OSNI (*.ntf)

OSNI (Ordnance Survey of Northern Ireland) is the Northern Ireland Ordnance Survey National Transfer Format. These are polygon-based large scale maps. The tile naming conventions and scales supported are:

Width Scale Typical tile name
600m 1:1250 00609SE1.ntf
1.2km 1:2500 00609SE.ntf
2.4km 1:5000 00609.ntf
9.6km 1:10 000 006.ntf


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