typedef DistanceToMeasure<FloatImage2D> Distance;
if ( argc <= 3 ) return 1;
GrayLevelImage2D img = GenericReader<GrayLevelImage2D>::import( argv[ 1 ] );
double mass = atof( argv[ 2 ] );
double rmax = atof( argv[ 3 ] );
FloatImage2D fimg( img.domain() );
FloatImage2D::Iterator outIt = fimg.begin();
for ( GrayLevelImage2D::ConstIterator it = img.begin(), itE = img.end();
it != itE; ++it )
{
float v = ((float)*it) / 255.0;
*outIt++ = v;
}
trace.beginBlock( "Computing delta-distance." );
Distance delta( mass, fimg, rmax );
const FloatImage2D& d2 = delta.myDistance2;
trace.endBlock();
float m = 0.0f;
for ( typename Domain::ConstIterator it = d2.domain().begin(),
itE = d2.domain().end(); it != itE; ++it )
{
Point p = *it;
float v = sqrt( d2( p ) );
m = std::max( v, m );
}
GradientColorMap<float> cmap_grad( 0, m );
cmap_grad.addColor( Color( 255, 255, 255 ) );
cmap_grad.addColor( Color( 255, 255, 0 ) );
cmap_grad.addColor( Color( 255, 0, 0 ) );
cmap_grad.addColor( Color( 0, 255, 0 ) );
cmap_grad.addColor( Color( 0, 0, 255 ) );
cmap_grad.addColor( Color( 0, 0, 0 ) );
Board2D board;
board << SetMode( d2.domain().className(), "Paving" );
for ( typename Domain::ConstIterator it = d2.domain().begin(),
itE = d2.domain().end(); it != itE; ++it )
{
Point p = *it;
float v = sqrt( d2( p ) );
v = std::min( (float)m, std::max( v, 0.0f ) );
board << CustomStyle( p.className(),
new CustomColors( Color::Black, cmap_grad( v ) ) )
<< p;
RealVector grad = delta.projection( p );
board.drawLine( p[ 0 ], p[ 1 ], p[ 0 ] + grad[ 0 ], p[ 1 ] + grad[ 1 ], 0 );
}
std::cout << endl;
board.saveEPS("delta2.eps");
return 0;
}
int main( )
{
trace.beginBlock ( "Example dgtalboard-2-sets" );
Point p1( -10, -7 );
Point p2( 10, 7 );
Domain domain( p1, p2 );
DigitalSet shape_set( domain );
Shapes<Domain>::addNorm1Ball( shape_set, Point( -5, -1 ), 5 );
Shapes<Domain>::addNorm1Ball( shape_set, Point( 5, 1 ), 5 );
shape_set.erase( Point( -5, -1 ) );
shape_set.erase( Point( 5, 1 ) );
Board2D board;
board << domain << shape_set; // display domain and set
board.saveSVG( "dgtalboard-2-sets-1.svg");
board.saveEPS( "dgtalboard-2-sets-1.eps");
#ifdef WITH_CAIRO
board.saveCairo("dgtalboard-2-sets-1-cairo.pdf", Board2D::CairoPDF);
board.saveCairo("dgtalboard-2-sets-1-cairo.png", Board2D::CairoPNG);
board.saveCairo("dgtalboard-2-sets-1-cairo.ps", Board2D::CairoPS);
board.saveCairo("dgtalboard-2-sets-1-cairo.svg", Board2D::CairoSVG);
#endif
board.clear();
// Object with couple (4,8) of adjacency.
Object4_8 shape( dt4_8, shape_set );
board << domain // display domain
<< SetMode( shape.styleName(), "DrawAdjacencies" )
<< shape; // and object with mode "DrawAdjacencies"
board.saveSVG( "dgtalboard-2-sets-2.svg");
board.saveEPS( "dgtalboard-2-sets-2.eps");
#ifdef WITH_CAIRO
board.saveCairo("dgtalboard-2-sets-2-cairo.pdf", Board2D::CairoPDF);
board.saveCairo("dgtalboard-2-sets-2-cairo.png", Board2D::CairoPNG);
board.saveCairo("dgtalboard-2-sets-2-cairo.ps", Board2D::CairoPS);
board.saveCairo("dgtalboard-2-sets-2-cairo.svg", Board2D::CairoSVG);
#endif
board.clear();
// Object with couple (8,4) of adjacency.
