The projects based on Open Street Map (OSM), are characterized by highlighting some of the cartographic peculiarities, within the massive collection of open data offered by OSM.

The Thunderforest project uses this data provided by OSM to produce thematic maps of various kinds:

The topographic map is made from the different sheets that the NGI has been elaborating to complete the map of the Spanish territory. According to the zoom of the interactive map, the cartographic image varies according to its different scales:
Map of Spain to scale 1:2 000 000
Spain map to scale 1:500 000
Provincial map to scale 1:200 000

The active fire map is a service offered and produced by NASA based on data collected by the Terra satellite. This space detector carries with it a sensor called MODIS that captures the infrared radiation emitted by any fire. The information collected is treated very quickly and made available to the public in a few hou