glc_3dxmltoworld.cpp

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 Version 2.0.0 Beta 1, packaged on April 2010.

 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 GLC-lib is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

*****************************************************************************/


#include "glc_3dxmltoworld.h"
#include "../sceneGraph/glc_world.h"
#include "../glc_fileformatexception.h"
#include "../geometry/glc_mesh.h"

// Quazip library
#include "../quazip/quazip.h"
#include "../quazip/quazipfile.h"

#include <QString>
#include <QGLContext>
#include <QFileInfo>
#include <QSet>
GLC_3dxmlToWorld::GLC_3dxmlToWorld(const QGLContext* pContext)
: QObject()
, m_pQGLContext(pContext)
, m_pStreamReader(NULL)
, m_FileName()
, m_p3dxmlArchive(NULL)
, m_p3dxmlFile(NULL)
, m_pCurrentFile(NULL)
, m_RootName()
, m_pWorld(NULL)
, m_ReferenceHash()
, m_AssyLinkList()
, m_InstanceOf()
, m_SetOfExtRef()
, m_InstanceOfExtRefHash()
, m_ExternalReferenceHash()
, m_MaterialHash()
, m_IsInArchive(false)
, m_ReferenceRepHash()
, m_LocalRepLinkList()
, m_ExternRepLinkList()
, m_SetOfExtRep()
, m_pCurrentMaterial(NULL)
, m_TextureImagesHash()
, m_LoadStructureOnly(false)
, m_ListOfAttachedFileName()
, m_CurrentFileName()
, m_CurrentDateTime()
, m_OccurenceAttrib()
{

}

GLC_3dxmlToWorld::~GLC_3dxmlToWorld()
{
        delete m_pStreamReader;
        m_pStreamReader= NULL;

        // Clear current file
        if (NULL != m_pCurrentFile)
        {
                m_pCurrentFile->close();
                delete m_pCurrentFile;
                m_pCurrentFile= NULL;
        }

        // Clear the 3dxml file
        if (NULL != m_p3dxmlFile)
        {
                m_p3dxmlFile->close();
                delete m_p3dxmlFile;
                m_p3dxmlFile= NULL;
        }

        // Clear the 3dxml archive
        if (NULL != m_p3dxmlArchive)
        {
                m_p3dxmlArchive->close();
                delete m_p3dxmlArchive;
                m_p3dxmlArchive= NULL;
        }
        clearMaterialHash();

        // Clear specific attributes hash table
        QHash<unsigned int, OccurenceAttrib*>::iterator iAttrib= m_OccurenceAttrib.begin();
        while (m_OccurenceAttrib.constEnd() != iAttrib)
        {
                delete iAttrib.value();
                ++iAttrib;
        }
        m_OccurenceAttrib.clear();
}

// Set Functions

// Create an GLC_World from an input 3DXML File
GLC_World* GLC_3dxmlToWorld::createWorldFrom3dxml(QFile &file, bool structureOnly)
{
        m_LoadStructureOnly= structureOnly;
        m_FileName= file.fileName();

        // Create the 3dxml Zip archive
        m_p3dxmlArchive= new QuaZip(m_FileName);
        // Trying to load archive
        if(!m_p3dxmlArchive->open(QuaZip::mdUnzip))
        {
          // In this case, the 3dxml is not compressed or is not valid
          m_RootName= m_FileName;
          delete m_p3dxmlArchive;
          m_p3dxmlArchive= NULL;
        }
        else
        {
                // Get the 3DXML time stamp
                m_CurrentDateTime= QFileInfo(m_FileName).lastModified();

                m_IsInArchive= true;
                // Set the file Name Codec
                m_p3dxmlArchive->setFileNameCodec("IBM866");

                // Load the manifest
                loadManifest();
        }

        if (!m_LoadStructureOnly)
        {
                // Trying to Load CATRepImage file
                loadCatRepImage();

                // Trying to Load CATRefMaterial File
                loadCatMaterialRef();
        }

        // Load the product structure
        loadProductStructure();


        emit currentQuantum(100);
        return m_pWorld;
}

// Create 3DRep from an 3DXML rep
GLC_3DRep GLC_3dxmlToWorld::create3DrepFrom3dxmlRep(const QString& fileName)
{
        //qDebug() << "GLC_3dxmlToWorld::create3DrepFrom3dxmlRep " << fileName;
        GLC_3DRep resultRep;
        QString entryFileName;
        if (glc::isArchiveString(fileName))
        {
                m_FileName= glc::archiveFileName(fileName);

                // Create the 3dxml Zip archive
                m_p3dxmlArchive= new QuaZip(m_FileName);
                // Trying to load archive
                if(!m_p3dxmlArchive->open(QuaZip::mdUnzip))
                {
                  delete m_p3dxmlArchive;
                  return GLC_3DRep();
                }
                else
                {
                        m_IsInArchive= true;
                        // Set the file Name Codec
                        m_p3dxmlArchive->setFileNameCodec("IBM866");
                }
                entryFileName= glc::archiveEntryFileName(fileName);

                // Get the 3DXML time stamp
                m_CurrentDateTime= QFileInfo(QFileInfo(m_FileName).absolutePath() + QDir::separator() + QFileInfo(fileName).fileName()).lastModified();
        }
        else if (fileName.left(6) == QString("File::"))
        {
                m_FileName= fileName;
                m_FileName.remove("File::");
                m_FileName= m_FileName.left(m_FileName.indexOf("::"));
                entryFileName= fileName;
                entryFileName.remove(QString("File::") + m_FileName + "::");

                // Get the rep time stamp
                m_CurrentDateTime= QFileInfo(entryFileName).lastModified();
        }
        else
        {
                return resultRep;
        }


        // Keep only the file name
        entryFileName= QFileInfo(entryFileName).fileName();

        if (QFileInfo(entryFileName).suffix().toLower() == "3dxml")
        {
                if (GLC_State::cacheIsUsed() && GLC_State::currentCacheManager().isUsable(m_CurrentDateTime, QFileInfo(m_FileName).fileName(), entryFileName))
                {
                        GLC_CacheManager cacheManager = GLC_State::currentCacheManager();

                        GLC_BSRep binaryRep = cacheManager.binary3DRep(QFileInfo(m_FileName).fileName(), entryFileName);
                        resultRep = binaryRep.loadRep();
                }
                else
                {
                        if (setStreamReaderToFile(entryFileName, true))
                        {
                                GLC_StructReference* pStructRef = createReferenceRep(QString());
                                GLC_3DRep* pRep = NULL;
                                if ((NULL != pStructRef) && pStructRef->hasRepresentation())
                                {
                                        pRep= dynamic_cast<GLC_3DRep*> (pStructRef->representationHandle());
                                }
                                if (NULL != pRep)
                                {
                                        resultRep = GLC_3DRep(*pRep);
                                        resultRep.setName(pStructRef->name());
                                }
                                delete pStructRef;
                        }
                }
        }
        else if (QFileInfo(entryFileName).suffix().toLower() == "3drep")
        {
        if (GLC_State::cacheIsUsed() && GLC_State::currentCacheManager().isUsable(m_CurrentDateTime, QFileInfo(m_FileName).fileName(), entryFileName))
                {
                        GLC_CacheManager cacheManager = GLC_State::currentCacheManager();
                        GLC_BSRep binaryRep = cacheManager.binary3DRep(QFileInfo(m_FileName).fileName(), entryFileName);
                        resultRep = binaryRep.loadRep();
                }
                else
                {
                        if (setStreamReaderToFile(entryFileName, true))
                        {
                                resultRep = loadCurrentExtRep();
                        }
                }
        }
        resultRep.clean();

        return resultRep;
}

// Private services functions
// Load the 3dxml's manifest
void GLC_3dxmlToWorld::loadManifest()
{
        setStreamReaderToFile("Manifest.xml");
        m_RootName= getContent("Root");

        if (m_pStreamReader->atEnd() || m_pStreamReader->hasError())
        {
                QString message(QString("GLC_3dxmlToWorld::loadManifest Manifest file ") + m_FileName + " doesn't contains Root Element");
                qDebug() << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }

        delete m_pStreamReader;
        m_pStreamReader= NULL;

        m_p3dxmlFile->close();
}

void GLC_3dxmlToWorld::clear()
{
        delete m_pWorld;
        m_pWorld= NULL;

        delete m_pStreamReader;
        m_pStreamReader= NULL;

        // Clear current file
        if (NULL != m_pCurrentFile)
        {
                m_pCurrentFile->close();
                delete m_pCurrentFile;
                m_pCurrentFile= NULL;
        }

        // Clear the 3dxml file
        if (NULL != m_p3dxmlFile)
        {
                m_p3dxmlFile->close();
                delete m_p3dxmlFile;
                m_p3dxmlFile= NULL;
        }

