Re: [gdal-dev] Re: CUDA PyCUDA and GDAL

2009-12-10 Thread Doug_Newcomb
Folks, I would note that large -wm values can be very counter productive when used in combination with SKIP_NOSOURCE. The problem is that the larger the chunk size, you run into the chance that a large window will intersect a small amount of data and the whole window ends up being processed -

Re: [gdal-dev] Re: CUDA PyCUDA and GDAL

2009-12-08 Thread Hisaji ONO
Hello. Is there no gap or noises in image data generated by this method? Regards. --- doug_newc...@fws.gov wrote: Hi Doug, I finally tried your parameters and they did work fine for me also. I had something like hundred geotiffs, 400 MB each, and I was pushing them to

[gdal-dev] Re: CUDA PyCUDA and GDAL

2009-12-07 Thread Doug_Newcomb
Hi Doug, I finally tried your parameters and they did work fine for me also. I had something like hundred geotiffs, 400 MB each, and I was pushing them to bigtiff mosaic. I tried first with your *.tif selection and then again by using a virtual raster file as source, created from Mapserver

Re: [gdal-dev] Re: CUDA PyCUDA and GDAL

2009-12-07 Thread Frank Warmerdam
doug_newc...@fws.gov wrote: Hi Doug, I finally tried your parameters and they did work fine for me also. I had something like hundred geotiffs, 400 MB each, and I was pushing them to bigtiff mosaic. I tried first with your *.tif selection and then again by using a virtual raster file as

[gdal-dev] Re: CUDA PyCUDA and GDAL

2009-11-19 Thread Jukka Rahkonen
Frank Warmerdam warmerdam at pobox.com writes: Shaun Kolomeitz wrote: could push beyond 1GB/s. Currently to process (mosaic) an 80GB image it takes several days to complete. This is also on 32bit hardware, and I Shaun, I suspect that there is a gross issue with how the warping is