GetVisibleExtents example (Python)

GetVisibleExtents example (Python)
 1# this example gets the extents of visible entities in the active block
 2
 3# check there is an active drawing
 4if impact.active_drawing.isNone():
 5
 6    # display a message in the output toolbox
 7    impact.gui.output_toolbox.add("Unable to continue: there is no active drawing")
 8
 9else:
10
11    # create a local variable for the active block
12    ab = impact.active_drawing.active_layer.active_block
13
14    # get the extents
15    extents = ab.get_visible_extents()
16
17    # display the result in the output toolbox
18    impact.gui.output_toolbox.add(extents.to_string())