Object8_4 shape2( dt8_4, shape_set );
board << domain // display domain
<< SetMode( shape2.styleName(), "DrawAdjacencies" )
<< shape2; // and object with mode "DrawAdjacencies"
board.saveSVG( "dgtalboard-2-sets-3.svg");
board.saveEPS( "dgtalboard-2-sets-3.eps");
#ifdef WITH_CAIRO
board.saveCairo("dgtalboard-2-sets-3-cairo.pdf", Board2D::CairoPDF);
board.saveCairo("dgtalboard-2-sets-3-cairo.png", Board2D::CairoPNG);
board.saveCairo("dgtalboard-2-sets-3-cairo.ps", Board2D::CairoPS);
board.saveCairo("dgtalboard-2-sets-3-cairo.svg", Board2D::CairoSVG);
#endif
trace.endBlock();
return 0;
}
int main()
{
Domain domain(Point(0,0), Point(2,2));
//Testing auto in domain iteration
trace.beginBlock("Domain iterator with auto");
for(auto it = domain.begin(), itend=domain.end(); it != itend; ++it)
trace.info()<< *it << " ";
trace.info()<<std::endl;
trace.endBlock();
//For loop on a range
trace.beginBlock("range-based for on the domain");
for(auto point : domain)
trace.info() <<point << " ";
trace.info() <<std::endl;
trace.endBlock();
//For loop on an image range
trace.beginBlock("image (const) iterator on values");
ImageContainerBySTLVector<Domain, int> image(domain);
for(auto value: image.range())
trace.info() <<value << " ";
trace.info() <<std::endl;
trace.endBlock();
//For loop on an image domain range
trace.beginBlock("(const) iterator on image domain");
for(auto value: image.domain())
trace.info() <<value << " ";
trace.info() <<std::endl;
trace.endBlock();
//R-W for loop on an image range
trace.beginBlock("image iterator on values");
int cpt=0;
for(auto& value: image.range())
{
value = cpt;
cpt++;
trace.info() <<value << " ";
}
trace.info() <<std::endl;
trace.endBlock();
//Testing lambda expressions
trace.beginBlock("Lambda exps");
std::for_each(image.range().begin(), image.range().end(), [](int a){ trace.info() <<a<<" "; });
trace.info()<<std::endl;
std::transform(image.range().begin(), image.range().end(), image.range().begin(), [](int a){return 2*a+1;});
std::for_each(image.range().begin(), image.range().end(), [](int a){ trace.info() <<a<<" "; });
trace.info() <<std::endl;
trace.endBlock();
//Lambda expression based ultimate homotopic thining
trace.beginBlock("STL+Lambda homotopic thinning");
Domain domain2( Point(-32,-32), Point(32,32));
DigitalSet set(domain2);
//constructing a torus
std::for_each(domain2.begin(), domain2.end(), [&set](Point p){ if ((p.norm() < 10 ) && p.norm() > 5) set.insertNew(p); });
trace.info() << set << std::endl;
Board2D board;
board << set;
board.saveEPS("original.eps");
Object4_8 object(dt4_8 , set);
std::vector<Point> Q;
auto stable = false;
auto step = 0;
DigitalSet & S = object.pointSet();
while(!stable)
{
trace.info() << "step = "<<step;
stable = true;
std::for_each(S.begin(), S.end(),
[&Q,&object](Point p){ if (object.isSimple(p)) Q.push_back(p); });
std::for_each(Q.begin(), Q.end(),
[&object,&stable,&S](Point p){ if (object.isSimple(p)) {stable = false; S.erase(p);} });
Q.clear();
trace.info() << "|S| = "<< S.size() << std::endl;
step++;
}
trace.endBlock();
board << CustomStyle( object.pointSet().className(), new CustomColors(Color::Black, Color::Red))
<< object.pointSet();
board.saveEPS("skeleton.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());
}
}
bool testCellDrawOnBoard()
{
typedef typename KSpace::Integer Integer;
typedef typename KSpace::Cell Cell;
typedef typename KSpace::SCell SCell;
typedef typename KSpace::Point Point;
typedef typename KSpace::DirIterator DirIterator;
typedef typename KSpace::Cells Cells;
typedef typename KSpace::SCells SCells;
typedef SpaceND<2, Integer> Z2;
typedef HyperRectDomain<Z2> Domain;
unsigned int nbok = 0;
unsigned int nb = 0;
trace.beginBlock ( "Testing cell draw on digital board ..." );
KSpace K;
int xlow[ 4 ] = { -3, -3 };
int xhigh[ 4 ] = { 5, 3 };
Point low( xlow );
Point high( xhigh );
bool space_ok = K.init( low, high, true );
Domain domain( low, high );
Board2D board;
board.setUnit( LibBoard::Board::UCentimeter );
board << SetMode( domain.className(), "Paving" )
<< domain;
int spel[ 2 ] = { 1, 1 }; // pixel 0,0
Point kp( spel );
