Merge branch 'develop' into 'develop'

Develop

See merge request !63

Apps/Examples/CMakeLists.txt

@@ -40,7 +40,7 @@ qt_wrap_cpp( viewer_moc viewer.h )
 add_executable( viewer viewer.cpp ${viewer_moc} ${viewer_ui} )
 target_link_libraries( viewer ${CGoGN_LIBS} ${NUMERICAL_LIBS} ${CGoGN_EXT_LIBS} )
 
-IF (CGoGN_GCC_4_9)
+IF (HAS_CPP11_REGEX)
 	qt_wrap_ui( clipping_ui clipping.ui )
 	qt_wrap_cpp( clipping_moc clipping.h )
 	add_executable( clipping clipping.cpp ${clipping_ui} ${clipping_moc} )

CGoGN/include/Algo/Modelisation/subdivision.h

@@ -94,6 +94,12 @@ void quadranguleFaces(typename PFP::MAP& map, EMBV& attributs) ;
 template <typename PFP, typename EMBV>
 void CatmullClarkSubdivision(typename PFP::MAP& map, EMBV& attributs) ;
 
+/**
+* Interpolant Catmull-Clark subdivision scheme
+*/
+template <typename PFP, typename EMBV>
+void CatmullClarkInterpolSubdivision(typename PFP::MAP& map, EMBV& attributs);
+
 /**
  * Loop subdivision scheme
  */

CGoGN/include/Algo/Modelisation/subdivision.hpp

@@ -180,9 +180,142 @@ void quadranguleFaces(typename PFP::MAP& map, EMBV& attributs)
 //	quadranguleFaces<PFP, VertexAttribute<typename PFP::VEC3>, typename PFP::VEC3>(map, position) ;
 //}
 
