# GRASS Help System

i.rectify.blk -

i.rectify.blk allows the user to ortho-rectify an imagery group file. An imagery photo block consists of several scanned aerial photographs (raster files) of a common area. An imagery sub- block is a subset of these raster files. Block and sub-blocks of imagery groups are created by the GRASS imagery program i.build.blk. i.rectify.blk guides the user through the steps required to ortho- rectify a single sub-block of imagery groups contained in a block.

Manual entry for i.rectify.blk

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Automatically created on: Mon Apr 4 09:21:48 2005