t.downgrade - GRASS GIS manual
Author: GRASS Development Team
Description: t.downgrade: Downgrades the version of a space time dataset (TGRASS DB).
Keywords: temporal, metadata, time

## NAME

t.downgrade - Downgrades the version of a space time dataset (TGRASS DB).

## KEYWORDS

temporal, metadata, time

## SYNOPSIS

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

### Flags:

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

## DESCRIPTION

This module downgrades the TGIS DB version. At time it only downgrades TGIS DB from version 3 (after introducing band reference support ("image collections"), see PR #63) to version 3 (with band reference support).

## EXAMPLE

    t.downgrade

## SEE ALSO

t.info

## AUTHORS

Martin Landa, Markus Neteler, Markus Metz

## SOURCE CODE

Available at: t.downgrade source code (history)

Accessed: Sunday Jun 28 03:50:21 2026

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