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New IfcGeomObjects setting to force alignment of TopoDS_Face normal to CCW orientation

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Removed static Ifc class, renamed to non-static IfcFile. IfcFile renamed to IfcSpfStream
Introduced Logger class
This commit is contained in:
Thomas Krijnen
2012-12-31 14:17:16 +00:00
parent 23450c7c39
commit 22ab3ad06a
22 changed files with 581 additions and 437 deletions
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src/ifcgeom/IfcGeomObjects.cpp
+108 -17
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@@ -51,9 +51,9 @@ bool convert_back_units = false;
bool use_faster_booleans = false;
int IfcGeomObjects::IfcMesh::addvert(const gp_XYZ& p) {
const float X = convert_back_units ? (float) (p.X() / Ifc::LengthUnit) : (float)p.X();
const float Y = convert_back_units ? (float) (p.Y() / Ifc::LengthUnit) : (float)p.Y();
const float Z = convert_back_units ? (float) (p.Z() / Ifc::LengthUnit) : (float)p.Z();
const float X = convert_back_units ? (float) (p.X() / IfcGeom::GetValue(IfcGeom::GV_LENGTH_UNIT)) : (float)p.X();
const float Y = convert_back_units ? (float) (p.Y() / IfcGeom::GetValue(IfcGeom::GV_LENGTH_UNIT)) : (float)p.Y();
const float Z = convert_back_units ? (float) (p.Z() / IfcGeom::GetValue(IfcGeom::GV_LENGTH_UNIT)) : (float)p.Z();
int i = (int) verts.size() / 3;
if ( weld_vertices ) {
const VertKey key = VertKey(X,std::pair<float,float>(Y,Z));
@@ -71,6 +71,8 @@ int IfcGeomObjects::IfcMesh::addvert(const gp_XYZ& p) {
bool use_world_coords = false;
bool use_brep_data = false;
static IfcParse::IfcFile* ifc_file = 0;
IfcGeomObjects::IfcMesh::IfcMesh(int i, const IfcGeom::ShapeList& shapes) {
id = i;
@@ -102,10 +104,10 @@ IfcGeomObjects::IfcMesh::IfcMesh(int i, const IfcGeom::ShapeList& shapes) {
// Triangulate the shape
try {
//BRepTools::Clean(s);
// BRepTools::Clean(s);
BRepMesh::Mesh(s, IfcGeom::GetValue(IfcGeom::GV_DEFLECTION_TOLERANCE));
} catch(...) {
Ifc::LogMessage("Error","Failed to triangulate mesh:",Ifc::EntityById(i)->entity);
Logger::Message(Logger::LOG_ERROR,"Failed to triangulate mesh:",ifc_file->EntityById(i)->entity);
continue;
}
TopExp_Explorer exp;
@@ -401,7 +403,7 @@ IfcGeomObjects::IfcGeomObject* _get() {
IfcGeom::convert_openings(ifc_product,openings,shapes,trsf,opened_shapes);
}
} catch(...) {
Ifc::LogMessage("Error","Error processing openings for:",ifc_product->entity);
Logger::Message(Logger::LOG_ERROR,"Error processing openings for:",ifc_product->entity);
}
if ( use_world_coords ) {
for ( IfcGeom::ShapeList::const_iterator it = opened_shapes.begin(); it != opened_shapes.end(); ++ it ) {
@@ -452,7 +454,8 @@ bool IfcGeomObjects::Next() {
}
std::vector<IfcGeomObjects::IfcObject*> returned_objects;
bool IfcGeomObjects::CleanUp() {
Ifc::Dispose();
// TODO: Correctly implement destructor for IfcFile
delete ifc_file;
IfcGeom::Cache::Purge();
for ( std::vector<IfcGeomObjects::IfcObject*>::const_iterator it = returned_objects.begin();
it != returned_objects.end();
@@ -465,7 +468,7 @@ bool IfcGeomObjects::CleanUp() {
