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Commit 271c50a6 authored by Sylvain Thery's avatar Sylvain Thery
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Merge branch 'master' of cgogn:~jund/CGoGN 

Conflicts:
	include/Algo/Import/importSvg.hpp
parents a07476af 0f35dc93
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Showing with 808 additions and 389 deletions
include/Algo/BooleanOperator/mergeVertices.h
View file @ 271c50a6
......@@ -45,10 +45,10 @@ template <typename PFP>
bool isBetween(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>& positions, Dart d, Dart e, Dart f) ;
template <typename PFP>
void mergeVertex(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>& positions, Dart d, Dart e);
void mergeVertex(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& positions, Dart d, Dart e);
template <typename PFP>
void mergeVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>& positions);
void mergeVertices(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& positions);
}
......
include/Algo/BooleanOperator/mergeVertices.hpp
View file @ 271c50a6
......@@ -43,55 +43,61 @@ bool isBetween(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>
}
template <typename PFP>
void mergeVertex(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>& positions, Dart d, Dart e)
void mergeVertex(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& positions, Dart d, Dart e, int precision)
{
assert(Geom::arePointsEquals(positions[d],positions[e]) && !map.sameVertex(d,e));
// d1 traverses the vertex of d (following the alpha1 permutation)
// y is a temporay buffer to stop the loop
Dart d1=d;
// e1 traverses the vertex of e (following the alpha1 permutation)
Dart e1=e;
bool notempty = true;
do {
if (map.phi2_1(e1) == e1) notempty = false;
// detach z from its vertex
map.removeEdgeFromVertex(e1);
// Searchs the dart of the vertex of x where tz may be inserted
Dart nd1 = d1;
do {
if (CGoGN::Algo::BooleanOperator::isBetween<PFP>(map,positions,e1,d1,map.phi2_1(d1))) break;
d1 = map.phi2_1(d1);
} while (d1 != nd1);
map.insertEdgeInVertex(d1,e1);
d1 = e1;
} while (notempty);
assert(positions[d].isNear(positions[e], precision) && !map.sameVertex(d, e)) ;
// 0-embed z on the vertex of x without copy of the vertex
// positions[d] = ;
}
bool notempty = true ;
do // While vertex of e contains more than one dart
{
Dart e1 = map.alpha1(e) ; // e1 stores next dart of vertex of e
if (e1 == e)
notempty = false ; // last dart of vertex of e
else {
map.removeEdgeFromVertex(e) ; // detach e from its vertex
}
// Searchs where e may be inserted in the vertex of d
Dart d1 = d ;
do
{
if (CGoGN::Algo::BooleanOperator::isBetween<PFP>(map, positions, e, d,
map.alpha1(d))) break ;
d = map.alpha1(d) ;
} while (d != d1) ;
// Inserted e in the correct place (after d)
map.insertEdgeInVertex(d, e) ;
// Go on with next darts
d = e ;
e = e1 ;
} while (notempty) ;
}
template <typename PFP>
void mergeVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>& positions)
void mergeVertices(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& positions, int precision)
{
// TODO optimiser en triant les sommets
for(Dart d = map.begin() ; d != map.end() ; map.next(d))
// map.template enableQuickTraversal<VERTEX>();
TraversorV<typename PFP::MAP> travV1(map) ;
CellMarker<VERTEX> vM(map);
for(Dart d1 = travV1.begin() ; d1 != travV1.end() ; d1 = travV1.next())
{
CellMarker<VERTEX> vM(map);
vM.mark(d);
std::cout << "." ; std::cout.flush() ;
for(Dart dd = map.begin() ; dd != map.end() ; map.next(dd))
vM.mark(d1);
TraversorV<typename PFP::MAP> travV2(map) ;
for(Dart d2 = travV2.begin() ; d2 != travV2.end() ; d2 = travV2.next())
{
if(!vM.isMarked(dd))
if(!vM.isMarked(d2))
{
if(Geom::arePointsEquals(positions[d],positions[dd]))
if(positions[d1].isNear(positions[d2], precision))
{
mergeVertex<PFP>(map,positions,d,dd);
if (map.sameVertex(d1,d2)) std::cout << "fusion: sameVertex" << std::endl ;
if (!map.sameVertex(d1,d2)) mergeVertex<PFP>(map,positions,d1,d2,precision);
}
}
}
}
// map.template disableQuickTraversal<VERTEX>();
}
}
......
