Ops! Sorry, I used the translator incorrectly! Corrections:
> To check the values of the active region, use the following command: > > g.region -p > > To set the values of the active region to the same values as their > input maps, use: > > g.region -p rast=name_of_raster_map > > To check the values of some map, use: > > r.info map=name_of_raster_map And an important note: I'm not sure if this information is applicable using the plugin in QGIS. Please, sorry again, I make many mistake but with the best intentions! Saludos 2009/2/13 José María Michia <[email protected]>: > Hi Tim and all! > > 2009/2/13 Tim Holland <[email protected]>: >> >> Dear all, >> >> I am new to both Grass and this forum, so apologies in advance for something >> which is likely a simple mistake or oversight on my part (but I have >> searched the forum and can't seem to find an answer). >> >> I am trying to create RGB-composite images from various sets of Landsat >> bands (3,2,1 or 4,5,3). When I try to do this using r.composite, the >> resulting raster file has a far courser pixel resolution than the original >> images (it looks like it is scaling up by a factor of 12 - so 30m x 30m >> pixels become 360m x 360m). I can't see anything in the r.composite manual >> that suggests why this would be happening. >> >> If it is relevant, I am also using i.landsat.rgb to balance the colours >> before I am using the r.composite. Also, I am using Grass 6.3, and running >> it through the plugin on QGIS 0.11.0. > > > When you run a command that produces a new map, usually the new map > has the size and resolution of the active region, not far and the > resolution of input maps. > > To check the values of the active region, use the following command: > > g.region-p > > To set the values of the active region to the same values as their > input maps, use: > > RAST g.region P = name_of_raster_map > > To check the values of some map, use: > > r.info map name_of_raster_map = > > I hope this helps! > > Saludos > José María > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