const IfcGeomObjects::IfcObject* IfcGeomObjects::GetObject(int id) {
IfcObject* ifc_object = 0;
try {
const IfcEntity& ifc_entity = Ifc::EntityById(id);
const IfcParse::IfcEntity& ifc_entity = ifc_file->EntityById(id);
if ( ifc_entity->is(Ifc2x3::Type::IfcProduct) ) {
Ifc2x3::IfcProduct::ptr ifc_product = reinterpret_pointer_cast<IfcUtil::IfcBaseClass,Ifc2x3::IfcProduct>(ifc_entity);
int parent_id = -1;
@@ -488,11 +491,93 @@ const IfcGeomObjects::IfcObject* IfcGeomObjects::GetObject(int id) {
const IfcGeomObjects::IfcGeomObject* IfcGeomObjects::Get() {
return current_geom_obj;
}
double UnitPrefixToValue( Ifc2x3::IfcSIPrefix::IfcSIPrefix v ) {
if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_EXA ) return (double) 1e18;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_PETA ) return (double) 1e15;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_TERA ) return (double) 1e12;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_GIGA ) return (double) 1e9;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_MEGA ) return (double) 1e6;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_KILO ) return (double) 1e3;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_HECTO ) return (double) 1e2;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_DECA ) return (double) 1;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_DECI ) return (double) 1e-1;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_CENTI ) return (double) 1e-2;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_MILLI ) return (double) 1e-3;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_MICRO ) return (double) 1e-6;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_NANO ) return (double) 1e-9;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_PICO ) return (double) 1e-12;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_FEMTO ) return (double) 1e-15;
else if ( v == Ifc2x3::IfcSIPrefix::IfcSIPrefix_ATTO ) return (double) 1e-18;
else return 1.0f;
}
void IfcGeomObjects::InitUnits() {
// Set default units, set length to meters, angles to undefined
IfcGeom::SetValue(IfcGeom::GV_LENGTH_UNIT,1.0);
IfcGeom::SetValue(IfcGeom::GV_PLANEANGLE_UNIT,-1.0);
Ifc2x3::IfcUnitAssignment::list unit_assignments = ifc_file->EntitiesByType<Ifc2x3::IfcUnitAssignment>();
IfcUtil::IfcAbstractSelect::list units = IfcUtil::IfcAbstractSelect::list();
if ( unit_assignments->Size() ) {
Ifc2x3::IfcUnitAssignment::ptr unit_assignment = *unit_assignments->begin();
units = unit_assignment->Units();
}
if ( ! units ) {
// No units eh... Since tolerances and deflection are specified internally in meters
// we will try to find another indication of the model size.
Ifc2x3::IfcExtrudedAreaSolid::list extrusions = ifc_file->EntitiesByType<Ifc2x3::IfcExtrudedAreaSolid>();
if ( ! extrusions->Size() ) return;
double max_height = -1.0f;
for ( Ifc2x3::IfcExtrudedAreaSolid::it it = extrusions->begin(); it != extrusions->end(); ++ it ) {
const double depth = (*it)->Depth();
if ( depth > max_height ) max_height = depth;
}
if ( max_height > 100.0f ) IfcGeom::SetValue(IfcGeom::GV_LENGTH_UNIT,0.001);
return;
}
try {