include/Algo/Import/importSvg.hpp
View file @ 271c50a6
......@@ -114,6 +114,7 @@ void getPolygonFromSVG(std::string allcoords, std::vector<VEC3>& curPoly, bool&
else if(coord[0]=='z') //end of path
{
closedPoly = true;
}
else //coordinates
{
......@@ -224,9 +225,24 @@ void readCoordAndStyle(xmlNode* cur_path,
//check orientation : set in CCW
if(curPoly.size()>2)
{
VEC3 v1(curPoly[1]-curPoly[0]);
VEC3 v2(curPoly[2]-curPoly[1]);
if((v1^v2)[2]<0)
VEC3 v(0), v1, v2;
typename std::vector<VEC3 >::iterator it0, it1, it2;
it0 = curPoly.begin();
it1 = it0+1;
it2 = it1+1;
for(unsigned int i = 0 ; i < curPoly.size() ; ++i)
{
VEC3 t = (*it1)^(*it0);
v += t;
it0=it1;
it1=it2;
it2++;
if(it2 == curPoly.end())
it2 = curPoly.begin();
}
if(v[2]>0)
{
std::reverse(curPoly.begin(), curPoly.end());
}
......@@ -258,10 +274,13 @@ void readCoordAndStyle(xmlNode* cur_path,
}
template <typename PFP>
bool importSVG(typename PFP::MAP& map, const std::string& filename, VertexAttribute<typename PFP::VEC3>& position, CellMarker<EDGE>& polygons, CellMarker<FACE>& polygonsFaces)
bool importSVG(typename PFP::MAP& map, const std::string& filename, VertexAttribute<typename PFP::VEC3>& position, CellMarker<EDGE>& obstacleMark, CellMarker<FACE>& buildingMark)
{
//TODO : remove auto-intersecting faces
//TODO : handling polygons with holes
typedef typename PFP::VEC3 VEC3;
typedef std::vector<VEC3 > POLYGON;
typedef std::vector<VEC3> POLYGON;
xmlDocPtr doc = xmlReadFile(filename.c_str(), NULL, 0);
xmlNodePtr map_node = xmlDocGetRootElement(doc);
......@@ -291,17 +310,6 @@ bool importSVG(typename PFP::MAP& map, const std::string& filename, VertexAttrib
xmlFreeDoc(doc);
Geom::BoundingBox<typename PFP::VEC3> * bb;
if(allBrokenLines.size()>0)
bb = new Geom::BoundingBox<typename PFP::VEC3>(*(allBrokenLines.begin()->begin()));
else if(allPoly.size()>0)
bb = new Geom::BoundingBox<typename PFP::VEC3>(*(allPoly.begin()->begin()));
else
{
std::cerr << " no usable data in svg file " << std::endl;
return false;
}
std::cout << "importSVG : XML read." << std::endl;
CellMarker<EDGE> brokenMark(map);
......@@ -312,10 +320,9 @@ bool importSVG(typename PFP::MAP& map, const std::string& filename, VertexAttrib
//create broken lines
DartMarker brokenL(map);
unsigned int nbVertices = 0 ;
typename std::vector<POLYGON >::iterator it;
std::vector<float >::iterator itW = allBrokenLinesWidth.begin();
for(typename std::vector<POLYGON >::iterator it = allBrokenLines.begin() ; it != allBrokenLines.end() ; ++it)
for(it = allBrokenLines.begin() ; it != allBrokenLines.end() ; ++it, ++itW)
{
if(it->size()<2)
{
......@@ -324,351 +331,247 @@ bool importSVG(typename PFP::MAP& map, const std::string& filename, VertexAttrib
}
else
{
nbVertices += it->size() ;
Dart d = map.newFace(it->size()*2-2,false);
Dart d = map.newPolyLine(it->size()-1);
Dart d1=d;
Dart d_1=map.phi_1(d);
//build a degenerated "line" face
for(unsigned int i = 0; i<it->size() ; ++i)
for(typename POLYGON::iterator emb = it->begin(); emb != it->end() ; emb++)
{
brokenL.mark(d1);
brokenL.mark(d_1);
brokenL.mark(d);
brokenL.mark(map.phi2(d));
