Rooftop area in Kathmandu Valley. I am interested in estimating the total rooftop area of Kathmandu valley residential homes. It will be helpful in order to estimate the solar PV potential of the valley.
OpenStreetMap
Rooftop area in Kathmandu Valley. I am interested in estimating the total rooftop area of Kathmandu valley residential homes. It will be helpful in order to estimate the solar PV potential of the valley.
Discussion
Comment from HeBri on 14 February 2023 at 06:42
Hi DevendraCopenhagenUni,
what is the intention of your diary entry? Is this just an information? If you have any questions on how to do this, you could use the OSM community forum with your OSM account and ask there.
https://community.openstreetmap.org/
If I was to do something like this I would go along this path:
1.) Check how good the coverage of rooftop mapping is in the targeted area comparing OSM and satellite imagery. From this you can go 2 ways:
1.1) Map missing rooftops in the area or
1.2) Find a factor to be used on the found result (About half of the rooftops mapped -> Factor is 2)
2.) Load OSM rooftop data for the targeted area in QGIS (or other GIS) software and use the GIS functions to find the areal sum of all the items you are interested in.
All the best, Heinz