C++ Geometry::getNormalArray方法代码示例

        void apply(osg::Geometry& geom)
        {
            geom.setUseDisplayList(false);

            if (!_manualVertexAliasing) return;

            osg::notify(osg::NOTICE)<<"Found geometry "<<&geom<<std::endl;
            if (geom.getVertexArray())
            {
                setVertexAttrib(geom, _vertexAlias, geom.getVertexArray(), false, osg::Array::BIND_PER_VERTEX);
                geom.setVertexArray(0);
            }

            if (geom.getNormalArray())
            {
                setVertexAttrib(geom, _normalAlias, geom.getNormalArray(), true);
                geom.setNormalArray(0);
            }

            if (geom.getColorArray())
            {
                setVertexAttrib(geom, _colorAlias, geom.getColorArray(), false);
                geom.setColorArray(0);
            }

            if (geom.getSecondaryColorArray())
            {
                setVertexAttrib(geom, _secondaryColorAlias, geom.getSecondaryColorArray(), false);
                geom.setSecondaryColorArray(0);
            }

            if (geom.getFogCoordArray())
            {
                // should we normalize the FogCoord array? Don't think so...
                setVertexAttrib(geom, _fogCoordAlias, geom.getFogCoordArray(), false);
                geom.setFogCoordArray(0);
            }

            unsigned int maxNumTexCoords = geom.getNumTexCoordArrays();
            if (maxNumTexCoords>8)
            {
                osg::notify(osg::NOTICE)<<"Warning: Ignoring "<<maxNumTexCoords-8<<" texture coordinate arrays, only 8 are currently supported in vertex attribute conversion code."<<std::endl;
                maxNumTexCoords = 8;
            }
            for(unsigned int i=0; i<maxNumTexCoords; ++i)
            {
                if (geom.getTexCoordArray(i))
                {
                    setVertexAttrib(geom, _texCoordAlias[i], geom.getTexCoordArray(i), false, osg::Array::BIND_PER_VERTEX);
                    geom.setTexCoordArray(i,0);
                }
                else
                {
                    osg::notify(osg::NOTICE)<<"Found empty TexCoordArray("<<i<<")"<<std::endl;
                }
            }
        }

void RigGeometry::copyFrom(osg::Geometry& from)
{
    bool copyToSelf = (this==&from);

    osg::Geometry& target = *this;

    if (!copyToSelf) target.setStateSet(from.getStateSet());

    // copy over primitive sets.
    if (!copyToSelf) target.getPrimitiveSetList() = from.getPrimitiveSetList();

    if (from.getVertexArray())
    {
        if (!copyToSelf) target.setVertexArray(from.getVertexArray());
    }

    if (from.getNormalArray())
    {
        if (!copyToSelf) target.setNormalArray(from.getNormalArray());
    }

    if (from.getColorArray())
    {
        if (!copyToSelf) target.setColorArray(from.getColorArray());
    }

    if (from.getSecondaryColorArray())
    {
        if (!copyToSelf) target.setSecondaryColorArray(from.getSecondaryColorArray());
    }

    if (from.getFogCoordArray())
    {
        if (!copyToSelf) target.setFogCoordArray(from.getFogCoordArray());
    }

    for(unsigned int ti=0;ti<from.getNumTexCoordArrays();++ti)
    {
        if (from.getTexCoordArray(ti))
        {
            if (!copyToSelf) target.setTexCoordArray(ti,from.getTexCoordArray(ti));
        }
    }

    osg::Geometry::ArrayList& arrayList = from.getVertexAttribArrayList();
    for(unsigned int vi=0;vi< arrayList.size();++vi)
    {
        osg::Array* array = arrayList[vi].get();
        if (array)
        {
            if (!copyToSelf) target.setVertexAttribArray(vi,array);
        }
    }
}

