[GRASS-user] How to create DEM from shp file?

[Ardiansyah]

I need suggestions.

I used v.to.rast to convert vector in shp file. I assigned one colomn 
(elevation) in database as value of  pixels.
It works well. Then to make it surface, I use r.surf.contour and it took 
very long time (more than 5 hours) until I finally
canceled it.

Question : How long the r.surf.contour is running normally ?
How to make certain resolution in that command. I want my DEM map will 
have 30mx30m resolution as landsat image.

Thank you all..

Ard

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