[Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

2013-01-31 Thread Andrew Chapman
I've been asked to look into a problem where our exported shapefiles are being displaced approximately 5.7m SSW from their true position. Everything works as expected up to and including 1.7.4, but 1.8.0 and Master demonstrate the problem. KML files are ok as are shapefiles using other CRSs (e.g.

Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

2013-01-31 Thread Even Rouault
Selon Andrew Chapman andrew.chap...@donkagen.co.uk: I've been asked to look into a problem where our exported shapefiles are being displaced approximately 5.7m SSW from their true position. Everything works as expected up to and including 1.7.4, but 1.8.0 and Master demonstrate the problem.

Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

2013-01-31 Thread Andrew Chapman
Cc: qgis-user@lists.osgeo.org Subject: Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later Selon Andrew Chapman andrew.chap...@donkagen.co.uk: There's a GDAL ticket about that : http://trac.osgeo.org/gdal/ticket/4597 Frank

Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

2013-01-31 Thread Even Rouault
-paris.org] Sent: 31 January 2013 12:24 To: Andrew Chapman Cc: qgis-user@lists.osgeo.org Subject: Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later Selon Andrew Chapman andrew.chap...@donkagen.co.uk: There's a GDAL

Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

2013-01-31 Thread Andre Joost
- From: Even Rouault [mailto:even.roua...@mines-paris.org] Sent: 31 January 2013 12:24 To: Andrew Chapman Cc: qgis-user@lists.osgeo.org Subject: Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later Selon Andrew

Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

2013-01-31 Thread Andre Joost
Am 31.01.2013 13:23, schrieb Even Rouault: Has anyone else seen this problem? There's a GDAL ticket about that : http://trac.osgeo.org/gdal/ticket/4597 Frank, I've attached in it a libgeotiff patch that should solve this by defining an override. ... and already fixed! Thanks for pushing