 VertexAttribComparitor(osg::Geometry& geometry)
 {
     add(geometry.getVertexArray());
     add(geometry.getNormalArray());
     add(geometry.getColorArray());
     add(geometry.getSecondaryColorArray());
     add(geometry.getFogCoordArray());
     unsigned int i;
     for(i=0;i<geometry.getNumTexCoordArrays();++i)
     {
         add(geometry.getTexCoordArray(i));
     }
     for(i=0;i<geometry.getNumVertexAttribArrays();++i)
     {
         add(geometry.getVertexAttribArray(i));
     }
 }

void
FltExportVisitor::writeLocalVertexPool( const osg::Geometry& geom )
{
    // Attribute Mask
    static const unsigned int HAS_POSITION      = 0x80000000u >> 0;
    // static const unsigned int HAS_COLOR_INDEX   = 0x80000000u >> 1;
    static const unsigned int HAS_RGBA_COLOR    = 0x80000000u >> 2;
    static const unsigned int HAS_NORMAL        = 0x80000000u >> 3;
    static const unsigned int HAS_BASE_UV       = 0x80000000u >> 4;
    static const unsigned int HAS_UV_LAYER1     = 0x80000000u >> 5;
    static const unsigned int HAS_UV_LAYER2     = 0x80000000u >> 6;
    static const unsigned int HAS_UV_LAYER3     = 0x80000000u >> 7;
    static const unsigned int HAS_UV_LAYER4     = 0x80000000u >> 8;
    static const unsigned int HAS_UV_LAYER5     = 0x80000000u >> 9;
    static const unsigned int HAS_UV_LAYER6     = 0x80000000u >> 10;
    static const unsigned int HAS_UV_LAYER7     = 0x80000000u >> 11;

    const osg::Array* v = geom.getVertexArray();
    uint32 numVerts( v->getNumElements() );
    osg::ref_ptr< const osg::Vec3dArray > v3 = VertexPaletteManager::asVec3dArray( v, numVerts );
    if (!v3)
    {
        std::string warning( "fltexp: writeLocalVertexPool: VertexArray is not Vec3Array." );
        osg::notify( osg::WARN ) << warning << std::endl;
        _fltOpt->getWriteResult().warn( warning );
        return;
    }

    // Compute attribute bits and vertex size.
    const osg::Array* c = geom.getColorArray();
    const osg::Array* n = geom.getNormalArray();
    const osg::Array* t = geom.getTexCoordArray( 0 );

    osg::ref_ptr< const osg::Vec4Array > c4 = VertexPaletteManager::asVec4Array( c, numVerts );
    osg::ref_ptr< const osg::Vec3Array > n3 = VertexPaletteManager::asVec3Array( n, numVerts );
    osg::ref_ptr< const osg::Vec2Array > t2 = VertexPaletteManager::asVec2Array( t, numVerts );
    if (c && !c4)
        return;
    if (n && !n3)
        return;
    if (t && !t2)
        return;

    std::vector< osg::ref_ptr< const osg::Vec2Array > > mtc;
    mtc.resize( 8 );
    int unit=1;
    for( ;unit<8; unit++)
        mtc[ unit ] = VertexPaletteManager::asVec2Array( geom.getTexCoordArray( unit ), numVerts );

    uint32 attr( HAS_POSITION );
    unsigned int vertSize( sizeof( float64 ) * 3 );

