Interpolating contour lines

[chicopee]

I am using ACAD 2000 to draw a plan view of a terrain. my existing contour lines were drawn with polylines. I would like to drawn an intermediate elevation countour line without calculating positions(via interpolationg) between two known countour lines. Any idea,please remember LISP in not my forte.

 

[CarlB]

Here's an article & link to a lisp routine, it's for AutoCAD 2004. So might not work in 2000.

http://manufacturing.cadalyst.com/manufacturing/article/articleDetail.jsp?id=180710

 

[chicopee]

CarlB, I can switch to ACAD 2004 if this program does not work with 2000. I have never used LISP, so it is going to be an experience. Thanks to the link.

 

[cvg]

your best bet is to go back to the original data source which I assume is a DTM (TIN) and have the contours re-created with a smaller contour interval.

 

[chicopee]

To the above responders,
Since the elevation of interest is within a narrow 15' range,I copied and retraced topography from USGS for the purpose of determining dam impoundment volume. Note being savy with LISP, I think that an equivalent script program which I am lousy at developing would be better for me to utilise. Unfortunately my programming abilities is only with FORTRAN, BASICS and spreadsheets.

 

[CarlB]

Did you try the referenced lisp routine? To use it you need to know no lisp, just drag & drop the lisp file into the AutoCAD window.