        // Clear the 3dxml archive
        if (NULL != m_p3dxmlArchive)
        {
                m_p3dxmlArchive->close();
                delete m_p3dxmlArchive;
                m_p3dxmlArchive= NULL;
        }

        clearMaterialHash();
}

// Go to Element
void GLC_3dxmlToWorld::goToElement(const QString& elementName)
{
        while(startElementNotReached(elementName))
        {
                m_pStreamReader->readNext();
        }
}

// Go to a Rep of a xml
void GLC_3dxmlToWorld::goToRepId(const QString& id)
{
        while(!m_pStreamReader->atEnd() && !((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "Representation")
                        && (m_pStreamReader->attributes().value("id").toString() == id)))
        {
                m_pStreamReader->readNext();
        }

}

// Go to Polygonal Rep Type
void GLC_3dxmlToWorld::gotToPolygonalRepType()
{
        while(endElementNotReached("Representation") && !m_pStreamReader->atEnd() && !((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "Rep")
                        && (m_pStreamReader->attributes().value("xsi:type").toString() == "PolygonalRepType")))
        {
                //qDebug() << m_pStreamReader->name();
                //qDebug() << m_pStreamReader->attributes().value("xsi:type").toString();
                m_pStreamReader->readNext();
        }

}

// Return the content of an element
QString GLC_3dxmlToWorld::getContent(const QString& element)
{
        QString Content;
        while(endElementNotReached(element))
        {
                m_pStreamReader->readNext();
                if (m_pStreamReader->isCharacters() && !m_pStreamReader->text().isEmpty())
                {
                        Content+= m_pStreamReader->text().toString();
                }
        }

        return Content.trimmed();
}

// Read the specified attribute
QString GLC_3dxmlToWorld::readAttribute(const QString& name, bool required)
{
        QString attributeValue;
        if (required && !m_pStreamReader->attributes().hasAttribute(name))
        {
                QString message(QString("required attribute ") + name + QString(" Not found"));
                qDebug() << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }
        else
        {
                attributeValue= m_pStreamReader->attributes().value(name).toString();
        }
        return attributeValue;
}

// Load the product structure
void GLC_3dxmlToWorld::loadProductStructure()
{
        setStreamReaderToFile(m_RootName);
        goToElement("ProductStructure");
        if (m_pStreamReader->atEnd() || m_pStreamReader->hasError())
        {
                QString message(QString("GLC_3dxmlToWorld::loadProductStructure Element ProctStructure Not found in ") + m_FileName);
                qDebug() << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }

        // Load the structure
        while(endElementNotReached("ProductStructure"))
        {
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType())
                                && ((m_pStreamReader->name() == "Reference3D") || (m_pStreamReader->name() == "Instance3D")
                                                || (m_pStreamReader->name() == "ReferenceRep") || (m_pStreamReader->name() == "InstanceRep")))
                {
                        if (m_pStreamReader->name() == "Reference3D") loadReference3D();
                        else if (m_pStreamReader->name() == "Instance3D") loadInstance3D();
                        else if (m_pStreamReader->name() == "ReferenceRep") loadReferenceRep();
                        else loadInstanceRep();
                }

                m_pStreamReader->readNext();
        }

        // Load Default view properties
        while(endElementNotReached("Model_3dxml"))
        {
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType())
                                && ((m_pStreamReader->name() == "DefaultView") || (m_pStreamReader->name() == "GeometricRepresentationSet")))
                {
                        if (m_pStreamReader->name() == "DefaultView") loadGraphicsProperties();
                        else if (m_pStreamReader->name() == "GeometricRepresentationSet") loadLocalRepresentations();

                }
                m_pStreamReader->readNext();
        }

        // Check if an error Occur
        if (m_pStreamReader->hasError())
        {
                QString message(QString("GLC_3dxmlToWorld::loadProductStructure An error occur in ") + m_FileName);
                qDebug() << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }

        // Load external ref (3DXML V3)
        loadExternalRef3D();

        // Load extern representations (3DXML V4)
        loadExternRepresentations();

        { // Link locals instance with reference
                InstanceOfHash::iterator iInstance= m_InstanceOf.begin();
                while (iInstance != m_InstanceOf.constEnd())
                {
                        GLC_StructInstance* pInstance= iInstance.key();
                        GLC_StructReference* pRef= m_ReferenceHash.value(iInstance.value());
                        if (NULL == pRef)
                        {
                                qDebug() << "Instance name " << pInstance->name();
                                QString message(QString("GLC_3dxmlToWorld::loadProductStructure a instance reference a non existing reference"));
                                qDebug() << message;
                                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                                clear();
                                throw(fileFormatException);
                        }
                        pInstance->setReference(pRef);

                        ++iInstance;
                }
                m_InstanceOf.clear();

        }
        //qDebug() << "Local instance linked with reference";

        { // Link external instance with reference

                InstanceOfExtRefHash::iterator iInstance= m_InstanceOfExtRefHash.begin();
                while (iInstance != m_InstanceOfExtRefHash.constEnd())
                {
                        GLC_StructInstance* pInstance= iInstance.key();
                        GLC_StructReference* pRef;
                        if (m_ExternalReferenceHash.contains(iInstance.value()))
                        {
                                pRef= m_ExternalReferenceHash.value(iInstance.value());
                        }
                        else
                        {
                                QString referenceName= pInstance->name();
                                referenceName= referenceName.left(pInstance->name().lastIndexOf('.'));
                                qDebug() << " Reference not found : " << referenceName;
                                pRef= new GLC_StructReference(referenceName);
                        }

                        pInstance->setReference(pRef);

                        ++iInstance;
                }

                // Check usage of reference in the external reference hash
                ExternalReferenceHash::const_iterator iRef= m_ExternalReferenceHash.constBegin();
                while (m_ExternalReferenceHash.constEnd() != iRef)
                {
                        GLC_StructReference* pRef= iRef.value();
                        if (! pRef->hasStructInstance())
                        {
                                qDebug() << "Orphan reference : " << pRef->name();
                                delete pRef;
                        }
                        ++iRef;
                }
                m_ExternalReferenceHash.clear();

        }
        //qDebug() << "external instance linked with reference";

        // Create the unfolded tree
        createUnfoldedTree();

        // Update occurence number
        m_pWorld->rootOccurence()->updateOccurenceNumber(1);

        // Change occurence attributes
        if (! m_OccurenceAttrib.isEmpty())
        {
                qDebug() << "Not visible occurence= " << m_OccurenceAttrib.size();
                QList<GLC_StructOccurence*> occurenceList= m_pWorld->listOfOccurence();
                const int size= occurenceList.size();
                for (int i= 0; i < size; ++i)
                {
                        if (m_OccurenceAttrib.contains(occurenceList.at(i)->occurenceNumber()))
                        {
                                OccurenceAttrib* pOccurenceAttrib= m_OccurenceAttrib.value(occurenceList.at(i)->occurenceNumber());
                                occurenceList.at(i)->setVisibility(pOccurenceAttrib->m_IsVisible);
                                if (NULL != pOccurenceAttrib->m_pRenderProperties)
                                {
                                        occurenceList.at(i)->setRenderProperties(*(pOccurenceAttrib->m_pRenderProperties));
                                }
                        }
                }
        }
        // Check usage of Instance
        InstanceOfExtRefHash::const_iterator iInstance= m_InstanceOfExtRefHash.constBegin();
        while (m_InstanceOfExtRefHash.constEnd() != iInstance)
        {
                GLC_StructInstance* pInstance= iInstance.key();
                if (!pInstance->hasStructOccurence())
                {
                        qDebug() << "Orphan Instance : " << pInstance->name();
                        delete pInstance;
                }
                else
                {
                        QList<GLC_StructOccurence*> occurences= pInstance->listOfStructOccurences();
                        const int size= occurences.size();
                        for (int i= 0; i < size; ++i)
                        {
                                const GLC_StructOccurence* pOccurence= occurences.at(i);
                                if (pOccurence->isOrphan())
                                {
                                        qDebug() << "Orphan occurence :" << pOccurence->name();
                                        delete pOccurence;
                                }
                        }
                }
                ++iInstance;
        }

        m_InstanceOfExtRefHash.clear();


        //qDebug() << "Unfolded tree created";

