IndoorGML Geometry2D

[hlg]

IndoorGML cell spaces can also be represented by 2D geometry instead of 3D geometry, hence a surface instead of a solid. This is apparently mentioned in a comment, but not implemented.

val3dity/src/input.cpp

Lines 755 to 774 in 7e3c679

	// IndoorCell* cell = new IndoorCell(theid, duality);
	//-- get the geometry, either Solid or Surface
	s = NS["indoorgml"] + "cellSpaceGeometry";
	Solid* sol;
	for (pugi::xml_node child : cs.children(s.c_str()))
	{
	s = NS["indoorgml"] + "Geometry3D";
	for (pugi::xml_node child2 : child.children(s.c_str()))
	{
	s = NS["gml"] + "Solid";
	for (pugi::xml_node child3 : child2.children(s.c_str()))
	{
	// std::cout << "Solid: " << child3.attribute("gml:id").value() << std::endl;
	sol = process_gml_solid(child3, dallpoly, tol_snap, errs);
	if (sol->get_id() == "")
	sol->set_id("MISSING_ID");
	// cell->add_primitive(sol);
	}
	}
	}

Would be great to be able to validate these as well, even though there is less room for errors with 2D geometry. Here are adjusted test files for reference: igml_v1_2D.gml.txt, igml_v2_2D.gml.txt

[hugoledoux]

Since val3dity is for 3D validation, I indeed didn't work on that.

Maybe I'll implement it, it shouldn't be too difficult indeed (GEOS is already used internally).