SCHNApps: new surface_radiance plugin

+ add shader RadiancePerVertex in CGoGN
+ add spherical harmonics in CGoGN

SCHNApps/CMakeLists.txt

@@ -31,6 +31,8 @@ find_package(SuiteSparse REQUIRED)
 #find_package(SuperLU REQUIRED)
 
 
+add_definitions(-DWITH_QT)
+
 SET( QT_USE_QTOPENGL TRUE )
 SET( QT_USE_QTXML TRUE )
 SET( QT_USE_QTDESIGNER TRUE )

SCHNApps/Plugins/CMakeLists.txt

@@ -12,6 +12,7 @@ ADD_SUBDIRECTORY(surface_deformation)
 ADD_SUBDIRECTORY(surface_modelisation)
 #ADD_SUBDIRECTORY(surface_tilings)
 ADD_SUBDIRECTORY(surface_distance)
+ADD_SUBDIRECTORY(surface_radiance)
 
 ADD_SUBDIRECTORY(volume_import)
 #ADD_SUBDIRECTORY(volume_render)

SCHNApps/Plugins/surface_radiance/CMakeLists.txt

+cmake_minimum_required(VERSION 2.8)
+
+SET( PLUGIN_NAME Surface_Radiance )
+
+SET( PLUGIN_ROOT_DIR ${SCHNApps_ROOT_DIR}/Plugins/surface_radiance )
+
+INCLUDE_DIRECTORIES(
+	${PLUGIN_ROOT_DIR}/include
+	${CMAKE_CURRENT_BINARY_DIR}
+)
+
+file(
+	GLOB_RECURSE
+	PLUGIN_FILES
+	${PLUGIN_ROOT_DIR}/src/*.cpp
+	${PLUGIN_ROOT_DIR}/include/*.h
+	${PLUGIN_ROOT_DIR}/include/*.hpp
+)
+
+file(
+	GLOB_RECURSE
+	PLUGIN_UI_FILES
+	${PLUGIN_ROOT_DIR}/forms/*.ui
+)
+
+SET(
+	PLUGIN_QOBJECT_FILES
+	${PLUGIN_ROOT_DIR}/include/surface_radiance.h
+	${PLUGIN_ROOT_DIR}/include/surface_radiance_dockTab.h
+)
+
+include( ${SCHNApps_ROOT_DIR}/Plugins/plugins_cmake.txt )

SCHNApps/Plugins/surface_radiance/forms/surface_radiance.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Surface_Radiance_TabWidget</class>
+ <widget class="QWidget" name="Surface_Radiance_TabWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>225</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Position :</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QComboBox" name="combo_positionVBO">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <item>
+      <property name="text">
+       <string>- select VBO -</string>
+      </property>
+     </item>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>Normal :</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QComboBox" name="combo_normalVBO">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <item>
+      <property name="text">
+       <string>- select VBO -</string>
+      </property>
+     </item>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