}

// Load a Reference3D
void GLC_3dxmlToWorld::loadReference3D()
{
        const unsigned int id= readAttribute("id", true).toUInt();
        const QString refName(readAttribute("name", true));
        GLC_StructReference* pStructReference;

        if (id == 1) // This is the root reference.
        {
                m_pWorld= new GLC_World();
                m_pWorld->setRootName(refName);
                pStructReference= m_pWorld->rootOccurence()->structInstance()->structReference();
                pStructReference->setName(refName);
        }
        else
        {
                pStructReference= new GLC_StructReference(refName);
        }
        // Try to find extension
        GLC_Attributes userAttributes;
        while (endElementNotReached("Reference3D"))
        {
                if (m_pStreamReader->isStartElement() && (m_pStreamReader->name() == "Reference3DExtensionType"))
                {
                        while (endElementNotReached("Reference3DExtensionType"))
                        {
                                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "Attribute"))
                                {
                                        QString name= readAttribute("name", true);
                                        QString value= readAttribute("value", true);
                                        userAttributes.insert(name, value);
                                }
                                m_pStreamReader->readNext();
                        }
                }
                m_pStreamReader->readNext();
        }
        if (!userAttributes.isEmpty())
        {
                pStructReference->setAttributes(userAttributes);
        }

        m_ReferenceHash.insert(id, pStructReference);
}

// Load a Instance3D
void GLC_3dxmlToWorld::loadInstance3D()
{
        const QString local= "urn:3DXML:Reference:loc:";
        const QString externRef= "urn:3DXML:Reference:ext:";

        const unsigned int instanceId= readAttribute("id", true).toUInt();
        const QString instName(readAttribute("name", false));
        const unsigned int aggregatedById= getContent("IsAggregatedBy").toUInt();
        QString instanceOf= getContent("IsInstanceOf");
        const QString matrixString= getContent("RelativeMatrix");
        GLC_Matrix4x4 instanceMatrix= loadMatrix(matrixString);


        GLC_StructInstance* pStructInstance= new GLC_StructInstance(instName);
        pStructInstance->move(instanceMatrix);

        // Try to find extension
        GLC_Attributes userAttributes;
        while (endElementNotReached("Instance3D"))
        {
                if (m_pStreamReader->isStartElement() && (m_pStreamReader->name() == "Instance3DExtensionType"))
                {
                        while (endElementNotReached("Instance3DExtensionType"))
                        {
                                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "Attribute"))
                                {
                                        QString name= readAttribute("name", true);
                                        QString value= readAttribute("value", true);
                                        userAttributes.insert(name, value);
                                }
                                m_pStreamReader->readNext();
                        }
                }
                m_pStreamReader->readNext();
        }
        if (!userAttributes.isEmpty())
        {
                pStructInstance->setAttributes(userAttributes);
        }

        if (instanceOf.contains(externRef))
        {
                const QString extRefId= instanceOf.remove(externRef).remove("#1");
                m_SetOfExtRef << extRefId;
                m_InstanceOfExtRefHash.insert(pStructInstance, extRefId);
        }
        else if (instanceOf.contains(local))
        {
                const unsigned int refId= instanceOf.remove(local).toUInt();
                m_InstanceOf.insert(pStructInstance, refId);
        }
        else
        {
                // 3dvia 3dxml
                const unsigned int refId= instanceOf.toUInt();
                m_InstanceOf.insert(pStructInstance, refId);
        }

        AssyLink assyLink;
        assyLink.m_ParentRefId= aggregatedById;
        assyLink.m_pChildInstance= pStructInstance;
        assyLink.m_InstanceId= instanceId;
        m_AssyLinkList.append(assyLink);
}

// Load a Reference representation
void GLC_3dxmlToWorld::loadReferenceRep()
{
        const QString local= "urn:3DXML:Representation:loc:";
        const QString externName= "urn:3DXML:";

        const unsigned int id= readAttribute("id", true).toUInt();
        const QString refName(readAttribute("name", true));
        QString associatedFile(readAttribute("associatedFile", true));

        if (associatedFile.contains(local))
        {
                const QString repId= associatedFile.remove(local);
                m_ReferenceRepHash.insert(id, repId);
        }
        else if (associatedFile.contains(externName))
        {
                const QString repId= associatedFile.remove(externName);
                m_ReferenceRepHash.insert(id, repId);
        }
}

// Load a Instance representation
void GLC_3dxmlToWorld::loadInstanceRep()
{
        const QString local= "urn:3DXML:Reference:loc:";

        const QString instName(readAttribute("name", true));
        const unsigned int aggregatedById= getContent("IsAggregatedBy").toUInt();
        QString instanceOf= getContent("IsInstanceOf");

        if (instanceOf.contains(local))
        {
                // The 3dxml is a 3dxml rep from CATIA V5
                const unsigned int refId= instanceOf.remove(local).toUInt();

                RepLink repLink;
                repLink.m_ReferenceId= aggregatedById;
                repLink.m_RepId= refId;

                m_LocalRepLinkList.append(repLink);
        }
        else
        {
                // The 3dxml is a 3dvia 3dxml
                const unsigned int refId= instanceOf.toUInt();
                RepLink repLink;
                repLink.m_ReferenceId= aggregatedById;
                repLink.m_RepId= refId;

                m_ExternRepLinkList.append(repLink);
        }
}

// Load External Ref
void GLC_3dxmlToWorld::loadExternalRef3D()
{
        if (m_SetOfExtRef.isEmpty()) return;

        const int size= m_SetOfExtRef.size();
        int previousQuantumValue= 0;
        int currentQuantumValue= 0;
        int currentFileIndex= 0;
        emit currentQuantum(currentQuantumValue);

        SetOfExtRef::iterator iExtRef= m_SetOfExtRef.begin();
        while (iExtRef != m_SetOfExtRef.constEnd())
        {

                const QString currentRefFileName= (*iExtRef);
                //qDebug() << "Current File name : " << currentRefFileName;
                // Get the refFile of the 3dxml

                if (! m_IsInArchive)
                {
                        // Get the representation time stamp
                        m_CurrentDateTime= QFileInfo(QFileInfo(m_FileName).absolutePath() + QDir::separator() + QFileInfo(currentRefFileName).fileName()).lastModified();
                }

                if (!m_LoadStructureOnly && GLC_State::cacheIsUsed() && GLC_State::currentCacheManager().isUsable(m_CurrentDateTime, QFileInfo(m_FileName).fileName(), currentRefFileName))
                {
                        GLC_CacheManager cacheManager= GLC_State::currentCacheManager();

                        GLC_BSRep binaryRep= cacheManager.binary3DRep(QFileInfo(m_FileName).fileName(), currentRefFileName);
                        GLC_3DRep* pRep= new GLC_3DRep(binaryRep.loadRep());

                        factorizeMaterial(pRep);

                        GLC_StructReference* pCurrentRef= new GLC_StructReference(pRep);
                        pCurrentRef->setName(QFileInfo(currentRefFileName).baseName());
                        m_ExternalReferenceHash.insert(currentRefFileName, pCurrentRef);

                }
                else if (!m_LoadStructureOnly && setStreamReaderToFile(currentRefFileName))
                {
                        GLC_StructReference* pCurrentRef= createReferenceRep();
                        if (NULL != pCurrentRef)
                        {
                                m_ExternalReferenceHash.insert(currentRefFileName, pCurrentRef);
                        }
                        else
                        {
                                qDebug() << "GLC_3dxmlToWorld::loadExternalRef3D No File Found";
                        }
                }
                else if(m_LoadStructureOnly)
                {
                        GLC_3DRep* pRep= new GLC_3DRep();
                        if (m_IsInArchive)
                        {
                                pRep->setFileName(glc::builtArchiveString(m_FileName, currentRefFileName));
                        }
                        else
                        {
                                const QString repFileName= QFileInfo(m_FileName).absolutePath() + QDir::separator() + currentRefFileName;
                                pRep->setFileName("File::" + m_FileName + "::" + repFileName);
                                m_ListOfAttachedFileName << repFileName;
                        }
                        GLC_StructReference* pCurrentRef= new GLC_StructReference(pRep);
                        pCurrentRef->setName(QFileInfo(currentRefFileName).baseName());
                        m_ExternalReferenceHash.insert(currentRefFileName, pCurrentRef);
                }
                else
                {
                        qDebug() << "GLC_3dxmlToWorld::loadExternalRef3D No File Found";
                }

                ++currentFileIndex;
                // Progrees bar indicator
                currentQuantumValue = static_cast<int>((static_cast<double>(currentFileIndex) / size) * 100);
                if (currentQuantumValue > previousQuantumValue)
                {
                        emit currentQuantum(currentQuantumValue);
                }
                previousQuantumValue= currentQuantumValue;

                ++iExtRef;
        }
        m_SetOfExtRef.clear();

}

// Create Instance from 3DXML Rep
GLC_StructReference* GLC_3dxmlToWorld::createReferenceRep(QString repId)
{
        //qDebug() << "GLC_3dxmlToWorld::createReferenceRep :" << repId;

        QString refName;

        if (repId.isEmpty())
        {
                goToElement("ProductStructure");
                checkForXmlError("Element ProductStructure not found");

                goToElement("Reference3D");
                checkForXmlError("Element Reference3D not found");
                refName= readAttribute("name", true);

                goToElement("ReferenceRep");
                if (m_pStreamReader->atEnd())
                {
                        qDebug() << "Element ReferenceRep not found in  file " << m_CurrentFileName;
                        return NULL;
                }
                checkForXmlError("Element ReferenceRep contains error");

                const QString format(readAttribute("format", true));
                if (format != "TESSELLATED")
                {
                        QString message(QString("GLC_3dxmlToWorld::addExtenalRef 3D rep format ") + format + " Not Supported");
                        qDebug() << message;
                        GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::FileNotSupported);
                        clear();
                        throw(fileFormatException);
                }

                repId= readAttribute("associatedFile");

                const QString local= "urn:3DXML:Representation:loc:";
                const QString ext= "urn:3DXML:Representation:ext:";
                if (repId.contains(ext))
                {
                        repId.remove(ext);
                        repId.resize(repId.size() - 2);
                        if (setStreamReaderToFile(repId))
                        {
                                return createReferenceRep();
                        }
                        else
                        {
                                return NULL;
                        }
                }
                else
                {
                        repId.remove(local);
                }

                checkForXmlError("attribute associatedFile not found");
                goToRepId(repId);
                checkForXmlError("repId not found");
        }

