On lundi 30 septembre 2019 20:10:38 CEST Tamas Szekeres wrote: > Hi, > > I've implemented a viewshed algorithm a while ago, by utilizing a modified > version of the algorithm published at > https://www.asprs.org/wp-content/uploads/pers/2000journal/january/2000_jan_8 > 7-90.pdf > > With this approach, it was crucial to provide a fast real-time option for > the viewshed calculation on relatively large raster DEMs by using only a > small memory footprint. > > The implementation can be found here: > > https://github.com/szekerest/gdal/blob/viewshed/gdal/alg/viewshed.cpp > https://github.com/szekerest/gdal/blob/viewshed/gdal/apps/gdal_viewshed.cpp > > Does it make sense to spend some more effort and incorporate this approach > in GDAL officially?
Sounds useful to me ! (old memories of having implement line-of-sight based intervisibility algorithm in a past life !) Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev