ArcThreePointsA example

ArcThreePointsA example
 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    mid_point = impact.creator.vector()
19    end_point = impact.creator.vector()
20
21    mid_point.x = 100
22    mid_point.y = 0
23
24    end_point.x = 50
25    end_point.y = 50
26
27    # create the arc
28    ab.arc_three_points_a(mid_point, end_point)