In this image you can see an contour of buildings made of polygons with a height. The contour of the buildings look like columnar basalt now. I want to make a smoother 3d contour of this buildings. Can you help me how to solve this?
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Is it possible to create a new polygon of the roof by a range of slope angles? Or is there a better way?
Is it possible to create a new polygon of the roof by a range of slope angles? Or is there a better way?
It looks like you used a grid to represent the roofs. Have you tried generating a TIN and then clipping that to the building polygons? It'll still be a bit "busy" in some spots (especially buildings with different roof levels, like a church + tower, TIN is really bad at doing vertical lines) but it'll be an improvement over this.
Are these polygons generated from point cloud data?
These polygons are created from AHN2 data. (goeTIFF files)