i.ortho.elev - GRASS GIS manual
Author: GRASS Development Team
Description: i.ortho.elev: Select or modify the target elevation model.
Keywords: imagery, orthorectify

## NAME

i.ortho.elev - Select or modify the target elevation model.

## KEYWORDS

imagery, orthorectify

## SYNOPSIS

i.ortho.elev
i.ortho.elev --help
i.ortho.elev [-p] group=name [location=name] [mapset=name] [elevation=name] [math_expression=string] [units=string] [null_value=string] [--help] [--verbose] [--quiet] [--ui]

### Flags:

-p
  Print currently selected elevation map and exit
--help
  Print usage summary
--verbose
  Verbose module output
--quiet
  Quiet module output
--ui
  Force launching GUI dialog

### Parameters:

group=name [required]
  Name of imagery group for ortho-rectification
location=name
  Location name
  Name of the target location
mapset=name
  Name of mapset (default: current search path)
  Name of the target mapset
elevation=name
  Name of elevation map to use for ortho-rectification
math_expression=string
  Math expression to convert to real elevation
units=string
  Unit of the elevation map
  Options: miles, feet, meters, kilometers, acres, hectares
null_value=string
  No data value

## DESCRIPTION

i.ortho.elev is used to select or modify the target elevation model.

## SEE ALSO

i.ortho.photo
i.ortho.camera
i.photo.2image
i.photo.2target
i.ortho.init
i.rectify

## AUTHOR

Mike Baba, DBA Systems, Inc.
Bugfixes and enhancements for GRASS GIS 7 by Markus Metz

## SOURCE CODE

Available at: i.ortho.elev source code (history)

Accessed: Sunday Jun 21 00:55:04 2026

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