| # GRASS Help System

i.points -

i.points enables the user to mark coordinate system points on an image to be rectified and then input the coordinates of each point for calculation of a transformation matrix. i.points must be followed by i.rectify which rectifies the image using the transformation matrix coefficients calculated in i.points. i.target must be run before i.points to enable the 'plot cell' option to be used and to identify the database LOCATION in which the rectified image will be deposited following i.rectify.

Manual entry for i.points

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Automatically created on: Sun Apr 10 10:50:18 2005