qgis SAGA fill

[Tom]

Hi. I'm working on a heavy karst-ified DEM model trying to automate filling sinkholes.
Am using SAGA in qgis 2.0 but can't find examples on specifics, like slope number to use. Also, I think I have to do a better job of prepping the DEM for hillshade.

Any suggestions?
Tom

SAGA has several fill methods

http://www.saga-gis.org/saga_modules_doc/ta_preprocessor/index.html

Flat Detection
Sink Drainage Route Detection
Sink Removal
Fill Sinks (Planchon/Darboux, 2001)
Fill Sinks (Wang & Liu)
Fill Sinks XXL (Wang & Liu

[Matt Perry]

I've had good luck with terraflow in GRASS :
http://grass.osgeo.org/grass64/manuals/r.terraflow.html

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Matthew T. Perry

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