        GLC_Mesh* pMesh= new GLC_Mesh();
        pMesh->setName(refName);
        GLC_3DRep currentMesh3DRep(pMesh);
        // Add time Stamp and file name to the 3D rep
        if (repId.contains("3DXML_Local_"))
        {
                currentMesh3DRep.setFileName(repId);
        }
        else
        {
                currentMesh3DRep.setFileName(m_CurrentFileName);
        }

        currentMesh3DRep.setLastModified(m_CurrentDateTime);

        int numberOfMesh= 1;
        while (endElementNotReached("Representation"))
        {
                gotToPolygonalRepType();
                if (!endElementNotReached("Representation") || m_pStreamReader->atEnd() || m_pStreamReader->hasError())
                {
                        if (m_pStreamReader->hasError() || m_pStreamReader->atEnd())
                        {
                                QString message(QString("An element have not been found in file ") + m_FileName);
                                qDebug() << m_pStreamReader->errorString();
                                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                                clear();
                                throw(fileFormatException);
                        }
                        else
                        {
                                pMesh->finish();
                                currentMesh3DRep.clean();
                                if (!currentMesh3DRep.isEmpty())
                                {
                                        if (GLC_State::cacheIsUsed())
                                        {
                                                GLC_CacheManager currentManager= GLC_State::currentCacheManager();
                                                if (!currentManager.addToCache(QFileInfo(m_FileName).fileName(), currentMesh3DRep))
                                                {
                                                        qDebug() << "File " << currentMesh3DRep.fileName() << " Not Added to cache";
                                                }
                                        }

                                        return new GLC_StructReference(new GLC_3DRep(currentMesh3DRep));
                                }
                                else
                                {
                                        return new GLC_StructReference("Empty Rep");
                                }
                        }
                }
                if (numberOfMesh > 1)
                {
                        pMesh->finish();
                        pMesh = new GLC_Mesh();
                        pMesh->setName(refName);
                        currentMesh3DRep.addGeom(pMesh);
                }

                // Get the master lod accuracy
                double masterLodAccuracy= readAttribute("accuracy", false).toDouble();

                loadLOD(pMesh);
                if (m_pStreamReader->atEnd() || m_pStreamReader->hasError())
                {
                        qDebug() << " Master LOD not found";
                        return new GLC_StructReference("Empty Rep");
                }

                // Load Faces index data
                while (endElementNotReached("Faces"))
                {
                        m_pStreamReader->readNext();
                        if ( m_pStreamReader->name() == "Face")
                        {
                                loadFace(pMesh, 0, masterLodAccuracy);
                        }
                }
                checkForXmlError("End of Faces not found");

                while (startElementNotReached("Edges") && startElementNotReached("VertexBuffer"))
                {
                        m_pStreamReader->readNext();
                }

                checkForXmlError("Element VertexBuffer not found");
                if (m_pStreamReader->name() == "Edges")
                {
                        while (endElementNotReached("Edges"))
                        {
                                m_pStreamReader->readNext();
                                if ( m_pStreamReader->name() == "Polyline")
                                {
                                        loadPolyline(pMesh);
                                        m_pStreamReader->readNext();
                                }
                        }
                }


                {
                        QString verticePosition= getContent("Positions").replace(',', ' ');
                        //qDebug() << "Position " << verticePosition;
                        checkForXmlError("Error while retrieving Position ContentVertexBuffer");
                        // Load Vertice position
                        QTextStream verticeStream(&verticePosition);
                        QList<GLfloat> verticeValues;
                        QString buff;
                        while ((!verticeStream.atEnd()))
                        {
                                verticeStream >> buff;
                                verticeValues.append(buff.toFloat());
                        }
                        pMesh->addVertice(verticeValues.toVector());

                }

                {
                        QString normals= getContent("Normals").replace(',', ' ');
                        //qDebug() << "Normals " << normals;
                        checkForXmlError("Error while retrieving Normals values");
                        // Load Vertice Normals
                        QTextStream normalsStream(&normals);
                        QList<GLfloat> normalValues;
                        QString buff;
                        while ((!normalsStream.atEnd()))
                        {
                                normalsStream >> buff;
                                normalValues.append(buff.toFloat());
                        }
                        pMesh->addNormals(normalValues.toVector());
                }

                // Try to find texture coordinate
                while (endElementNotReached("VertexBuffer"))
                {
                        //qDebug() << "Try to find texture coordinate " << m_pStreamReader->name() << " " << m_pStreamReader->lineNumber();
                        if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "TextureCoordinates"))
                        {
                                QString texels= getContent("TextureCoordinates").replace(',', ' ');
                                checkForXmlError("Error while retrieving Texture coordinates");
                                QTextStream texelStream(&texels);
                                QList<GLfloat> texelValues;
                                QString buff;
                                while ((!texelStream.atEnd()))
                                {
                                        texelStream >> buff;
                                        texelValues.append(buff.toFloat());
                                }
                                pMesh->addTexels(texelValues.toVector());
                        }
                        m_pStreamReader->readNext();
                }

                ++numberOfMesh;
        }

        pMesh->finish();

        currentMesh3DRep.clean();
        if (!currentMesh3DRep.isEmpty())
        {
                if (GLC_State::cacheIsUsed())
                {
                        GLC_CacheManager currentManager= GLC_State::currentCacheManager();
                        currentManager.addToCache(QFileInfo(m_FileName).fileName(), currentMesh3DRep);
                }

                return new GLC_StructReference(new GLC_3DRep(currentMesh3DRep));
        }
        else
        {
                return new GLC_StructReference("Empty Rep");
        }
}

// Load Matrix
GLC_Matrix4x4 GLC_3dxmlToWorld::loadMatrix(const QString& stringMatrix)
{

        QStringList stringValues(stringMatrix.split(" "));

        if (stringValues.size() != 12) return GLC_Matrix4x4();

        QVector<double> values(16);
        // Rotation
        values[0]= stringValues[0].toDouble();
        values[1]= stringValues[1].toDouble();
        values[2]= stringValues[2].toDouble();
        values[3]= 0.0;
        values[4]= stringValues[3].toDouble();
        values[5]= stringValues[4].toDouble();
        values[6]= stringValues[5].toDouble();
        values[7]= 0.0;
        values[8]= stringValues[6].toDouble();
        values[9]= stringValues[7].toDouble();
        values[10]= stringValues[8].toDouble();
        values[11]= 0.0;
        // Translation
        values[12]= stringValues[9].toDouble();
        values[13]= stringValues[10].toDouble();
        values[14]= stringValues[11].toDouble();
        values[15]= 1.0;

        return GLC_Matrix4x4(values.data());
}

// Create the unfolded  tree
void GLC_3dxmlToWorld::createUnfoldedTree()
{
        //qDebug() << "createUnfoldedTree";
        // Run throw all link in the list of link

        qSort(m_AssyLinkList.begin(), m_AssyLinkList.end());
        AssyLinkList::iterator iLink= m_AssyLinkList.begin();
        while(iLink != m_AssyLinkList.constEnd())
        {
                GLC_StructInstance* pChildInstance= (*iLink).m_pChildInstance;
                if (pChildInstance->structReference() == NULL)
                {
                        qDebug() << "Instance without reference";
                        pChildInstance->setReference(new GLC_StructReference("Part"));
                }
                Q_ASSERT(m_ReferenceHash.contains((*iLink).m_ParentRefId));
                GLC_StructReference* pRef= m_ReferenceHash.value((*iLink).m_ParentRefId);
                // Attach pInstance at all Occurence of pRef
                QList<GLC_StructInstance*> instanceList= pRef->listOfStructInstances();
                const int instanceNumber= instanceList.size();
                for (int i= 0; i < instanceNumber; ++i)
                {
                        if (instanceList.at(i)->hasStructOccurence())
                        {
                                QList<GLC_StructOccurence*> occurenceList= instanceList.at(i)->listOfStructOccurences();
                                const int occurenceNumber= occurenceList.size();
                                for (int j= 0; j < occurenceNumber; ++j)
                                {
                                        if (pChildInstance->hasStructOccurence() && pChildInstance->firstOccurenceHandle()->isOrphan())
                                        {
                                                Q_ASSERT(pChildInstance->listOfStructOccurences().size() == 1);
                                                occurenceList.at(j)->addChild(pChildInstance->firstOccurenceHandle());
                                        }
                                        else
                                        {
                                                occurenceList.at(j)->addChild(pChildInstance);
                                        }
                                }
                        }
                        else
                        {
                                GLC_StructOccurence* pOccurence= new GLC_StructOccurence(instanceList.at(i), m_pWorld->worldHandle());
                                if (pChildInstance->hasStructOccurence() && pChildInstance->firstOccurenceHandle()->isOrphan())
                                {
                                        Q_ASSERT(pChildInstance->listOfStructOccurences().size() == 1);
                                        pOccurence->addChild(pChildInstance->firstOccurenceHandle());
                                }
                                else
                                {
                                        pOccurence->addChild(pChildInstance);
                                }
                        }
                }

