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Commit 887aa340 authored by Pierre Kraemer's avatar Pierre Kraemer
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Traversor pour calcul de normales et BB

parent 8906fc73
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Showing with 54 additions and 104 deletions
include/Algo/Geometry/boundingbox.h
View file @ 887aa340
......@@ -27,7 +27,7 @@
#include "Geometry/basic.h"
#include "Geometry/bounding_box.h"
#include "Topology/generic/cellmarker.h"
#include "Topology/generic/traversorCell.h"
namespace CGoGN
{
......@@ -42,17 +42,12 @@ template <typename PFP>
Geom::BoundingBox<typename PFP::VEC3> computeBoundingBox(typename PFP::MAP& map, const typename PFP::TVEC3& position, const FunctorSelect& select = SelectorTrue())
{
Geom::BoundingBox<typename PFP::VEC3> bb ;
CellMarker vmarker(map, VERTEX);
for(Dart d = map.begin(); d != map.end(); map.next(d))
TraversorV<typename PFP::MAP> t(map) ;
for(Dart d = t.begin(); d != t.end(); d = t.next())
{
if(select(d) && !vmarker.isMarked(d))
{
vmarker.mark(d);
if(select(d))
bb.addPoint(position[d]) ;
}
}
return bb ;
}
......
include/Algo/Geometry/normal.hpp
View file @ 887aa340
......@@ -25,6 +25,7 @@
#include "Algo/Geometry/basic.h"
#include "Algo/Geometry/area.h"
#include "Topology/generic/traversorCell.h"
#include "Topology/generic/traversor2.h"
#include <cmath>
......@@ -41,35 +42,26 @@ namespace Geometry
template <typename PFP>
typename PFP::VEC3 triangleNormal(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position)
{
typedef typename PFP::VEC3 VEC3 ;
const VEC3& p1 = position[d];
const VEC3& p2 = position[map.phi1(d)];
const VEC3& p3 = position[map.phi_1(d)];
VEC3 N = Geom::triangleNormal(p1, p2, p3) ;
typename PFP::VEC3 N = Geom::triangleNormal(position[d], position[map.phi1(d)], position[map.phi_1(d)]) ;
N.normalize() ;
return N ;
}
template<typename PFP>
typename PFP::VEC3 newellNormal(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position)
{
Dart it = d;
typename PFP::VEC3 N(0);
Traversor2FV<typename PFP::MAP> t(map, d) ;
do
for(Dart it = t.begin(); it != t.end(); it = t.next())
{
const typename PFP::VEC3& P = position[it];
it = map.phi1(it);
const typename PFP::VEC3& Q = position[it];
const typename PFP::VEC3& Q = position[map.phi1(it)];
N[0] += (P[1] - Q[1]) * (P[2] + Q[2]);
N[1] += (P[2] - Q[2]) * (P[0] + Q[0]);
N[2] += (P[0] - Q[0]) * (P[1] + Q[1]);
} while (it != d);
}
N.normalize();
return N;
}
......@@ -77,25 +69,24 @@ typename PFP::VEC3 newellNormal(typename PFP::MAP& map, Dart d, const typename P
template <typename PFP>
typename PFP::VEC3 faceNormal(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position)
{
typedef typename PFP::VEC3 VEC3 ;
if(map.isFaceTriangle(d))
return triangleNormal<PFP>(map, d, position) ;
else
{
VEC3 N(0) ;
Dart it = d ;
do
{
VEC3 n = triangleNormal<PFP>(map, it, position) ;
//if(!std::isnan(n[0]) && !std::isnan(n[1]) && !std::isnan(n[2]))
if(!n.hasNan())
N += n ;
it = map.phi1(it) ;
} while (it != d) ;
N.normalize() ;
return N ;
}
return newellNormal<PFP>(map, d, position) ;
// {
// VEC3 N(0) ;
// Dart it = d ;
// do
// {
// VEC3 n = triangleNormal<PFP>(map, it, position) ;
// //if(!std::isnan(n[0]) && !std::isnan(n[1]) && !std::isnan(n[2]))
// if(!n.hasNan())
// N += n ;
// it = map.phi1(it) ;
// } while (it != d) ;
// N.normalize() ;
// return N ;
// }
}
template <typename PFP>
......@@ -104,8 +95,9 @@ typename PFP::VEC3 vertexNormal(typename PFP::MAP& map, Dart d, const typename P
typedef typename PFP::VEC3 VEC3 ;
VEC3 N(0) ;
Dart it = d ;
do
Traversor2VF<typename PFP::MAP> t(map, d) ;
for(Dart it = t.begin(); it != t.end(); it = t.next())
{
VEC3 n = faceNormal<PFP>(map, it, position) ;
if(!n.hasNan())
......@@ -115,8 +107,8 @@ typename PFP::VEC3 vertexNormal(typename PFP::MAP& map, Dart d, const typename P
n *= convexFaceArea<PFP>(map, it, position) / (v1.norm2() * v2.norm2()) ;
N += n ;
}
it = map.phi1(map.phi2(it)) ;
} while (it != d) ;
}