    if ( ( c4 != NULL ) && ( geom.getColorBinding() == osg::Geometry::BIND_PER_VERTEX) )
    {
        attr |= HAS_RGBA_COLOR;
        vertSize += sizeof( unsigned int );
    }
    if ( ( n3 != NULL ) && ( geom.getNormalBinding() == osg::Geometry::BIND_PER_VERTEX) )
    {
        attr |= HAS_NORMAL;
        vertSize += ( sizeof( float32 ) * 3 );
    }
    if ( t2 != NULL )
    {
        attr |= HAS_BASE_UV;
        vertSize += ( sizeof( float32 ) * 2 );
    }
    // Add multitex
    if (isTextured( 1, geom ))
    {
        attr |= HAS_UV_LAYER1;
        vertSize += ( sizeof( float32 ) * 2 );
    }
    if (isTextured( 2, geom ))
    {
        attr |= HAS_UV_LAYER2;
        vertSize += ( sizeof( float32 ) * 2 );
    }
    if (isTextured( 3, geom ))
    {
        attr |= HAS_UV_LAYER3;
        vertSize += ( sizeof( float32 ) * 2 );
    }
    if (isTextured( 4, geom ))
    {
        attr |= HAS_UV_LAYER4;
        vertSize += ( sizeof( float32 ) * 2 );
    }
    if (isTextured( 5, geom ))
    {
        attr |= HAS_UV_LAYER5;
        vertSize += ( sizeof( float32 ) * 2 );
    }
    if (isTextured( 6, geom ))
    {
        attr |= HAS_UV_LAYER6;
        vertSize += ( sizeof( float32 ) * 2 );
    }
    if (isTextured( 7, geom ))
    {
//.........这里部分代码省略.........

void
GeometryValidator::apply(osg::Geometry& geom)
{
    if ( geom.getVertexArray() == 0L )
    {
        OE_NOTICE << LC << "NULL vertex array!!\n";
        return;
    }

    unsigned numVerts = geom.getVertexArray()->getNumElements();
    if ( numVerts == 0 )
    {
        OE_NOTICE << LC << "No verts!! name=" << geom.getName() << "\n";
        return;
    }

#if OSG_VERSION_GREATER_OR_EQUAL(3,1,9)

    std::set<osg::BufferObject*> _vbos;

    osg::Geometry::ArrayList arrays;
    geom.getArrayList(arrays);
    for(unsigned i=0; i<arrays.size(); ++i)
    {
        osg::Array* a = arrays[i].get();
        if ( a == NULL )
        {
            OE_NOTICE << LC << "Found a NULL array\n";
        }
        else if ( a->getBinding() == a->BIND_OVERALL && a->getNumElements() != 1 )
        {
            OE_NOTICE << LC << "Found an array with BIND_OVERALL and size <> 1\n";
        }
        else if ( a->getBinding() == a->BIND_PER_VERTEX && a->getNumElements() != numVerts )
        {
            OE_NOTICE << LC << "Found BIND_PER_VERTEX with wrong number of elements (expecting " << numVerts << "; found " << a->getNumElements() << ")\n";
        }

        _vbos.insert( a->getVertexBufferObject() );
    }

    if ( _vbos.size() != 1 )
    {
        OE_NOTICE << LC << "Found a Geometry that uses more than one VBO (non-optimal sharing)\n";
    }

#else // pre-3.1.9 ... phase out.

    if ( geom.getColorArray() )
    {
        if ( geom.getColorBinding() == osg::Geometry::BIND_OVERALL && geom.getColorArray()->getNumElements() != 1 )
        {
            OE_NOTICE << "Color: BIND_OVERALL with wrong number of elements" << std::endl;
        }
        else if ( geom.getColorBinding() == osg::Geometry::BIND_PER_VERTEX && geom.getColorArray()->getNumElements() != numVerts )
        {
            OE_NOTICE << "Color: BIND_PER_VERTEX with colors.size != verts.size" << std::endl;
        }
    }

    if ( geom.getNormalArray() )
    {
        if ( geom.getNormalBinding() == osg::Geometry::BIND_OVERALL && geom.getNormalArray()->getNumElements() != 1 )
        {
            OE_NOTICE << "Normal: BIND_OVERALL with wrong number of elements" << std::endl;
        }
        else if ( geom.getNormalBinding() == osg::Geometry::BIND_PER_VERTEX && geom.getNormalArray()->getNumElements() != numVerts )
        {
            OE_NOTICE << "Normal: BIND_PER_VERTEX with normals.size != verts.size" << std::endl;
        }
    }

