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Hi John, thanks for the reply. The split polygons tool does not work, giving the message "No polygons were split. Ensure the selected features form contignous rings and overlap the polygons". The polylines are indeed not forming continous rings in many cases, e.g. because they end at the end of my study area. David
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09-18-2013
07:21 AM
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Hi Tim, thank you very much, I didn't know feature to polygon had this capability. Basically it does what I wanted. However, both, the tool itself and the toolbox, cut the resulting polygons into numerous parts. Is there a way to suppres this tiling? David
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09-18-2013
07:05 AM
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Dear MBoucher21, thank you very much, your answer helped me a lot. Steps 2 and 3 of your approach did not work well in my case, because the resulting line had many small intersections. As an alternative, I used the "contour"-tool with the "dem1 minus dem2" result as input, "0" as base contour, and an interval high enough to make sure no other contours are drawn. Kind regards, David
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09-18-2013
01:56 AM
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Hi, is it possible to cut each polygon in a polygon-shapefile automatically by features from a polyline-shapefile (ArcGIS 10.1, ArcInfo license)? In my example, I have a polygon-shapefile of glaciers (about 2000) and want to cut it at the ELA, which I have as a polyline, in order to retirieve accumulation and ablation areas for each glacier. I have found several older threads on similar problems but no approach that worked without cutting each polygon by hand (which is not an option). Kind regards, David
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09-18-2013
01:42 AM
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Hello, I'd like to automatically create a line feature at the intersection of 2 DEMs. One DEM represents earth's surface, the other the snowline. The result should be a line feature that shows the snowline as it runs along the mountain slopes. Any suggestions on how to achieve this would be greatly appreciated. Cheers, David
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08-07-2013
12:45 AM
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