SCHNApps/Plugins/surface_radiance/include/surface_radiance.h

+#ifndef _SURFACE_RADIANCE_PLUGIN_H_
+#define _SURFACE_RADIANCE_PLUGIN_H_
+
+#include "plugin_interaction.h"
+#include "surface_radiance_dockTab.h"
+
+#include "Utils/sphericalHarmonics.h"
+#include "Utils/Shaders/shaderRadiancePerVertex.h"
+
+#include "Algo/Import/import.h"
+#include "Algo/Import/import2tables.h"
+
+namespace CGoGN
+{
+
+namespace SCHNApps
+{
+
+typedef SphericalHarmonics<PFP2::REAL, PFP2::VEC3> SH_TYPE;
+
+struct MapParameters
+{
+	MapParameters() :
+		positionVBO(NULL),
+		normalVBO(NULL),
+		radianceTexture(NULL),
+		paramVBO(NULL)
+	{}
+
+	Utils::VBO* positionVBO;
+	Utils::VBO* normalVBO;
+
+	CGoGN::Utils::ShaderRadiancePerVertex* radiancePerVertexShader;
+
+	VertexAttribute<SH_TYPE, PFP2::MAP> radiance;
+	Utils::Texture<2, Geom::Vec3f>* radianceTexture;
+	VertexAttribute<Geom::Vec2i, PFP2::MAP> param;
+	Utils::VBO* paramVBO;
+};
+
+class Surface_Radiance_Plugin : public PluginInteraction
+{
+	Q_OBJECT
+	Q_INTERFACES(CGoGN::SCHNApps::Plugin)
+
+	friend class Surface_Radiance_DockTab;
+
+public:
+	Surface_Radiance_Plugin()
+	{}
+
+	~Surface_Radiance_Plugin()
+	{}
+
+	virtual bool enable();
+	virtual void disable();
+
+	virtual void draw(View *view) {}
+	virtual void drawMap(View* view, MapHandlerGen* map);
+
+	virtual void keyPress(View* view, QKeyEvent* event) {}
+	virtual void keyRelease(View* view, QKeyEvent* event) {}
+	virtual void mousePress(View* view, QMouseEvent* event) {}
+	virtual void mouseRelease(View* view, QMouseEvent* event) {}
+	virtual void mouseMove(View* view, QMouseEvent* event) {}
+	virtual void wheelEvent(View* view, QWheelEvent* event) {}
+
+	virtual void viewLinked(View *view) {}
+	virtual void viewUnlinked(View *view) {}
+
+private slots:
+	// slots called from SCHNApps signals
+	void selectedViewChanged(View* prev, View* cur);
+	void selectedMapChanged(MapHandlerGen* prev, MapHandlerGen* cur);
+	void mapAdded(MapHandlerGen* map);
+	void mapRemoved(MapHandlerGen* map);
+
+	// slots called from MapHandler signals
+	void vboAdded(Utils::VBO* vbo);
+	void vboRemoved(Utils::VBO* vbo);
+	void attributeModified(unsigned int orbit, QString nameAttr);
+
+	void importFromFileDialog();
+
+public slots:
+	// slots for Python calls
+	void changePositionVBO(const QString& map, const QString& vbo);
+	void changeNormalVBO(const QString& map, const QString& vbo);
+	MapHandlerGen* importFromFile(const QString& fileName);
+
+protected:
+	Surface_Radiance_DockTab* m_dockTab;
+	QHash<MapHandlerGen*, MapParameters> h_mapParameterSet;
+
+	QAction* m_importAction;
+};
+
+
+class MeshTablesSurface_Radiance : public CGoGN::Algo::Surface::Import::MeshTablesSurface<PFP2>
+{
+public:
+	MeshTablesSurface_Radiance(MAP& m) : MeshTablesSurface<PFP2>(m)
+	{}
+
+	/**
+	 * @brief importPLY
+	 * @param filename: the ply file to be imported. This file is supposed to have a three position, three normal and at least three radiance scalars per vertex.
+	 * @return succeeded
+	 */
+	template <typename SH_TYPE>
+	bool importPLY(const std::string& filename)
+	{
+		// Open file
+		std::ifstream fp(filename, std::ios::in | std::ios::binary) ;
+		if (!fp.good())
+		{
+			CGoGNerr << "Unable to open file " << filename << CGoGNendl ;
+			return false ;
+		}
+
+		// Read quantities : #vertices, #faces, #properties, degree of polynomials
+		std::string tag ;
+
+		fp >> tag;
+		if (tag != std::string("ply")) // verify file type
+		{
+			CGoGNerr << filename << " is not a ply file !" <<  CGoGNout ;
+			return false ;
+		}
+
+		do // go to "format"
+		{
+			fp >> tag ;
+		} while (tag != std::string("format")) ;
