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Yes Melita, I'm sorted, simple error, my mistake, thanks for checking
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07-03-2017
12:48 PM
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Thanks Dan for swift response, I set +ve latitude for Southern Hemisphere, my error
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07-01-2017
09:54 AM
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I am trying to digitize an old map. The projection is Lambert Conical Orthomorphic, It is a southern hemisphere map I georeference the map (it is a scanned image, I've tried various projections) it appears to georeferecnce OK. But when I try to digitize various features as a layer, the digitised vector layers are (flipped over and spun thru 180 degrees). Advice desperately wanted, Anyone have any ideas? thanks
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07-01-2017
06:26 AM
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Gabriel, thank you, will investigate surface inormation
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04-28-2015
12:00 AM
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I'm not sure which tool to use. I've a DTM based on a 50cm grid and a polygon vector layer, I wish to extract the maximum value from the DTM layer for each polygon and insert into a column (MaxZ) in the vector layer. Could somebody advise the best tool to use?
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04-26-2015
12:16 AM
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I need a little guidance/ help. I've two DSMs of the same area taken on different dates showing major erosion. I want to calculate the volume of material lost (old DSM minus new DSM). The surface volume tool assumes a flat plain for the second surface. Any ideas world be appreciated. thanks David
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03-21-2015
03:06 PM
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DAK, is it possible to display the ArcMAP Data view and the ArcMAP layout view simultaneously in different windows?
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12-11-2014
03:59 AM
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Sorry it's such a basic problem. I've a shape file with around 15million rows and around 20 columns. I want to extract a subset (50k rows) of this data based on geographic location. (i.e if it occures inside a predifined area). Every method I try ArcGIS closes down. (I've 10.1 on win 7 and 9.3 on XP). Could some kind soul advise me the best way to proceed? TIA
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01-09-2013
06:05 AM
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