Cell uspel = K.uCell( kp );
board << uspel
<< low << high
<< K.uIncident( uspel, 0, false )
<< K.uIncident( uspel, 1, false );
int spel2[ 2 ] = { 5, 1 }; // pixel 2,0
Point kp2( spel2 );
SCell sspel2 = K.sCell( kp2, K.POS );
board << CustomStyle( sspel2.className(),
new CustomPen( Color( 200, 0, 0 ),
Color( 255, 100, 100 ),
2.0,
Board2D::Shape::SolidStyle ) )
<< sspel2
<< K.sIncident( sspel2, 0, K.sDirect( sspel2, 0 ) )
<< K.sIncident( sspel2, 1, K.sDirect( sspel2, 0 ) );
board.saveEPS( "cells-1.eps" );
board.saveSVG( "cells-1.svg" );
trace.endBlock();
board.clear();
board << domain;
SCell slinel0 = K.sIncident( sspel2, 0, K.sDirect( sspel2, 0 ) );
SCell spointel01 = K.sIncident( slinel0, 1, K.sDirect( slinel0, 1 ) );
board << CustomStyle( sspel2.className(),
new CustomColors( Color( 200, 0, 0 ),
Color( 255, 100, 100 ) ) )
<< sspel2
<< CustomStyle( slinel0.className(),
new CustomColors( Color( 0, 200, 0 ),
Color( 100, 255, 100 ) ) )
<< slinel0
<< CustomStyle( spointel01.className(),
new CustomColors( Color( 0, 0, 200 ),
Color( 100, 100, 255 ) ) )
<< spointel01;
board.saveEPS( "cells-3.eps" );
board.saveSVG( "cells-3.svg" );
return ((space_ok) && (nbok == nb));
}
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());
}
}
int main( int argc, char** argv )
{
using namespace DGtal;
using namespace DGtal::Z2i;
typedef ImageContainerBySTLVector<Domain,unsigned char> GrayLevelImage2D;
typedef ImageContainerBySTLVector<Domain,double> DoubleImage2D;
typedef DistanceToMeasure<DoubleImage2D> Distance;
if ( argc <= 3 ) return 1;
GrayLevelImage2D img = GenericReader<GrayLevelImage2D>::import( argv[ 1 ] );
double mass = atof( argv[ 2 ] );
double rmax = atof( argv[ 3 ] );
double R = atof( argv[ 4 ] );
double r = atof( argv[ 5 ] );
double T1 = atof( argv[ 6 ] );
double T2 = atof( argv[ 7 ] );
DoubleImage2D fimg( img.domain() );
DoubleImage2D::Iterator outIt = fimg.begin();
for ( GrayLevelImage2D::ConstIterator it = img.begin(), itE = img.end();
it != itE; ++it )
{
double v = ((double)*it) / 255.0;
*outIt++ = v;
}
trace.beginBlock( "Computing delta-distance." );
Distance delta( mass, fimg, rmax );
const DoubleImage2D& d2 = delta.myDistance2;
trace.endBlock();
double m = 0.0f;
for ( typename Domain::ConstIterator it = d2.domain().begin(),
itE = d2.domain().end(); it != itE; ++it )
{
Point p = *it;
double v = sqrt( d2( p ) );
m = std::max( v, m );
}
GradientColorMap<double> cmap_grad( 0, m );
cmap_grad.addColor( Color( 255, 255, 255 ) );
cmap_grad.addColor( Color( 255, 255, 0 ) );
cmap_grad.addColor( Color( 255, 0, 0 ) );
cmap_grad.addColor( Color( 0, 255, 0 ) );
cmap_grad.addColor( Color( 0, 0, 255 ) );
cmap_grad.addColor( Color( 0, 0, 0 ) );
Board2D board;
board << SetMode( d2.domain().className(), "Paving" );
for ( typename Domain::ConstIterator it = d2.domain().begin(),
itE = d2.domain().end(); it != itE; ++it )
{
Point p = *it;
double v = sqrt( d2( p ) );
v = std::min( (double) m, std::max( v, 0.0 ) );
board << CustomStyle( p.className(),
new CustomColors( Color::Black, cmap_grad( v ) ) )
<< p;
RealVector grad = delta.projection( p );
board.drawLine( p[ 0 ], p[ 1 ], p[ 0 ] + grad[ 0 ], p[ 1 ] + grad[ 1 ], 0 );
}
std::cout << endl;
board.saveEPS("dvcm-delta2.eps");
board.clear();
trace.beginBlock( "Computing delta-VCM." );
typedef DeltaVCM< Distance > DVCM;
typedef DVCM::Matrix Matrix;
DVCM dvcm( delta, R, r );
trace.endBlock();
{
GrayLevelImage2D pm_img( dvcm.myProjectedMeasure.domain() );
DoubleImage2D::ConstIterator it = dvcm.myProjectedMeasure.begin();
DoubleImage2D::ConstIterator itE = dvcm.myProjectedMeasure.end();
GrayLevelImage2D::Iterator outIt = pm_img.begin();
for ( ; it != itE; ++it )
{
double v = std::max( 0.0, std::min( (*it) * 255.0, 255.0 ) );
*outIt++ = v;
}
GenericWriter< GrayLevelImage2D >::exportFile( "dvcm-projmeasure.pgm", pm_img );
}
typedef EigenDecomposition<2,double> LinearAlgebraTool;
typedef functors::HatPointFunction<Point,double> KernelFunction;
KernelFunction chi( 1.0, r );
// Flat zones are metallic blue, slightly curved zones are white,
// more curved zones are yellow till red.
