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More work on enabling cgal kernel

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This commit is contained in:
Thomas Krijnen
2019-01-18 15:19:00 +01:00
parent d804575974
commit 16d6420352
19 changed files with 174 additions and 107 deletions
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src/ifcgeom_schema_agnostic/Kernel.cpp
+54 -12
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@@ -5,14 +5,14 @@
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
IfcGeom::Kernel::Kernel(IfcParse::IfcFile* file) {
IfcGeom::Kernel::Kernel(const std::string& geometry_library, IfcParse::IfcFile* file) {
if (file != 0) {
if (file->schema() == 0) {
throw IfcParse::IfcException("No schema associated with file");
}
const std::string& schema_name = file->schema()->name();
implementation_ = impl::kernel_implementations().construct(schema_name, file);
implementation_ = impl::kernel_implementations().construct(schema_name, geometry_library, file);
}
}
@@ -48,23 +48,27 @@ IfcGeom::impl::KernelFactoryImplementation& IfcGeom::impl::kernel_implementation
return impl;
}
extern void init_KernelImplementation_Ifc2x3(IfcGeom::impl::KernelFactoryImplementation*);
extern void init_KernelImplementation_Ifc4(IfcGeom::impl::KernelFactoryImplementation*);
extern void init_KernelImplementation_opencascade_Ifc2x3(IfcGeom::impl::KernelFactoryImplementation*);
extern void init_KernelImplementation_opencascade_Ifc4(IfcGeom::impl::KernelFactoryImplementation*);
extern void init_KernelImplementation_cgal_Ifc2x3(IfcGeom::impl::KernelFactoryImplementation*);
extern void init_KernelImplementation_cgal_Ifc4(IfcGeom::impl::KernelFactoryImplementation*);
IfcGeom::impl::KernelFactoryImplementation::KernelFactoryImplementation() {
init_KernelImplementation_Ifc2x3(this);
init_KernelImplementation_Ifc4(this);
init_KernelImplementation_opencascade_Ifc2x3(this);
init_KernelImplementation_opencascade_Ifc4(this);
init_KernelImplementation_cgal_Ifc2x3(this);
init_KernelImplementation_cgal_Ifc4(this);
}
void IfcGeom::impl::KernelFactoryImplementation::bind(const std::string& schema_name, IfcGeom::impl::kernel_fn fn) {
void IfcGeom::impl::KernelFactoryImplementation::bind(const std::string& schema_name, const std::string& geometry_library, IfcGeom::impl::kernel_fn fn) {
const std::string schema_name_lower = boost::to_lower_copy(schema_name);
this->insert(std::make_pair(schema_name_lower, fn));
this->insert(std::make_pair(std::make_pair(schema_name_lower, geometry_library), fn));
}
IfcGeom::Kernel* IfcGeom::impl::KernelFactoryImplementation::construct(const std::string& schema_name, IfcParse::IfcFile* file) {
IfcGeom::Kernel* IfcGeom::impl::KernelFactoryImplementation::construct(const std::string& schema_name, const std::string& geometry_library, IfcParse::IfcFile* file) {
const std::string schema_name_lower = boost::to_lower_copy(schema_name);
std::map<std::string, IfcGeom::impl::kernel_fn>::const_iterator it;
it = this->find(schema_name_lower);
std::map<std::pair<std::string, std::string>, IfcGeom::impl::kernel_fn>::const_iterator it;
it = this->find(std::make_pair(schema_name_lower, geometry_library));
if (it == end()) {
throw IfcParse::IfcException("No geometry kernel registered for " + schema_name);
}
@@ -216,4 +220,42 @@ bool IfcGeom::Kernel::is_manifold(const TopoDS_Shape& a) {
return true;
}
}
}
namespace {
template <typename Schema>
IfcEntityList::ptr find_openings_helper(typename Schema::IfcProduct* product) {
typename IfcEntityList::ptr openings(new IfcEntityList);
if (product->declaration().is(Schema::IfcElement::Class()) && !product->declaration().is(Schema::IfcOpeningElement::Class())) {
typename Schema::IfcElement* element = (typename Schema::IfcElement*)product;
openings = element->HasOpenings()->generalize();
}
// Is the IfcElement a decomposition of an IfcElement with any IfcOpeningElements?
typename Schema::IfcObjectDefinition* obdef = product->as<typename Schema::IfcObjectDefinition>();
for (;;) {
auto decomposes = obdef->Decomposes()->generalize();
if (decomposes->size() != 1) break;
typename Schema::IfcObjectDefinition* rel_obdef = (*decomposes->begin())->as<typename Schema::IfcRelAggregates>()->RelatingObject();
if (rel_obdef->declaration().is(Schema::IfcElement::Class()) && !rel_obdef->declaration().is(Schema::IfcOpeningElement::Class())) {
typename Schema::IfcElement* element = (typename Schema::IfcElement*)rel_obdef;
openings->push(element->HasOpenings()->generalize());
}
obdef = rel_obdef;
}
return openings;
}
}
IfcEntityList::ptr IfcGeom::Kernel::find_openings(IfcUtil::IfcBaseEntity* inst) {
if (inst->as<Ifc2x3::IfcProduct>()) {
return find_openings_helper<Ifc2x3>(inst->as<Ifc2x3::IfcProduct>());
} else if (inst->as<Ifc4::IfcProduct>()) {
return find_openings_helper<Ifc4>(inst->as<Ifc4::IfcProduct>());
} else {
throw IfcParse::IfcException("Unexpected entity " + inst->declaration().name());
}
}