- IFC: add support for reading IfcProperties as node metadata.

pull/21/head
Alexander Gessler 2013-03-28 23:28:49 +01:00
parent cded602950
commit 03b8431d54
4 changed files with 7704 additions and 7326 deletions

View File

@ -251,7 +251,7 @@ void IFCImporter::InternReadFile( const std::string& pFile,
// tell the reader for which types we need to simulate STEPs reverse indices // tell the reader for which types we need to simulate STEPs reverse indices
static const char* const inverse_indices_to_track[] = { static const char* const inverse_indices_to_track[] = {
"ifcrelcontainedinspatialstructure", "ifcrelaggregates", "ifcrelvoidselement", "ifcstyleditem" "ifcrelcontainedinspatialstructure", "ifcrelaggregates", "ifcrelvoidselement", "ifcreldefinesbyproperties", "ifcpropertyset", "ifcstyleditem"
}; };
// feed the IFC schema into the reader and pre-parse all lines // feed the IFC schema into the reader and pre-parse all lines
@ -584,6 +584,69 @@ void ProcessProductRepresentation(const IfcProduct& el, aiNode* nd, std::vector<
AssignAddedMeshes(meshes,nd,conv); AssignAddedMeshes(meshes,nd,conv);
} }
typedef std::map<std::string, std::string> Metadata;
void ProcessMetadata(uint64_t relDefinesByPropertiesID, ConversionData& conv, Metadata& properties);
// ------------------------------------------------------------------------------------------------
void ProcessMetadata(uint64_t relDefinesByPropertiesID, ConversionData& conv, Metadata& properties)
{
if (const IfcRelDefinesByProperties* const pset = conv.db.GetObject(relDefinesByPropertiesID)->ToPtr<IfcRelDefinesByProperties>()) {
if (const IfcPropertySet* const set = conv.db.GetObject(pset->RelatingPropertyDefinition->GetID())->ToPtr<IfcPropertySet>()) {
BOOST_FOREACH(const IfcProperty& property, set->HasProperties) {
if (const IfcPropertySingleValue* const singleValue = property.ToPtr<IfcPropertySingleValue>()) {
if (singleValue->NominalValue) {
if (const EXPRESS::STRING* str = singleValue->NominalValue.Get()->ToPtr<EXPRESS::STRING>()) {
std::string value = static_cast<std::string>(*str);
properties[property.Name]=value;
}
else if (const EXPRESS::REAL* val = singleValue->NominalValue.Get()->ToPtr<EXPRESS::REAL>()) {
float value = static_cast<float>(*val);
std::stringstream s;
s << value;
properties[property.Name]=s.str();
}
else if (const EXPRESS::INTEGER* val = singleValue->NominalValue.Get()->ToPtr<EXPRESS::INTEGER>()) {
int64_t value = static_cast<int64_t>(*val);
std::stringstream s;
s << value;
properties[property.Name]=s.str();
}
}
}
else if (const IfcPropertyListValue* const listValue = property.ToPtr<IfcPropertyListValue>()) {
std::stringstream ss;
ss << "[";
unsigned index=0;
BOOST_FOREACH(const IfcValue::Out& v, listValue->ListValues) {
if (!v) continue;
if (const EXPRESS::STRING* str = v->ToPtr<EXPRESS::STRING>()) {
std::string value = static_cast<std::string>(*str);
ss << "'" << value << "'";
}
else if (const EXPRESS::REAL* val = v->ToPtr<EXPRESS::REAL>()) {
float value = static_cast<float>(*val);
ss << value;
}
else if (const EXPRESS::INTEGER* val = v->ToPtr<EXPRESS::INTEGER>()) {
int64_t value = static_cast<int64_t>(*val);
ss << value;
}
if (index+1<listValue->ListValues.size()) {
ss << ",";
}
index++;
}
ss << "]";
properties[property.Name]=ss.str();
}
else {
properties[property.Name]="";
}
}
}
}
}
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
aiNode* ProcessSpatialStructure(aiNode* parent, const IfcProduct& el, ConversionData& conv, std::vector<TempOpening>* collect_openings = NULL) aiNode* ProcessSpatialStructure(aiNode* parent, const IfcProduct& el, ConversionData& conv, std::vector<TempOpening>* collect_openings = NULL)
{ {
@ -609,6 +672,40 @@ aiNode* ProcessSpatialStructure(aiNode* parent, const IfcProduct& el, Conversion
nd->mName.Set(el.GetClassName()+"_"+(el.Name?el.Name.Get():"Unnamed")+"_"+el.GlobalId); nd->mName.Set(el.GetClassName()+"_"+(el.Name?el.Name.Get():"Unnamed")+"_"+el.GlobalId);
nd->mParent = parent; nd->mParent = parent;
// check for node metadata
STEP::DB::RefMapRange children = refs.equal_range(el.GetID());
if (children.first!=refs.end()) {
Metadata properties;
if (children.first==children.second) {
// handles single property set
ProcessMetadata((*children.first).second, conv, properties);
}
else {
// handles multiple property sets (currently all propertysets are merged,
// which may not be the best solution in the long run)
for (STEP::DB::RefMap::const_iterator it=children.first; it!=children.second; ++it) {
ProcessMetadata((*it).second, conv, properties);
}
}
if (!properties.empty()) {
aiMetadata* data = new aiMetadata();
data->mNumProperties = properties.size();
data->mKeys = new aiString*[data->mNumProperties]();
data->mValues = new aiString*[data->mNumProperties]();
unsigned int i = 0;
BOOST_FOREACH(const Metadata::value_type& kv, properties) {
data->mKeys[i] = new aiString(kv.first);
if (kv.second.length() > 0) {
data->mValues[i] = new aiString(kv.second);
}
++i;
}
nd->mMetaData = data;
}
}
if(el.ObjectPlacement) { if(el.ObjectPlacement) {
ResolveObjectPlacement(nd->mTransformation,el.ObjectPlacement.Get(),conv); ResolveObjectPlacement(nd->mTransformation,el.ObjectPlacement.Get(),conv);
} }

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

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@ -101,3 +101,9 @@ IfcUnit
IfcUnitAssignment IfcUnitAssignment
IfcVector IfcVector
IfcIShapeProfileDef IfcIShapeProfileDef
IfcPropertyListValue
IfcRelDefinesByProperties
IfcPropertySet
IfcPropertySingleValue
IfcProperty
IfcElementQuantity