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Replace building by rectangles updated

arno

arno

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I have finished updating the algorithm of scenProc to replace building polygons by multiple rectangles. From the tests I have done for the Nantucket area I am quite pleased with the results.

I just spend most of tonight to type in the manual how the algorithm works, so I’m not going to repeat that here now. I would say just download the new development release tomorrow and have a good read in the manual.

Continue reading...
 
Sounds great, does this account for the polygons direction in the source data? Eg it will place a rectangle to match the polygon?
 
nz255 said:
Sounds great, does this account for the polygons direction in the source data? Eg it will place a rectangle to match the polygon?
Click to expand...

Yes, it tries to split the complex polygon into segments in such a way that each segment can be represented by a rectangle without distorting the shape too much. See the examples in the manual.
 
Hi Arno:

I have a question related to the context of this discussion:

Has any tolerances (aka "thresholds") for ReplacePolygonByBuildingRectangles in ScenProc changed since v2.0.0.0 ? :scratchch


Thanks for your clarification on this, as AFAIK, whether one is intending to use ScenProc to create AGN / Generic rectangular buildings, or to create building footprints (some- or all- of which are to be exported and used as "primitives" extruded to make more detailed models in a 3D modeling application), converting the vast majority of such shapes into rectangles with all parallel edges and right-angled corners ...would be very important. :)

GaryGB
 
Last edited:
No, the algorithm has not changed recently. It's still the same basically.
 
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