for ( IfcUtil::IfcAbstractSelect::it it = units->begin(); it != units->end(); ++ it ) {
const IfcUtil::IfcAbstractSelect::ptr base = *it;
Ifc2x3::IfcSIUnit::ptr unit = Ifc2x3::IfcSIUnit::ptr();
double value = 1.0f;
if ( base->is(Ifc2x3::Type::IfcConversionBasedUnit) ) {
const Ifc2x3::IfcConversionBasedUnit::ptr u = reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,Ifc2x3::IfcConversionBasedUnit>(base);
const Ifc2x3::IfcMeasureWithUnit::ptr u2 = u->ConversionFactor();
Ifc2x3::IfcUnit u3 = u2->UnitComponent();
if ( u3->is(Ifc2x3::Type::IfcSIUnit) ) {
unit = (Ifc2x3::IfcSIUnit*) u3;
}
Ifc2x3::IfcValue v = u2->ValueComponent();
IfcUtil::IfcArgumentSelect* v2 = (IfcUtil::IfcArgumentSelect*) v;
const double f = *v2->wrappedValue();
value *= f;
} else if ( base->is(Ifc2x3::Type::IfcSIUnit) ) {
unit = reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,Ifc2x3::IfcSIUnit>(base);
}
if ( unit ) {
if ( unit->hasPrefix() ) {
value *= UnitPrefixToValue(unit->Prefix());
}
Ifc2x3::IfcUnitEnum::IfcUnitEnum type = unit->UnitType();
if ( type == Ifc2x3::IfcUnitEnum::IfcUnit_LENGTHUNIT ) {
IfcGeom::SetValue(IfcGeom::GV_LENGTH_UNIT,value);
} else if ( type == Ifc2x3::IfcUnitEnum::IfcUnit_PLANEANGLEUNIT ) {
IfcGeom::SetValue(IfcGeom::GV_PLANEANGLE_UNIT,value);
}
}
}
} catch ( IfcException ex ) {
Logger::Message(Logger::LOG_ERROR,ex.what());
}
}
bool IfcGeomObjects::Init(const std::string fn) {
return IfcGeomObjects::Init(fn, 0, 0);
}
bool _Init() {
shapereps = Ifc::EntitiesByType<Ifc2x3::IfcShapeRepresentation>();
IfcGeomObjects::InitUnits();
shapereps = ifc_file->EntitiesByType<Ifc2x3::IfcShapeRepresentation>();
if ( ! shapereps ) return false;
outer = shapereps->begin();
@@ -506,18 +591,21 @@ bool _Init() {
return true;
}
bool IfcGeomObjects::Init(const std::string fn, std::ostream* log1, std::ostream* log2) {
Ifc::SetOutput(log1,log2);
if ( !Ifc::Init(fn) ) return false;
Logger::SetOutput(log1,log2);
ifc_file = new IfcParse::IfcFile();
if ( !ifc_file->Init(fn) ) return false;
return _Init();
}
bool IfcGeomObjects::Init(std::istream& f, int len, std::ostream* log1, std::ostream* log2) {
Ifc::SetOutput(log1,log2);
if ( !Ifc::Init(f, len) ) return false;
Logger::SetOutput(log1,log2);
ifc_file = new IfcParse::IfcFile();
if ( !ifc_file->Init(f, len) ) return false;
return _Init();
}
bool IfcGeomObjects::Init(void* data, int len) {
Ifc::SetOutput(0,0);
if ( !Ifc::Init(data, len) ) return false;
Logger::SetOutput(0,0);
ifc_file = new IfcParse::IfcFile();
if ( !ifc_file->Init(data, len) ) return false;
return _Init();
}
void IfcGeomObjects::Settings(int setting, bool value) {
@@ -538,7 +626,10 @@ void IfcGeomObjects::Settings(int setting, bool value) {
use_faster_booleans = value;
break;
case SEW_SHELLS:
Ifc::SewShells = value;
IfcGeom::SetValue(IfcGeom::GV_MAX_FACES_TO_SEW,value ? 1000 : -1);
break;
case IfcGeomObjects::FORCE_CCW_FACE_ORIENTATION:
IfcGeom::SetValue(IfcGeom::GV_FORCE_CCW_FACE_ORIENTATION,value ? 1 : -1);
break;
}
}
@@ -546,5 +637,5 @@ int IfcGeomObjects::Progress() {
return 100 * done / total;
}
std::string IfcGeomObjects::GetLog() {
return Ifc::GetLog();
return Logger::GetLog();
}