+
+// ORIGINALE
+//template <typename PFP, typename EMBV>
+//void CatmullClarkSubdivision(typename PFP::MAP& map, EMBV& attributs)
+//{
+//	typedef typename PFP::MAP MAP;
+//	typedef typename EMBV::DATA_TYPE EMB;
+//
+//	std::vector<Dart> l_middles;
+//	std::vector<Dart> l_verts;
+//
+//	CellMarkerNoUnmark<MAP, VERTEX> m0(map);
+//	DartMarkerNoUnmark<MAP> mf(map);
+//	DartMarkerNoUnmark<MAP> me(map);
+//
+//	// first pass: cut edges
+//	for (Dart d = map.begin(); d != map.end(); map.next(d))
+//	{
+//		if ( !map.template isBoundaryMarked<2>(d) && !me.isMarked(d))
+//		{
+//			if (!m0.isMarked(d))
+//			{
+//				m0.mark(d);
+//				l_verts.push_back(d);
+//			}
+//			Dart d2 = map.phi2(d);
+//			if (!m0.isMarked(d2))
+//			{
+//				m0.mark(d2);
+//				l_verts.push_back(d2);
+//			}
+//
+//			Dart f = map.phi1(d);
+//			Dart e = map.cutEdge(d);
+//
+//			attributs[e] = attributs[d];
+//			attributs[e] += attributs[f];
+//			attributs[e] *= 0.5;
+//
+//			me.template markOrbit<EDGE>(d);
+//			me.template markOrbit<EDGE>(e);
+//
+//			mf.mark(d) ;
+//			mf.mark(map.phi2(e)) ;
+//
+//			l_middles.push_back(e);
+//		}
+//	}
+//
+//	// second pass: quandrangule faces
+//	for (Dart d = map.begin(); d != map.end(); map.next(d))
+//	{
+//		if ( !map.template isBoundaryMarked<2>(d) && mf.isMarked(d)) // for each face not subdivided
+//		{
+//			// compute center skip darts of new vertices non embedded
+////			EMB center = AttribOps::zero<EMB,PFP>();
+//			EMB center(0.0);
+//			unsigned int count = 0 ;
+//			mf.template unmarkOrbit<FACE>(d) ;
+//			Dart it = d;
+//			do
+//			{
+//				center += attributs[it];
+//				++count ;
+//				me.template unmarkOrbit<PFP::MAP::EDGE_OF_PARENT>(it);
+//
+//				it = map.phi1(it) ;
+//				me.template unmarkOrbit<PFP::MAP::EDGE_OF_PARENT>(it);
+//				it = map.phi1(it) ;
+//			} while(it != d) ;
+//			center /= float(count);
+//			Dart cf = quadranguleFace<PFP>(map, d);	// quadrangule the face
+//			attributs[cf] = center;					// affect the data to the central vertex
+//		}
+//	}
+//
+//	// Compute edge points
+//	for(typename std::vector<Dart>::iterator mid = l_middles.begin(); mid != l_middles.end(); ++mid)
+//	{
+//		Dart x = *mid;
+//		// other side of the edge
+//		if (!map.isBoundaryEdge(x))
+//		{
+//			Dart f1 = map.phi_1(x);
+//			Dart f2 = map.phi2(map.phi1(map.phi2(x)));
+////			EMB temp = AttribOps::zero<EMB,PFP>();
+////			temp = attributs[f1];
+//			EMB temp = attributs[f1];
+//			temp += attributs[f2];			// E' = (V0+V1+F1+F2)/4
+//			temp *= 0.25;
+//			attributs[x] *= 0.5;
+//			attributs[x] += temp;
+//		}
+//		// else nothing to do point already in the middle of segment
+//	}
+//
+//	// Compute vertex points
+//	for(typename std::vector<Dart>::iterator vert = l_verts.begin(); vert != l_verts.end(); ++vert)
+//	{
+//		m0.unmark(*vert);
+//
+////		EMB temp = AttribOps::zero<EMB,PFP>();
+////		EMB temp2 = AttribOps::zero<EMB,PFP>();
+//		EMB temp(0.0);
+//		EMB temp2(0.0);
+//
+//		unsigned int n = 0;
+//		Dart x = *vert;
+//		do
+//		{
+//			Dart m = map.phi1(x);
+//			Dart f = map.phi2(m);
+//			Dart v = map.template phi<11>(f);
+//
+//			temp += attributs[f];
+//			temp2 += attributs[v];
+//
+//			++n;
+//			x = map.phi2_1(x);
+//		} while (x != *vert);
+//
+//		EMB emcp = attributs[*vert];
+//		emcp *= float((n-2)*n);		// V' = (n-2)/n*V + 1/n2 *(F+E)
+//		emcp += temp;
+//		emcp += temp2;
+//		emcp /= float(n*n);
+//
+//		attributs[*vert] = emcp ;
+//	}
+//}
+
+
 template <typename PFP, typename EMBV>
 void CatmullClarkSubdivision(typename PFP::MAP& map, EMBV& attributs)
 {
+
 	typedef typename PFP::MAP MAP;
 	typedef typename EMBV::DATA_TYPE EMB;
 
@@ -233,7 +366,6 @@ void CatmullClarkSubdivision(typename PFP::MAP& map, EMBV& attributs)
 		if ( !map.template isBoundaryMarked<2>(d) && mf.isMarked(d)) // for each face not subdivided
 		{
 			// compute center skip darts of new vertices non embedded
-//			EMB center = AttribOps::zero<EMB,PFP>();
 			EMB center(0.0);
 			unsigned int count = 0 ;
 			mf.template unmarkOrbit<FACE>(d) ;
@@ -251,11 +383,12 @@ void CatmullClarkSubdivision(typename PFP::MAP& map, EMBV& attributs)
 			center /= float(count);
 			Dart cf = quadranguleFace<PFP>(map, d);	// quadrangule the face
 			attributs[cf] = center;					// affect the data to the central vertex
+
 		}
 	}
 
 	// Compute edge points
-	for(typename std::vector<Dart>::iterator mid = l_middles.begin(); mid != l_middles.end(); ++mid)
+	for (typename std::vector<Dart>::iterator mid = l_middles.begin(); mid != l_middles.end(); ++mid)
 	{
 		Dart x = *mid;
 		// other side of the edge
@@ -263,52 +396,195 @@ void CatmullClarkSubdivision(typename PFP::MAP& map, EMBV& attributs)
 		{
 			Dart f1 = map.phi_1(x);
 			Dart f2 = map.phi2(map.phi1(map.phi2(x)));
-//			EMB temp = AttribOps::zero<EMB,PFP>();
-//			temp = attributs[f1];
-			EMB temp = attributs[f1];
-			temp += attributs[f2];			// E' = (V0+V1+F1+F2)/4
-			temp *= 0.25;
-			attributs[x] *= 0.5;
-			attributs[x] += temp;
+			attributs[x] += (attributs[f1] + attributs[f2]) / 4.0 - (attributs[x] / 2.0);
 		}
 		// else nothing to do point already in the middle of segment
 	}
 
