Upgrading GRASS database

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Upgrading the GRASS database from older to recent GRASS versions

Migrating from GRASS 4 to GRASS 5

Raster: The LZW compression has been removed which requires a format conversion: see announcement from Jan. 2001.

Raster3D: No changes.

Sites: No changes.

Vector: You need to rebuild the topology with v.support.

Migrating from GRASS 4 to GRASS 6

Raster: The LZW compression has been removed which requires a format conversion: see announcement from Jan. 2001.

Raster3D: No changes.

Sites: Sites have been deprecated and are handled as vector points. Convert sites maps to vector maps with v.in.sites (for all maps, use v.in.sites.all).

Vector: You need to convert the format with v.convert (for all maps, use v.convert.all).

Migrating from GRASS 5 to GRASS 6

Raster: No relevant changes.

Raster3D: No changes.

Sites: Sites have been deprecated and are handled as vector points. Convert sites maps to vector maps with v.in.sites (for all maps, use v.in.sites.all).

Vector: You need to convert the format with v.convert (for all maps, use v.convert.all).

Migrating from GRASS 6 to GRASS 7

IMPORTANT: GRASS 7 is NOT recommended for production use as it is under heavy development.

Raster: No changes (yet) but format update planned.

Raster3D: No changes.

Vector: You need to rebuild the topology with v.build.

Suggestions

... please add as needed ...