This service allows consultation of the spatial metadata of the complete collection of aerial photos of the National Geographic Institute (NGI), from 1946 to today. The data is accessible via a Web Feature Service (WFS). The aerial photos themselves are not part of the service. The collection comprises more than 100,000 aerial photos. The images are predominantly panchromatic (black and white). From the late 1970s onwards, colour images were also taken, and from the end of 2004 onwards all images were taken in colour. The analogue aerial photos in the collection were scanned in high resolution. More recent aerial photos were captured directly in digital format. This specific service includes three layers: the centroids (centre points) of the individual aerial photos, the footprints (the outlines of the area on the ground covered by each photo), and the flight paths of the aircraft used during image acquisition. For each aerial photo, all known metadata is included in the attribute table, such as the acquisition date, the flight and the strip, the dimensions, the scale, the ground resolution, the radiometry (black and white or colour), the coordinates of the centre point, and the camera, lens and film used. This data makes it possible to find out which aerial photos are available for a given location and period, and what the characteristics of each photo are. The aerial photos can be ordered in high resolution via https://shop.ngi.be/nl/luchtfotos/.

Govroam is a " wifi roaming " solution. This service offers to the users a simple and secure access to the wireless network of their institution, but also to networks of other participating institutions. A user from an organization that participates in govroam will be able to connect to any wireless access point broadcasting govroam. The data provided here makes it possible to locate these access points.

This web service allows dowload ROB datasets. This service is compliant with the INSPIRE specifications.

Geodetic markers of which the 3D coordinates are precisely known in common Belgian reference systems.

‘Top10Vector – Land cover and Vegetation’ is the vector dataset of the land use categories of undeveloped land areas in Belgium. This dataset comprises 3 feature types, namely isolated [LC_isolatedvegetation] and linear [LC_linearvegetation] vegetation and land cover zones [LC_landcoverzone]. This dataset can be downloaded via the links in ‘Access’ at the bottom of this page.

Network of marks whose planimetric coordinates are known with precision according to the reference systems which are used in Belgium.

CadGIS Viewer is an application developed by the General Administration of Patrimonial Documentation of the FPS Finance. This application allows to: - consult the current situation of the land register plan and the administrative units and print them out; - consult all the tax situations since 2018 (situation as on 1 January) for the land register plan and administrative units; - search and geolocate the objects on the land register plan on the basis of space characteristics or queries; - ask for and print out cadastral plan parcels within a certain range around or adjacent to one or more parcels ; - search graphically on the map for surveyors' plans (only for surveyors); - add additional data to the map, both from a predefined list (IGN - Belgian national geographical institute’s aerial photographs, Cartoweb, regional reference frames such as GRB and PICC, ...) as well as other data via the URL of web services.