Smoothing in Topo to Raster

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03-05-2014 07:51 PM
RobinLee1
New Contributor
Hi guys,

I've been doing some surface interpolation with the Topo to Raster function in ArcGIS and I had a few questions I was hoping someone could help with. The data I am using is relatively noisy and potentially overconstrained and so the surface I have produced has come out somewhat "bumpy". I was hoping to smooth this out a bit but I wasn't entirely sure what changes to make to the settings. I imagine that it will be the Roughness penalty and/or Profile curvature roughness penalty options which would make the difference but I wasn't exactly sure what values to use either. Any help/advice would be greatly appreciated.

Regards
Robin
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RonFisher
New Contributor II

Try changing the value in the Discretisation error factor tab within Topo to Raster.

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