[GRASS-user] file formats from Ordinance Survey maps

[Saber Razmjooei]

Hi Jim,

 

What OS data are you requesting? In general, it is best to have the files in
GML as DWG is propietry format and needs extra effort to be read in GRASS.

 

If you are working with OS MasterMap, the GML contains nested attributes and
best to convert them to a standard format. We have developed a tool in QGIS
to convert GML/GZ files directly to PostGIS (or Shapefile):

http://www.lutraconsulting.co.uk/products/ostranslator-ii/

http://www.lutraconsulting.co.uk/products/ostranslator/

 

You can then use the data in GRASS easily.

 

For other OS products in GML format, you can directly read them in GRASS as
the attribute tables are less complex compared with OSMM.

 

Hope it helps,

 

Cheers,

Saber

 

 

 

From: grass-user [mailto:grass-user-bounces at lists.osgeo.org] On Behalf Of
James Maas (MED)
Sent: 19 January 2016 07:15
To: grass-user at lists.osgeo.org
Subject: [GRASS-user] file formats from Ordinance Survey maps

 

I'm attempting to get some maps and use them in GRASS, which gives me a
choice of formats to download from.  Can anyone tell me if any one of these
formats is better and will allow direct import into GRASS 7.0.2. without
transformation.

 

For one type of topography map I can get either GML2, DWG or File
Geodatabase.

 

For another type of Terrain type map I can get either Shape, GML3 or DWG.

 

I have googled and looked at the choices provided by 

 

Dr. Jim Maas 
Mathematical Modelling in 
Epidemiology of Infectious Disease 
Rm 2.13 MED 
Norwich Medical School 
University of East Anglia 
Norwich Research Park, 
NR4 7TJ  U.K. 

E: j.maas at uea.ac.uk
<https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=j.maas@uea.ac.uk>  

P: +44 (0)1603 91325



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