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This commit is contained in:
Thomas Krijnen
2023-03-21 20:15:01 +01:00
parent cfb0eda067
commit c78b2893de
194 changed files with 105325 additions and 7785 deletions
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src/ifcgeom/mapping/IfcExtrudedAreaSolid.cpp
+19 -68
View File
@@ -17,91 +17,42 @@
* *
********************************************************************************/
#include <gp_Vec.hxx>
#include <gp_Dir.hxx>
#include <gp_Trsf.hxx>
#include <BRepPrimAPI_MakePrism.hxx>
#include "../ifcgeom/IfcGeom.h"
// uncomment if you'd like negative or close to zero extrusion depths to succeed
// #define PERMISSIVE_EXTRUSION
#define Kernel MAKE_TYPE_NAME(Kernel)
#include "mapping.h"
#define mapping POSTFIX_SCHEMA(mapping)
using namespace ifcopenshell::geometry;
bool IfcGeom::Kernel::convert(const IfcSchema::IfcExtrudedAreaSolid* l, TopoDS_Shape& shape) {
const double height = l->Depth() * getValue(GV_LENGTH_UNIT);
if (height < getValue(GV_PRECISION)) {
Logger::Message(Logger::LOG_ERROR, "Non-positive extrusion height encountered for:", l);
taxonomy::item* mapping::map_impl(const IfcSchema::IfcExtrudedAreaSolid* inst) {
const double height = inst->Depth() * length_unit_;
if (height < conv_settings_.getValue(ConversionSettings::GV_PRECISION)) {
Logger::Message(Logger::LOG_ERROR, "Non-positive extrusion height encountered for:", inst);
#ifndef PERMISSIVE_EXTRUSION
return false;
return nullptr;
#endif
}
TopoDS_Shape face;
if ( !convert_face(l->SweptArea(),face) ) return false;
gp_Trsf trsf;
taxonomy::matrix4 matrix;
bool has_position = true;
#ifdef SCHEMA_IfcSweptAreaSolid_Position_IS_OPTIONAL
has_position = l->Position() != nullptr;
has_position = inst->Position() != nullptr;
#endif
if (has_position) {
IfcGeom::Kernel::convert(l->Position(), trsf);
matrix = as<taxonomy::matrix4>(map(inst->Position()));
}
#ifdef PERMISSIVE_EXTRUSION
if (abs(height) < getValue(GV_PRECISION)) {
shape = face;
if (has_position && !shape.IsNull()) {
// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
// and therefore has a unit scale factor
shape.Move(trsf);
}
return true;
face->matrix = matrix;
return face;
}
#endif
gp_Dir dir;
convert(l->ExtrudedDirection(),dir);
shape.Nullify();
/*
// @nb This logic was probably flawed always as this does not by itself result in a valid compsolid...
if (face.ShapeType() == TopAbs_COMPOUND) {
// For compounds (most likely the result of a IfcCompositeProfileDef)
// create a compound solid shape.
TopExp_Explorer exp(face, TopAbs_FACE);
TopoDS_CompSolid compound;
BRep_Builder builder;
builder.MakeCompSolid(compound);
int num_faces_extruded = 0;
for (; exp.More(); exp.Next(), ++num_faces_extruded) {
builder.Add(compound, BRepPrimAPI_MakePrism(exp.Current(), height*dir));
}
if (num_faces_extruded) {
shape = compound;
}
}
*/
if (shape.IsNull()) {
shape = BRepPrimAPI_MakePrism(face, height*dir);
}
if (has_position && !shape.IsNull()) {
// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
// and therefore has a unit scale factor
shape.Move(trsf);
}
return !shape.IsNull();
return new taxonomy::extrusion(
matrix,
as<taxonomy::face>(map(inst->SweptArea())),
as<taxonomy::direction3>(map(inst->ExtrudedDirection())),
height
);
}