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Rewritten library to use code generated from IFC2X3_TC1.exp

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This commit is contained in:
Thomas Krijnen
2011-07-25 14:56:40 +00:00
parent 75c26a34e1
commit 9b36321861
30 changed files with 20753 additions and 340 deletions
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src/ifcparse/IfcGeomObjects.cpp
+48 -59
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@@ -35,8 +35,6 @@
#include "../ifcparse/IfcGeomObjects.h"
#include "../ifcparse/IfcGeom.h"
#include "../ifcparse/IfcEnum.h"
#include "../ifcparse/IfcTypes.h"
// Welds vertices that belong to different faces
int IfcGeomObjects::IfcMesh::addvert(gp_Pnt p) {
@@ -47,7 +45,7 @@ int IfcGeomObjects::IfcMesh::addvert(gp_Pnt p) {
verts.push_back(X);
verts.push_back(Y);
verts.push_back(Z);
int i = welds.size();
int i = (int) welds.size();
welds[key] = i;
return i;
}
@@ -60,7 +58,7 @@ IfcGeomObjects::IfcMesh::IfcMesh(int i, TopoDS_Shape s) {
BRepTools::Clean(s);
BRepMesh::Mesh(s,0.001f);
} catch(...) {
std::cout << "[Error] Failed to triangulate IFC Entity #" << i << std::endl;
Ifc::LogMessage("Error","Failed to triangulate mesh");
return;
}
TopExp_Explorer exp;
@@ -117,21 +115,21 @@ IfcGeomObjects::IfcGeomObject::IfcGeomObject( const std::string& n, const std::s
}
// A container and iterator for IfcShapeRepresentations
IfcEntities shapereps;
IfcParse::Entities::it outer;
Ifc2x3::IfcShapeRepresentation::list shapereps;
Ifc2x3::IfcShapeRepresentation::it outer;
// The triangulated shape is stored globally because it can be used by multiple IfcBuildingElements
IfcGeomObjects::IfcMesh* shape;
// The compound shape is stored globally because multiple IfcShapeRepresentations
// can have IfcBuildingElements with different IfcOpeningElements
TopoDS_Compound shapes;
TopoDS_Shape shapes;
// The object is fetched beforehand to be positive an entity actually exists
IfcGeomObjects::IfcGeomObject* currentGeomObj;
// A container and iterator for IfcBuildingElements for the current IfcShapeRepresentation referenced by *outer
IfcEntities entities;
IfcParse::Entities::it inner;
Ifc2x3::IfcProduct::list entities;
Ifc2x3::IfcProduct::it inner;
bool use_world_coords;
int done;
@@ -150,74 +148,61 @@ void _nextShape() {
// Returns the current IfcGeomObject*
IfcGeomObjects::IfcGeomObject* _get() {
while ( true ) {
IfcEntity shaperep;
Ifc2x3::IfcShapeRepresentation::ptr shaperep;
// Have we reached the end of our list of representations?
if ( outer == shapereps->end() ) {
shapereps.reset();
return 0;
}
shaperep = *outer;
// Has the list of IfcProducts for this representation been initialized?
if ( ! entities ) {
const std::string arg1 = *(*shaperep)[1];
if ( arg1 != "Body" ) {
if ( shaperep->RepresentationIdentifier() != "Body" ) {
_nextShape();
continue;
}
#ifdef _DEBUG
std::cout << shaperep->toString() << std::endl;
#endif
// Find the IfcBuildingElements that refer to the current IfcShapeRepresentation
entities = shaperep->parents(IfcSchema::Enum::IfcProductDefinitionShape)->parents();
entities->push(shaperep->parents(IfcSchema::Enum::IfcProductRepresentation)->parents()); // 2x2 compatibility
entities->push(shaperep->parents(IfcSchema::Enum::IfcRepresentationMap)->parents(IfcSchema::Enum::IfcMappedItem)
->parents(IfcSchema::Enum::IfcShapeRepresentation,1,"Body")->parents(IfcSchema::Enum::IfcProductDefinitionShape)->parents());
entities->push(shaperep->parents(IfcSchema::Enum::IfcRepresentationMap)->parents(IfcSchema::Enum::IfcMappedItem)
->parents(IfcSchema::Enum::IfcShapeRepresentation,1,"Body")->parents(IfcSchema::Enum::IfcProductRepresentation)->parents());
Ifc2x3::IfcProductRepresentation::list prodreps = shaperep->OfProductRepresentation();
entities = Ifc2x3::IfcProduct::list( new IfcTemplatedEntityList<Ifc2x3::IfcProduct>() );
for ( Ifc2x3::IfcProductRepresentation::it it = prodreps->begin(); it != prodreps->end(); ++it ) {
if ( (*it)->is(Ifc2x3::Type::IfcProductDefinitionShape) ) {
Ifc2x3::IfcProductDefinitionShape::ptr pds = reinterpret_pointer_cast<Ifc2x3::IfcProductRepresentation,Ifc2x3::IfcProductDefinitionShape>(*it);
entities->push(pds->ShapeOfProduct());
}
}
// Does this representation have any IfcProducts?
if ( ! entities->Size() ) {
_nextShape();
continue;
}
inner = entities->begin();
}
// Have we reached the end of our list of IfcProducts?
if ( inner == entities->end() ) {
_nextShape();
continue;
}
// Has the TopoDS_Shape been created for this representation?
