[gdal-dev] Re: Re: Strange things with gdalwarp ...

Rahkonen Jukka Jukka.Rahkonen at mmmtike.fi
Mon Aug 17 16:41:57 EDT 2009


From: Hermann Peifer <peifer <at> gmx.eu>

> A promising approach seemed to be to warp/resample the ASTER files one by one and create 1500 separate tiles
> in LAEA projection, as an intermediate step. Then I created a vrt file with gdalbuildvrt and
> gdal_translated it into tiff format. The result did however look odd, as the elevation data in most tiles
> was clipped by NODATA areas of their neighbouring tiles :-(

Hi, 

Did you try to use gdalwarp also for the second step with -srcnodata value [value...]?  I believe you did set some NODATA value in step 1 for the intermediate images.

-Jukka Rahkonen- 


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