Circle example

Circle example
 1# this example creates a circle 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    # create some local variables for offset, radius, etc.
15    offset = impact.creator.vector(100,100)
16    radius = 50
17    start_angle = 45
18    anti_clockwise = 0
19
20    # move to the origin of the active block
21    ab.move_ad(0, 0)
22
23    # create a circle
24    ab.circle(offset, radius, start_angle, anti_clockwise)
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