The "UrbIS - DTM" (Digital Terrain Model) product is a raster image composed of pixels whose value corresponds to altitude. The dataset is freely downloadable as a zipped file.

The "UrbIS - DSM" (Digital Surface Model) product is a raster image capturing all the objects (natural or built) on the surface of the earth. The dataset is freely downloadable as a zipped file.

Brussels-Capital Region : BH03 entity represents the points elevation ground surveys by aerial photogrammetry scale. These points are essentially in the public domain.