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Updated Syntax for Raster Calculations

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06-09-2012 09:32 AM
GeoffreyMarcus
New Contributor
Hello,

I'm a current GIS student working on a capstone project at my school. For part of my project, I am doing a watershed analysis. I've been following a slightly older tutorial from '08 to do this and I recently ran into an issue that I can't seem to get around. The tutorial has me "deriving a specific watershed for each point". I've hit the point where I have to use the raster calculator. The syntax the tutorial gives me is: watershed([flowdirection], [pourptgd]). Unfortunately, this seems to be an older syntax and I can't seem to get it to work. I was wondering if anyone had suggestions about what the proper syntax would like for arc10?

Thanks Much
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DanPatterson_Retired
MVP Emeritus
start with the online help files
http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z00000059000000.htm
grid names are now enclosed in double quotes rather than square brackets, otherwise everything is the same
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