                ++iLink;
        }

        m_AssyLinkList.clear();

        // Check the assembly structure occurence
        ReferenceHash::const_iterator iRef= m_ReferenceHash.constBegin();
        while (m_ReferenceHash.constEnd() != iRef)
        {
                if (iRef.key() != 1)
                {
                        GLC_StructReference* pReference= iRef.value();
                        if (!pReference->hasStructInstance())
                        {
                                qDebug() << "GLC_3dxmlToWorld::createUnfoldedTree() : Orphan reference: " << pReference->name();
                                delete pReference;
                        }
                        else
                        {
                                QList<GLC_StructInstance*> instances= pReference->listOfStructInstances();
                                const int size= instances.size();
                                for (int i= 0; i < size; ++i)
                                {
                                        GLC_StructInstance* pInstance= instances.at(i);
                                        if (!pInstance->hasStructOccurence())
                                        {
                                                qDebug() << "GLC_3dxmlToWorld::createUnfoldedTree() : Orphan Instance: " << pInstance->name();
                                                delete pInstance;
                                        }
                                        else
                                        {
                                                QList<GLC_StructOccurence*> occurences= pInstance->listOfStructOccurences();
                                                const int occurencesSize= occurences.size();
                                                for (int j= 0; j < occurencesSize; ++j)
                                                {
                                                        GLC_StructOccurence* pOcc= occurences.at(j);
                                                        if (pOcc->isOrphan())
                                                        {
                                                                qDebug() << "GLC_3dxmlToWorld::createUnfoldedTree(): Orphan occurence: " << pOcc->name();
                                                                delete pOcc;
                                                        }
                                                }
                                        }
                                }
                        }
                }
                ++iRef;
        }
        m_ReferenceHash.clear();

        // Update position
        m_pWorld->rootOccurence()->updateChildrenAbsoluteMatrix();

}
// Check for XML error
void GLC_3dxmlToWorld::checkForXmlError(const QString& info)
{
        if (m_pStreamReader->atEnd() || m_pStreamReader->hasError())
        {
                QString message(QString("An element have not been found in file ") + m_CurrentFileName);
                qDebug() << info << " " << m_pStreamReader->errorString() << "  " << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }
}
// Go to the master LOD
void GLC_3dxmlToWorld::loadLOD(GLC_Mesh* pMesh)
{
        int lodIndex= 1;
        while(!m_pStreamReader->atEnd() && !((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "Faces")))
        {
                m_pStreamReader->readNext();
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "SurfaceAttributes"))
                {
                        m_pCurrentMaterial= loadSurfaceAttributes();
                }
                else if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "PolygonalLOD"))
                {
                        double accuracy= readAttribute("accuracy", true).toDouble();
                        // Load Faces index data
                        while (endElementNotReached("Faces"))
                        {
                                m_pStreamReader->readNext();
                                if ( m_pStreamReader->name() == "Face")
                                {
                                        loadFace(pMesh, lodIndex, accuracy);
                                }
                        }
                        checkForXmlError("End of Faces not found");
                        ++lodIndex;
                }
        }
}
// Load a face
void GLC_3dxmlToWorld::loadFace(GLC_Mesh* pMesh, const int lod, double accuracy)
{
        //qDebug() << "GLC_3dxmlToWorld::loadFace" << m_pStreamReader->name();
        // List of index declaration
        QString triangles= readAttribute("triangles", false).trimmed();
        QString strips= readAttribute("strips", false).trimmed();
        QString fans= readAttribute("fans", false).trimmed();

        if (triangles.isEmpty() && strips.isEmpty() && fans.isEmpty())
        {
                qDebug() << "GLC_3dxmlToWorld::loadFace : Empty face found";
                return;
        }

        GLC_Material* pCurrentMaterial= NULL;

        while(endElementNotReached("Face"))
        {
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "SurfaceAttributes"))
                {
                        pCurrentMaterial= loadSurfaceAttributes();
                }
                m_pStreamReader->readNext();
        }
        if (NULL == pCurrentMaterial)
        {
                pCurrentMaterial= m_pCurrentMaterial;
        }

        // Trying to find triangles
        if (!triangles.isEmpty())
        {
                // For 3dvia mesh
                if (triangles.contains(','))
                {
                        triangles.remove(',');
                }
                QTextStream trianglesStream(&triangles);
                IndexList trianglesIndex;
                QString buff;
                while ((!trianglesStream.atEnd()))
                {
                        trianglesStream >> buff;
                        trianglesIndex.append(buff.toUInt());
                }
                pMesh->addTriangles(pCurrentMaterial, trianglesIndex, lod, accuracy);
        }
        // Trying to find trips
        if (!strips.isEmpty())
        {

                QStringList stripsList(strips.split(","));
                const int size= stripsList.size();
                for (int i= 0; i < size; ++i)
                {
                        //qDebug() << "Strip " << stripsList.at(i);
                        QTextStream stripsStream(&stripsList[i]);
                        IndexList stripsIndex;
                        QString buff;
                        while ((!stripsStream.atEnd()))
                        {
                                stripsStream >> buff;
                                stripsIndex.append(buff.toUInt());
                        }
                        pMesh->addTrianglesStrip(pCurrentMaterial, stripsIndex, lod, accuracy);
                }
        }
        // Trying to find fans
        if (!fans.isEmpty())
        {
                QStringList fansList(fans.split(","));
                const int size= fansList.size();
                for (int i= 0; i < size; ++i)
                {
                        QTextStream fansStream(&fansList[i]);
                        IndexList fansIndex;
                        QString buff;
                        while ((!fansStream.atEnd()))
                        {
                                fansStream >> buff;
                                fansIndex.append(buff.toUInt());
                        }
                        pMesh->addTrianglesFan(pCurrentMaterial, fansIndex, lod, accuracy);
                }
        }

}

// Load polyline
void GLC_3dxmlToWorld::loadPolyline(GLC_Mesh* pMesh)
{
        QString data= readAttribute("vertices", true);

        data.replace(',', ' ');
        QTextStream dataStream(&data);
        GLfloatVector dataVector;
        QString buff;
        while ((!dataStream.atEnd()))
        {
                dataStream >> buff;
                dataVector.append(buff.toFloat());
        }
        pMesh->addPolyline(dataVector);
}

// Clear material hash
void GLC_3dxmlToWorld::clearMaterialHash()
{
        MaterialHash::iterator iMaterial= m_MaterialHash.begin();
        while (m_MaterialHash.constEnd() != iMaterial)
        {
                if (iMaterial.value()->isUnused())
                {
                        delete iMaterial.value();
                }
                ++iMaterial;
        }

        m_MaterialHash.clear();
}

GLC_Material* GLC_3dxmlToWorld::loadSurfaceAttributes()
{
        GLC_Material* pMaterial= NULL;
        while(endElementNotReached("SurfaceAttributes"))
        {
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "Color"))
                {
                        pMaterial= getMaterial();
                }
                else if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "MaterialApplication"))
                {
                        while (endElementNotReached("MaterialApplication"))
                        {
                                m_pStreamReader->readNext();
                                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "MaterialId"))
                                {
                                        //qDebug() << m_p3dxmlFile->getActualFileName();
                                        checkForXmlError("Material ID not found");
                                        QString materialId= readAttribute("id", true).remove("urn:3DXML:CATMaterialRef.3dxml#");
                                        pMaterial= m_MaterialHash.value(materialId);
                                }
                        }