#endif

    const osg::Geometry::PrimitiveSetList& plist = geom.getPrimitiveSetList();
    
    std::set<osg::BufferObject*> _ebos;

    for( osg::Geometry::PrimitiveSetList::const_iterator p = plist.begin(); p != plist.end(); ++p )
    {
        osg::PrimitiveSet* pset = p->get();

        osg::DrawArrays* da = dynamic_cast<osg::DrawArrays*>(pset);
        if ( da )
        {
            if ( da->getFirst() >= numVerts )
            {
                OE_NOTICE << LC << "DrawArrays: first > numVerts\n";
            }
            if ( da->getFirst()+da->getCount() > numVerts )
            {
                OE_NOTICE << LC << "DrawArrays: first/count out of bounds\n";
            }
            if ( da->getCount() < 1 )
            {
                OE_NOTICE << LC << "DrawArrays: count is zero\n";
            }
        }

        bool isDe = pset->getDrawElements() != 0L;
//.........这里部分代码省略.........

void Tessellator::collectTessellation(osg::Geometry &geom, unsigned int originalIndex)
{
    osg::Vec3Array* vertices = dynamic_cast<osg::Vec3Array*>(geom.getVertexArray());
    VertexPtrToIndexMap vertexPtrToIndexMap;
    
    // populate the VertexPtrToIndexMap.
    for(unsigned int vi=0;vi<vertices->size();++vi)
    {
        vertexPtrToIndexMap[&((*vertices)[vi])] = vi;
    }
    
    handleNewVertices(geom, vertexPtrToIndexMap);
    
    // we don't properly handle per primitive and per primitive_set bindings yet
    // will need to address this soon. Robert Oct 2002.
    {
        osg::Vec3Array* normals = NULL; // GWM Sep 2002 - add normals for extra facets
        int iprim=0;
        if (geom.getNormalBinding()==osg::Geometry::BIND_PER_PRIMITIVE ||
            geom.getNormalBinding()==osg::Geometry::BIND_PER_PRIMITIVE_SET)
        {
            normals = dynamic_cast<osg::Vec3Array*>(geom.getNormalArray()); // GWM Sep 2002
        }
        // GWM Dec 2003 - needed to add colours for extra facets
        osg::Vec4Array* cols4 = NULL; // GWM Dec 2003 colours are vec4
        osg::Vec3Array* cols3 = NULL; // GWM Dec 2003 colours are vec3
        if (geom.getColorBinding()==osg::Geometry::BIND_PER_PRIMITIVE ||
              geom.getColorBinding()==osg::Geometry::BIND_PER_PRIMITIVE_SET)
        {
              Array* colours = geom.getColorArray(); // GWM Dec 2003 - need to duplicate face colours
              switch (colours->getType()) {
              case osg::Array::Vec4ArrayType:
                  cols4=dynamic_cast<osg::Vec4Array *> (colours);
                  break;
              case osg::Array::Vec3ArrayType:
                  cols3=dynamic_cast<osg::Vec3Array *> (colours);
                  break;
              default:
                  break;
              }
              
        }
        // GWM Dec 2003 - these holders need to go outside the loop to 
        // retain the flat shaded colour &/or normal for each tessellated polygon
        osg::Vec3 norm(0.0f,0.0f,0.0f);
        osg::Vec4 primCol4(0.0f,0.0f,0.0f,1.0f);
        osg::Vec3 primCol3(0.0f,0.0f,0.0f);

        for(PrimList::iterator primItr=_primList.begin();
        primItr!=_primList.end();
        ++primItr, ++_index)
        {
              Prim* prim=primItr->get();
              int ntris=0;

              if(vertexPtrToIndexMap.size() <= 255)
              {
                  osg::DrawElementsUByte* elements = new osg::DrawElementsUByte(prim->_mode);
                  for(Prim::VecList::iterator vitr=prim->_vertices.begin();
                  vitr!=prim->_vertices.end();
                  ++vitr)
                {
                    elements->push_back(vertexPtrToIndexMap[*vitr]);
                }