edgeWidth[d] = *itW;
if (*itW == 0)
std::cout << "importSVG : null path width" << std::endl ;
position[d] = *emb;
d = map.phi1(d);
}
}
}
std::cout << "importSVG : broken lines created : " << std::endl;
map.sewFaces(d1,d_1,false) ;
/////////////////////////////////////////////////////////////////////////////////////////////
// Merge near vertices
Algo::BooleanOperator::mergeVertices<PFP>(map,position,1);
std::cout << "importSVG : Merging of vertices." << std::endl;
edgeWidth[d1] = *itW;
/////////////////////////////////////////////////////////////////////////////////////////////
d1 = map.phi1(d1);
d_1 = map.phi_1(d_1);
}
std::cout << "buildings " << allPoly.size() << std::endl;
unsigned int c = 0;
polygonsFaces.mark(d);
//create polygons
for(it = allPoly.begin() ; it != allPoly.end() ; ++it)
{
if(it->size()<3)
{
it = allPoly.erase(it);
}
else
{
Dart d = map.newFace(it->size());
c++;
buildingMark.mark(d);
buildingMark.mark(map.phi2(d));
//embed the line
d1 = d;
for(typename POLYGON::iterator emb = it->begin(); emb != it->end() ; emb++)
{
bb->addPoint(*emb);
position[d1] = *emb;
d1 = map.phi1(d1);
position[d] = *emb;
obstacleMark.mark(d);
d = map.phi1(d);
}
}
}
itW++;
Geom::BoundingBox<typename PFP::VEC3> bb ;
bb = Algo::Geometry::computeBoundingBox<PFP>(map, position) ;
float tailleX = bb.size(0) ;
float tailleY = bb.size(1) ;
float tailleM = std::max<float>(tailleX, tailleY) / 30 ;
std::cout << "bounding box = " << tailleX << " X " << tailleY << std::endl;
for(Dart d = map.begin();d != map.end(); map.next(d))
{
if(position[d][0] == position[map.phi1(d)][0] && position[d][1] == position[map.phi1(d)][1])
std::cout << "prob d " << d << std::endl;
}
std::cout << "importSVG : broken lines created : " << nbVertices << " vertices"<< std::endl;
std::cout << "importSVG : Polygons generated." << std::endl;
/////////////////////////////////////////////////////////////////////////////////////////////
//create polygons
// typename std::vector<POLYGON >::iterator it;
// for(it = allPoly.begin() ; it != allPoly.end() ; ++it)
// {
//
// if(it->size()<4)
// {
// it = allPoly.erase(it);
// }
// else
// {
// Dart d = map.newFace(it->size()-1);
//// std::cout << "newFace1 " << it->size()-1 << std::endl;
// polygonsFaces.mark(d);
//
// Dart dd = d;
// typename POLYGON::iterator emb = it->begin();
// do
// {
// bb->addPoint(*emb);
// position[dd] = *emb;
// emb++;
// dd = map.phi1(dd);
// } while(dd!=d);
// }
// }
//
// for(Dart d = map.begin();d != map.end(); map.next(d))
// {
// if(position[d][0] == position[map.phi1(d)][0] && position[d][1] == position[map.phi1(d)][1])
// std::cout << "prob d " << d << std::endl;
// }
//
// DartMarker inside(map);
//
// for(Dart d = map.begin(); d != map.end(); map.next(d))
// {
// polygons.mark(d);
// inside.mark(d);
// }
//
// std::cout << "importSVG : Polygons generated." << std::endl;
unsigned int count = 0 ;
/////////////////////////////////////////////////////////////////////////////////////////////
//cut the edges to have a more regular sampling
TraversorE<typename PFP::MAP> edges(map) ;
