bool GMLFeatureCollectionElementParser::parseChildElementEndTag(const NodeType::XMLNode& node, const std::string& characters)
{
if (getFeatureObject() == nullptr) {
throw std::runtime_error("Invalid call to GMLFeatureCollectionElementParser::parseChildElementEndTag");
}
if (node == NodeType::GML_LowerCornerNode) {
if (m_bounds != nullptr) {
m_bounds->setLowerBound(parseValue<TVec3d>(characters, m_logger, getDocumentLocation()));
} else {
CITYGML_LOG_WARN(m_logger, "Definition of " << NodeType::GML_LowerCornerNode << " outside " << NodeType::GML_EnvelopeNode << " at " << getDocumentLocation());
}
return true;
} else if (node == NodeType::GML_UpperCornerNode) {
if (m_bounds != nullptr) {
m_bounds->setUpperBound(parseValue<TVec3d>(characters, m_logger, getDocumentLocation()));
} else {
CITYGML_LOG_WARN(m_logger, "Definition of " << NodeType::GML_UpperCornerNode << " outside " << NodeType::GML_EnvelopeNode << " at " << getDocumentLocation());
}
return true;
} else if (node == NodeType::GML_EnvelopeNode) {
getFeatureObject()->setEnvelope(m_bounds);
return true;
} else if (node == NodeType::GML_BoundedByNode) {
return true;
}
return GMLObjectElementParser::parseChildElementEndTag(node, characters);
}
void GeoCoordinateTransformer::transform(Geometry& obj, GeoTransform& transformation) {
if (!transformation.valid()) {
CITYGML_LOG_WARN(m_logger, "No valid spatial reference system is given for Geometry with id '" << obj.getId() << "'. Child Polygons are not transformed"
<< "(unless they are shared with another geometry for which a spatial reference system is defined)");
return;
}
for (unsigned int i = 0; i < obj.getPolygonsCount(); i++) {
const auto poly = obj.getPolygon(i);
auto it = m_transformedPolygonsSourceURNMap.find(poly.get());
if (it == m_transformedPolygonsSourceURNMap.end()) {
for (TVec3d& vertex : poly->getVertices()) {
transformation.transform(vertex);
}
m_transformedPolygonsSourceURNMap[poly.get()] = transformation.sourceURN();
} else if (it->second != transformation.sourceURN()) {
CITYGML_LOG_WARN(m_logger, "Polygon with id '" << poly->getId() << "' was already transformed from " << it->second << " to " << m_destinationSRS
<< ". But the spatial reference system of Geometry object with id '" << obj.getId() << "' that also contains the polygon is different "
<< "(" << transformation.sourceURN() << "). Ignoring new source SRS.");
}
}
for (unsigned int i = 0; i < obj.getLineStringCount(); i++) {
const auto lineString = obj.getLineString(i);
auto it = m_transformedLineStringsSourceURNMap.find(lineString.get());
if (it == m_transformedLineStringsSourceURNMap.end()) {
if (lineString->getDimensions() == 2) {
for (TVec2d& vertex : lineString->getVertices2D()) {
transformation.transform(vertex);
}
} else if (lineString->getDimensions() == 3) {
for (TVec3d& vertex : lineString->getVertices3D()) {
transformation.transform(vertex);
}
}
m_transformedLineStringsSourceURNMap[lineString.get()] = transformation.sourceURN();
} else if (it->second != transformation.sourceURN()) {
CITYGML_LOG_WARN(m_logger, "LineString with id '" << lineString->getId() << "' was already transformed from " << it->second << " to " << m_destinationSRS
<< ". But the spatial reference system of Geometry object with id '" << obj.getId() << "' that also contains the LineString is different "
<< "(" << transformation.sourceURN() << "). Ignoring new source SRS.");
}
}
for (unsigned int i = 0; i < obj.getGeometriesCount(); i++) {
transform(obj.getGeometry(i), transformation);
}
}
void GeoCoordinateTransformer::transformRecursive_helper(CityObject& obj, GeoTransform& transformation) {
if (obj.getEnvelope().validBounds()) {
if (transformation.valid()) {
TVec3d lowerBound = obj.getEnvelope().getLowerBound();
TVec3d upperBound = obj.getEnvelope().getUpperBound();
