Back to SDS/2 Parametric Scripts

from point import Point, PointLocate

from param import Prompt

## ConsMidPt.py Version 1.00

## Copyright (c) 2006 Bruce Vaughan, BV Detailing & Design, Inc.

## All rights reserved.

## NOT FOR SALE. The software is provided "as is" without any warranty.

############################################################################

"""

Add two perpendicular construction lines at the true midpoint between two points

"""

from cons_line import ConsLine

def midpt(p1, p2):

return Point((p2.x-p1.x)/2+p1.x, (p2.y-p1.y)/2+p1.y, (p2.z-p1.z)/2+p1.z)

def gridAdd(pt, r, cons_color="Cyan"):

# construction line begin

cl2 = ConsLine()

cl2.pt1 = pt

cl2.angle = r

cl2.pen = cons_color

cl2.add()

# construction line end

while True:

pt1 = PointLocate("Pick First Point for Midpoint")

if not pt1:

break

else:

pt2 = PointLocate("Pick Second Point for Midpoint")

r = Prompt(0.0, "Enter Cons Line Angle")

gridAdd(midpt(pt1, pt2), r)

gridAdd(midpt(pt1, pt2), r+90.0)