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Alex, You can try "Extract Multi Values to Point" in the spatial analyst toolbox. This will populate a field in the point attribute table with the corresponding cell value from one or more raster sets. Not sure if this is exactly what you need, but at least it will get values from a raster into a vector point feature class. Hope this helps, Jay
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03-28-2013
11:16 AM
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Leapfrog3D looks amazing. I'm sure it would do the trick. However getting anyone around here to purchase new software is a nightmare. You said it was expensive? They do not list a price on their website so I'll get in contact with a sales representative and see what we can work out. Since this is our only current project where 3D modeling is required I fear I may not be able to justify the purchase. I may have to find a work around. Thanks for your help and suggestions so far.
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10-04-2011
08:32 AM
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Thanks Jakub, I need to both visually represent the data and provide a volume of the contaminated soil. I thought of the "layer cake" method at first when I was told there would be samples derived from many different depths for each boring. But as the project progressed I learned that these results (from each depth) can be represented with a 2D map, and once the final depth at which contamination can be detected is determined for each boring I will then use that measurement to create the the 3D model. From your response it seems I may have to have a meeting with the project manager and tell him that this is not as cut and dried as I had hoped. I am still optimistic that I can create a 3D surface using final depth as the Z field and determine the volume of plume that way, but I may need much more data than the client has provided for me.
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10-03-2011
09:13 AM
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Hi. I have a project where a client wants a 3D model of a soil contamination plume, and they want a volume measurement of the amount of contaminated soil. No one at my company has used 3D analyst before, and I have been a GIS analyst for all of 3 months so I am hoping someone out there can point me in the right direction. We have an ArcView license with a 3D extension. The field technicians are taking a GPS reading at each sample location as well as elevation (above a known benchmark), contamination concentration readings at several depths (2', 4', 9'), and a final depth at which the contamination is no longer detectable. I can create maps of the various contamination levels in ArcMap, but the 3D model of the plume is trickier. My idea is to use the spatial analyst kriging tool in ArcMap to create a raster from the final depths. Then I turn that raster into a TIN in ArcScene. Then have the depth_TIN float below a TIN I created from the elevation data. At this point I assume I can use a volume tool to obtain the volume inside (or above the Depth_TIN and below the elevation_TIN) of the "plume" I created. If anyone knows of a more accurate or efficient method, or sees a missing step please let me know. Any and all help greatly appreciated, Thanks J
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09-27-2011
11:55 AM
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