added floorplan support for object-sizing

added floorplan support for different wall-heights
minor fixes/changes

wifi/estimate/ray3/Obstacle3.h

@@ -38,6 +38,14 @@ namespace Ray3D {
 		/** ctor */
 		Obstacle3D(Type type, Floorplan::Material mat) : type(type), mat(mat) {;}
 
+		/** scaled copy */
+		Obstacle3D scaled(const Point3 scale) const {
+			Obstacle3D copy = *this;
+			for (Triangle3& tria : copy.triangles) {
+				tria *= scale;
+			}
+			return copy;
+		}
 
 		/** translated copy */
 		Obstacle3D translated(const Point3 pos) const {