for (Dart d = edges.begin() ; d != edges.end() ; d = edges.next())
{
if (!buildingMark.isMarked(d))
{
VEC3 p1 = position[d] ;
VEC3 p2 = position[map.phi1(d)] ;
VEC3 v = p2 - p1 ;
float length = v.norm() ;
if (length > tailleM)
{
unsigned int nbSeg = (unsigned int)(length / tailleM) ;
v /= nbSeg ;
count += nbSeg ;
for (unsigned int i = 0 ; i < nbSeg - 1 ; ++i)
map.cutEdge(d) ;
// DartMarker close(map);
// map.closeMap(close);
// map.closeMap();
brokenL.mark(d);
brokenL.mark(map.phi2(d));
Dart dd = map.phi1(d) ;
std::cout << "importSVG : Vertices merging..." << std::endl;
Algo::BooleanOperator::mergeVertices<PFP>(map,position);
std::cout << "importSVG : Vertices merged." << std::endl;
for (unsigned int i = 1 ; i < nbSeg ; ++i)
{
brokenL.mark(dd);
brokenL.mark(map.phi2(dd));
position[dd] = p1 + v * i ;
dd = map.phi1(dd) ;
}
}
}
}
std::cout << "importSVG : Subdivision of long edges : " << count << " morceaux."<< std::endl;
/////////////////////////////////////////////////////////////////////////////////////////////
//cut the edges to have a more regular sampling
// float maxDist=60.0f;
// CellMarker treated(map,EDGE);
// for(Dart d = map.begin(); d != map.end(); map.next(d))
// {
// if(!treated.isMarked(d))
// {
// treated.mark(d);
// VEC3 p1 =position[d];
// VEC3 p2 =position[map.phi1(d)];
//
// if((p1-p2).norm()>maxDist)
// {
// unsigned int nbSeg = ((p1-p2).norm())/int(maxDist);
// for(unsigned int i=0;i<nbSeg-1;++i)
// {
// map.cutEdge(d);
//
// if(boundingBox.isMarked(d))
// boundingBox.mark(map.phi1(d));
// }
//
// Dart dd = map.phi1(d);
// VEC3 interv(p2-p1);
// interv /= nbSeg;
//
// for(unsigned int i=1;i<nbSeg;++i)
// {
// position[dd] = p1+interv*i;
// dd = map.phi1(dd);
// }
// }
// }
// }
//simplify the edges to have a more regular sampling
count = 0 ;
for (Dart d = map.begin() ; d != map.end() ; map.next(d))
{
if(!buildingMark.isMarked(d))
{
bool canSimplify = true ;
while ( canSimplify && (Geometry::edgeLength<PFP>(map,d,position) < edgeWidth[d]) )
{
if (map.vertexDegree(map.phi1(d)) == 2)
{
map.uncutEdge(d) ;
count++;
}
else
canSimplify = false ;
}
}
}
std::cout << "importSVG : Downsampling of vertices : " << count << " sommets supprimés." << std::endl;
/////////////////////////////////////////////////////////////////////////////////////////////
//process broken lines
CellMarker<EDGE> eMTreated(map);
for(Dart d = map.begin();d != map.end(); map.next(d))
CellMarker<EDGE> eMTreated(map) ;
for (Dart d = map.begin() ; d != map.end() ; map.next(d))
{
if(brokenL.isMarked(d) && !eMTreated.isMarked(d))
if (brokenL.isMarked(d) && !eMTreated.isMarked(d))
{
eMTreated.mark(d) ;
//insert a quadrangular face in the broken line
// -> we convert broken lines to faces to represent their width
// -> the intersection are then closed
Dart d1 = d;
Dart d2 = map.phi2(d);
VEC3 p1 = position[d1];
VEC3 p2 = position[d2];
float width = edgeWidth[d1]/2.0f;
if(width==0)
std::cout << "importSVG : error width of path is equal to zero" << std::endl;
Dart d1 = d ;
Dart d2 = map.phi2(d1) ;
eMTreated.mark(d1);
eMTreated.mark(d2);
map.unsewFaces(d1) ;
