On Fri, 2008-08-08 at 09:53 -0300, Raphael Saldanha wrote: > Hi Nikos! > > Thanks for the advice! > > So, I use this: > > Set null values: > r.nul > Set region: > g.region > Create mosaic: > r.patch > > > Thanks!!! > > > > > On Fri, Aug 8, 2008 at 9:26 AM, Nikos Alexandris > <[EMAIL PROTECTED]> wrote: > > On Fri, 2008-08-08 at 08:57 -0300, Raphael Saldanha wrote: > > Hi! > > > > A newbie doubt: I have to make a mosaic with 2 satellite > images > > (CBERS). The border values are "0". What is the procedure? > (the images > > are already on grass). > > > > Raphael Saldanha > > BRAZIL > > > Hi Raphael. > > If your images are correctly georeferenced then you only need > to use > r.patch or r.mapcalc. > > Set the extent of the computational region with g.region > first, for > example: > g.region rast=satimage1,satimage2 -pa > > Then patch: > r.patch in=satimage1,satimage2 out=mosaic > > Kind regards, Nikos. > [cc-ing to the list]
Raphael, it is not required to set any NULL values I think, except if you need it for your own reasons to set NULL values. Cheers, Nikos _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
