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Hi I have created a Geotiff from the Bing Aerial photography.

As it is automatically in WGS 84 it inserts perfectly into QGIS, however this image is of no use to me outside of QGIS.

I need to convert this referencing system from WGS84 to OSGB 1936.

Is this possible at all?

I am using QGIS 1.8.0 on windows 7 and i am not great with Grass, and need to import the image into AutoCAD at some stage.

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2 Answers 2

up vote 4 down vote accepted

You can do the reprojecting with QGIS. Raster -> Projection -> Transform(Reproject) calls gdalwarp. Just select input CRS and output CRS, and a new file name.

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use the GDAL library, more specifically gdalwarp.exe. All you have to do do is to supply source -s_srs and target -t_srs projecttion along with the image. That should serve the trick.

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Ok sorry where do i get the GDAL library? –  Gerald Apr 9 '13 at 9:29
    
It is a part of OSGeo4W, which should be easy to install on Windows. –  zimmi Apr 9 '13 at 9:48
    
by searching with google (gdal.org) –  Curlew Apr 9 '13 at 10:21
    
That's not necessary, as QGIS has it already incorporated. –  Andre Joost Apr 9 '13 at 10:27

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