[Geotiff] How to merge two GeoTiff files?

[maphew (matt wilkie)]

YuGo wrote:
> I want to merge GeoTiff files.
> I have many files as tiles.so,I excute this from command line.
> How I do?

Hi YuGo, you can use gdalmerge or gdal_warp from the gdal utilities for
this. See http://www.gdal.org/gdal_utilities.html

cheers,

-matt