                  // add to the drawn primitive list.
                  geom.addPrimitiveSet(elements);
                  ntris=elements->getNumIndices()/3;
              }
              else if(vertexPtrToIndexMap.size() > 255 && vertexPtrToIndexMap.size() <= 65535)
              {
                  osg::DrawElementsUShort* elements = new osg::DrawElementsUShort(prim->_mode);
                  for(Prim::VecList::iterator vitr=prim->_vertices.begin();
                    vitr!=prim->_vertices.end();
                    ++vitr)
                  {
                    elements->push_back(vertexPtrToIndexMap[*vitr]);
                  }

                  // add to the drawn primitive list.
                  geom.addPrimitiveSet(elements);
                  ntris=elements->getNumIndices()/3;
              }
              else
              {
                  osg::DrawElementsUInt* elements = new osg::DrawElementsUInt(prim->_mode);
                  for(Prim::VecList::iterator vitr=prim->_vertices.begin();
                    vitr!=prim->_vertices.end();
                    ++vitr)
                  {
                    elements->push_back(vertexPtrToIndexMap[*vitr]);
                  }

                  // add to the drawn primitive list.
                  geom.addPrimitiveSet(elements);
                  ntris=elements->getNumIndices()/3;
              }

              if (primItr==_primList.begin()) 
              {   // first primitive so collect primitive normal & colour.
//.........这里部分代码省略.........

void Tessellator::handleNewVertices(osg::Geometry& geom,VertexPtrToIndexMap &vertexPtrToIndexMap)
{
    if (!_newVertexList.empty())
    {
        
        osg::Vec3Array* vertices = dynamic_cast<osg::Vec3Array*>(geom.getVertexArray());
        osg::Vec3Array* normals = NULL;
        if (geom.getNormalBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            normals = dynamic_cast<osg::Vec3Array*>(geom.getNormalArray());
        }
        
        typedef std::vector<osg::Array*> ArrayList;
        ArrayList arrays;
        
        if (geom.getColorBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            arrays.push_back(geom.getColorArray());
        }
        
        if (geom.getSecondaryColorBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            arrays.push_back(geom.getSecondaryColorArray());
        }
        
        if (geom.getFogCoordBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            arrays.push_back(geom.getFogCoordArray());
        }
        
        osg::Geometry::ArrayDataList& tcal = geom.getTexCoordArrayList();
        for(osg::Geometry::ArrayDataList::iterator tcalItr=tcal.begin();
            tcalItr!=tcal.end();
            ++tcalItr)
        {
            if (tcalItr->array.valid()) 
            {
                arrays.push_back(tcalItr->array.get());
            }
        }
        
        // now add any new vertices that are required.
        for(NewVertexList::iterator itr=_newVertexList.begin();
            itr!=_newVertexList.end();
            ++itr)
        {
            NewVertex& newVertex = (*itr);
            osg::Vec3* vertex = newVertex._vpos;
            
            // assign vertex.
            vertexPtrToIndexMap[vertex]=vertices->size();
            vertices->push_back(*vertex);
            
            // assign normals
            if (normals)
            {
                osg::Vec3 norm(0.0f,0.0f,0.0f);
                if (newVertex._v1) norm += (*normals)[vertexPtrToIndexMap[newVertex._v1]] * newVertex._f1;
                if (newVertex._v2) norm += (*normals)[vertexPtrToIndexMap[newVertex._v2]] * newVertex._f2;
                if (newVertex._v3) norm += (*normals)[vertexPtrToIndexMap[newVertex._v3]] * newVertex._f3;
                if (newVertex._v4) norm += (*normals)[vertexPtrToIndexMap[newVertex._v4]] * newVertex._f4;
                norm.normalize();
                normals->push_back(norm);
            }
            
            if (!arrays.empty())
            {
                InsertNewVertices inv(newVertex._f1,vertexPtrToIndexMap[newVertex._v1],
                    newVertex._f2,vertexPtrToIndexMap[newVertex._v2],
                    newVertex._f3,vertexPtrToIndexMap[newVertex._v3],
                    newVertex._f4,vertexPtrToIndexMap[newVertex._v4]);
                