Dart dN = map.newFace(4) ;
VEC3 v = p2-p1;
//take the orthogonal direction to the path to apply width afterward
VEC3 ortho = v^VEC3(0,0,1);
ortho.normalize();
v.normalize();
VEC3 p1 = position[d1] ;
VEC3 p2 = position[d2] ;
VEC3 v = p2 - p1 ;
VEC3 ortho = v ^ VEC3(0, 0, 1);
float width = edgeWidth[d1] / 2.0f ;
ortho.normalize() ;
v.normalize() ;
//if the valence of one of the vertex is equal to one
//cut the edge to insert the quadrangular face
// if(map.phi2_1(d1)==d1)
if(map.phi_1(d1)==d2)
if(map.vertexDegree(d1)==2)
{
map.cutEdge(d2);
Dart dC = map.phi1(d2);
eMTreated.mark(dC);
position[map.phi_1(d1)]=p1;
edgePlanes[map.phi_1(d1)] = Geom::Plane3D<typename PFP::REAL>(v,p1);
map.cutEdge(d2) ;
brokenL.mark(map.phi1(d2)) ;
eMTreated.mark(map.phi1(d2)) ;
map.sewFaces(map.phi_1(d1), map.phi1(dN)) ;
obstacleMark.mark(map.phi_1(d1)) ;
position[map.phi_1(d1)] = p1 ;
edgePlanes[map.phi_1(d1)] = Geom::Plane3D<typename PFP::REAL>(v, p1) ;
}
else
if(map.vertexDegree(d2)==2)
{
if(d1 != map.phi1(d2) && map.phi_1(d1)!=map.phi1(d2))
{
map.splitFace(d1,map.phi1(d2));
}
map.cutEdge(d1) ;
brokenL.mark(map.phi1(d1)) ;
eMTreated.mark(map.phi1(d1)) ;
map.sewFaces(map.phi_1(d2), map.phi_1(dN)) ;
obstacleMark.mark(map.phi_1(d2)) ;
position[map.phi_1(d2)] = p2 ;
edgePlanes[map.phi_1(d2)] = Geom::Plane3D<typename PFP::REAL>(-1.0f * v, p2) ;
}
// if(map.phi2_1(d2)==d2)
if(map.phi_1(d2)==d1)
{
map.cutEdge(d1);
map.sewFaces(d1, dN) ;
obstacleMark.mark(d1) ;
edgePlanes[d1] = Geom::Plane3D<typename PFP::REAL>(ortho, p1 - (width * ortho)) ;
Dart dC = map.phi1(d1);
eMTreated.mark(dC);
map.sewFaces(d2, map.phi1(map.phi1(dN))) ;
obstacleMark.mark(d2) ;
edgePlanes[d2] = Geom::Plane3D<typename PFP::REAL>(-1.0f * ortho, p2 + (width * ortho)) ;
}
}
position[map.phi_1(d2)]=p2;
edgePlanes[map.phi_1(d2)] = Geom::Plane3D<typename PFP::REAL>(-1.0f*v, p2);
if(allBrokenLines.size()>0)
{
for (Dart d = map.begin() ; d != map.end() ; map.next(d))
{
if(map.isBoundaryMarked(d))
{
map.fillHole(d);
}
else
if(map.faceDegree(d)==2)
{
if(d2 != map.phi1(d1) && map.phi_1(d2)!=map.phi1(d1))
{
map.splitFace(d2,map.phi1(d1));
}
map.mergeFaces(d);
}
}
// map.sewFaces(d1, dN);
// map.sewFaces(d2, map.phi1(map.phi1(dN)));
//embed the path
for (Dart d = map.begin() ; d != map.end() ; map.next(d))
{
if (brokenL.isMarked(d))
{
VEC3 pos;
Geom::Plane3D<typename PFP::REAL> pl;
pos = position[d] ;
edgePlanes[d1] = Geom::Plane3D<typename PFP::REAL>(ortho, p1-(width*ortho));
edgePlanes[d2] = Geom::Plane3D<typename PFP::REAL>(-1.0f*ortho, p2+(width*ortho));
pl = edgePlanes[d] ;
pl.project(pos) ;
position[d] = pos ;
pos = position[map.phi1(d)] ;
pl.project(pos) ;
position[map.phi1(d)] = pos ;
}
}
}
std::cout << "Broken line faces : inserted" << std::endl;
map.template initAllOrbitsEmbedding<FACE>(true);
// //close the intersections
// for(Dart d = map.begin();d != map.end(); map.next(d))
// {
// if(map.isBoundaryMarked2(map.phi2(d)))
// map.closeHole(d);
// }
//embed the path
for(Dart d = map.begin();d != map.end(); map.next(d))
{
if(brokenL.isMarked(d))
for (Dart d = map.begin() ; d != map.end() ; map.next(d))