transformation.transform(lowerBound);
transformation.transform(upperBound);
Envelope* newEnvelope = new Envelope(m_destinationSRS);
newEnvelope->setLowerBound(lowerBound);
newEnvelope->setUpperBound(upperBound);
obj.setEnvelope(newEnvelope);
} else {
CITYGML_LOG_WARN(m_logger, "No valid spatial reference system is given for CityObject with id '" << obj.getId() << "'. Envelope (Bounding Box) is not transformed.");
}
}
for (unsigned int i = 0; i < obj.getChildCityObjectsCount(); i++) {
transformRecursive(obj.getChildCityObject(i), transformation);
}
for (unsigned int i = 0; i < obj.getImplicitGeometryCount(); i++) {
transformRecursive(obj.getImplicitGeometry(i), transformation);
}
for (unsigned int i = 0; i < obj.getGeometriesCount(); i++) {
transform(obj.getGeometry(i), transformation);
}
}
bool LineStringElementParser::parseChildElementEndTag(const NodeType::XMLNode& node, const std::string& characters)
{
if (m_model == nullptr) {
throw std::runtime_error("LineStringElementParser::parseChildElementEndTag called before LineStringElementParser::parseElementStartTag");
}
if (node == NodeType::GML_PosListNode
|| node == NodeType::GML_PosNode) {
if (m_model->getDimensions() < 0) {
CITYGML_LOG_ERROR(m_logger, "No srsDimension given for LineString before or as attribute of <" << NodeType::GML_PosListNode << "> child element at " << getDocumentLocation());
} else if (m_model->getDimensions() == 2) {
m_model->setVertices2D(parseVecList<TVec2d>(characters, m_logger, getDocumentLocation()));
} else if (m_model->getDimensions() == 3) {
m_model->setVertices3D(parseVecList<TVec3d>(characters, m_logger, getDocumentLocation()));
} else {
CITYGML_LOG_WARN(m_logger, "Unsupported dimension of LineString positions at " << getDocumentLocation() << ". Only 2 and 3 dimensions are supported.");
}
return true;
}
return GMLObjectElementParser::parseChildElementEndTag(node, characters);
}
bool GMLFeatureCollectionElementParser::parseChildElementStartTag(const NodeType::XMLNode& node, Attributes& attributes)
{
if (getFeatureObject() == nullptr) {
throw std::runtime_error("Invalid call to GMLFeatureCollectionElementParser::parseChildElementStartTag");
}
if (node == NodeType::GML_LowerCornerNode
|| node == NodeType::GML_UpperCornerNode
|| node == NodeType::GML_BoundedByNode) {
return true;
} else if (node == NodeType::GML_EnvelopeNode) {
if (m_sourceSRSOverride) {
return true;
}
if (m_bounds != nullptr) {
CITYGML_LOG_WARN(m_logger, "Duplicate definition of " << NodeType::GML_EnvelopeNode << " at " << getDocumentLocation());
return true;
}
m_bounds = new Envelope(attributes.getAttribute("srsName"));
return true;
}
return GMLObjectElementParser::parseChildElementStartTag(node, attributes);
}
void PolygonManager::addPolygon(std::shared_ptr<Polygon> poly)
{
if (m_sharedPolygons.count(poly->getId()) > 0) {
CITYGML_LOG_WARN(m_logger, "Duplicate definition of Polygon with id '" << poly->getId() << "'... overwriting existing object.");
}
m_sharedPolygons[poly->getId()] = poly;
}
void GeoCoordinateTransformer::transformRecursive_helper(ImplicitGeometry& obj, GeoTransform& transformation) {
TVec3d referencePoint = obj.getReferencePoint();
if (transformation.valid()) {
transformation.transform(referencePoint);
obj.setReferencePoint(referencePoint);
obj.setSRSName(m_destinationSRS);
} else {
CITYGML_LOG_WARN(m_logger, "No valid spatial reference system is given for ImplicitGeometry with id '" << obj.getId() << "'. Reference Point is not transformed.");
}
// Do not transform the geometry of an ImplicitGeometry object. Implicit Geometries share Geometry objects but each implicit geometry
// defines its own transformation on the vertices of the shared geometry. Hence those vertices are in a local coordinate system. Read
// the citygml documentation for more details.
