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Start from project instead of unit assignment #5074

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This commit is contained in:
Thomas Krijnen
2024-07-25 10:23:12 +02:00
parent 8b29e50f11
commit 91f4427bb5
1 changed files with 14 additions and 4 deletions
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src/ifcgeom/mapping/mapping.cpp
+14 -4
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@@ -697,12 +697,22 @@ void mapping::initialize_units_() {
angle_unit_ = -1.;
length_unit_name_ = "METER";
auto unit_assignments = file_->instances_by_type<IfcSchema::IfcUnitAssignment>();
if (unit_assignments->size() != 1) {
Logger::Warning("Not a single unit assignment in file");
#ifdef SCHEMA_HAS_IfcContext
auto projects = file_->instances_by_type<IfcSchema::IfcContext>();
#else
auto projects = file_->instances_by_type<IfcSchema::IfcProject>();
#endif
IfcSchema::IfcUnitAssignment* unit_assignment = nullptr;
if (projects->size() == 1) {
auto* project = *projects->begin();
unit_assignment = project->UnitsInContext();
} else {
Logger::Warning("Not a single project or context in file");
}
if (unit_assignment == nullptr) {
Logger::Warning("Unable to detect unit information");
return;
}
auto unit_assignment = *unit_assignments->begin();
bool length_unit_encountered = false, angle_unit_encountered = false;