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The clip did not work still. It clipped the right area, but would not create a attribute table. The zonal histogram did however finally give me the table I wanted. At least I have something that works for the mean time so I can get some work done. Thanks again!
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07-12-2011
09:04 AM
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In my case clip doesn't work because I am trying to extract from a raster. I have also tried a semi work around by from my shapefile creating a graphic. With the graphic selected going to my raster and selecting export, extent, selected graphics (clipping). Too bad my attribute table then contained information for the whole raster...ie the whole state, instead of area I just clipped. In my case I am trying to extract the area of land use within a designated area that I have shape files for. I need the layer to be a raster and have an attribute table so I can then calculate each land use % by the number of pixels of each type.
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07-08-2011
08:50 AM
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I don't see any reply to this one...I assume no one knows how to fix it? I have tried several different ways and I can't get anything to work. I hate to complain, but half the processes I used in 9.3 no longer work correctly. I frequently get no attribute tables after processes.
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07-08-2011
07:11 AM
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Yes. When I created the raster layer I made it the same coordinate system. Ok restart of the computer and closing the program it let me create the attribute table. Still a pain though. Now not only does it take twice as long to run the extraction tool, but then it doesn't add the layer to my map. After I go search for it and add it to my map then I have to change the symbology to unique values and make it create the attribute table...all of which was automatic in 9.3.
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03-14-2011
08:49 AM
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Using Arc 9.3 I was able to extract the area of the raster I am using with a mask I have made from a shapefile. When I do this in 10 it no longer automatically adds the layer to my map and the layer is missing an attribute table. If I go to symbology and click on unique values it asks me if I would like to create an attribute table and if I click yes it does nothing. So basically I try and extract a polygon area from the raster and then I need that extracted area to have an attibute table so I can calculate different statistics of that extracted area.
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03-11-2011
09:01 AM
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