How to smooth the contour

[Schmidt]

At 11:29 AM 11/4/97 -0700, you wrote:
>I have generated the contours (in vector format) from a raster dem using
>r.contour.
>However, the contour looks ugly without a smoothing process. Does anyone
>know how can I smooth the contour, or how to generate smooth contours from
>a dem in Grass.
>
>Thanks in advance,
>
>Vincent
>**********************************************************************
>Vincent C. Tao
>Geomatics Officer and Research Scientist
>GIS/GPS/Photogrammetry/Remote Sensing
>
>Advanced Computing Business Unit, Alberta Research Council
>6815-8 St., NE, Calgary, Alberta, Canada T2E 7H7
>Voice: (403) 297-7584	Fax: (403) 297-2339
>Homepage: http://skyler.arc.ab.ca/ACE-staff.html
>**********************************************************************
>

One approach that might help: After you turn the DEM into a contour map,
reduce the cell size, then turn the contour back into a DEM. This will
result in an interpolated DEM that you can turn back into a contour map
with, hopefully, smoother lines.

Jim Schmidt
avenues at sonnet.com