double size = 1.0;
GradientColorMap<double> colormap( 0.0, T2 );
colormap.addColor( Color( 128, 128, 255 ) );
colormap.addColor( Color( 255, 255, 255 ) );
colormap.addColor( Color( 255, 255, 0 ) );
colormap.addColor( Color( 255, 0, 0 ) );
Matrix vcm_r, evec, null;
RealVector eval;
for ( Domain::ConstIterator it = dvcm.domain().begin(), itE = dvcm.domain().end();
it != itE; ++it )
{
// Compute VCM and diagonalize it.
Point p = *it;
vcm_r = dvcm.measure( chi, p );
if ( vcm_r == null ) continue;
LinearAlgebraTool::getEigenDecomposition( vcm_r, evec, eval );
//double feature = eval[ 0 ] / ( eval[ 0 ] + eval[ 1 ] );
eval[ 0 ] = std::max( eval[ 0 ], 0.00001 );
double tubular = ( eval[ 1 ] <= 0.00001 ) // (R*R/4.0) )
? 0
: ( eval[ 1 ] / ( eval[ 0 ] + eval[ 1 ] ) );
double bound = T1;
double tubular2 = tubular * (eval[ 0 ] + eval[ 1 ]) / (R*R*r/12.0);
double display = tubular2 <= bound ? 0.0 : ( tubular2 - bound ) / (1.0 - bound);
//: eval[ 1 ] / ( 1.0 + eval[ 0 ] ) / ( 1.0 + delta( p )*delta( p ) );
//: eval[ 1 ] * eval[ 1 ] / ( 1.0 + eval[ 0 ] ) / ( 1.0 + delta( p ) );
trace.info() << "l0=" << eval[ 0 ] << " l1=" << eval[ 1 ]
<< " tub=" << tubular
<< " tub2=" << tubular2
<< " disp=" << display << std::endl;
board << CustomStyle( p.className(),
new CustomColors( Color::Black,
colormap( display > T2 ? T2 : display ) ) )
<< p;
// Display normal
RealVector normal = evec.column( 0 );
RealPoint rp( p[ 0 ], p[ 1 ] );
Display2DFactory::draw( board, size*normal, rp );
Display2DFactory::draw( board, -size*normal, rp );
}
board.saveEPS("dvcm-hat-r.eps");
board.clear();
return 0;
}
void testBreadthFirstPropagation()
{
typedef Z2i::Point Point;
typedef Z2i::Domain Domain;
typedef Z2i::DigitalSet DigitalSet;
typedef Z2i::Object4_8 Object;
BOOST_CONCEPT_ASSERT(( CUndirectedSimpleGraph<Z2i::Object4_8> ));
Point p1( -41, -36 );
Point p2( 18, 18 );
Domain domain( p1, p2 );
Point c1( -2, -1 );
Point c2( -14, 5 );
Point c3( -30, -15 );
Point c4( -10, -20 );
Point c5( 12, -1 );
DigitalSet shape_set( domain );
Shapes<Domain>::addNorm2Ball( shape_set, c1, 9 );
Shapes<Domain>::addNorm1Ball( shape_set, c2, 9 );
Shapes<Domain>::addNorm1Ball( shape_set, c3, 10 );
Shapes<Domain>::addNorm2Ball( shape_set, c4, 12 );
Shapes<Domain>::addNorm1Ball( shape_set, c5, 4 );
Object obj(Z2i::dt4_8, shape_set);
GradientColorMap<int> cmap_grad( 0, 52);
cmap_grad.addColor( Color( 0, 0, 255 ) );
cmap_grad.addColor( Color( 0, 255, 0 ) );
cmap_grad.addColor( Color( 255, 0, 0 ) );
Board2D board;
board << SetMode( domain.className(), "Paving" )
<< domain
<< SetMode( p1.className(), "Paving" );
Image image = ImageFromSet<Image>::create(shape_set, 1);
typedef BreadthFirstVisitor<Object, set<Point> > Visitor;
BOOST_CONCEPT_ASSERT(( CGraphVisitor< Visitor > ));
Visitor bfv (obj, c1);
while( !bfv.finished() )
{
image.setValue(bfv.current().first, bfv.current().second);
bfv.expand();
}
string specificStyle = p1.className() + "/Paving";
for ( DigitalSet::ConstIterator it = shape_set.begin();
it != shape_set.end();
++it )
{
if( image(*it) == 0)
{
board << CustomStyle( specificStyle,
new CustomColors( Color::Black,
Color::Red ) )
<< *it;
}
else
{
if( image(*it) > 0 )
{
board << CustomStyle( specificStyle,
new CustomColors( Color::Black,
cmap_grad( image(*it) ) ) )
<< *it;
}
else
{
board << CustomStyle( specificStyle,