 	// Compute vertex points
-	for(typename std::vector<Dart>::iterator vert = l_verts.begin(); vert != l_verts.end(); ++vert)
+	for (typename std::vector<Dart>::iterator vert = l_verts.begin(); vert != l_verts.end(); ++vert)
 	{
 		m0.unmark(*vert);
 
-//		EMB temp = AttribOps::zero<EMB,PFP>();
-//		EMB temp2 = AttribOps::zero<EMB,PFP>();
-		EMB temp(0.0);
-		EMB temp2(0.0);
+		EMB sumFace(0.0); // Sum_F
+		EMB sumEdge(0.0);// Sum_E
 
-		unsigned int n = 0;
+		int n = 0;
 		Dart x = *vert;
 		do
 		{
 			Dart m = map.phi1(x);
 			Dart f = map.phi2(m);
-			Dart v = map.template phi<11>(f);
-
-			temp += attributs[f];
-			temp2 += attributs[v];
 
+			sumFace += attributs[f];
+			sumEdge += attributs[m];
 			++n;
 			x = map.phi2_1(x);
 		} while (x != *vert);
 
-		EMB emcp = attributs[*vert];
-		emcp *= float((n-2)*n);		// V' = (n-2)/n*V + 1/n2 *(F+E)
-		emcp += temp;
-		emcp += temp2;
-		emcp /= float(n*n);
+		EMB deltaV = attributs[*vert] * float(-3*n);	// (-3 * attributs[*vert]
+		deltaV += sumFace;								// + sumFace/n
+		deltaV += 2.0*sumEdge;							// + sumEdge/n)
+		deltaV /= float(n*n);								// /n
+
+		attributs[*vert] += deltaV;
+	}
+}
+
+
+
+
+
+
+template <typename PFP, typename EMBV>
+void CatmullClarkInterpolSubdivision(typename PFP::MAP& map, EMBV& attributs)
+{
+	typedef typename PFP::MAP MAP;
+	typedef typename EMBV::DATA_TYPE EMB;
+
+	VertexAutoAttribute<EMB, PFP::MAP> facesAverage(map);
+
+	std::vector<Dart> l_vertices;
+	std::vector<Dart> l_edges;
+	std::vector<Dart> l_faces;
+	l_vertices.reserve(attributs.nbElements() + 10);
+	l_faces.reserve(l_vertices.capacity() / 2);
+	l_edges.reserve(l_faces.capacity() * 2);
 