//for (unsigned int i = 0; i < obj.getGeometriesCount(); i++) {
// transform(obj.getGeometry(i), transformation);
//}
}
void PolygonManager::finish()
{
CITYGML_LOG_INFO(m_logger, "Start processing polygon requests (" << m_polygonRequests.size() << ").");
for (const PolygonRequest& request : m_polygonRequests) {
auto it = m_sharedPolygons.find(request.polygonID);
if (it == m_sharedPolygons.end()) {
CITYGML_LOG_WARN(m_logger, "Geometry object with id '" << request.target->getId() << "' requests Polygon with id '" << request.polygonID << "' but no such"
<< " Polygon object exists.");
continue;
}
request.target->addPolygon(it->second);
}
m_sharedPolygons.clear();
m_polygonRequests.clear();
CITYGML_LOG_INFO(m_logger, "Finished processing polygon requests.");
}
void CALLBACK Tesselator::endCallback( void* userData )
{
Tesselator *tess = static_cast<Tesselator*>(userData);
unsigned int len = tess->_curIndices.size();
switch ( tess->_curMode )
{
case GL_TRIANGLES:
for ( unsigned int i = 0; i < len; i++ ) tess->_outIndices.push_back( tess->_curIndices[i] );
break;
case GL_TRIANGLE_FAN:
case GL_TRIANGLE_STRIP:
{
unsigned int first = tess->_curIndices[0];
unsigned int prev = tess->_curIndices[1];
assert(first < tess->_vertices.size());
assert(prev < tess->_vertices.size());
for ( unsigned int i = 2; i < len; i++ )
{
if ( tess->_curMode == GL_TRIANGLE_FAN || i%2 == 0 ) tess->_outIndices.push_back( first );
tess->_outIndices.push_back( prev );
if ( tess->_curMode == GL_TRIANGLE_STRIP )
{
if ( i%2 == 1) tess->_outIndices.push_back( first );
first = prev;
}
prev = tess->_curIndices[i];
tess->_outIndices.push_back( prev );
}
}
break;
default:
CITYGML_LOG_WARN(tess->_logger, "Tesselator: non-supported GLU tesselator primitive " << tess->_curMode);
}
tess->_curIndices.clear();
}
void GeoCoordinateTransformer::transformToDestinationSRS(CityModel* model) {
CITYGML_LOG_WARN(m_logger, "Coordinate transformation to " << m_destinationSRS << " requested, but libcitygml was build without GDAL. The coordinates will not be transformed.");
}
void LinearRing::removeDuplicateVertices(const std::vector<TextureTargetDefinition*>& targets, std::shared_ptr<CityGMLLogger> logger )
{
// Currently TextureCoordinates sharing via xlink is not supported (every TextureTargetDefinition is the
// sole owner of its TextureCoordinate objects... if this ever changes use an unordered_set for the texture coordinates
std::vector<std::shared_ptr<TextureCoordinates>> coordinatesList;
bool textureCoordinatesVerticesMismatch = false;
for (auto& texTarget : targets) {
for (unsigned int i = 0; i < texTarget->getTextureCoordinatesCount(); i++) {
auto texCoords = texTarget->getTextureCoordinates(i);
if (texCoords->targets(*this)) {
coordinatesList.push_back(texCoords);
if (m_vertices.size() != texCoords->getCoords().size()) {
CITYGML_LOG_WARN(logger, "Number of vertices in LinearRing with id '" << this->getId() << "' (" <<
m_vertices.size() << ") does not match with number of texture coordinates in coordinates list "
<< " with id '" << texCoords->getId() << "' (" << texCoords->getCoords().size() << ")");
textureCoordinatesVerticesMismatch = true;
