[GRASS-user] r.mapcalc: compare two maps [RESOLVED]

[Rich Shepard]

On Thu, 30 Mar 2017, Laurent C. wrote:

> You can create a new vector map and create a line that link the two
> points. However, r.carve will interpolate the elevation between the start
> point and the end point.

Laurent,

   If my visual interpretation of the output (detail of culvert attached) is
correct, this new DEM (with metric elevations) is suitable for input to
Itzi. The culvert depth is clearly less than the road surface.

Thanks,

Rich
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