N.normalize() ;
return N ;
}
......@@ -124,28 +116,22 @@ typename PFP::VEC3 vertexNormal(typename PFP::MAP& map, Dart d, const typename P
template <typename PFP>
void computeNormalFaces(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& face_normal, const FunctorSelect& select, unsigned int thread)
{
CellMarker marker(map, FACE,thread);
for(Dart d = map.begin(); d != map.end(); map.next(d))
TraversorF<typename PFP::MAP> trav(map, thread);
for (Dart d = trav.begin(); d != trav.end(); d = trav.next())
{
if(select(d) && !marker.isMarked(d))
{
marker.mark(d);
if (select(d))
face_normal[d] = faceNormal<PFP>(map, d, position) ;
}
}
}
template <typename PFP>
void computeNormalVertices(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& normal, const FunctorSelect& select, unsigned int thread)
{
CellMarker marker(map, VERTEX, thread);
for(Dart d = map.begin(); d != map.end(); map.next(d))
TraversorV<typename PFP::MAP> trav(map, thread);
for (Dart d = trav.begin(); d != trav.end(); d = trav.next())
{
if(select(d) && !marker.isMarked(d))
{
marker.mark(d);
if (select(d))
normal[d] = vertexNormal<PFP>(map, d, position) ;
}
}
}
......@@ -155,8 +141,6 @@ typename PFP::REAL computeAngleBetweenNormalsOnEdge(typename PFP::MAP& map, Dart
typedef typename PFP::VEC3 VEC3 ;
Dart dd = map.phi2(d) ;
if(dd == d)
return 0 ;
const VEC3 n1 = faceNormal<PFP>(map, d, position) ;
const VEC3 n2 = faceNormal<PFP>(map, dd, position) ;
......@@ -165,6 +149,7 @@ typename PFP::REAL computeAngleBetweenNormalsOnEdge(typename PFP::MAP& map, Dart
typename PFP::REAL s = e * (n1 ^ n2) ;
typename PFP::REAL c = n1 * n2 ;
typename PFP::REAL a(0) ;
// the following trick is useful for avoiding NaNs (due to floating point errors)
if (c > 0.5) a = asin(s) ;
else
......@@ -182,14 +167,11 @@ typename PFP::REAL computeAngleBetweenNormalsOnEdge(typename PFP::MAP& map, Dart
template <typename PFP>
void computeAnglesBetweenNormalsOnEdges(typename PFP::MAP& map, typename PFP::TVEC3& position, typename PFP::TREAL& angles, const FunctorSelect& select, unsigned int thread)
{
CellMarker me(map, EDGE, thread) ;
for(Dart d = map.begin(); d != map.end(); map.next(d))
TraversorE<typename PFP::MAP> trav(map, thread);
for (Dart d = trav.begin(); d != trav.end(); d = trav.next())
{
if(select(d) && !me.isMarked(d))
{
me.mark(d) ;
if (select(d))
angles[d] = computeAngleBetweenNormalsOnEdge<PFP>(map, d, position) ;
}
}
}
......
include/Algo/Render/GL2/mapRender.hpp
View file @ 887aa340
......@@ -22,16 +22,16 @@
* *
*******************************************************************************/
#include "Topology/generic/attributeHandler.h"
#include "Topology/generic/dartmarker.h"
#include "Topology/generic/cellmarker.h"
#include "Topology/generic/traversorCell.h"
#include "Utils/vbo.h"
#include "Topology/generic/attributeHandler.h"
#include "Geometry/intersection.h"
#include "Algo/Geometry/normal.h"
#include "Topology/generic/traversorCell.h"
namespace CGoGN
{
......@@ -44,7 +44,6 @@ namespace Render
namespace GL2
{
inline bool MapRender::cmpVP(VertexPoly* lhs, VertexPoly* rhs)
{
// return lhs->value < rhs->value;
......@@ -54,7 +53,6 @@ inline bool MapRender::cmpVP(VertexPoly* lhs, VertexPoly* rhs)
return lhs->value < rhs->value;
}
template<typename VEC3>
bool MapRender::inTriangle(const VEC3& P, const VEC3& normal, const VEC3& Ta, const VEC3& Tb, const VEC3& Tc)
{
......@@ -72,8 +70,6 @@ bool MapRender::inTriangle(const VEC3& P, const VEC3& normal, const VEC3& Ta, c
return true;
}
template<typename PFP>
void MapRender::recompute2Ears( AttributeHandler<typename PFP::VEC3>& position, VertexPoly* vp, const typename PFP::VEC3& normalPoly, VPMS& ears, bool convex)
{
......@@ -136,7 +132,6 @@ void MapRender::recompute2Ears( AttributeHandler<typename PFP::VEC3>& position,
vp2->ear = ears.insert(vp2);
}
template<typename PFP>
float MapRender::computeEarAngle(const typename PFP::VEC3& P1, const typename PFP::VEC3& P2, const typename PFP::VEC3& P3, const typename PFP::VEC3& normalPoly)
