Arguments

prompt  string, optional, command line prompt string to be shown; if omitted, a standard prompt is shown

Return

for a selected main entity : list of (ENAME POINT)
for a selected nested/sub entity : list of (ENAME POINT MATRIX MAIN), MATRIX is the entity-to-world transformation, and MAIN is the root entity containing the selected nested/sub entity
NIL, if nothing was selected

Example

Remarks