if ( shapes.IsNull() ) {
BRep_Builder builder;
builder.MakeCompound (shapes);
bool hasShapes = false;
IfcEntities l = ((IfcSchema::ShapeRepresentation*)shaperep.get())->Shapes();
for( IfcParse::Entities::it it = l->begin(); it != l->end(); ++ it ) {
const IfcEntity ifcshape = *it;
if ( ifcshape->type == IfcSchema::Enum::IfcMappedItem ) continue;
TopoDS_Shape ss;
if ( IfcGeom::convert_shape(ifcshape,ss) && ! ss.IsNull() ) {
builder.Add(shapes,ss);
hasShapes = true;
#ifdef _DEBUG
std::cout << ifcshape->toString() << std::endl;
#endif
}
}
if ( ! hasShapes || shapes.IsNull() ) {
if ( !IfcGeom::convert_shape(shaperep,shapes) ) {
_nextShape();
continue;
}
}
Ifc2x3::IfcProduct::ptr entity = *inner;
const std::string guid = entity->GlobalId();
IfcSchema::BuildingElement* entity = (IfcSchema::BuildingElement*)(*inner).get();
#ifdef _DEBUG
std::cout << entity->toString() << std::endl;
#endif
const std::string guid = entity->Guid();
gp_Trsf trsf;
try {
IfcGeom::convert((IfcSchema::LocalPlacement*)(entity->Placement().get()),trsf);
} catch( IfcParse::IfcException& e ) {std::cout << "[Error] " << e.what() << std::endl; _nextShape(); }
IfcEntities openings = IfcEntities();
if ( entity->type != IfcSchema::Enum::IfcOpeningElement ) {
openings = entity->parents(IfcSchema::Enum::IfcRelVoidsElement);
IfcGeom::convert(entity->ObjectPlacement(),trsf);
} catch (...) {}
// Does the IfcElement have any IfcOpenings?
Ifc2x3::IfcRelVoidsElement::list openings = Ifc2x3::IfcRelVoidsElement::list();
if ( entity->is(Ifc2x3::Type::IfcElement) ) {
Ifc2x3::IfcElement::ptr element = reinterpret_pointer_cast<Ifc2x3::IfcProduct,Ifc2x3::IfcElement>(entity);
openings = element->HasOpenings();
}
if ( (openings && openings->Size()) || use_world_coords ) {
@@ -225,19 +210,21 @@ IfcGeomObjects::IfcGeomObject* _get() {
TopoDS_Shape temp_shape (shapes);
try {
if (openings && openings->Size()) IfcGeom::convert_openings(entity,openings,temp_shape,trsf);
} catch( IfcParse::IfcException& e ) {std::cout << "[Warning] " << e.what() << std::endl; }
catch(StdFail_NotDone&) { std::cout << "[Error] Unknown modelling processing openings for:" << std::endl << entity->toString() << std::endl; }
} catch( IfcParse::IfcException& e ) {Ifc::LogMessage("Warning",e.what()); }
catch(...) { Ifc::LogMessage("Error","Error processing openings for:",entity->entity); }
if ( use_world_coords ) {
shape = new IfcGeomObjects::IfcMesh(shaperep->id,temp_shape.Moved(trsf));
shape = new IfcGeomObjects::IfcMesh(shaperep->entity->id(),temp_shape.Moved(trsf));
trsf = gp_Trsf();
} else {
shape = new IfcGeomObjects::IfcMesh(shaperep->id,temp_shape);
shape = new IfcGeomObjects::IfcMesh(shaperep->entity->id(),temp_shape);
}
} else if ( ! shape ) {
shape = new IfcGeomObjects::IfcMesh(shaperep->id,shapes);
shape = new IfcGeomObjects::IfcMesh(shaperep->entity->id(),shapes);
}
return new IfcGeomObjects::IfcGeomObject(guid, entity->Datatype(), trsf, shape);
return new IfcGeomObjects::IfcGeomObject(guid, Ifc2x3::Type::ToString(entity->type()), trsf, shape);
}
}
extern bool IfcGeomObjects::Next() {
@@ -249,6 +236,7 @@ extern bool IfcGeomObjects::Next() {
if ( ! currentGeomObj ) {
delete shape;
Ifc::Dispose();
IfcGeom::Cache::Purge();
return false;
} else {
return true;
@@ -257,11 +245,12 @@ extern bool IfcGeomObjects::Next() {
extern const IfcGeomObjects::IfcGeomObject* IfcGeomObjects::Get() {
return currentGeomObj;
}
extern bool IfcGeomObjects::Init(char* fn, bool world_coords) {
extern bool IfcGeomObjects::Init(char* fn, bool world_coords, std::ostream* log) {
if ( log ) Ifc::SetOutput(log);
use_world_coords = world_coords;
if ( !Ifc::Init(fn) ) return false;
shapereps = Ifc::EntitiesByType(IfcSchema::Enum::IfcShapeRepresentation);
shapereps = Ifc::EntitiesByType<Ifc2x3::IfcShapeRepresentation>();
if ( ! shapereps ) return false;
outer = shapereps->begin();
@@ -272,7 +261,7 @@ extern bool IfcGeomObjects::Init(char* fn, bool world_coords) {
done = 0;
total = shapereps->Size();
return 1;
return true;
}
extern int IfcGeomObjects::Progress() {
return 100 * done / total;