{
......@@ -155,7 +150,6 @@ float MapRender::computeEarAngle(const typename PFP::VEC3& P1, const typename PF
return dotpr;
}
template<typename PFP>
bool MapRender::computeEarIntersection(AttributeHandler<typename PFP::VEC3>& position, VertexPoly* vp, const typename PFP::VEC3& normalPoly)
{
......@@ -180,8 +174,6 @@ bool MapRender::computeEarIntersection(AttributeHandler<typename PFP::VEC3>& pos
return true;
}
template<typename PFP>
inline void MapRender::addEarTri(typename PFP::MAP& map, Dart d, std::vector<GLuint>& tableIndices)
{
......@@ -287,7 +279,6 @@ inline void MapRender::addEarTri(typename PFP::MAP& map, Dart d, std::vector<GLu
}
}
template<typename PFP>
inline void MapRender::addTri(typename PFP::MAP& map, Dart d, std::vector<GLuint>& tableIndices)
{
......@@ -317,15 +308,13 @@ inline void MapRender::addTri(typename PFP::MAP& map, Dart d, std::vector<GLuint
}
template<typename PFP>
void MapRender::initTriangles(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
// DartMarker m(map, thread);
tableIndices.reserve(4 * map.getNbDarts() / 3);
TraversorF<typename PFP::MAP> trav(map);
for (Dart d = trav.begin(); d!= trav.end(); d = trav.next())
TraversorF<typename PFP::MAP> trav(map, thread);
for (Dart d = trav.begin(); d != trav.end(); d = trav.next())
{
if (good(d))
addTri<PFP>(map, d, tableIndices);
......@@ -391,23 +380,12 @@ void MapRender::initTrianglesOptimized(typename PFP::MAP& map, const FunctorSele
template<typename PFP>
void MapRender::initLines(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
// DartMarker m(map, thread);
tableIndices.reserve(map.getNbDarts());
// for(Dart d = map.begin(); d != map.end(); map.next(d))
// {
// if(!m.isMarked(d) && good(d))
// {
// tableIndices.push_back(map.getEmbedding(VERTEX, d));
// tableIndices.push_back(map.getEmbedding(VERTEX, map.phi1(d)));
// m.markOrbit(EDGE, d);
// }
// }
TraversorE<typename PFP::MAP> trav(map);
for (Dart d = trav.begin(); d!= trav.end(); d = trav.next())
TraversorE<typename PFP::MAP> trav(map, thread);
for (Dart d = trav.begin(); d != trav.end(); d = trav.next())
{
if (good(d) && map.isBoundaryEdge(d))
if (good(d))
{
tableIndices.push_back(map.getEmbedding(VERTEX, d));
tableIndices.push_back(map.getEmbedding(VERTEX, map.phi1(d)));
......@@ -418,10 +396,10 @@ void MapRender::initLines(typename PFP::MAP& map, const FunctorSelect& good, std
template<typename PFP>
void MapRender::initBoundaries(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
TraversorE<typename PFP::MAP> trav(map);
tableIndices.reserve(map.getNbDarts()); //TODO optimisation ?
for (Dart d = trav.begin(); d!= trav.end(); d = trav.next())
TraversorE<typename PFP::MAP> trav(map, thread);
for (Dart d = trav.begin(); d != trav.end(); d = trav.next())
{
if (good(d) && map.isBoundaryEdge(d))
{
......@@ -483,21 +461,16 @@ void MapRender::initLinesOptimized(typename PFP::MAP& map, const FunctorSelect&
template<typename PFP>
void MapRender::initPoints(typename PFP::MAP& map, const FunctorSelect& good, std::vector<GLuint>& tableIndices, unsigned int thread)
{
CellMarker m(map, VERTEX, thread) ;
tableIndices.reserve(map.getNbDarts() / 5);
for(Dart d = map.begin(); d != map.end(); map.next(d))
TraversorV<typename PFP::MAP> trav(map, thread);
for (Dart d = trav.begin(); d != trav.end(); d = trav.next())
{
if(!m.isMarked(d) && good(d))
{
if (good(d))
tableIndices.push_back(map.getEmbedding(VERTEX, d));
m.mark(d) ;
}
}
}
template<typename PFP>
void MapRender::initPrimitives(typename PFP::MAP& map, const FunctorSelect& good, int prim, bool optimized, unsigned int thread)
{
......
include/Topology/generic/traversor2.h
View file @ 887aa340
......@@ -81,7 +81,7 @@ public:
if(current != NIL)
{
current = m.alpha1(current) ;
if(m.isBoundarymarked(current)) // jump over a boundary face
if(m.isBoundaryMarked(current)) // jump over a boundary face
current = m.alpha1(current) ;
if(current == start)
current = NIL ;
......
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