+
+		fp >> tag ;
+		bool binary = (tag != "ascii") ;
+
+		do // go to #vertices
+		{
+			fp >> tag ;
+		} while (tag != std::string("vertex")) ;
+		unsigned int nbVertices ;
+		fp >> nbVertices ; // Read #vertices
+
+		bool position = false ;
+		bool normal = false ;
+		bool radiance = false ;
+
+		unsigned int propSize = 0 ; // for binary read
+		unsigned int nbProps = 0 ;		// # properties
+		unsigned int nbCoefs = 0 ; 	// # coefficients
+		do // go to #faces and count #properties
+		{
+			fp >> tag ;
+			if (tag == std::string("property"))
+			{
+				++nbProps ;
+			}
+			else if (tag == std::string("int8") || tag == std::string("uint8"))
+			{
+				if (propSize < 2)
+				{
+					propSize = 1 ;
+					std::cerr << "only float32 of float64 is yet handled" << std::endl ;
+					assert(!"only float32 or float64 is yet handled") ;
+				}
+				else
+				{
+					std::cerr << "only float32 of float64 is yet handled" << std::endl ;
+					assert(!"only float32 or float64 is yet handled") ;
+				}
+			}
+			else if (tag == std::string("int16") || tag == std::string("uint16"))
+			{
+				if (propSize == 0 || propSize == 2)
+				{
+					propSize = 2 ;
+					std::cerr << "only float32 of float64 is yet handled" << std::endl ;
+					assert(!"only float32 or float64 is yet handled") ;
+				}
+				else
+				{
+					std::cerr << "only float32 of float64 is yet handled" << std::endl ;
+					assert(!"only float32 or float64 is yet handled") ;
+				}
+			}
+			else if (tag == std::string("int32") || tag == std::string("float32") || tag == std::string("uint32"))
+			{
+				if (propSize == 0 || propSize == 4)
+				{
+					propSize = 4 ;
+				}
+				else
+				{
+					std::cerr << "only float32 of float64 is yet handled" << std::endl ;
+					assert(!"only float32 or float64 is yet handled") ;
+				}
+			}
+			else if (tag == std::string("int64") || tag == std::string("float64"))
+			{
+				if (propSize == 0 || propSize == 8)
+				{
+					propSize = 8 ;
+				}
+				else
+				{
+					std::cerr << "only float32 of float64 is yet handled" << std::endl ;
+					assert(!"only float32 or float64 is yet handled") ;
+				}
+			}
+			else if (tag == std::string("x") || tag == std::string("y") || tag == std::string("z"))
+				position = true ;
+			else if (tag == std::string("nx") || tag == std::string("ny") || tag == std::string("nz"))
+				normal = true ;
+			else if (tag.substr(0,6) == std::string("SHcoef"))
+			{
+				radiance = true ;
+				++nbCoefs ;
+			}
+		} while (tag != std::string("face")) ;
+
+		assert((nbCoefs % 3) == 0 || !"Import only supports RGB SphericalHarmonics (i.e. Tcoef==VEC3)") ;
+		nbCoefs /= 3 ;
+		SH_TYPE::set_nb_coefs(nbCoefs) ;
+
+		fp >> this->m_nbFaces ; // Read #vertices
+
+		do // go to end of header
+		{
+			fp >> tag ;
+		} while (tag != std::string("end_header")) ;
+
+		if (binary)
+		{
+			char* endline = new char[1] ;
+			fp.read(endline, sizeof(char)) ;
+			if (*endline == '\r') // for windows
+				fp.read(endline, sizeof(char)) ;
+			assert(*endline == '\n') ;
+			delete[] endline ;
+		}
+
+		// Define containers
+		assert((position && normal && radiance) || !"Import: position, normal and radiance attributs should be provided") ;
+		if (!(position && normal && radiance))
+			return false ;
+
+		VertexAttribute<VEC3, MAP> positions =  this->m_map.template checkAttribute<VEC3, VERTEX, MAP>("position") ;
+		VertexAttribute<VEC3, MAP> normals =  this->m_map.template checkAttribute<VEC3, VERTEX, MAP>("normal") ;
+		VertexAttribute<SH_TYPE, MAP> radiances = this->m_map.template checkAttribute<SH_TYPE, VERTEX, MAP>("radiance") ;
