Added try/catch around 3D mesh generation

mapview/3D/floorplan/FloorplanRendererModel.h

@@ -87,13 +87,13 @@ public:
 
 	void rebuild(Floorplan::IndoorMap* im) {
 
-		// rebuild the mesh
-		Ray3D::ModelFactory fac(im);
-		mesh = fac.getMesh();
-
 		triaTransp.clear();
 		triaSolid.clear();
 
+		// rebuild the mesh
+		try {
+			Ray3D::ModelFactory fac(im);
+			mesh = fac.getMesh();
 			for (const Ray3D::Obstacle3D& obs : mesh.elements) {
 				const int matID = getMaterial(obs);
 				const Material& mat = mats[matID];
@@ -106,7 +106,10 @@ public:
 					}
 				}
 			}
-
+		}
+		catch(const std::exception& e) {
+			std::cout << "Can't create 3D view. Failed to get mesh from model factory with error: '" << e.what() << "'" << std::endl;
+		}
 	}
 
 };