+
+boost::shared_ptr<GeomAPI_Pnt> SketchPlugin_Sketch::to3D(const double theX, const double theY)
+{
+ boost::shared_ptr<GeomDataAPI_Point> aC =
+ boost::dynamic_pointer_cast<GeomDataAPI_Point>(data()->attribute(SKETCH_ATTR_ORIGIN));
+ boost::shared_ptr<GeomDataAPI_Dir> aX =
+ boost::dynamic_pointer_cast<GeomDataAPI_Dir>(data()->attribute(SKETCH_ATTR_DIRX));
+ boost::shared_ptr<GeomDataAPI_Dir> aY =
+ boost::dynamic_pointer_cast<GeomDataAPI_Dir>(data()->attribute(SKETCH_ATTR_DIRY));
+
+ boost::shared_ptr<GeomAPI_XYZ> aSum = aC->pnt()->xyz()->added(
+ aX->dir()->xyz()->multiplied(theX))->added(aY->dir()->xyz()->multiplied(theY));
+
+ return boost::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aSum));
+}
+
+bool SketchPlugin_Sketch::isPlaneSet()
+{
+ boost::shared_ptr<GeomDataAPI_Dir> aNormal =
+ boost::dynamic_pointer_cast<GeomDataAPI_Dir>(data()->attribute(SKETCH_ATTR_NORM));
+
+ return aNormal && !(aNormal->x() == 0 && aNormal->y() == 0 && aNormal->z() == 0);
+}