Forgot to send the link: http://forum.qgis.org/viewtopic.php?f=2&t=8155
Cheers Saber > Andrew > > I opened a thread on QGIS forum and posted screenshots of the example of > Mastermap from OS with Google layer background and some labeling. > > These might help: > - If you are using Windows, for uncompressing files you can use PeaZip > which is free and open source as opposed to WinZip which is a shareware. > > - I noticed gml is a bit slow. It might help to convert the files to > spatialite which you can edit in QGIS and does not have some of shapefile > limitations. > > - The orientation was fine for me. (Check the flow direction on the first > image.) > > Cheers > Saber > > > >> I have old sample OS .gz files, but it would be best to use their >> current >> ones. The data SHOULD be available via the "Download our sample data" >> section at www.ordnancesurveymastermap.com/ (I can't find a direct link >> to >> files), but it wouldn't work when I tried. I've reported the problem to >> OS >> and am waiting for a human response. >> A further source of additional information is the OS XML Schema >> Respository >> www.ordnancesurvey.co.uk/oswebsite/xml/schema/index.html, but I don't >> know >> enough about QGIS to understand how to use these. >> I've tried an old sample .gz file with both 1.6 and 1.7. Neither version >> supports direct opening of .gz (which would be the simplest way for new >> users), but actually open the unzipped .gml files. I have had problems >> in >> the past with older versions of WinZip (e.g. 12.0) where they couldn't >> unzip >> this format correctly, but gzip or other alternatives worked. The latest >> WinZip (15.0.) also seems to work, although you have to enter the >> extension >> of the file to expand, as it doesn't know to add .gml. >> Unless the latest format has changed, OS uses the 'orientation' >> attribute >> for text angle, but the value seems to be (degrees * 10). The loaded GML >> layer doesn't allow editing, so it isn't possible to add a further >> attribute >> calculated from 'orientation'. Saving as a shapefile under 1.6 fails >> with >> an >> error because, when the longer GML attribute names are trimmed to ten >> significant characters, there are duplicate attribute names. >> >> Andrew >> ________________________________________ >> From: Noli Sicad [mailto:[email protected]] >> Sent: 04 March 2011 05:59 >> To: Andrew Chapman >> Cc: [email protected] >> Subject: Re: [Qgis-user] Public Sector Mapping Agreement >> >> Hi Andrew, >> >>> To encourage take-up for both GIS and QGIS, it may help if there were >>> tutorials to take a new user of GIS through the steps to download data >> from >>> Ordnance Survey (probably only in GZ format for the topology layers). >>> To date I've been getting data as shapefiles - when I last tried (an >> earlier >>> version) QGIS wouldn't load .gz and the support for .gml may have been >>> incomplete. >>> Is anyone else using Ordnance Survey .gz files directly? >>> Would the best advice for users new to GIS be to convert to shapefiles >>> or >>> use a database (something I've not yet managed to do)? >>> Are there any UK users involved with town or parish councils? >> >> I think it would be wise to put an example of this OS gz file so we >> can try if we can open it with QGIS. Just a very simple example of the >> file :-). >> >> Then, post the URL where we can download it. >> >> Noli >> ________________________________________ >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 10.0.1204 / Virus Database: 1435/3479 - Release Date: 03/03/11 >> >> _______________________________________________ >> Qgis-user mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/qgis-user >> > > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
