Re: [gdal-dev] Reprojecting rasters

2010-06-08 Thread Rob
Panic over. I have just proven that an idiot can panic and cast suspicion on everyone but himself! The tiles seem to be reprojected OK, but Geoserver was laying the tiles on top of each other without using any transparency, hence each tile leaving a white blob on top of the last one. A quick mod

Re: [gdal-dev] Reprojecting rasters

2010-06-08 Thread christian . mueller
I am not sure here, but this looks like each tile is projected for itself. My procedure always is 1) Build a large image without tiles 2) Reproject 3) Create Tiles/pyramids Try to avoid TILED=YES and reproject within the same gdalwarp call. Quoting Rob : Hi [Apols for the X-post] I'm tr

[gdal-dev] Reprojecting rasters

2010-06-08 Thread Rob
Hi [Apols for the X-post] I'm trying to reproject a set of rasters in order to improve performance on my application. I have a set of rasters in OSGB (EPSG:27700) that I want to pre-process so that they are in WGS84 (EPSG:4326) within GeoServer, rather than relying on GeoServer to do the reproje