The definitive OS MasterMap to
CAD Reader


OS MasterMap is the Ordnance Survey's large scale product and online service providing a digital seamless map for Great Britain. KeyGML works inside BricsCAD and AutoCAD to read OS MasterMap .gz and .gml files (Topography and ITN layers) into the drawing in a structured and user controlled way.

This selective and intelligent input will :-

Read one or multiple files (chunks).

Provide full polygon and TOID recognition.

Enable user defined layer assignments.

Draw only areas of interest defined by closed polygons or buffers etc.

Write multiple CAD drawings in batch mode e.g. traditional 1:1250 tiles.


View the KeyGML Q & A.