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Thanks for the reply - I will be giving this a try too!
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10-06-2015
11:33 AM
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The reclassification I think has solved my problem!! I was doing something similar to what you typed out in the Raster Calculator but I keep getting a syntax error. I think I'll stick with the reclassification! Thanks a bunch!!
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10-05-2015
04:56 PM
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here's a screenshot. it's the 32 bit floating point type.
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10-05-2015
04:39 PM
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Thanks for the reply! I did type the expression out (I'm aware of the pitfalls with typing instead of selecting from the lists... grrr) and I was wondering if that was the problem. I don't fully understand the raster calculator - i can select the raster of consequence (aspect_dem14) but I do not understand what to choose from the right side column. Within the raster, there's a field called Class Value but I don't see where to select it. I've never used this tool before
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10-05-2015
02:43 PM
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I'm trying to extract only a certain value from a raster and display that as a new layer - I'm working with an Aspect raster derived from a DEM and want to select only Southwest (Class Value = 6) facing cells for display in a new layer. I'm using the Extract by Attributes tool under the Spatial Analyst set. Input raster is my aspect raster, for the SQL builder I was trying the following "CLASS VALUE" = '6' (class value is a field that comes up when using the Identify tool on the layer). It won't complete the process and gives me error 999999 [error executing function] The Table was not Found A column was specified that does not exist Cannot acquire a lock No Spatial reference exists, Error 010213 Error 010325 Error 010067 Any idea why it won't complete/what steps I need to take to provide whatever information is missing? I have used the SQL builder a lot for vector data but not on raster data without an attribute table.
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10-05-2015
02:19 PM
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