new CustomColors( Color::Black,
cmap_grad( 0 ) ) )
<< *it;
}
}
}
board.saveEPS("testBreadthFirstPropagation.eps");
}
bool testSegmentation(const TCurve& curve)
{
typedef typename TCurve::IncidentPointsRange Range; //range
Range r = curve.getIncidentPointsRange(); //range
typedef typename Range::ConstIterator ConstIterator; //iterator
typedef GeometricalDSS<ConstIterator> SegmentComputer; //segment computer
unsigned int nbok = 0;
unsigned int nb = 0;
trace.beginBlock ( "Greedy segmentation" );
{
typedef GreedySegmentation<SegmentComputer> Segmentation;
Segmentation theSegmentation( r.begin(), r.end(), SegmentComputer() );
Board2D board;
board << r;
typename Segmentation::SegmentComputerIterator it = theSegmentation.begin();
typename Segmentation::SegmentComputerIterator itEnd = theSegmentation.end();
unsigned int n = 0;
unsigned int suml = 0;
for ( ; it != itEnd; ++it, ++n) {
board << (*it);
for (ConstIterator i = it->begin(); i != it->end(); ++i)
suml += 1;
}
board.saveEPS("GeometricalDSSGreedySegmentationTest.eps", Board2D::BoundingBox, 5000 );
trace.info() << r.size() << ";" << n << ";" << suml << endl;
//comparison with the results gave by another program
nbok += ((r.size()==85)&&(n==10)&&(suml==94)) ? 1 : 0;
nb++;
}
trace.endBlock();
trace.beginBlock ( "Saturated segmentation" );
{
typedef SaturatedSegmentation<SegmentComputer> Segmentation;
Segmentation theSegmentation( r.begin(), r.end(), SegmentComputer() );
Board2D board;
board << r;
typename Segmentation::SegmentComputerIterator it = theSegmentation.begin();
typename Segmentation::SegmentComputerIterator itEnd = theSegmentation.end();
unsigned int n = 0;
unsigned int suml = 0;
for ( ; it != itEnd; ++it, ++n) {
board << (*it);
for (ConstIterator i = it->begin(); i != it->end(); ++i)
suml += 1;
}
board.saveEPS("GeometricalDSSSaturatedSegmentationTest.eps", Board2D::BoundingBox, 5000 );
trace.info() << r.size() << ";" << n << ";" << suml << endl;
//comparison with the results gave by another program
nbok += ((r.size()==85)&&(n==25)&&(suml==255)) ? 1 : 0;
nb++;
}
trace.endBlock();
trace.info() << "(" << nbok << "/" << nb << ") " << endl;
return (nbok == nb);
}
int main( )
{
trace.beginBlock ( "Example exampleAlphaThickSegment" );
typedef FreemanChain<Z2i::Space::Integer>::ConstIterator FCConstIterator;
typedef AlphaThickSegmentComputer< Z2i::Point, FCConstIterator > AlphaThickSegmentComputer2D;
Board2D aBoard;
// Reading input contour
std::string freemanChainFilename = examplesPath + "samples/contourS.fc";
fstream fst;
fst.open (freemanChainFilename.c_str(), ios::in);
FreemanChain<Z2i::Space::Integer> fc(fst);
fst.close();
aBoard << fc;
//construction of an AlphaThickSegmentComputer2D from the freemanchain iterator
AlphaThickSegmentComputer2D anAlphaSegment(15), anAlphaSegment2(5), anAlphaSegment3(2);
anAlphaSegment.init(fc.begin());
while (anAlphaSegment.end() != fc.end() &&
anAlphaSegment.extendFront()) {
}
aBoard << anAlphaSegment;
anAlphaSegment2.init(fc.begin());
while (anAlphaSegment2.end() != fc.end() && anAlphaSegment2.extendFront()) {
}
aBoard << CustomStyle( anAlphaSegment2.className(), new CustomColors( DGtal::Color::Blue, DGtal::Color::None ) );
aBoard << anAlphaSegment2;
// Example of thickness definition change: usin the euclidean thickness definition.