+
+		// Read vertices
+		std::vector<unsigned int> verticesID ;
+		if (propSize == 4)
+		{
+			this->m_nbVertices = readVerticesPLY<float, SH_TYPE>(fp, binary, nbVertices, nbProps, propSize, positions, normals, radiances, verticesID) ;
+		}
+		else if (propSize == 8)
+		{
+			this->m_nbVertices = readVerticesPLY<double, SH_TYPE>(fp, binary, nbVertices, nbProps, propSize, positions, normals, radiances, verticesID) ;
+		}
+
+		// Read faces index
+		this->m_nbEdges.reserve(this->m_nbFaces) ;
+		this->m_emb.reserve(3 * this->m_nbFaces) ;
+		for (unsigned int i = 0 ; i < this->m_nbFaces ; ++i)
+		{
+			// read the indices of vertices for current face
+			unsigned int nbEdgesForFace ;
+			if (binary)
+			{
+				unsigned char tmp ;
+				fp.read((char*)&(tmp), sizeof(unsigned char)) ;
+				nbEdgesForFace = tmp ;
+			}
+			else
+				fp >> nbEdgesForFace ;
+			this->m_nbEdges.push_back(nbEdgesForFace);
+
+			unsigned int vertexID ;
+			if (binary)
+			{
+				for (unsigned int j=0 ; j < nbEdgesForFace ; ++j)
+				{
+					fp.read((char*)&vertexID, sizeof(unsigned int)) ;
+					this->m_emb.push_back(verticesID[vertexID]);
+				}
+			}
+			else
+			{
+				for (unsigned int j=0 ; j < nbEdgesForFace ; ++j)
+				{
+					fp >> vertexID ;
+					this->m_emb.push_back(verticesID[vertexID]);
+				}
+			}
+		}
+
+		// Close file
+		fp.close() ;
+
+		return true ;
+	}
+
+private:
+	/**
+	 * \brief reads the list of vertices in a radiance PLY file. The function is template of the type of arithmetic (float, double) used in the file to be read
+	 * \param fp IN: the file pointer descriptor
+	 * \param binary IN: binary mode for reading fp
+	 * \param nbVertices IN: the number of vertices to read
+	 * \param nbProps IN: the number of properties according to the header
+	 * \param positions IN/OUT: the positions container
+	 * \param normals IN/OUT: the normals container
+	 * \param radiances IN/OUT: the radiances container
+	 * \param verticesID IN/OUT: the vector of vertex IDs
+	 * \return number of vertices readVerticesPLY
+	 */
+	template <typename REAL, typename SH_TYPE>
+	unsigned int readVerticesPLY(
+		std::ifstream& fp,	bool binary,
+		const unsigned int& nbVertices, const unsigned int& nbProps, const unsigned int& propSize,
+		VertexAttribute<PFP2::VEC3, PFP2::MAP>& positions,
+		VertexAttribute<PFP2::VEC3, PFP2::MAP>& normals,
+		VertexAttribute<SH_TYPE, PFP2::MAP>& radiances,
+		std::vector<unsigned int>& verticesID
+	)
+	{
+		verticesID.reserve(nbVertices) ;
+
+		REAL* properties = new REAL[nbProps] ;
+		AttributeContainer& container = this->m_map.template getAttributeContainer<VERTEX>() ;
+		for (unsigned int i = 0 ; i < nbVertices ; ++i) // Read and store properties for current vertex
+		{
+			unsigned int id = container.insertLine() ;
+			verticesID.push_back(id) ;
+
+			if (binary)
+			{
+				fp.read((char*)properties,nbProps * propSize) ;
+			}
+			else
+			{
+				for (unsigned int j = 0 ; j < nbProps ; ++j) // get all properties
+					fp >> properties[j] ;
+			}
+
+			positions[id] = VEC3(properties[0],properties[1],properties[2]) ; // position
+			normals[id] = VEC3(properties[3],properties[4],properties[5]) ; // normal
+			int coefno = 6 ;
+			for (int l = 0 ; l <= SH_TYPE::get_resolution() ; ++l) // radiance
+				for (int m = -l ; m <= l ; ++m)
+				{
+					radiances[id].get_coef(l,m) = VEC3(properties[coefno],properties[coefno+1],properties[coefno+2]) ;
+					coefno += 3 ;
+				}
+		}
+		this->m_nbVertices = verticesID.size() ;
+		delete[] properties ;
+
+		return verticesID.size() ;
+	}
+};
+
+} // namespace SCHNApps
+
+} // namespace CGoGN
+
+#endif

