Friday, 6 March 2015

python - Automating roof orientation detection from satellite imagery?



A while ago I did a neighbourhood roof orientation survey for solar panel deployment, by visually checking each roof and marking individually whether they were south or almost south-facing.


As this is very time-consuming, I would like to find a way to automate this, but don't know how this would be possible by merely analysing roof shadows.


I can script a little but have never written any plug-ins.


What other elements do I need to include?


We are on a very low budget, so seek any suggestions how to do this using open source tools.




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