t.upgrade - GRASS manual
Author: GRASS Development Team
Description: t.upgrade: Upgrades the version of the temporal database.
Keywords: temporal, metadata, time

## NAME

t.upgrade - Upgrades the version of the temporal database.

## KEYWORDS

temporal, metadata, time

## SYNOPSIS

t.upgrade
t.upgrade --help
t.upgrade [--help] [--verbose] [--quiet] [--ui]

### Flags:

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

## DESCRIPTION

The t.upgrade module upgrades the temporal database in the current mapset from version 2 (default in GRASS 7) to 3 (default in GRASS 8). The version 3 introduces a semantic label support, see i.band.library for details.

## EXAMPLE

    t.upgrade

## SEE ALSO

t.info

## AUTHORS

Martin Landa and Markus Neteler

## SOURCE CODE

Available at: t.upgrade source code (history)

Accessed: Monday May 11 17:55:49 2026

Main index | Temporal index | Topics index | Keywords index | Graphical index | Full index

© 2003-2026 GRASS Development Team, GRASS 8.5.0 Reference Manual