SCHNApps/Plugins/surface_radiance/include/surface_radiance_dockTab.h

+#ifndef _SURFACE_RADIANCE_DOCK_TAB_H_
+#define _SURFACE_RADIANCE_DOCK_TAB_H_
+
+#include "ui_surface_radiance.h"
+#include "Utils/vbo.h"
+
+namespace CGoGN
+{
+
+namespace SCHNApps
+{
+
+class SCHNApps;
+class Surface_Radiance_Plugin;
+struct MapParameters;
+
+class Surface_Radiance_DockTab : public QWidget, public Ui::Surface_Radiance_TabWidget
+{
+	Q_OBJECT
+
+	friend class Surface_Radiance_Plugin;
+
+public:
+	Surface_Radiance_DockTab(SCHNApps* s, Surface_Radiance_Plugin* p);
+
+private:
+	SCHNApps* m_schnapps;
+	Surface_Radiance_Plugin* m_plugin;
+	MapParameters* m_currentParams;
+	bool b_updatingUI;
+
+private slots:
+	void positionVBOChanged(int index);
+	void normalVBOChanged(int index);
+
+private:
+	void addPositionVBO(QString name);
+	void removePositionVBO(QString name);
+	void addNormalVBO(QString name);
+	void removeNormalVBO(QString name);
+
+	void updateMapParameters();
+};
+
+} // namespace SCHNApps
+
+} // namespace CGoGN
+
+#endif

SCHNApps/Plugins/surface_radiance/src/surface_radiance.cpp

+#include "surface_radiance.h"
+
+#include "mapHandler.h"
+#include "camera.h"
+
+#include <QFileDialog>
+#include <QFileInfo>
+
+namespace CGoGN
+{
+
+namespace SCHNApps
+{
+
+bool Surface_Radiance_Plugin::enable()
+{
+	//	magic line that init static variables of GenericMap in the plugins
+	GenericMap::copyAllStatics(m_schnapps->getStaticPointers());
+
+	m_dockTab = new Surface_Radiance_DockTab(m_schnapps, this);
+	m_schnapps->addPluginDockTab(this, m_dockTab, "Surface_Radiance");
+
+	connect(m_schnapps, SIGNAL(selectedViewChanged(View*, View*)), this, SLOT(selectedViewChanged(View*, View*)));
+	connect(m_schnapps, SIGNAL(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)), this, SLOT(selectedMapChanged(MapHandlerGen*, MapHandlerGen*)));
+	connect(m_schnapps, SIGNAL(mapAdded(MapHandlerGen*)), this, SLOT(mapAdded(MapHandlerGen*)));
+	connect(m_schnapps, SIGNAL(mapRemoved(MapHandlerGen*)), this, SLOT(mapRemoved(MapHandlerGen*)));
+
+	foreach(MapHandlerGen* map, m_schnapps->getMapSet().values())
+		mapAdded(map);
+
+	m_dockTab->updateMapParameters();
+
+	m_importAction = new QAction("import", this);
+	m_schnapps->addMenuAction(this, "Radiance;Import", m_importAction);
+	connect(m_importAction, SIGNAL(triggered()), this, SLOT(importFromFileDialog()));
+
+	return true;
+}
+
+void Surface_Radiance_Plugin::disable()