//! [exampleAlphaThickSegmentEuclDef]
AlphaThickSegmentComputer2D anAlphaSegment2Eucl(5, functions::Hull2D::EuclideanThickness);
//! [exampleAlphaThickSegmentEuclDef]
anAlphaSegment2Eucl.init(fc.begin());
while (anAlphaSegment2Eucl.end() != fc.end() &&
anAlphaSegment2Eucl.extendFront()) {
}
aBoard << CustomStyle( anAlphaSegment2Eucl.className(),
new CustomColors( DGtal::Color(20, 250, 255), DGtal::Color::None ) );
aBoard << anAlphaSegment2Eucl;
FCConstIterator fcIt = fc.begin();
while (anAlphaSegment3.extendFront(*fcIt)) {
fcIt++;
}
aBoard << CustomStyle( anAlphaSegment3.className(), new CustomColors( DGtal::Color::Green, DGtal::Color::None ) );
aBoard << anAlphaSegment3;
aBoard.saveEPS("exampleAlphaThickSegment.eps");
trace.endBlock();
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")
("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 )
{
trace.beginBlock ( "Example FrechetShortcut" );
trace.info() << "Args:";
for ( int i = 0; i < argc; ++i )
trace.info() << " " << argv[ i ];
trace.info() << endl;
std::string filename;
double error;
if(argc == 1)
{
trace.info() << "Use default file and error value\n";
filename = examplesPath + "samples/plant-frechet.dat";
error = 3;
}
else
if(argc != 3)
{
trace.info() << "Please enter a filename and error value.\n";
return 0;
}
else
{
filename = argv[1];
error = atof(argv[2]);
}
ifstream instream; // input stream
instream.open (filename.c_str(), ifstream::in);
Curve c; //grid curve
c.initFromVectorStream(instream);
Board2D board;
// Display the pixels as arrows range to show the way the curve is scanned
board << c.getArrowsRange();
trace.beginBlock("Simple example");
//! [FrechetShortcutUsage]
Curve::PointsRange r = c.getPointsRange();
typedef FrechetShortcut<Curve::PointsRange::ConstIterator,int> Shortcut;
// Computation of one shortcut
Shortcut s(error);
s.init( r.begin() );
while ( ( s.end() != r.end() )
&&( s.extendFront() ) ) {}
// Computation of a greedy segmentation
typedef GreedySegmentation<Shortcut> Segmentation;
Segmentation theSegmentation( r.begin(), r.end(), Shortcut(error) );
// the segmentation is computed here
Segmentation::SegmentComputerIterator it = theSegmentation.begin();
Segmentation::SegmentComputerIterator itEnd = theSegmentation.end();
for ( ; it != itEnd; ++it) {
s=Shortcut(*it);
trace.info() << s << std::endl;
board << s;
}
board.saveEPS("FrechetShortcutExample.eps", Board2D::BoundingBox, 5000 );
//! [FrechetShortcutUsage]
#ifdef WITH_CAIRO
board.saveCairo("FrechetShortcutExample.png");
#endif
trace.endBlock();
return 0;
}
int main( int /*argc*/, char** /*argv*/ )
{
trace.beginBlock ( "Example ctopo-fillContours" );
DGtal::KhalimskySpaceND< 2, int > K;
K.init(Z2i::Point(0, 10), Z2i::Point(20, 30), false);
// We choose a direct and indirect oriented contour.