                }
                m_pStreamReader->readNext();
        }

        return pMaterial;
}

GLC_Material* GLC_3dxmlToWorld::getMaterial()
{
        GLC_Material* pMaterial= NULL;
        const QString red(readAttribute("red", true));
        const QString green(readAttribute("green", true));
        const QString blue(readAttribute("blue", true));
        const QString alpha(readAttribute("alpha", true));

        qreal redReal= red.toDouble();
        qreal greenReal= green.toDouble();
        qreal blueReal= blue.toDouble();
        qreal alphaReal= alpha.toDouble();
        QColor diffuse;
        diffuse.setRgbF(redReal, greenReal, blueReal);
        pMaterial= new GLC_Material(diffuse);
        pMaterial->setName("Material_" + QString::number(m_MaterialHash.size()));
        pMaterial->setAmbientColor(QColor(50, 50, 50));
        pMaterial->setSpecularColor(QColor(70, 70, 70));
        pMaterial->setShininess(35.0);
        pMaterial->setOpacity(alphaReal);

        const QString matKey= QString::number(pMaterial->hashCode());
        if (m_MaterialHash.contains(matKey))
        {
                delete pMaterial;
                pMaterial= m_MaterialHash.value(matKey);
        }
        else
        {
                m_MaterialHash.insert(matKey, pMaterial);
        }

        return pMaterial;
}

// Set the stream reader to the specified file
bool GLC_3dxmlToWorld::setStreamReaderToFile(QString fileName, bool test)
{
        //qDebug() << "GLC_3dxmlToWorld::setStreamReaderToFile";
        m_CurrentFileName= fileName;
        if (m_IsInArchive)
        {
                delete m_p3dxmlFile;
                // Create QuaZip File
                m_p3dxmlFile= new QuaZipFile(m_p3dxmlArchive);

                // Get the file of the 3dxml
                if (!m_p3dxmlArchive->setCurrentFile(fileName, QuaZip::csInsensitive))
                {
                        QString message(QString("GLC_3dxmlToWorld::setStreamReaderToFile File ") + m_FileName + " doesn't contains " + fileName);
                        qDebug() << message;

                        if (!test)
                        {
                                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                                clear();
                                throw(fileFormatException);
                        }
                        else return false;
                }

                // Open the file of the 3dxml
                if(!m_p3dxmlFile->open(QIODevice::ReadOnly))
            {
                        QString message(QString("GLC_3dxmlToWorld::setStreamReaderToFile Unable to Open ") + fileName);
                        qDebug() << message;
                        GLC_FileFormatException fileFormatException(message, fileName, GLC_FileFormatException::FileNotSupported);
                        clear();
                        throw(fileFormatException);
            }

                // Set the stream reader
                delete m_pStreamReader;
                m_pStreamReader= new QXmlStreamReader(m_p3dxmlFile);
        }
        else
        {
                delete m_pCurrentFile;
                // Create the file to load
                if (fileName != m_FileName && !m_FileName.isEmpty())
                {
                        fileName= QFileInfo(m_FileName).absolutePath() + QDir::separator() + QFileInfo(fileName).fileName();

                }
                // Get the 3DXML time stamp
                m_CurrentDateTime= QFileInfo(fileName).lastModified();

                m_pCurrentFile= new QFile(fileName);
                if (!m_pCurrentFile->open(QIODevice::ReadOnly))
                {
                        QString message(QString("GLC_3dxmlToWorld::setStreamReaderToFile File ") + fileName + QString(" not found"));
                        qDebug() << message;
                        //GLC_FileFormatException fileFormatException(message, fileName, GLC_FileFormatException::FileNotFound);
                        //clear();
                        return false;
                        //throw(fileFormatException);
                }
                else if (m_FileName != fileName)
                {
                        m_ListOfAttachedFileName << fileName;
                }
                // Set the stream reader
                delete m_pStreamReader;
                m_pStreamReader= new QXmlStreamReader(m_pCurrentFile);
        }
        return true;
}

// Load the local representation
void GLC_3dxmlToWorld::loadLocalRepresentations()
{
        qDebug() << "GLC_3dxmlToWorld::loadLocalRepresentations()";

        if (m_LocalRepLinkList.isEmpty()) return;
        QHash<const QString, GLC_3DRep> repHash;

        // Load all local ref
        goToElement("GeometricRepresentationSet");
        while (endElementNotReached("GeometricRepresentationSet"))
        {
                if (m_pStreamReader->name() == "Representation")
                {
                        QString id= readAttribute("id", true);
                        GLC_StructReference* pRef= createReferenceRep("3DXML_Local_" + id);
                        GLC_Rep* pRep= pRef->representationHandle();
                        if (pRep != NULL)
                        {
                                GLC_3DRep representation(*(dynamic_cast<GLC_3DRep*>(pRep)));
                                repHash.insert(id, representation);
                        }
                        delete pRef;
                }
                m_pStreamReader->readNext();
        }
        //qDebug() << "Local rep loaded";

        // Attach the ref to the structure reference
        RepLinkList::iterator iLocalRep= m_LocalRepLinkList.begin();
        while (iLocalRep != m_LocalRepLinkList.constEnd())
        {
                unsigned int referenceId= (*iLocalRep).m_ReferenceId;
                unsigned int refId= (*iLocalRep).m_RepId;

                GLC_StructReference* pReference= m_ReferenceHash.value(referenceId);
                const QString representationID= m_ReferenceRepHash.value(refId);
                pReference->setRepresentation(repHash.value(representationID));
                pReference->representationHandle()->setName(pReference->name());

                ++iLocalRep;
        }
}

void GLC_3dxmlToWorld::loadGraphicsProperties()
{
        qDebug() << "GLC_3dxmlToWorld::loadGraphicsProperties";
        if (m_pStreamReader->atEnd() || m_pStreamReader->hasError())
        {
                QString message(QString("GLC_3dxmlToWorld::loadGraphicsProperties Element DefaultView Not found in ") + m_FileName);
                qDebug() << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }

        // Load the graphics properties
        while(endElementNotReached("DefaultView"))
        {
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "DefaultViewProperty"))
                {
                        loadDefaultViewProperty();
                }

                m_pStreamReader->readNext();
        }

        // Check if an error Occur
        if (m_pStreamReader->hasError())
        {
                QString message(QString("GLC_3dxmlToWorld::loadGraphicsProperties An error occur in ") + m_FileName);
                qDebug() << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }

}

void GLC_3dxmlToWorld::loadDefaultViewProperty()
{
        goToElement("OccurenceId");
        unsigned int occurenceId= getContent("OccurenceId").toUInt();

        // Load the graphics properties
        while(endElementNotReached("DefaultViewProperty"))
        {
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "GraphicProperties"))
                {
                        while(endElementNotReached("GraphicProperties"))
                        {
                                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "GeneralAttributes"))
                                {
                                        QString visibleString= readAttribute("visible", true);
                                        if (visibleString != "true")
                                        {
                                                if (!m_OccurenceAttrib.contains(occurenceId))
                                                {
                                                        OccurenceAttrib* pOccurenceAttrib= new OccurenceAttrib();
                                                        pOccurenceAttrib->m_IsVisible= false;
                                                        m_OccurenceAttrib.insert(occurenceId, pOccurenceAttrib);
                                                }
                                                else m_OccurenceAttrib.value(occurenceId)->m_IsVisible= false;
                                        }
                                }
                                else if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "SurfaceAttributes"))
                                {
                                        goToElement("Color");
                                        const double red= readAttribute("red", true).toDouble();
                                        const double green= readAttribute("green", true).toDouble();
                                        const double blue= readAttribute("blue", true).toDouble();
                                        double alpha= 1.0;
                                        QString alphaString= readAttribute("alpha", false);
                                        if (!alphaString.isEmpty()) alpha= alphaString.toDouble();

                                        GLC_RenderProperties* pRenderProperties= new GLC_RenderProperties();
                                        if (red != -1.0f)
                                        {
                                                QColor diffuseColor;
                                                diffuseColor.setRgbF(red, green, blue, alpha);
                                                GLC_Material* pMaterial= new GLC_Material();
                                                pMaterial->setDiffuseColor(diffuseColor);
                                                pRenderProperties->setOverwriteMaterial(pMaterial);
                                                pRenderProperties->setRenderingMode(glc::OverwriteMaterial);
                                        }
                                        else if (alpha < 1.0f)
                                        {
                                                pRenderProperties->setOverwriteTransparency(static_cast<float>(alpha));
                                                pRenderProperties->setRenderingMode(glc::OverwriteTransparency);
                                        }
                                        if (!m_OccurenceAttrib.contains(occurenceId))
                                        {
                                                OccurenceAttrib* pOccurenceAttrib= new OccurenceAttrib();
                                                pOccurenceAttrib->m_pRenderProperties= pRenderProperties;
                                                m_OccurenceAttrib.insert(occurenceId, pOccurenceAttrib);
                                        }
                                        else m_OccurenceAttrib.value(occurenceId)->m_pRenderProperties= pRenderProperties;
                                }

                                m_pStreamReader->readNext();
                        }

                }

                m_pStreamReader->readNext();
        }

        // Check if an error Occur
        if (m_pStreamReader->hasError())
        {
                QString message(QString("GLC_3dxmlToWorld::loadDefaultViewProperty An error occur in ") + m_FileName);
                qDebug() << message;
                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                clear();
                throw(fileFormatException);
        }

}
// Load the extern representation
void GLC_3dxmlToWorld::loadExternRepresentations()
{

        if (m_ExternRepLinkList.isEmpty()) return;

        QHash<const unsigned int, GLC_3DRep> repHash;

