---
name: "topic_metadata"
section: "1grass"
platform: "linux"
package: "grass-doc"
version: "8.4.1-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/topic_metadata"
---

# topic\_metadata(1grass)

## Topic: metadata

| | | |
| --- | --- | --- |
| r.describe |  | Prints terse list of category values found in a raster map layer. |
| r.info |  | Outputs basic information about a raster map. |
| r.region |  | Sets the boundary definitions for a raster map. |
| r.support |  | Allows creation and/or modification of raster map layer support files. |
| r.timestamp |  | Modifies a timestamp for a raster map. |
| r3.info |  | Outputs basic information about a user-specified 3D raster map layer. |
| r3.support |  | Allows creation and/or modification of 3D raster map layer support files. |
| r3.timestamp |  | Modifies a timestamp for a 3D raster map. |
| t.info |  | Lists information about space time datasets and maps. |
| t.select |  | Select maps from space time datasets by topological relationships to other space time datasets using temporal algebra. |
| t.support |  | Modifies the metadata of a space time dataset. |
| t.upgrade |  | Upgrades the version of the temporal database. |
| v.info |  | Outputs basic information about a vector map. |
| v.support |  | Updates vector map metadata. |
| v.timestamp |  | Modifies a timestamp for a vector map. |

*See also the corresponding keyword metadata for additional references.*

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