//! [ctopoFillContoursInit]
FreemanChain<int> fc1 ("001001001001001111101111011222222223222222322233333330301033333003", 6, 14);
FreemanChain<int> fc2 ("1111000033332222", 6, 20);
//! [ctopoFillContoursInit]
Board2D aBoard;
Board2D aBoard2;
aBoard << K.lowerBound() << K.upperBound() ;
aBoard2 << K.lowerBound() << K.upperBound() ;
//From the FreemanChain we can get a vector of SCell wrapped in a SurfelSetPredicate with sign defined from the FreemanChain orientation:
//! [ctopoFillContoursGetSCells]
typedef KhalimskySpaceND<2, int>::SCell SCell;
std::set<DGtal::KhalimskySpaceND< 2, int >::SCell> boundarySCell;
FreemanChain<int>::getInterPixelLinels(K, fc1, boundarySCell, false);
//! [ctopoFillContoursGetSCells]
aBoard << CustomStyle((*boundarySCell.begin()).className(), new CustomColors(DGtal::Color::Red, DGtal::Color::Red) );
for( std::set<DGtal::KhalimskySpaceND< 2, int >::SCell>::const_iterator it= boundarySCell.begin();
it!= boundarySCell.end(); it++){
aBoard << *it;
}
// We can also add other freeman chains with indirect orientation to construct a hole in interior of the shape:
//! [ctopoFillContoursGetSCellsHole]
std::set<DGtal::KhalimskySpaceND< 2, int >::SCell> boundarySCellhole;
FreemanChain<int>::getInterPixelLinels(K, fc2, boundarySCellhole, false);
//! [ctopoFillContoursGetSCellsHole]
aBoard << CustomStyle((*boundarySCell.begin()).className(), new CustomColors(DGtal::Color::Blue, DGtal::Color::Blue) );
aBoard2 << CustomStyle((*boundarySCell.begin()).className(), new CustomColors(DGtal::Color::Blue, DGtal::Color::Blue) );
for( std::set<DGtal::KhalimskySpaceND< 2, int >::SCell>::const_iterator it= boundarySCellhole.begin(); it!= boundarySCellhole.end(); it++){
aBoard << *it;
aBoard2 << *it;
boundarySCell.insert(*it);
}
// Now we can compute the unsigned cell associated to interior pixels:
//! [ctopoFillContoursFillRegion]
typedef ImageContainerBySTLMap< Z2i::Domain, bool> BoolImage2D;
BoolImage2D::Domain imageDomain( Z2i::Point(0,10), Z2i::Point(20,30) );
BoolImage2D interiorCellImage( imageDomain );
Surfaces<DGtal::KhalimskySpaceND< 2, int > >::uFillInterior(K, functors::SurfelSetPredicate<std::set<SCell>,SCell>(boundarySCell),
interiorCellImage, 1, false);
//! [ctopoFillContoursFillRegion]
aBoard << CustomStyle(K.uSpel(Z2i::Point(0,0)).className(), new CustomColors(DGtal::Color::None, Color(200, 200, 200)) );
for(BoolImage2D::Domain::ConstIterator it = interiorCellImage.domain().begin();
it!=interiorCellImage.domain().end(); it++){
if(interiorCellImage(*it)){
aBoard << K.uSpel(*it);
}
}
// We can also compute the unsigned cell associated to interior and exterior pixels:
//! [ctopoFillContoursFillRegionHoles]
BoolImage2D interiorCellHoleImage( imageDomain );
BoolImage2D exteriorCellHoleImage( imageDomain );
Surfaces<DGtal::KhalimskySpaceND< 2, int > >::uFillInterior(K, functors::SurfelSetPredicate<std::set<SCell>, SCell>(boundarySCellhole),
interiorCellHoleImage, 1, true);
Surfaces<DGtal::KhalimskySpaceND< 2, int > >::uFillExterior(K, functors::SurfelSetPredicate<std::set<SCell>, SCell>(boundarySCellhole),
exteriorCellHoleImage, 1, false);
//! [ctopoFillContoursFillRegionHoles]
aBoard2 << CustomStyle(K.uSpel(Z2i::Point(0,0)).className(),
new CustomColors(DGtal::Color::None, Color(200, 200, 200)) );
for(BoolImage2D::Domain::ConstIterator it = interiorCellHoleImage.domain().begin();
it!=interiorCellHoleImage.domain().end(); it++){
if(interiorCellHoleImage(*it)){
aBoard2 << K.uSpel(*it);
}
}
aBoard2 << CustomStyle(K.uSpel(Z2i::Point(0,0)).className(),
new CustomColors(DGtal::Color::None, Color(100, 100, 100)) );
for(BoolImage2D::Domain::ConstIterator it = exteriorCellHoleImage.domain().begin();
it!=exteriorCellHoleImage.domain().end(); it++){
if(exteriorCellHoleImage(*it)){
aBoard2 << K.uSpel(*it);
}
}
aBoard.saveEPS("example_ctopo-fillContours.eps");
aBoard.saveFIG("example_ctopo-fillContours.fig");
aBoard2.saveEPS("example_ctopo-fillContours2.eps");
aBoard2.saveFIG("example_ctopo-fillContours2.fig");
trace.endBlock();
return 0;
}
