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Thank you, it is exactly the function I was looking for!
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06-15-2015
02:18 PM
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536
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Good evening to everyone, I would like to know if it is possible to define as a polygon, an area comprised between other polygons (without selecting each point manually). For example: is it possible to define as a polygon the area of a lake? The land surrounding the lake is made of many polygons, but the area of the lake is not totally surrounded by land (it is not exactly closed)
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06-15-2015
11:18 AM
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0
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4
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2692
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Thank you very much! I managed to do that with ArcScene!
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05-31-2015
05:13 AM
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Hi! I was wondering if it is possible to do the following thing: I have a DTM (with the elevation for each cell) and from this one, through some operations, I have obtained another raster (where only some cells, with certain properties, have a value of 1, while the others have a value of 0). Now I would like to create a raster where, for each cell, both the elevation and the value 0 or 1 are associated. Is it possible? Then I would like to create a 3d model (after having created the TIN from the DTM, of course), where every cell is coloured according to the previous 0-1 values. Is it possible?
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05-30-2015
04:21 PM
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2
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Hi Sephe! Thank you! I think it should work, I will try to use that command!
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05-28-2015
04:59 AM
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722
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I already tried to do that, but the result is like in the slope raster: the only difference is that values are in percent and not in degrees
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05-27-2015
06:18 AM
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722
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Thank you very much. I didn't know about this "reclassify" command. Btw, this actually doesn't solve my problem: I want to identify the slope variations between neighboring cells (for example if there’s a pixel with a slope=45° and the adjacent one with a slope=60°, I would like to detect them), Is there a way to do this?
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05-27-2015
06:08 AM
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Good morning! I am quite new to ArcGIS. Here is my problem: I have created a DTM and its relative "Slope map" (using the "slope" command from the Spatial analyst tool). I would like to create a slope variation map now, starting from this "slope map", in order to detect where there is a variation larger than 10°(which means that sudden and big variations can be found there). I have tried this “block statistics” command, calculating the Standard Deviation of 3x3 cells blocks. I have tried also to calculate the “range” of these blocks but the result differs a lot from the previous one, of course. My question is: are there other commands or other ways to calculate this slope variation? And, in general, are there other commands with which it is possible to make calculation and operations on the cells belonging to a raster? Thanks in advance
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05-27-2015
02:29 AM
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