}
}
}
}
// Remove duplicated vertex
unsigned int len = m_vertices.size();
if ( len < 2 ) return;
unsigned int i = 0;
while ( i < m_vertices.size() && m_vertices.size() > 2 )
{
if ( ( m_vertices[i] - m_vertices[ ( i + 1 ) % m_vertices.size() ] ).sqrLength() <= DBL_EPSILON )
{
m_vertices.erase( m_vertices.begin() + i );
for (auto coordinates : coordinatesList) {
coordinates->eraseCoordinate(i);
}
} else {
i++;
}
}
#ifndef NDEBUG
// Check integrity after duplicate removel... no need when the input was already corrupted
if (textureCoordinatesVerticesMismatch) {
return;
}
for (auto coordinates : coordinatesList) {
if (coordinates->getCoords().size() != m_vertices.size()) {
CITYGML_LOG_ERROR(logger, "Broken implementation. Duplicate vertex removal in LinearRing with id '" << this->getId()
<< "' caused a mismatch of texture coordinates in coordinates list with id '" << coordinates->getId()
<< "' (" << m_vertices.size() << " != " <<coordinates->getCoords().size() << ")");
}
}
#endif
}
bool CityObjectElementParser::parseChildElementEndTag(const NodeType::XMLNode& node, const std::string& characters)
{
if (m_model == nullptr) {
throw std::runtime_error("CityObjectElementParser::parseChildElementEndTag called before CityObjectElementParser::parseElementStartTag");
}
initializeAttributesSet();
if ( node == NodeType::GEN_StringAttributeNode
|| node == NodeType::GEN_DoubleAttributeNode
|| node == NodeType::GEN_IntAttributeNode
|| node == NodeType::GEN_DateAttributeNode
|| node == NodeType::GEN_UriAttributeNode) {
m_lastAttributeName = "";
return true;
} else if (node == NodeType::GEN_ValueNode) {
if (!m_lastAttributeName.empty()) {
m_model->setAttribute(m_lastAttributeName, characters);
} else {
CITYGML_LOG_WARN(m_logger, "Found value node (" << NodeType::GEN_ValueNode << ") outside attribute node... ignore.");
}
return true;
} else if (attributesSet.count(node.typeID()) > 0) {
if (!characters.empty()) {
m_model->setAttribute(node.name(), characters);
}
return true;
} else if (node == NodeType::BLDG_BoundedByNode
|| node == NodeType::BLDG_OuterBuildingInstallationNode
|| node == NodeType::BLDG_InteriorBuildingInstallationNode
|| node == NodeType::BLDG_InteriorFurnitureNode
|| node == NodeType::BLDG_RoomInstallationNode
|| node == NodeType::BLDG_InteriorRoomNode
|| node == NodeType::BLDG_OpeningNode
|| node == NodeType::APP_AppearanceNode
|| node == NodeType::APP_AppearanceMemberNode
|| node == NodeType::BLDG_Lod1MultiCurveNode
|| node == NodeType::BLDG_Lod1MultiSurfaceNode
|| node == NodeType::BLDG_Lod1SolidNode
|| node == NodeType::BLDG_Lod1TerrainIntersectionNode
|| node == NodeType::BLDG_Lod2GeometryNode
|| node == NodeType::BLDG_Lod2MultiCurveNode
|| node == NodeType::BLDG_Lod2MultiSurfaceNode
|| node == NodeType::BLDG_Lod2SolidNode
|| node == NodeType::BLDG_Lod2TerrainIntersectionNode
|| node == NodeType::BLDG_Lod3GeometryNode
|| node == NodeType::BLDG_Lod3MultiCurveNode
|| node == NodeType::BLDG_Lod3MultiSurfaceNode
|| node == NodeType::BLDG_Lod3SolidNode
|| node == NodeType::BLDG_Lod3TerrainIntersectionNode
|| node == NodeType::BLDG_Lod4GeometryNode
|| node == NodeType::BLDG_Lod4MultiCurveNode
