Re: [gdal-dev] Problem to merge 2 images

2011-08-26 Thread Even Rouault
Selon Chaitanya kumar CH : > Jan, > > The first error message is because of the block size. The entire image is > taken as a block; not good for large rasters. When copying, GDAL tries to > load the entire block into the memory. > > It's very likely that the problem will be resolved if we create c

Re: [gdal-dev] Problem to merge 2 images

2011-08-26 Thread Chaitanya kumar CH
Jan, The first error message is because of the block size. The entire image is taken as a block; not good for large rasters. When copying, GDAL tries to load the entire block into the memory. It's very likely that the problem will be resolved if we create copies of the gtiffs with smaller blocks.

[gdal-dev] Problem to merge 2 images

2011-08-26 Thread Jan Tappenbeck
hi ! i have got two images to merge and convert into ecw - but i only get a error-message and a black image. i send following command: gdal_merge.bat -of GTiff -o D:/GDAL_Projekte/xx/xx_gesamt.tif D:/GDAL_Projekte/xx/xx_300_nord_geo.tif D:/GDAL_Projekte/