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i.group -

i.group is an imagery program that allows the user to group any of the raster imagery files that are present in the current LOCATION and currently selected mapsets into:

1. a subgroup of the first group created during tape
extraction;
2. a new imagery group, and subsequently, a subgroup
of a new imagery group;
3. an already existing group in the current LOCATION and
MAPSET, and subsequently, a subgroup of an already
existing group.

i.group also allows the user to remove raster files from a group in his or her MAPSET. Raster files, however, cannot be removed from, or added to existing subgroups. If a new subgroup is needed, the procedure recommended is to create a new subgroup.

i.group is able to offer its options to all of the raster files in the MAPSETS that were selected using the GRASS command g.mapsets. i.group, however, is restricted to the files and selected MAPSETS in the current LOCATION. The raster files available to i.group, then, will include all raster files that result from analyses using GRASS, e.g., classified images, color composites, contrast streches, neighborhood filters, results of r.mapcalc, r.buffer, etc.

Manual entry for i.group


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Automatically created on: Tue Mar 30 00:23:51 2004