Take a look at caltopo.com -- not sure if the creator is on this list, but it is a really developed tool.
>From the options in the left-hand pane, choose Add New Layer | Add Viewshed Analysis. Not sure about exporting the results though. On Mon, Jul 20, 2015 at 11:28 AM, Jaak Laineste (Nutiteq) <[email protected]> wrote: > Hello, > > I’m looking for a api or web tool where I can click on map, tell height of > a tower, and it gives (shows, and provides geojson or something) for area > what is visible from this point. Accuracy is not that important, SRTM would > be just fine. Surprisingly could find only old-school GIS solutions for > this task: like buy arcgis, import your data etc. Google elevation API > provides at least raw data and point-to-point profiles, but this is not it > really yet. Nothing for this century? > > Jaak > > _______________________________________________ > Geowanking mailing list > [email protected] > http://geowanking.org/mailman/listinfo/geowanking_geowanking.org > >
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