# GRASS Help System

## MANAGEMENT OF IMAGERY FILES

In order to identify collections of imagery band files for classification and/or rectification, imagery files should be grouped together. Many imagery programs need to know which 'imagery group' to use when performing their particular task. The 'i.group'command performs this function.

In addition, before running several imagery programs on an imagery group, the group must be 'targeted' to a GRASS database standard LOCATION, such as UTM or State Plane. 'i.target' accomplishes this task.

The commands associated with imagery file management are:

- i.build.blk
- i.group
- i.target

For more information on a specific command, select a command and press ESC.

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Automatically created on: Thu Oct 14 02:12:26 2004