        // Progress bar variables
        const int size= m_ReferenceRepHash.size();
        int previousQuantumValue= 0;
        int currentQuantumValue= 0;
        int currentFileIndex= 0;
        emit currentQuantum(currentQuantumValue);

        // Load all external rep
        ReferenceRepHash::iterator iRefRep= m_ReferenceRepHash.begin();
        while (iRefRep != m_ReferenceRepHash.constEnd())
        {
                const QString currentRefFileName= iRefRep.value();
                const unsigned int id= iRefRep.key();

                if (! m_IsInArchive)
                {
                        // Get the 3DXML time stamp
                        m_CurrentDateTime= QFileInfo(QFileInfo(m_FileName).absolutePath() + QDir::separator() + QFileInfo(currentRefFileName).fileName()).lastModified();
                        qDebug() << "m_CurrentDateTime : " << m_CurrentDateTime.toString();
                }


                if (!m_LoadStructureOnly && setStreamReaderToFile(currentRefFileName))
                {
                        GLC_3DRep representation;
                        if (GLC_State::cacheIsUsed() && GLC_State::currentCacheManager().isUsable(m_CurrentDateTime, QFileInfo(m_FileName).fileName(), currentRefFileName))
                        {
                                GLC_CacheManager cacheManager= GLC_State::currentCacheManager();
                                GLC_BSRep binaryRep= cacheManager.binary3DRep(QFileInfo(m_FileName).fileName(), currentRefFileName);
                                representation= binaryRep.loadRep();

                                factorizeMaterial(&representation);
                        }
                        else
                        {
                                representation= loadCurrentExtRep();
                                representation.clean();
                        }
                        if (!representation.isEmpty())
                        {
                                repHash.insert(id, representation);
                        }
                }
                else if (m_LoadStructureOnly)
                {
                        GLC_3DRep representation;
                        if (m_IsInArchive)
                        {
                                representation.setFileName(glc::builtArchiveString(m_FileName, currentRefFileName));
                        }
                        else
                        {
                                const QString repFileName= QFileInfo(m_FileName).absolutePath() + QDir::separator() + currentRefFileName;
                                representation.setFileName("File::" + m_FileName + "::" + repFileName);
                                m_ListOfAttachedFileName << repFileName;
                        }

                        repHash.insert(id, representation);
                }

                // Progrees bar indicator
                ++currentFileIndex;
                currentQuantumValue = static_cast<int>((static_cast<double>(currentFileIndex) / size) * 100);
                if (currentQuantumValue > previousQuantumValue)
                {
                        emit currentQuantum(currentQuantumValue);
                }
                previousQuantumValue= currentQuantumValue;

                ++iRefRep;
        }

        // Attach the ref to the structure reference
        RepLinkList::iterator iExtRep= m_ExternRepLinkList.begin();
        while (iExtRep != m_ExternRepLinkList.constEnd())
        {
                unsigned int referenceId= (*iExtRep).m_ReferenceId;
                unsigned int refId= (*iExtRep).m_RepId;

                GLC_StructReference* pReference= m_ReferenceHash.value(referenceId);
                pReference->setRepresentation(repHash.value(refId));

                ++iExtRep;
        }

}

// Return the instance of the current extern representation
GLC_3DRep GLC_3dxmlToWorld::loadCurrentExtRep()
{
        GLC_Mesh* pMesh= new GLC_Mesh();
        GLC_3DRep currentMeshRep(pMesh);
        currentMeshRep.setName(QString());
        // Set rep file name and time stamp
        currentMeshRep.setFileName(m_CurrentFileName);
        currentMeshRep.setLastModified(m_CurrentDateTime);

        int numberOfMesh= 1;
        while (!m_pStreamReader->atEnd())
        {
                m_pCurrentMaterial= NULL;
                gotToPolygonalRepType();
                if (m_pStreamReader->atEnd() || m_pStreamReader->hasError())
                {
                        if (m_pStreamReader->hasError())
                        {
                                QString message(QString("An element have not been found in file ") + m_FileName);
                                qDebug() << m_pStreamReader->errorString();
                                GLC_FileFormatException fileFormatException(message, m_FileName, GLC_FileFormatException::WrongFileFormat);
                                clear();
                                throw(fileFormatException);
                        }
                        else
                        {
                                pMesh->finish();
                                currentMeshRep.clean();

                                if (GLC_State::cacheIsUsed())
                                {
                                        GLC_CacheManager currentManager= GLC_State::currentCacheManager();
                                        currentManager.addToCache(QFileInfo(m_FileName).fileName(), currentMeshRep);
                                }

                                return currentMeshRep;
                        }
                }
                if (numberOfMesh > 1)
                {
                        pMesh->finish();
                        pMesh = new GLC_Mesh();
                        currentMeshRep.addGeom(pMesh);
                }

                // Get the master lod accuracy
                double masteLodAccuracy= readAttribute("accuracy", false).toDouble();

                loadLOD(pMesh);
                if (m_pStreamReader->atEnd() || m_pStreamReader->hasError())
                {
                        qDebug() << " Master LOD not found";
                        pMesh->finish();
                        currentMeshRep.clean();

                        if (GLC_State::cacheIsUsed())
                        {
                                GLC_CacheManager currentManager= GLC_State::currentCacheManager();
                                currentManager.addToCache(QFileInfo(m_FileName).fileName(), currentMeshRep);
                        }

                        return currentMeshRep;
                }

                // Load Faces index data
                while (endElementNotReached("Faces"))
                {
                        m_pStreamReader->readNext();
                        if ( m_pStreamReader->name() == "Face")
                        {
                                loadFace(pMesh, 0, masteLodAccuracy);
                        }
                }
                checkForXmlError("End of Faces not found");

                while (startElementNotReached("Edges") && startElementNotReached("VertexBuffer"))
                {
                        m_pStreamReader->readNext();
                }

                checkForXmlError("Element VertexBuffer not found");
                if (m_pStreamReader->name() == "Edges")
                {
                        while (endElementNotReached("Edges"))
                        {
                                m_pStreamReader->readNext();
                                if ( m_pStreamReader->name() == "Polyline")
                                {
                                        loadPolyline(pMesh);
                                        m_pStreamReader->readNext();
                                }
                        }
                }

                {
                        QString verticePosition= getContent("Positions").replace(',', ' ');
                        //qDebug() << "Position " << verticePosition;
                        checkForXmlError("Error while retrieving Position ContentVertexBuffer");
                        // Load Vertice position
                        QTextStream verticeStream(&verticePosition);
                        QList<GLfloat> verticeValues;
                        QString buff;
                        while ((!verticeStream.atEnd()))
                        {
                                verticeStream >> buff;
                                verticeValues.append(buff.toFloat());
                        }
                        pMesh->addVertice(verticeValues.toVector());

                }

                {
                        QString normals= getContent("Normals").replace(',', ' ');
                        //qDebug() << "Normals " << normals;
                        checkForXmlError("Error while retrieving Normals values");
                        // Load Vertice Normals
                        QTextStream normalsStream(&normals);
                        QList<GLfloat> normalValues;
                        QString buff;
                        while ((!normalsStream.atEnd()))
                        {
                                normalsStream >> buff;
                                normalValues.append(buff.toFloat());
                        }
                        pMesh->addNormals(normalValues.toVector());
                }
                // Try to find texture coordinate
                while (endElementNotReached("VertexBuffer"))
                {
                        if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && (m_pStreamReader->name() == "TextureCoordinates"))
                        {
                                QString texels= getContent("TextureCoordinates").replace(',', ' ');
                                checkForXmlError("Error while retrieving Texture coordinates");
                                QTextStream texelStream(&texels);
                                QList<GLfloat> texelValues;
                                QString buff;
                                while ((!texelStream.atEnd()))
                                {
                                        texelStream >> buff;
                                        texelValues.append(buff.toFloat());
                                }
                                pMesh->addTexels(texelValues.toVector());
                        }
                        m_pStreamReader->readNext();
                }
                ++numberOfMesh;
        }

        pMesh->finish();
        currentMeshRep.clean();

        if (GLC_State::cacheIsUsed())
        {
                GLC_CacheManager currentManager= GLC_State::currentCacheManager();
                currentManager.addToCache(QFileInfo(m_FileName).fileName(), currentMeshRep);
        }

        return currentMeshRep;
}
// Load CatMaterial Ref if present
void GLC_3dxmlToWorld::loadCatMaterialRef()
{

        QList<MaterialRef> materialRefList;

