Skip to content

t.vect.list

Lists registered maps of a space time vector dataset.

t.vect.list [-u] input=name [order=string [,string,...]] [columns=string [,string,...]] [where=sql_query] [method=string] [separator=character] [output=name] [--overwrite] [--verbose] [--quiet] [--qq] [--ui]

Example:

t.vect.list input=name

grass.script.run_command("t.vect.list", input, order="start_time", columns="name,layer,mapset,start_time,end_time", where=None, method="cols", separator="pipe", output=None, flags=None, overwrite=False, verbose=False, quiet=False, superquiet=False)

Example:

gs.run_command("t.vect.list", input="name")

Parameters

input=name [required]
    Name of the input space time vector dataset
order=string [,string,...]
    Sort the space time dataset by category
    Allowed values: id, name, layer, creator, mapset, temporal_type, creation_time, start_time, end_time, north, south, west, east, points, lines, boundaries, centroids, faces, kernels, primitives, nodes, areas, islands, holes, volumes
    Default: start_time
columns=string [,string,...]
    Columns to be printed to stdout
    Allowed values: id, name, layer, creator, mapset, temporal_type, creation_time, start_time, end_time, north, south, west, east, points, lines, boundaries, centroids, faces, kernels, primitives, nodes, areas, islands, holes, volumes
    Default: name,layer,mapset,start_time,end_time
where=sql_query
    WHERE conditions of SQL statement without 'where' keyword used in the temporal GIS framework
    Example: start_time > '2001-01-01 12:30:00'
method=string
    Method used for data listing
    Allowed values: cols, comma, delta, deltagaps, gran
    Default: cols
separator=character
    Field separator character between the output columns
    Special characters: pipe, comma, space, tab, newline
    Default: pipe
output=name
    Name for output file
-u
    Suppress printing of column names
--overwrite
    Allow output files to overwrite existing files
--help
    Print usage summary
--verbose
    Verbose module output
--quiet
    Quiet module output
--qq
    Very quiet module output
--ui
    Force launching GUI dialog

input : str, required
    Name of the input space time vector dataset
    Used as: input, stvds, name
order : str | list[str], optional
    Sort the space time dataset by category
    Allowed values: id, name, layer, creator, mapset, temporal_type, creation_time, start_time, end_time, north, south, west, east, points, lines, boundaries, centroids, faces, kernels, primitives, nodes, areas, islands, holes, volumes
    Default: start_time
columns : str | list[str], optional
    Columns to be printed to stdout
    Allowed values: id, name, layer, creator, mapset, temporal_type, creation_time, start_time, end_time, north, south, west, east, points, lines, boundaries, centroids, faces, kernels, primitives, nodes, areas, islands, holes, volumes
    Default: name,layer,mapset,start_time,end_time
where : str, optional
    WHERE conditions of SQL statement without 'where' keyword used in the temporal GIS framework
    Example: start_time > '2001-01-01 12:30:00'
    Used as: sql_query
method : str, optional
    Method used for data listing
    Allowed values: cols, comma, delta, deltagaps, gran
    Default: cols
separator : str, optional
    Field separator character between the output columns
    Special characters: pipe, comma, space, tab, newline
    Used as: input, separator, character
    Default: pipe
output : str, optional
    Name for output file
    Used as: output, file, name
flags : str, optional
    Allowed values: u
    u
        Suppress printing of column names
overwrite: bool, optional
    Allow output files to overwrite existing files
    Default: False
verbose: bool, optional
    Verbose module output
    Default: False
quiet: bool, optional
    Quiet module output
    Default: False
superquiet: bool, optional
    Very quiet module output
    Default: False

DESCRIPTION

The t.vect.list module provides the same functionality as t.rast.list, the only difference is the vector map layer metadata.

EXAMPLE

Default query

This example show a relative space time vector dataset with the first three maps with a range of years, instead the last five are valid only for one year:

t.vect.list shoreline@shoreline
name|layer|mapset|start_time|end_time
shoreline_1849_1873|None|shoreline|1849|1873
shoreline_1925_1946|None|shoreline|1925|1946
shoreline_1970_1988|None|shoreline|1970|1988
shoreline_1997|None|shoreline|1997|None
shoreline_1998|None|shoreline|1998|None
shoreline_2003|None|shoreline|2003|None
shoreline_2004|None|shoreline|2004|None
shoreline_2009|None|shoreline|2009|None

Using method option

Method option is able to show vector in different way. By default cols value is used, the value deltagaps will print the delta between maps and also the gaps if they exist (like in this example).

t.vect.list method=deltagaps input=shoreline
id|name|layer|mapset|start_time|end_time|interval_length|distance_from_begin
shoreline_1849_1873@shoreline|shoreline_1849_1873|None|shoreline|1849|1873|24|0
None|None|None|None|1873|1925|52|24
shoreline_1925_1946@shoreline|shoreline_1925_1946|None|shoreline|1925|1946|21|76
None|None|None|None|1946|1970|24|97
shoreline_1970_1988@shoreline|shoreline_1970_1988|None|shoreline|1970|1988|18|121
None|None|None|None|1988|1997|9|139
shoreline_1997@shoreline|shoreline_1997|None|shoreline|1997|None|None|148
None|None|None|None|1997|1998|1|148
shoreline_1998@shoreline|shoreline_1998|None|shoreline|1998|None|None|149
None|None|None|None|1998|2003|5|149
shoreline_2003@shoreline|shoreline_2003|None|shoreline|2003|None|None|154
None|None|None|None|2003|2004|1|154
shoreline_2004@shoreline|shoreline_2004|None|shoreline|2004|None|None|155
None|None|None|None|2004|2009|5|155
shoreline_2009@shoreline|shoreline_2009|None|shoreline|2009|None|None|160

SEE ALSO

g.list, t.create, t.info, t.list, t.rast.list, t.rast3d.list

AUTHOR

Sören Gebbert

SOURCE CODE

Available at: t.vect.list source code (history)
Latest change: Friday Feb 07 19:16:09 2025 in commit a82a39f