bool testSegmentation()
{
unsigned int nbok = 0;
unsigned int nb = 0;
typedef PointVector<2,int> Point;
//typedef std::vector<Point>::iterator Iterator;
//typedef FrechetShortcut<Iterator,int> SegmentComputer;
std::vector<Point> contour;
contour.push_back(Point(0,0));
contour.push_back(Point(1,0));
contour.push_back(Point(2,0));
contour.push_back(Point(3,0));
contour.push_back(Point(4,0));
contour.push_back(Point(5,0));
contour.push_back(Point(6,0));
contour.push_back(Point(7,0));
contour.push_back(Point(7,1));
contour.push_back(Point(6,1));
contour.push_back(Point(5,1));
contour.push_back(Point(4,1));
contour.push_back(Point(3,1));
contour.push_back(Point(2,1));
contour.push_back(Point(2,2));
contour.push_back(Point(3,2));
contour.push_back(Point(4,2));
contour.push_back(Point(5,2));
contour.push_back(Point(6,2));
contour.push_back(Point(7,2));
contour.push_back(Point(8,2));
contour.push_back(Point(9,2));
trace.beginBlock ( "Testing block ..." );
typedef Curve::PointsRange::ConstIterator Iterator;
typedef FrechetShortcut<Iterator,int> SegmentComputer;
Curve aCurve; //grid curve
aCurve.initFromVector(contour);
typedef Curve::PointsRange Range; //range
Range r = aCurve.getPointsRange(); //range
Board2D board;
board << r;
board << aCurve.getArrowsRange();
double error = 3;
nbok =3;
trace.beginBlock ( "Greedy segmentation" );
{
typedef GreedySegmentation<SegmentComputer> Segmentation;
Segmentation theSegmentation( r.begin(), r.end(), SegmentComputer(error) );
Segmentation::SegmentComputerIterator it = theSegmentation.begin();
Segmentation::SegmentComputerIterator itEnd = theSegmentation.end();
for ( ; it != itEnd; ++it) {
SegmentComputer s(*it);
trace.info() << s << std::endl;
board << (*it);
nb++;
}
//board << aCurve;
trace.info() << theSegmentation << std::endl;
board.saveEPS("FrechetShortcutGreedySegmentationTest.eps", Board2D::BoundingBox, 5000 );
}
/* Saturated segmentation does not work for FrechetShortcut
computer. Indeed, given two maximal Frechet shortcuts s1(begin, end) et
s2(begin, end), we can have s1.begin < s2.begin < s2.end <
s1.end. */
trace.endBlock();
return nbok == nb;
}
bool
testDigitization( const Shape & aShape, double h,
const string & fileName )
{
typedef typename Space::Point Point;
typedef typename Space::RealPoint RealPoint;
typedef HyperRectDomain<Space> Domain;
typedef typename DigitalSetSelector
< Domain, BIG_DS + HIGH_ITER_DS + HIGH_BEL_DS >::Type MySet;
// Creates a digitizer on the window (xLow, xUp).
RealPoint xLow( -5.3, -4.3 );
RealPoint xUp( 7.4, 4.7 );
GaussDigitizer<Space,Shape> dig;
dig.attach( aShape ); // attaches the shape.
dig.init( xLow, xUp, h );
// The domain size is given by the digitizer according to the window
// and the step.
Domain domain = dig.getDomain(); // ( dig.getLowerBound(), dig.getUpperBound() );
MySet aSet( domain );
// Creates a set from the digitizer.
Shapes<Domain>::shaper( aSet, dig );
// Create cellular space
typedef Z2i::KSpace KSpace;
typedef Z2i::SCell SCell;
KSpace K;
bool ok = K.init( dig.getLowerBound(), dig.getUpperBound(), true );
ASSERT( ok );
SurfelAdjacency<KSpace::dimension> SAdj( true );
// Extracts shape boundary
SCell bel = Surfaces<KSpace>::findABel( K, dig, 10000 );
// Getting the consecutive surfels of the 2D boundary
std::vector<Point> points;
Surfaces<KSpace>::track2DBoundaryPoints( points, K, SAdj, dig, bel );
GridCurve<KSpace> gridcurve;
gridcurve.initFromVector( points );
// Display all
Board2D board;
board.setUnit( LibBoard::Board::UCentimeter );
board << SetMode( domain.styleName(), "Paving" )
<< domain << aSet;
board << SetMode( gridcurve.styleName(), "Edges" )
<< CustomStyle( bel.styleName(),
new CustomColors( DGtal::Color( 0, 0, 0 ),
DGtal::Color( 0, 192, 0 ) ) )
<< gridcurve;
board << SetMode( gridcurve.styleName(), "Points" )
<< CustomStyle( bel.styleName(),
new CustomColors( DGtal::Color( 255, 0, 0 ),
DGtal::Color( 200, 0, 0 ) ) )
<< gridcurve;
board.saveEPS( ( fileName + ".eps" ).c_str() );
board.saveSVG( ( fileName + ".svg" ).c_str() );
return true;
}