From ee1e9b4aec40df78e13b62d459659ea637b84ed9 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sun, 27 Sep 2020 11:51:00 +0200
Subject: [PATCH] --force-space-transparency

---
 src/ifcgeom/IfcGeomFunctions.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/ifcgeom/IfcGeomFunctions.cpp b/src/ifcgeom/IfcGeomFunctions.cpp
index abbbe3d0a3..8bf5fd1489 100644
--- a/src/ifcgeom/IfcGeomFunctions.cpp
+++ b/src/ifcgeom/IfcGeomFunctions.cpp
@@ -1854,6 +1854,18 @@ IfcGeom::BRepElement<P, PP>* IfcGeom::Kernel::create_brep_for_representation_and
 		representation_id_builder << "-material-" << single_material->data().id();
 	}
 
+	if (settings.force_space_transparency() >= 0. && product->declaration().is("IfcSpace")) {
+		for (auto& s : shapes) {
+			if (s.hasStyle()) {
+				for (auto& p : style_cache) {
+					if (&p.second == &s.Style()) {
+						p.second.Transparency() = settings.force_space_transparency();
+					}
+				}
+			}
+		}
+	}
+
 	int parent_id = -1;
 	try {
 		IfcUtil::IfcBaseEntity* parent_object = get_decomposing_entity(product);