-		attributs[*vert] = emcp ;
+	DartMarker<MAP> mf(map);
+	DartMarker<MAP> me(map);
+
+	for (Vertex v : allVerticesOf(map))
+	{
+		l_vertices.push_back(v);
+	}
+
+	// first step: cut edges
+	for (Dart d = map.begin(); d != map.end(); map.next(d))
+	{
+		if (!me.isMarked(d))
+		{
+			mf.markOrbit<EDGE>(d);
+			Dart f = map.phi1(d);
+			Dart e = map.cutEdge(d);
+			attributs[e] = (attributs[d] + attributs[f]) /2.0;
+			me.template markOrbit<EDGE>(d);
+			me.template markOrbit<EDGE>(e);
+			// warning store the dart that does not belong to the boundary
+			if (map.isBoundaryMarked<2>(e))
+				l_edges.push_back(map.phi2(d));
+			else
+				l_edges.push_back(e);
+		}
+	}
+
+
+	// second step: quandrangule faces
+	for (Dart d = map.begin(); d != map.end(); map.next(d))
+	{
+		if (!map.template isBoundaryMarked<2>(d) && mf.isMarked(d)) 
+		{
+			EMB center(0.0);
+			unsigned int count = 0;
+			mf.template unmarkOrbit<FACE>(d);
+			Dart it = d;
+			do
+			{
+				center += attributs[it];
+				++count;
+				// unmark me on the fly 
+				me.template unmarkOrbit<PFP::MAP::EDGE_OF_PARENT>(it);
+				it = map.phi1(it);
+				me.template unmarkOrbit<PFP::MAP::EDGE_OF_PARENT>(it);
+				it = map.phi1(it); // do not forget to skip the middle edge vertices
+			} while (it != d);
+			center /= float(count);
+			Dart cf = quadranguleFace<PFP>(map, d);	// quadrangule the face
+			attributs[cf] = center;					// affect the data to the central vertex
+			l_faces.push_back(cf);
+		}
+	}
+	
+	// compute face average of "vertices"
+	for (Dart v : l_vertices)
+	{
+		EMB average(0.0);
+		int n = 0;
+		for (Face x : facesIncidentToVertex2(map, v))
+		{
+			Dart f = map.template phi<11>(x);
+			++n;
+			average += attributs[f];
+		}
+		facesAverage[v] = average / float(n);
+	}
+
+	// compute face average of "edges"
+	for (Dart e : l_edges)
+	{
+		if (!map.isBoundaryMarked<2>(map.phi2(e))) // faster than map.isBoundaryEdge(e)
+		{
+			Dart ff = map.phi_1(e);
+			Dart f = map.template phi<211>(e);
+			facesAverage[e] = (attributs[ff] + attributs[f]) / 2.0;
+		}
+		else
+			facesAverage[e] = attributs[e];
+	}
+
+	// Move edge points
+	for (Dart x: l_edges)
+	{
+		Dart xb = map.phi2(x);
+
+		if (map.isBoundaryMarked<2>(x))
+			std::cout << "ERROR " << attributs[x];
+
+		if (!map.isBoundaryMarked<2>(xb))
+		{
+			Dart v1 = map.phi1(x);
+			Dart v2 = map.phi_1(map.phi2(map.phi_1(x)));
+			attributs[x] -= (facesAverage[v1] + facesAverage[v2]) / 4.0 - facesAverage[x] / 2.0;
+		}
+		else // do the 4 point scheme
+		{
+			Dart a = map.template phi<1112>(xb); 
+			Dart b = map.template phi<12>(xb);
+			Dart c = map.phi1(x);
+			Dart d = map.phi2(map.phi_1(map.phi_1(map.phi_1(xb))));
+			// use the 4 old vertices and not the two edge-points because we are writing on edge-points
+			attributs[x] -= (attributs[a] + attributs[b] + attributs[c] + attributs[d]) / 16.0  - attributs[x] / 4.0;
+		}
+	}
+
+	// Move face points
+	for (Dart f : l_faces)
+	{
+		EMB sumVert(0.0); 
+		EMB sumEdge(0.0);
+
+		int n = 0;
+		Dart x = f;
+		do
+		{
+			Dart m = map.phi1(x);
+			Dart v = map.phi1(m);
+			sumVert += facesAverage[v];
+			sumEdge += facesAverage[m];
+			++n;
+			x = map.phi2_1(x);
+		} while (x != f);
+
+		EMB deltaF = (double(-3 * n)*attributs[f] + sumVert + 2.0*sumEdge) / double(n*n);
+		attributs[f] -= deltaF;
 	}
 }
 
+
+
+
+
+
 //template <typename PFP>
 //void CatmullClarkSubdivision(typename PFP::MAP& map, VertexAttribute<typename PFP::VEC3>& position)
 //{

CGoGN/include/Algo/Render/GL2/mapRender.hpp

@@ -536,8 +536,11 @@ void MapRender::initPrimitives(typename PFP::MAP& map, int prim, const VertexAtt
 	m_indexBufferUpToDate[prim] = true;
 
 	// setup du buffer d'indices
-	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffers[prim]);
-	glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_nbIndices[prim] * sizeof(GLuint), &(tableIndices[0]), GL_STREAM_DRAW);
+	if (m_nbIndices[prim] > 0)
+	{
+		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffers[prim]);
+		glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_nbIndices[prim] * sizeof(GLuint), &(tableIndices[0]), GL_STREAM_DRAW);
+	}
 }
 
 template <typename PFP>

CGoGN/include/Utils/Shaders/shaderRadiancePerVertexInterp.frag

@@ -75,7 +75,7 @@ void set_eval_direction (vec3 v)
 
 void main (void)
 {
-        int size = (textureSize(texture,0)).x; // supposed square matrix
+	int size = (textureSize(texture,0)).x; // supposed square matrix
 
 	vec3 eyeV = normalize(camera - vxPos); // normalized outgoing line-of-sight vector
 	eyeV = 2*dot(vxNorm,eyeV)*vxNorm-eyeV ; // symmetrize

