Deletes an element from a topology.
(tpm_editdelelem tpm_id elem_id [delobjs])
Returns T or nil.
| tpm_id | Topology ID (real) |
| elem_id | Element ID (real) |
| delobjs | T or nil: T Delete object from the drawing also nil Delete object from the topology only |
This function deletes elements from a topology. It does not erase corresponding entities in the drawing unless the delobjs argument is T.
Warning Deleting an element can cause other deletions.
- If you delete a node, you delete any link or polygon that contains it.
- If you delete a link, you delete only the nodes belonging to that link. If the link belongs to one polygon only, you delete the polygon. If the link is shared by two polygons, you merge the polygons.
- If you delete a polygon, you delete any node or link belonging to that polygon only.