The Apur uses other data such as:
- orthophotomaps of Paris and the inner suburbs (Inter-Atlas source)
- digital Land Models and Digital Elevation Models (Inter-Atlas source),
- near infrared photography (Inter-Atlas source),
- collections of old maps of Paris, scanned and sometimes geographically coordinated (participating in the research program Alpage),
- street map (City of Paris source)
- the map of land plots and the raster administrative map (City of Paris source)
- thermography (ITC source)
- topographic database BDTOPO (National Geographic Institute, IGN source)