On Tue, Dec 28, 2010 at 3:59 AM, Milo van der Linden <[email protected]> wrote: >> >> It would be interesting to have editor support for estimating the building >> height depending on that displacement, or depending on the extent of the >> shadow - that would have to be calibrated for each imagery and location of >> course but so does the displacement of the whole image, and we're seeing >> people working on the latter... >> > > This will result in a very rough estimate. Estimating height from > displacement is only possible if you have stereo-photo's with at least > 60% overlap or when you know every photograhic detail like focal > length, photo-centerpoint and so on. You cannot accuratly estimate > height from displacement in constructed mosaics.
What about LIDAR? Does LIDAR capture building heights, or only heights of green areas? _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