                // assign the rest of the attributes.
                for(ArrayList::iterator aItr=arrays.begin();
                aItr!=arrays.end();
                ++aItr)
                {
                    (*aItr)->accept(inv);
                }
            }
        }
        
    }
    
}

void Tessellator::retessellatePolygons(osg::Geometry &geom)
{
#ifdef OSG_GLU_AVAILABLE
    // turn the contour list into primitives, a little like Tessellator does but more generally
    osg::Vec3Array* vertices = dynamic_cast<osg::Vec3Array*>(geom.getVertexArray());
    
    if (!vertices || vertices->empty() || geom.getPrimitiveSetList().empty()) return;


    // we currently don't handle geometry which use indices...
    if (geom.getVertexIndices() ||
        geom.getNormalIndices() ||
        geom.getColorIndices() ||
        geom.getSecondaryColorIndices() ||
        geom.getFogCoordIndices()) return;
        
    // not even text coord indices don't handle geometry which use indices...
    for(unsigned int unit=0;unit<geom.getNumTexCoordArrays();++unit)
    {
        if (geom.getTexCoordIndices(unit)) return;
    }

    if (_ttype==TESS_TYPE_POLYGONS || _ttype==TESS_TYPE_DRAWABLE) _numberVerts=0; // 09.04.04 GWM reset Tessellator
    // the reset is needed by the flt loader which reuses a Tessellator for triangulating polygons.
    // as such it might be reset by other loaders/developers in future.
    _index=0; // reset the counter for indexed vertices
    _extraPrimitives = 0;
    if (!_numberVerts) {
        _numberVerts=geom.getVertexArray()->getNumElements();
        // save the contours for complex (winding rule) tessellations
        _Contours=geom.getPrimitiveSetList();
    }

    // now cut out vertex attributes added on any previous tessellation
    reduceArray(geom.getVertexArray(), _numberVerts);
    reduceArray(geom.getColorArray(), _numberVerts);
    reduceArray(geom.getNormalArray(), _numberVerts);
    reduceArray(geom.getFogCoordArray(), _numberVerts);
    for(unsigned int unit1=0;unit1<geom.getNumTexCoordArrays();++unit1)
    {
        reduceArray(geom.getTexCoordArray(unit1), _numberVerts);
    }

    // remove the existing primitives.
    unsigned int nprimsetoriginal= geom.getNumPrimitiveSets();
    if (nprimsetoriginal) geom.removePrimitiveSet(0, nprimsetoriginal);

    // the main difference from osgUtil::Tessellator for Geometry sets of multiple contours is that the begin/end tessellation
    // occurs around the whole set of contours.
    if (_ttype==TESS_TYPE_GEOMETRY) {
        beginTessellation();
        gluTessProperty(_tobj, GLU_TESS_WINDING_RULE, _wtype);
        gluTessProperty(_tobj, GLU_TESS_BOUNDARY_ONLY , _boundaryOnly);
    }
    // process all the contours into the Tessellator
    int noContours = _Contours.size();
    int currentPrimitive = 0;
    for(int primNo=0;primNo<noContours;++primNo)
    {
        osg::ref_ptr<osg::PrimitiveSet> primitive = _Contours[primNo].get();
        if (_ttype==TESS_TYPE_POLYGONS || _ttype==TESS_TYPE_DRAWABLE)
        { // this recovers the 'old' tessellation which just retessellates single polygons.
            if (primitive->getMode()==osg::PrimitiveSet::POLYGON || _ttype==TESS_TYPE_DRAWABLE)
            {