CGoGN/include/Utils/Shaders/shaderSimpleColor.h

@@ -67,6 +67,9 @@ public:
 	unsigned int setAttributePosition(VBO* vbo);
 
 	void setClippingPlane(const Geom::Vec4f& plane);
+
+	inline void setNoClippingPlane() { setClippingPlane(Geom::Vec4f(0.0f,0.0f,0.0f,0.0f)); }
+
 };
 
 } // namespace Utils

CGoGN/src/Utils/GLSLShader.cpp

@@ -39,41 +39,43 @@ namespace CGoGN
 namespace Utils
 {
 
-#ifdef CGOGN_USE_OGL_CORE_PROFILE
-unsigned int GLSLShader::CURRENT_OGL_VERSION = 3;
-unsigned int GLSLShader::MAJOR_OGL_CORE = 3;
-unsigned int GLSLShader::MINOR_OGL_CORE = 3;
-#else
-unsigned int GLSLShader::CURRENT_OGL_VERSION = 2;
-unsigned int GLSLShader::MAJOR_OGL_CORE = 2;
-unsigned int GLSLShader::MINOR_OGL_CORE = 1;
-#endif
-
-std::string GLSLShader::DEFINES_GL2=\
-"#version 110\n"
-"#define PRECISION float pipo_PRECISION\n"
-"#define ATTRIBUTE attribute\n"
-"#define VARYING_VERT varying\n"
-"#define VARYING_FRAG varying\n"
-"#define FRAG_OUT_DEF float pipo_FRAGDEF\n"
-"#define FRAG_OUT gl_FragColor\n"
-"#define INVARIANT_POS float pipo_INVARIANT\n"
-"#define TEXTURE2D texture2D\n"
-;
-
-std::string GLSLShader::DEFINES_GL3=\
-"#version 330\n"
-"#define PRECISION precision highp float\n"
-"#define ATTRIBUTE in\n"
-"#define VARYING_VERT out\n"
-"#define VARYING_FRAG in\n"
-"#define FRAG_OUT_DEF out vec4 outFragColor\n"
-"#define FRAG_OUT outFragColor\n"
-"#define INVARIANT_POS invariant gl_Position\n"
-"#define TEXTURE2D texture\n"
-;
-
-std::string* GLSLShader::DEFINES_GL = NULL;
+//#ifdef CGOGN_USE_OGL_CORE_PROFILE
+//unsigned int GLSLShader::CURRENT_OGL_VERSION = 3;
+//unsigned int GLSLShader::MAJOR_OGL_CORE = 3;
+//unsigned int GLSLShader::MINOR_OGL_CORE = 3;
+//#else
+//unsigned int GLSLShader::CURRENT_OGL_VERSION = 2;
+//unsigned int GLSLShader::MAJOR_OGL_CORE = 2;
+//unsigned int GLSLShader::MINOR_OGL_CORE = 1;
+//#endif
+
+
+
+//std::string GLSLShader::DEFINES_GL2=\
+//"#version 110\n"
+//"#define PRECISION float pipo_PRECISION\n"
+//"#define ATTRIBUTE attribute\n"
+//"#define VARYING_VERT varying\n"
+//"#define VARYING_FRAG varying\n"
+//"#define FRAG_OUT_DEF float pipo_FRAGDEF\n"
+//"#define FRAG_OUT gl_FragColor\n"
+//"#define INVARIANT_POS float pipo_INVARIANT\n"
+//"#define TEXTURE2D texture2D\n";
+
+
+//std::string GLSLShader::DEFINES_GL3=\
+//"#version 150\n"
+//"#define PRECISION precision highp float\n"
+//"#define ATTRIBUTE in\n"
+//"#define VARYING_VERT out\n"
+//"#define VARYING_FRAG in\n"
+//"#define FRAG_OUT_DEF out vec4 outFragColor\n"
+//"#define FRAG_OUT outFragColor\n"
+//"#define INVARIANT_POS invariant gl_Position\n"
+//"#define TEXTURE2D texture\n";
+
+
+//std::string* GLSLShader::DEFINES_GL = NULL;
 
 std::vector<std::string> GLSLShader::m_pathes;
 

