[gdal-dev] Conversion from ASCII to GeoTIFF with gdalwarp: incorrect output

2014-10-12 Thread Lukasz Tracewski
Hi, I have a few thousands of ESRI ASCII rasters in World_Mollweide (EPSG:54009) projection, which I need to convert to GeoTIFF. Usually it goes fine, but there are certain special cases that resist peaceful conversion. They are all placed on Fiji, which is special in a sense being on very borde

Re: [gdal-dev] Generating GeoTIFF overview ("gdaladdo -r gauss ...") takes days for 2GB file...

2014-10-12 Thread Even Rouault
On Sunday 12 October 2014 14:34:20 Stefan Keller wrote: > Hi, > > I have a GeoTIFF file of 2GB size. Now, this question is about > gdaladdo and how to optimize loading time of such a large raster file. > > According to my observations QGIS has fastest loading times when it's > a single GeoTIFF fi

[gdal-dev] Generating GeoTIFF overview ("gdaladdo -r gauss ...") takes days for 2GB file...

2014-10-12 Thread Stefan Keller
Hi, I have a GeoTIFF file of 2GB size. Now, this question is about gdaladdo and how to optimize loading time of such a large raster file. According to my observations QGIS has fastest loading times when it's a single GeoTIFF file with overview images. Q.1: Does anybody have tipps for even faster