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NAME

i.ortho.position - Estimate sensor position from scene center and angles

KEYWORDS

imagery, orthorectification

SYNOPSIS

i.ortho.position
i.ortho.position --help
i.ortho.position group=name nw=east,north ne=east,north sw=east,north se=east,north proj=string [omega=float] height=float [--help] [--verbose] [--quiet] [--ui]

Flags:

--help
Print usage summary
--verbose
Verbose module output
--quiet
Quiet module output
--ui
Force launching GUI dialog

Parameters:

group=name [required]
Name of input imagery group
nw=east,north [required]
North-West corner coordinates in ll (lon,lat)
must be decimal degrees
ne=east,north [required]
North-East corner coordinates in ll (lon,lat)
must be decimal degrees
sw=east,north [required]
South-West corner coordinates in ll (lon,lat)
must be decimal degrees
se=east,north [required]
South-East corner coordinates in ll (lon,lat)
must be decimal degrees
proj=string [required]
PROJ definition of the target CRS
e.g. +proj=utm +zone=32 +datum=WGS84 +units=m
omega=float
Omega (pitch): Raising or lowering of the aircraft's front (turning around the wings' axis)
height=float [required]
Flight height

Table of contents

DESCRIPTION

i.ortho.position estimates the camera postion from the corner coordinates of the scene in longitudes and latitudes, omega and flight height.

The estimated parameters are kappa and the coordinates of the camera at the time of exposure. These values can be used for i.ortho.init

SEE ALSO

i.ortho.photo, i.ortho.init

AUTHOR

Markus Metz, mundialis

SOURCE CODE

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

Accessed: Monday Jul 27 12:22:35 2026

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© 2003-2026 GRASS Development Team, GRASS 8.5.1dev Reference Manual