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Thanks Melita, this is good to know. I am going to try to ask the source of the data because it is very unclear what the data is supposed to be.
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11-07-2011
03:41 AM
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Thanks Eric, that is great information and very helpful. I noticed in the other thread you mentioned that she should set her snap raster to the original one she was using. I just used default environment settings. Should I set the snap raster in the environment settings to match the original raster? I also have a clipped version that I was using because it loads faster. Thanks again!
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11-04-2011
09:19 AM
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I have a raster dataset that is supposed to be in the Equidistant Cylindrical projection - but when I import it, it is also in decimal degrees. I have searched through all the projections available in an attempt to define this correctly, but can't seem to find something appropriate. Equidistant Cylindrical (and it's equivalents like Plate Caree) seem to all have linear units of meters. Is there an appropriate projection for this? Thanks!
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11-04-2011
05:10 AM
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I have a raster dataset of water depths and am trying to find the mean depth within a polygon. I know to use the Zonal Statistics, and that works. But, my polygon is a blob shape resulting in some cells being completely inside, while others are just barely inside. My question is whether the Zonal Statistics takes this into account. Is the mean it gives me weighted based on how much of certain cells are within the polygon? Or is every cell that overlaps with the polygon (even if just a small corner) weighed the same in the calculation? Thanks!
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11-04-2011
05:04 AM
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