[Gdal-dev] gdal_merge vs. gdalwarp

John Mitchell mitchelljj98 at gmail.com
Sat Feb 24 12:01:33 EST 2007


I have found in comparing the speed between gdal_merge and gdalwarp that
gdal_merge mosaics tiles together more than twice as fast.  If all I need to
do is mosaic tiles together that are the same resolution and keeping the
same projection, then what advantage is using gdalwarp?  Also I noticed what
I think is a new utility on the gdal utilities page called
"nearblack<http://www.gdal.org/nearblack.html>- Convert nearly
black/white borders to exact value."


John J. Mitchell
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