Django-raster allows you to create tiled map services (TMS) and raster map algebra end points for web maps. It is Python-based, and requires GeoDjango with a PostGIS backend.
Coverage decreased (-0.06%) to 93.272% when pulling f26b432959840e31c6b2a88462f3e2df8e7a275b on PaulWagener:master into 0de1839e31a7f0c9af3a97c57a6cb717d1f19ad3 on geodesign:master.
Take nodata_value 'None' values into account in get_algebra()