Going off on a tangent...

Discussion in 'AutoCAD' started by jim.dowthwaite, Dec 10, 2004.

  1. jim.dowthwaite

    jim.dowthwaite Guest

    Hello all,

    Does anyone know an easy way to draw a line (with VBA) tangent to the
    top and bottom of two circles? I know what to do, the only problem is
    that there are too many variables in the equation.

    Information available:
    Where both circles are located
    The diameter of both circles

    What can change:
    Both diameters can change
    Both centers can change
    The x and y distances between circles can change

    Here's a really crude picture of what I'm looking for:

    O\o
    Any math whiz kids out there?

    Thanks in advance,

    Jim Dowthwaite
     
    jim.dowthwaite, Dec 10, 2004
    #1
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