Feature for creating and manipulating Technical Drawing Part Views makeCosmeticVertex(p1) - add a CosmeticVertex at p1 (View coordinates). Returns index of created vertex. getCosmeticVertexByIndex(idx) - returns CosmeticVertx[idx]. removeCosmeticVertex(idx) - remove CosmeticVertex[idx] from View. Returns None. clearCosmeticVertices() - remove all CosmeticVertices from the View. Returns nothing. makeCosmeticLine(p1, p2) - add a CosmeticEdge from p1 to p2(View coordinates). Returns index of created edge. makeCosmeticCircle(center, radius) - add a CosmeticEdge at center with radius radius(View coordinates). Returns index of created edge. makeCosmeticCircleArc(center, radius, start, end) - add a CosmeticEdge at center with radius radius(View coordinates) from start angle to end angle. Returns index of created edge. getCosmeticEdgeByIndex(idx) - returns CosmeticEdge[idx]. removeCosmeticEdge(idx) - remove CosmeticEdge[idx] from View. Returns None. clearCosmeticEdges() - remove all CosmeticLines from the View. Returns nothing. clearCenterLines() - remove all CenterLines from the View. Returns nothing. clearGeomFormats() - remove all GeomFormats from the View. Returns nothing.