t.vect.import - GRASS manual
Author: GRASS Development Team
Description: t.vect.import: Imports a space time vector dataset from a GRASS specific archive file.
Keywords: temporal, import, vector, time, create project

## NAME

t.vect.import - Imports a space time vector dataset from a GRASS specific archive file.

## KEYWORDS

temporal, import, vector, time, create project

## SYNOPSIS

t.vect.import
t.vect.import --help
t.vect.import [-eoc] input=name output=name [basename=string] directory=name [title=string] [description=string] [project=string] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

### Flags:

-e
  Extend project extents based on new dataset
-o
  Override projection check (use current projects's CRS)
  Assume that the dataset has same coordinate reference system as the current project
-c
  Create the project specified by the "project" parameter and exit. Do not import the space time vector datasets.
--overwrite
  Allow output files to overwrite existing files
--help
  Print usage summary
--verbose
  Verbose module output
--quiet
  Quiet module output
--ui
  Force launching GUI dialog

### Parameters:

input=name [required]
  Name of input file
output=name [required]
  Name of the output space time vector dataset
basename=string
  Basename of the new generated output maps
  A numerical suffix separated by an underscore will be attached to create a unique identifier
directory=name [required]
  Path to the extraction directory
title=string
  Title of the new space time dataset
description=string
  Description of the new space time dataset
project=string
  Create a new project (location) and import the data into it. Do not run this module in parallel or interrupt it when a new project should be created

## DESCRIPTION

t.vect.import imports a space time vector dataset archive that was exported with t.vect.export.

## NOTES

Optionally a base map name can be provided to avoid that existing vector maps are overwritten by the map names that are used in the STRDS archive.

The directory is used as work directory in case of import but can also be used as a data directory when using GML for the data exchange.

## EXAMPLE

In this example, five vector maps are created and registered in a single space time vector dataset named random_locations. Each vector map represents random locations within the boundary of the state taken at 1 month intervals. The space time dataset is then exported and re-imported.

    db.connect -d

    for i in `seq 1 5` ; do
        v.random output=map_$i n=500 restrict=boundary_state@PERMANENT
        echo map_$i >> map_list.txt
    done

    t.create type=stvds temporaltype=absolute \
             output=random_locations \
             title="Random locations" \
             description="Vector test dataset with random locations"

    t.register -i type=vector input=random_locations \
               file=map_list.txt start="2012-01-01" increment="1 months"

    t.vect.list random_locations

    t.vect.export input=random_locations output=random_locations.tar.gz \
                  compression=gzip

    t.vect.import input=random_locations.tar.gz output=new_random_locations \
                  basename=new_map directory=/tmp

    t.vect.list new_random_locations
    id|name|layer|mapset|start_time|end_time
    new_map_1@user1|new_map_1|None|user1|2012-01-01 00:00:00|2012-02-01 00:00:00
    new_map_2@user1|new_map_2|None|user1|2012-02-01 00:00:00|2012-03-01 00:00:00
    new_map_3@user1|new_map_3|None|user1|2012-03-01 00:00:00|2012-04-01 00:00:00
    new_map_4@user1|new_map_4|None|user1|2012-04-01 00:00:00|2012-05-01 00:00:00
    new_map_5@user1|new_map_5|None|user1|2012-05-01 00:00:00|2012-06-01 00:00:00

## SEE ALSO

t.vect.export, t.create, t.info, v.in.ogr, v.pack, t.rast.import

## AUTHOR

Sören Gebbert, Thünen Institute of Climate-Smart Agriculture

## SOURCE CODE

Available at: t.vect.import source code (history)

Latest change: Friday Aug 08 09:39:19 2025 in commit: ed72c71d8580e872cd6fd345c84a15c324764465

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