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Calculate and store min. and max. placements IfcGeom::Iterator. Implement --center-model for OBJ.

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This commit is contained in:
Stinkfist0
2016-03-17 23:25:53 +02:00
parent 76d3823bd4
commit 562f38756f
4 changed files with 53 additions and 42 deletions
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src/ifcgeom/IfcGeomIterator.h
+29 -1
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@@ -113,6 +113,8 @@ namespace IfcGeom {
std::string unit_name;
// double?
P unit_magnitude;
gp_XYZ bounds_min_;
gp_XYZ bounds_max_;
void initUnits() {
IfcSchema::IfcProject::list::ptr projects = ifc_file->entitiesByType<IfcSchema::IfcProject>();
@@ -251,6 +253,28 @@ namespace IfcGeom {
done = 0;
total = representations->size();
for (int i = 1; i < 4; ++i) {
bounds_min_.SetCoord(i, std::numeric_limits<double>::infinity());
bounds_max_.SetCoord(i, -std::numeric_limits<double>::infinity());
}
IfcSchema::IfcProduct::list::ptr products = ifc_file->entitiesByType<IfcSchema::IfcProduct>();
for (IfcSchema::IfcProduct::list::it iter = products->begin(); iter != products->end(); ++iter) {
IfcSchema::IfcProduct* product = *iter;
if (product->hasObjectPlacement()) {
gp_Trsf trsf; // Use a fresh trsf every time in order to prevent the result to be concatenated
if (kernel.convert(product->ObjectPlacement(), trsf)) {
const gp_XYZ& pos = trsf.TranslationPart();
bounds_min_.SetX(std::min(bounds_min_.X(), pos.X()));
bounds_min_.SetY(std::min(bounds_min_.Y(), pos.Y()));
bounds_min_.SetZ(std::min(bounds_min_.Z(), pos.Z()));
bounds_max_.SetX(std::max(bounds_max_.X(), pos.X()));
bounds_max_.SetY(std::max(bounds_max_.Y(), pos.Y()));
bounds_max_.SetZ(std::max(bounds_max_.Z(), pos.Z()));
}
}
}
return true;
}
@@ -294,6 +318,9 @@ namespace IfcGeom {
include_entities_in_processing = false;
}
const gp_XYZ& bounds_min() const { return bounds_min_; }
const gp_XYZ& bounds_max() const { return bounds_max_; }
private:
// Move to the next IfcRepresentation
void _nextShape() {
@@ -484,7 +511,8 @@ namespace IfcGeom {
unit_magnitude = 1.f;
kernel.setValue(IfcGeom::Kernel::GV_MAX_FACES_TO_SEW, settings.get(IteratorSettings::SEW_SHELLS) ? 1000 : -1);
kernel.setValue(IfcGeom::Kernel::GV_DIMENSIONALITY, (settings.get(IteratorSettings::INCLUDE_CURVES) ? (settings.get(IteratorSettings::EXCLUDE_SOLIDS_AND_SURFACES) ? -1. : 0.) : +1.));
kernel.setValue(IfcGeom::Kernel::GV_DIMENSIONALITY, (settings.get(IteratorSettings::INCLUDE_CURVES)
? (settings.get(IteratorSettings::EXCLUDE_SOLIDS_AND_SURFACES) ? -1. : 0.) : +1.));
}
bool owns_ifc_file;