Re: [Qgis-user] trying to convert geotiff UTM toWGS84

2018-06-18 Thread Eric Fielding
If you want to change the projection of a raster image in QGIS, you need do a reprojection by using the Raster->Projections->Warp (reproject) command that sets up and runs the "gdalwarp" command. The "gdal_translate" command only changes the format of a raster image. You have to use "gdalwarp" to d

Re: [Qgis-user] trying to convert geotiff UTM toWGS84

2018-06-18 Thread Nicolas Cadieux
Hi, If you are using gdal translate with -a_srs "EPSG:4326", you are simply overwriting the CRS in the file. That is likely messing thing up as the file is not actually reprojected. Nicolas > Le 18 juin 2018 à 03:40, Donald Harter a écrit : > > I started out trying to merge some geotiff topo

[Qgis-user] trying to convert geotiff UTM toWGS84

2018-06-18 Thread Donald Harter
I started out trying to merge some geotiff topo maps of a state. I kept getting results that were all black. It seems that style was palletee unique values and that merge could not handle that. So I converted them to multiband color using gdal_translate. Some of the merged topos were not linin