                if (primitive->getType()==osg::PrimitiveSet::DrawArrayLengthsPrimitiveType)
                {
                    osg::DrawArrayLengths* drawArrayLengths = static_cast<osg::DrawArrayLengths*>(primitive.get());
                    unsigned int first = drawArrayLengths->getFirst(); 
                    for(osg::DrawArrayLengths::iterator itr=drawArrayLengths->begin();
                        itr!=drawArrayLengths->end();
                        ++itr)
                    {
                        beginTessellation();
                            unsigned int last = first + *itr;
                            addContour(primitive->getMode(),first,last,vertices);
                            first = last;
                        endTessellation();
                        collectTessellation(geom, currentPrimitive);
                        currentPrimitive++;
                    }
                }
                else
                {
                    if (primitive->getNumIndices()>3) { // April 2005 gwm only retessellate "complex" polygons
                        beginTessellation();
                        addContour(primitive.get(), vertices);
                        endTessellation();
                        collectTessellation(geom, currentPrimitive);
                        currentPrimitive++;
                    } else { // April 2005 gwm triangles don't need to be retessellated
                        geom.addPrimitiveSet(primitive.get());
                    }
                }

            }
            else
            { // copy the contour primitive as it is not being tessellated
                geom.addPrimitiveSet(primitive.get());
            }
//.........这里部分代码省略.........

void
GeometryValidator::apply(osg::Geometry& geom)
{
    unsigned numVerts = geom.getVertexArray()->getNumElements();

    if ( geom.getColorArray() )
    {
        if ( geom.getColorBinding() == osg::Geometry::BIND_OVERALL && geom.getColorArray()->getNumElements() != 1 )
        {
            OE_WARN << "Color: BIND_OVERALL with wrong number of elements" << std::endl;
        }
        else if ( geom.getColorBinding() == osg::Geometry::BIND_PER_VERTEX && geom.getColorArray()->getNumElements() != numVerts )
        {
            OE_WARN << "Color: BIND_PER_VERTEX with color.size != verts.size" << std::endl;
        }
    }

    if ( geom.getNormalArray() )
    {
        if ( geom.getNormalBinding() == osg::Geometry::BIND_OVERALL && geom.getNormalArray()->getNumElements() != 1 )
        {
            OE_WARN << "Normal: BIND_OVERALL with wrong number of elements" << std::endl;
        }
        else if ( geom.getNormalBinding() == osg::Geometry::BIND_PER_VERTEX && geom.getNormalArray()->getNumElements() != numVerts )
        {
            OE_WARN << "Normal: BIND_PER_VERTEX with color.size != verts.size" << std::endl;
        }
    }

    const osg::Geometry::PrimitiveSetList& plist = geom.getPrimitiveSetList();

    for( osg::Geometry::PrimitiveSetList::const_iterator p = plist.begin(); p != plist.end(); ++p )
    {
        osg::PrimitiveSet* pset = p->get();

        osg::DrawElementsUByte* de_byte = dynamic_cast<osg::DrawElementsUByte*>(pset);
        if ( de_byte )
        {
            if ( numVerts > 0xFF )
            {
                OE_WARN << "DrawElementsUByte used when numVerts > 255 (" << numVerts << ")" << std::endl;
            }
            validateDE(de_byte, 0xFF, numVerts );
        }

        osg::DrawElementsUShort* de_short = dynamic_cast<osg::DrawElementsUShort*>(pset);
        if ( de_short )
        {
            if ( numVerts > 0xFFFF )
            {
                OE_WARN << "DrawElementsUShort used when numVerts > 65535 (" << numVerts << ")" << std::endl;
            }
            validateDE(de_short, 0xFFFF, numVerts );
        }

        osg::DrawElementsUInt* de_int = dynamic_cast<osg::DrawElementsUInt*>(pset);
        if ( de_int )
        {
            validateDE(de_int, 0xFFFFFFFF, numVerts );
        }
    }
}