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Aloha to all and thanks for helping me. I have Lidar data, ground points and first returns. I have processed it and have ready tiles from which I am trying to build 3D building models. So far I was able to just extrude the buildings in the Arc Scene and that is it. I am a beginner in GIS/Remote Sensing and any help would be highly appreciated. Also, I am trying to work this out in Arc10. Thank you one more time. Boki |
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Is it possible to turn the entire lidar model into a single surface, then grab faces that are vertical or near-vertical? I would think they'd represent buildings - but I don't know ArcGIS well enough to know if this is possible. |
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From my experience (also not a remote sensing expert), it's very hard to get accurate building outlines. If it is not a huge area, it might be worth manually tracing the buildings and then doing a spatial join with the LIDAR data to get the building heights. |
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