ArcThreePointsA example (Python)

ArcThreePointsA example (Python)
 1# this example creates an arc 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    # move to the origin of the active block
15    ab.move_ad(0, 0)
16
17    # create two vectors for the mid point and end point
18    midPoint = None
19    try:
20        midPoint = impact.creator.vector()
21    except Exception as exc:
22        pass
23    impact.gui.output_toolbox.add(f"Failed to create object via impact.creator.vector(): {exc}")
24    endPoint = None
25    try:
26        endPoint = impact.creator.vector()
27    except Exception as exc:
28        pass
29    impact.gui.output_toolbox.add(f"Failed to create object via impact.creator.vector(): {exc}")
30
31    midPoint.X = 100
32    midPoint.Y = 0
33
34    endPoint.X = 50
35    endPoint.Y = 50
36
37    # create the arc
38    ab.arc_three_points_a(midPoint, endPoint)