Hello, in deegree3 tools, there is a class org.deegree.tools.rendering.manager.buildings.generalisation.WorldObjectSimplifier, which creates a convex hull of the 2D-Projection (ground level) of the original, and creates 'vertical' walls on this convex hull, it is not a real simplification though.
If this might be of interest to you please ask further questions regarding this tool on the deegree-users list: http://lists.sourceforge.net/lists/listinfo/deegree-users Kind regards, Judit Alexandre Leroux schrieb: > > Dear list, > > Here's my challenge. I have 3D buildings originally in the AutoCAD > format which are composed of hundreds of 2D polygons in 3D space. > > Is there any tool that can "generalize" 3D data? > > I found that GRASS GIS offers line generalization: > http://grass.itc.it/gdp/html_grass64/v.generalize.html > but found nothing regarding 3D generalization. > > My feeling is that 'GIS technology' is just not there yet. There's just > no implemented algorithms to generalize complex 3D to less complex 3D > data. Am I right? > > > Since my team is heavily using FOSS4G, we're looking for a solution (if > any) that would ideally be 100% FOSS4G. > > Thanks for any feedback, > > Alex
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