|| node == NodeType::BLDG_Lod4MultiSurfaceNode
|| node == NodeType::BLDG_Lod4SolidNode
|| node == NodeType::BLDG_Lod4TerrainIntersectionNode
|| node == NodeType::GEN_Lod1GeometryNode
|| node == NodeType::GEN_Lod2GeometryNode
|| node == NodeType::GEN_Lod3GeometryNode
|| node == NodeType::GEN_Lod4GeometryNode
|| node == NodeType::GEN_Lod1TerrainIntersectionNode
|| node == NodeType::GEN_Lod2TerrainIntersectionNode
|| node == NodeType::GEN_Lod3TerrainIntersectionNode
|| node == NodeType::GEN_Lod4TerrainIntersectionNode
|| node == NodeType::GEN_Lod1ImplicitRepresentationNode
|| node == NodeType::GEN_Lod2ImplicitRepresentationNode
|| node == NodeType::GEN_Lod3ImplicitRepresentationNode
|| node == NodeType::GEN_Lod4ImplicitRepresentationNode
|| node == NodeType::VEG_Lod1ImplicitRepresentationNode
|| node == NodeType::VEG_Lod2ImplicitRepresentationNode
|| node == NodeType::VEG_Lod3ImplicitRepresentationNode
|| node == NodeType::VEG_Lod4ImplicitRepresentationNode
|| node == NodeType::CORE_ExternalReferenceNode
|| node == NodeType::BLDG_ConsistsOfBuildingPartNode
|| node == NodeType::FRN_Lod1GeometryNode
|| node == NodeType::FRN_Lod1TerrainIntersectionNode
|| node == NodeType::FRN_Lod1ImplicitRepresentationNode
|| node == NodeType::FRN_Lod2GeometryNode
|| node == NodeType::FRN_Lod2TerrainIntersectionNode
|| node == NodeType::FRN_Lod2ImplicitRepresentationNode
|| node == NodeType::FRN_Lod3GeometryNode
|| node == NodeType::FRN_Lod3TerrainIntersectionNode
|| node == NodeType::FRN_Lod3ImplicitRepresentationNode
|| node == NodeType::FRN_Lod4GeometryNode
|| node == NodeType::FRN_Lod4TerrainIntersectionNode
|| node == NodeType::FRN_Lod4ImplicitRepresentationNode
|| node == NodeType::CORE_GeneralizesToNode
|| node == NodeType::GML_MultiPointNode
|| node == NodeType::GRP_GroupMemberNode
|| node == NodeType::GRP_ParentNode
|| node == NodeType::LUSE_Lod1MultiSurfaceNode
|| node == NodeType::LUSE_Lod2MultiSurfaceNode
|| node == NodeType::LUSE_Lod3MultiSurfaceNode
|| node == NodeType::LUSE_Lod4MultiSurfaceNode
|| node == NodeType::DEM_ReliefComponentNode
|| node == NodeType::GEN_Lod0GeometryNode
|| node == NodeType::GEN_Lod0ImplicitRepresentationNode
|| node == NodeType::GEN_Lod0TerrainIntersectionNode
|| node == NodeType::TRANS_Lod0NetworkNode
|| node == NodeType::TRANS_TrafficAreaNode
|| node == NodeType::TRANS_AuxiliaryTrafficAreaNode
|| node == NodeType::TRANS_Lod1MultiSurfaceNode
|| node == NodeType::TRANS_Lod2MultiSurfaceNode
|| node == NodeType::TRANS_Lod3MultiSurfaceNode
|| node == NodeType::TRANS_Lod4MultiSurfaceNode
|| node == NodeType::WTR_Lod0MultiCurveNode
|| node == NodeType::WTR_Lod0MultiSurfaceNode
|| node == NodeType::WTR_Lod1MultiCurveNode
|| node == NodeType::WTR_Lod1MultiSurfaceNode
|| node == NodeType::WTR_Lod1SolidNode
|| node == NodeType::WTR_Lod2SolidNode
|| node == NodeType::WTR_Lod3SolidNode
|| node == NodeType::WTR_Lod4SolidNode
|| node == NodeType::WTR_Lod2SurfaceNode
|| node == NodeType::WTR_Lod3SurfaceNode
|| node == NodeType::WTR_Lod4SurfaceNode
|| node == NodeType::WTR_BoundedByNode) {
return true;
}
return GMLFeatureCollectionElementParser::parseChildElementEndTag(node, characters);
}