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I think that the error isn't with the data so much as with the symbology of the first tile. That is, it has to be in the way that the tile is being rendered with a colour ramp. The reason I say this is that I downloaded the data you linked to and displayed the tiles in a different software package and this is what I got: You'll notice that the 'Error' ...


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You could reproduce the toolbox yourself pretty trivially: the parameters are described in that documentation and the source for zip.py and unzip.py are both online.


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Actually the problem is not really coming from the display properties. In fact, even changing the streched symbology I still have the same error. The error come from the reading of the data by arcgis. When opening a .asc with notepad, we can see that a default value is set for nodata. In my case the default value was : -9999 (see first picture below). I ...


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Use a spatial join but a ONE TO MANY relationship. So if a square intersects say 3 hexagons then you get 3 squares back one for each hexagon. Then use the Summary statistics tool to group by square ID and select MAXIMUM hexagon area and first hexagon ID. This creates a table of square ID, maximum area of hexagon and hexagon ID. Then its a sequence of joins ...


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For those who want to do this in 10.2, this modification of above worked for me: # Import system modules import sys import string import os import arcgisscripting # Create the Geoprocessor object gp = arcgisscripting.create(10.2) # Load required toolboxes... gp.AddToolbox("C:/Program Files (x86)/arcgis/Desktop10.2/ArcToolbox/Toolboxes/Data Management ...



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