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Generate Many Least Cost Paths (quickly)

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05-23-2011 02:10 PM
GregoryVerutes
New Contributor
I am trying to generate least cost paths for water quality modeling.  I know how to generate a cost surface and utilize the various tools in Spatial Analyst to produce a cost path raster.  The problem is that I need to do this hundreds of times.   The write time for each path raster is about 5-10 secs x hundreds of outputs = too long.  Is there a way (perhaps through matrix overlays?) to generate quick cost paths in order to determine which cells that each least cost path traverses through?

Thanks!
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