CGoGN/src/Utils/Shaders/shaderPhong.cpp

@@ -21,7 +21,6 @@
 * Contact information: cgogn@unistra.fr                                        *
 *                                                                              *
 *******************************************************************************/
-
 #define CGoGN_UTILS_DLL_EXPORT 1
 #include <GL/glew.h>
 #include "Utils/Shaders/shaderPhong.h"
@@ -37,6 +36,7 @@ namespace Utils
 #include "shaderPhongClip.vert"
 #include "shaderPhongClip.frag"
 
+
 ShaderPhong::ShaderPhong(bool withClipping, bool doubleSided, bool withEyePosition):
 	m_with_color(false),
 	m_with_eyepos(withEyePosition),
@@ -54,17 +54,30 @@ ShaderPhong::ShaderPhong(bool withClipping, bool doubleSided, bool withEyePositi
 	std::string glxvert(GLSLShader::defines_gl());
 	std::string glxfrag(GLSLShader::defines_gl());
 
-	// get choose GL defines (2 or 3)
-	// ans compile shaders
-	std::string glxvert(GLSLShader::defines_gl());
-	if (m_with_eyepos)
-		glxvert.append("#define WITH_EYEPOSITION");
-	glxvert.append(vertexShaderText);
-	std::string glxfrag(GLSLShader::defines_gl());
-	// Use double sided lighting if set
-	if (doubleSided)
-		glxfrag.append("#define DOUBLE_SIDED\n");
-	glxfrag.append(fragmentShaderText);
+	if (withClipping)
+	{
+		m_nameVS = "ShaderPhongClip_vs";
+		m_nameFS = "ShaderPhongClip_fs";
+		if (m_with_eyepos)
+			glxvert.append("#define WITH_EYEPOSITION");
+		glxvert.append(vertexShaderClipText);
+		// Use double sided lighting if set
+		if (doubleSided)
+			glxfrag.append("#define DOUBLE_SIDED\n");
+		glxfrag.append(fragmentShaderClipText);
+	}
+	else
+	{
+		m_nameVS = "ShaderPhong_vs";
+		m_nameFS = "ShaderPhong_fs";
+		if (m_with_eyepos)
+			glxvert.append("#define WITH_EYEPOSITION");
+		glxvert.append(vertexShaderText);
+		// Use double sided lighting if set
+		if (doubleSided)
+			glxfrag.append("#define DOUBLE_SIDED\n");
+		glxfrag.append(fragmentShaderText);
+	}
 
 	loadShadersFromMemory(glxvert.c_str(), glxfrag.c_str());
 

CGoGN/src/Utils/Shaders/shaderSimpleFlat.cpp

@@ -21,7 +21,6 @@
 * Contact information: cgogn@unistra.fr                                        *
 *                                                                              *
 *******************************************************************************/
-
 #define CGoGN_UTILS_DLL_EXPORT 1
 #include <GL/glew.h>
 #include "Utils/Shaders/shaderSimpleFlat.h"
@@ -37,6 +36,8 @@ namespace Utils
 #include "shaderSimpleFlatClip.vert"
 #include "shaderSimpleFlatClip.frag"
 
+
+
 ShaderSimpleFlat::ShaderSimpleFlat(bool withClipping, bool doubleSided):
 	m_with_color(false),
 	m_ambiant(Geom::Vec4f(0.05f,0.05f,0.1f,0.0f)),
@@ -47,18 +48,8 @@ ShaderSimpleFlat::ShaderSimpleFlat(bool withClipping, bool doubleSided):
 	m_vboColor(NULL),
 	m_planeClip(Geom::Vec4f(0.0f,0.0f,0.0f,0.0f))
 {
-	m_nameVS = "ShaderSimpleFlat_vs";
-	m_nameFS = "ShaderSimpleFlat_fs";