read_set_object

'read_set_object': read the data on the 'set_object' interface
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 data=read_set_object(handles)
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OUTPUT
data: structure of data read on the set_object interface
    .Style : style of projection object
    .Coord(nbpos,3): set of coordinates defining the object position;
    .ProjMode=type of projection ;
    .Phi=angle of projection;
    .DX,.DY,.DZ=increments;
    .YMax,YMin: min and max Y
INPUT:
 handles: structure describing the tags of the edit boxes and menus
menus