Selection of graphic entities
h = CL_g_select(root,typ,tag)
Selects graphic entities according to 2 criteria: type of graphic entity and tag (user_data value).
(optional) Root of the hierarchy of graphic entities to be examined. Can also be an array of handles. Default = current axes (gca()).
(optional) Type (string) of graphic entity: "Polyline", "Text", "Legend", etc... Default is '*', meaning 'all'.
(optional) User_data value (see CL_g_tag). Default is '*', meaning 'any value'.
Vector of the selected graphic entities.
CNES - DCT/SB (AL)