Method set_default_style_file

src/ifcgeom/SurfaceStyle.cpp:76–113

}

void IfcGeom::set_default_style_file(const std::string& json_file) {
	if (!default_materials_initialized) InitDefaultMaterials();
	default_materials.clear();

	// @todo this will probably need to be updated for UTF-8 paths on Windows
	pt::ptree root;
	pt::read_json(json_file, root);

	for (pt::ptree::value_type &material_pair : root) {
		std::string name = material_pair.first;
		default_materials.insert(std::make_pair(name, std::make_shared<ifcopenshell::geometry::taxonomy::style>(name)));

		pt::ptree material = material_pair.second;
		boost::optional<pt::ptree&> diffuse = material.get_child_optional("diffuse");
		default_materials[name]->diffuse = read_colour_component(diffuse);

		// @todo Is it necessary to get the surface too?
        // boost::optional<pt::ptree&> surface = material.get_child_optional("surface");
        // default_materials[name]->surface = read_colour_component(surface);

		boost::optional<pt::ptree&> specular = material.get_child_optional("specular");
		default_materials[name]->specular = read_colour_component(specular);

		if (material.get_child_optional("specular-roughness")) {
			default_materials[name]->specularity = 1.0 / material.get<double>("specular-roughness");
		}
		if (material.get_child_optional("transparency")) {
			default_materials[name]->transparency = material.get<double>("transparency");
		}
	}

	// Is "*" present? If yes, remove it and make it the default style.
	auto it = default_materials.find("*");
	if (it != default_materials.end()) {
		default_material = it->second;
		default_materials.erase(it);
	}
}

const ifcopenshell::geometry::taxonomy::style::ptr& IfcGeom::get_default_style(const std::string& s) {
	static std::mutex m;