Exract contour

Discussion in 'AutoCAD' started by powellg, Jan 25, 2005.

  1. powellg

    powellg Guest

    I have a large data set of 1m and 5m contours.
    (polylines with 'Z' elevations)
    I would like to extract certain polylines with elevations into a new drawing set.
    For example Elev. 5m / 10m / 20m
    Does anyone have any lisp routines to do this.
    Thanks in advance.
    Autocad MAP / R2002
    G. Powell
     
    powellg, Jan 25, 2005
    #1
  2. powellg

    TCEBob Guest

    Not yet, but I've been thinking about it.

    A simple ssget filter would not work, I think. One could select a bunch of
    contours and run through them one at a time, accepting those whose (rem elev 10)
    = 0. Or not, and delete the ones that don't fit.

    Hold on, I'm gonna give it a try.

    rs
     
    TCEBob, Jan 25, 2005
    #2
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