        // Load material Name, Id and associated File
        if (setStreamReaderToFile("CATMaterialRef.3dxml", true))
        {
                // Load the material file
                qDebug() << "CATMaterialRef.3dxml found and current";
                goToElement("CATMaterialRef");
                checkForXmlError("Element CATMaterialRef not found in CATMaterialRef.3dxml");
                while (endElementNotReached("CATMaterialRef"))
                {
                        if (QXmlStreamReader::StartElement == m_pStreamReader->tokenType())
                        {
                                const QStringRef currentElementName= m_pStreamReader->name();
                                if (currentElementName == "CATMatReference")
                                {
                                        MaterialRef currentMaterial;
                                        currentMaterial.m_Id= readAttribute("id", true);
                                        currentMaterial.m_Name= readAttribute("name", true);
                                        goToElement("MaterialDomain");
                                        checkForXmlError("Element MaterialDomain not found after CATMatReference Element");
                                        currentMaterial.m_AssociatedFile= readAttribute("associatedFile", true).remove("urn:3DXML:");
                                        materialRefList.append(currentMaterial);
                                        //qDebug() << "Material " << currentMaterial.m_Name << " Added";
                                }
                        }
                        m_pStreamReader->readNext();
                }
        }
        // Load material files
        const int size= materialRefList.size();
        for (int i= 0; i < size; ++i)
        {
                if (setStreamReaderToFile(materialRefList.at(i).m_AssociatedFile, true))
                {
                        //qDebug() << "Load MaterialDef : " << materialRefList.at(i).m_AssociatedFile;
                        loadMaterialDef(materialRefList.at(i));
                }
        }
}

// Create material from material def file
void GLC_3dxmlToWorld::loadMaterialDef(const MaterialRef& materialRef)
{
        GLC_Material* pMaterial= new GLC_Material();
        goToElement("Osm");
        checkForXmlError(QString("Element Osm not found in file : ") + materialRef.m_AssociatedFile);
        while (endElementNotReached("Osm"))
        {
                m_pStreamReader->readNext();
                if ((QXmlStreamReader::StartElement == m_pStreamReader->tokenType()) && m_pStreamReader->name() == "Attr")
                {
                        const QString currentName= readAttribute("Name", true);
                        if (currentName == "DiffuseColor")
                        {
                                QString color= m_pStreamReader->attributes().value("Value").toString();
                                color.remove('[');
                                color.remove(']');
                                QStringList colors(color.split(","));
                                QColor diffuseColor;
                                diffuseColor.setRedF(colors.at(0).toDouble());
                                diffuseColor.setGreenF(colors.at(1).toDouble());
                                diffuseColor.setBlueF(colors.at(2).toDouble());
                                pMaterial->setDiffuseColor(diffuseColor);
                        }
                        else if (currentName == "Transparency")
                        {
                                double opacity= readAttribute("Value", true).toDouble();
                                opacity= 1.0 - opacity;
                                pMaterial->setOpacity(opacity);
                        }
                        else if (currentName == "SpecularExponent")
                        {
                                double SpecularExponent= readAttribute("Value", true).toDouble() * 128.0;
                                pMaterial->setShininess(SpecularExponent);
                        }
                        else if (currentName == "TextureImage")
                        {
                                //qDebug() << "TextureImage";
                                QString imageId= readAttribute("Value", true).remove("urn:3DXML:CATRepImage.3dxml#");
                                if (m_TextureImagesHash.contains(imageId))
                                {
                                        QString imageName= m_TextureImagesHash.value(imageId);
                                        GLC_Texture* pTexture= loadTexture(imageName);
                                        if (NULL != pTexture)
                                        {
                                                pMaterial->setTexture(pTexture);
                                        }
                                }
                        }
                        else if (currentName == "EmissiveCoef")
                        {

                        }
                        else if (currentName == "SpecularColor")
                        {
                                QString color= readAttribute("Value", true);
                                color.remove('[');
                                color.remove(']');
                                QStringList colors(color.split(","));
                                QColor specularColor;
                                specularColor.setRedF(colors.at(0).toDouble());
                                specularColor.setGreenF(colors.at(1).toDouble());
                                specularColor.setBlueF(colors.at(2).toDouble());
                                pMaterial->setSpecularColor(specularColor);
                        }
                        else if (currentName == "AmbientColor")
                        {
                                QString color= readAttribute("Value", true);
                                color.remove('[');
                                color.remove(']');
                                QStringList colors(color.split(","));
                                QColor ambientColor;
                                ambientColor.setRedF(colors.at(0).toDouble());
                                ambientColor.setGreenF(colors.at(1).toDouble());
                                ambientColor.setBlueF(colors.at(2).toDouble());
                                pMaterial->setAmbientColor(ambientColor);
                        }

                }
        }
        pMaterial->setName(materialRef.m_Name);
        m_MaterialHash.insert(materialRef.m_Id, pMaterial);
}

// Load CATRepIage if present
void GLC_3dxmlToWorld::loadCatRepImage()
{
        // Load texture image name
        if (setStreamReaderToFile("CATRepImage.3dxml", true))
        {
                qDebug() << "CATRepImage.3dxml Found";
                goToElement("CATRepImage");
                checkForXmlError("Element CATRepImage not found in CATRepImage.3dxml");
                while (endElementNotReached("CATRepImage"))
                {
                        if (QXmlStreamReader::StartElement == m_pStreamReader->tokenType())
                        {
                                const QStringRef currentElementName= m_pStreamReader->name();
                                if (currentElementName == "CATRepresentationImage")
                                {
                                        QString id= readAttribute("id", true);
                                        QString associatedFile= readAttribute("associatedFile", true).remove("urn:3DXML:");
                                        m_TextureImagesHash.insert(id,associatedFile);
                                }
                        }
                        m_pStreamReader->readNext();
                }
                qDebug() << "CATRepImage.3dxml Load";
        }
}

// try to load the specified image
GLC_Texture* GLC_3dxmlToWorld::loadTexture(QString fileName)
{
        QString format= QFileInfo(fileName).suffix().toUpper();
        QImage resultImage;
        QString resultImageFileName;
        if (m_IsInArchive)
        {
                // Create QuaZip File
                QuaZipFile* p3dxmlFile= new QuaZipFile(m_p3dxmlArchive);

                // Get the file of the 3dxml
                if (!m_p3dxmlArchive->setCurrentFile(fileName, QuaZip::csInsensitive))
                {
                        return NULL;
                }

                // Open the file of the 3dxml
                if(!p3dxmlFile->open(QIODevice::ReadOnly))
            {
                        delete p3dxmlFile;
                        QString message(QString("GLC_3dxmlToWorld::loadImage Unable to Open ") + fileName);
                        qDebug() << message;
                        GLC_FileFormatException fileFormatException(message, fileName, GLC_FileFormatException::FileNotSupported);
                        clear();
                        throw(fileFormatException);
            }
                resultImage.load(p3dxmlFile, format.toLocal8Bit());
                p3dxmlFile->close();
                delete p3dxmlFile;
                resultImageFileName= glc::builtArchiveString(m_FileName, fileName);
        }
        else
        {
                // Create the file to load
                if (fileName != m_FileName)
                {
                        resultImageFileName= QFileInfo(m_FileName).absolutePath() + QDir::separator() + fileName;
                }
                QFile* pCurrentFile= new QFile(resultImageFileName);
                if (!pCurrentFile->open(QIODevice::ReadOnly))
                {
                        delete pCurrentFile;
                        QString message(QString("GLC_3dxmlToWorld::loadImage File ") + resultImageFileName + QString(" not found"));
                        qDebug() << message;
                        return NULL;
                }
                else
                {
                        m_ListOfAttachedFileName << resultImageFileName;
                }
                resultImage.load(pCurrentFile, format.toLocal8Bit());
                pCurrentFile->close();
                delete pCurrentFile;
        }

        return new GLC_Texture(m_pQGLContext, resultImage, resultImageFileName);
}

// Factorize material use
void GLC_3dxmlToWorld::factorizeMaterial(GLC_3DRep* pRep)
{
        //qDebug() << "GLC_3dxmlToWorld::factorizeMaterial";
        // Get the Set of materials of the rep
        QSet<GLC_Material*> repMaterialSet= pRep->materialSet();
        QHash<GLC_uint, GLC_Material*> repMaterialHash;
        // Construct the map of material String Hash and Id
        QHash<QString, GLC_uint> materialMap;

        { // Fill the map of material
                QSet<GLC_Material*>::const_iterator iMat= repMaterialSet.constBegin();
                while(repMaterialSet.constEnd() != iMat)
                {
                        GLC_Material* pCurrentMat= *iMat;
                        materialMap.insert(QString::number(pCurrentMat->hashCode()), pCurrentMat->id());
                        repMaterialHash.insert(pCurrentMat->id(), pCurrentMat);
                        ++iMat;
                }
        }

        // Make the factorization
        QHash<QString, GLC_uint>::iterator iMat= materialMap.begin();
        while (materialMap.constEnd() != iMat)
        {
                if (m_MaterialHash.contains(iMat.key()))
                {
                        //qDebug() << "Replace Mat :" << iMat.key() << " " << iMat.value();
                        pRep->replaceMaterial(iMat.value(), m_MaterialHash.value(iMat.key()));
                }
                else
                {
                        //qDebug() << "Indert mat " << iMat.key() << " " << iMat.value();
                        m_MaterialHash.insert(iMat.key(), repMaterialHash.value(iMat.value()));
                }
                ++iMat;
        }

}