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t.topology(1grass) GRASS GIS User's Manual t.topology(1grass)

NAME

t.topology - Lists temporal topology of a space time dataset.

KEYWORDS

temporal, topology, time

SYNOPSIS

t.topology
t.topology --help
t.topology [-ms] input=name [type=name] [where=sql_query] [--help] [--verbose] [--quiet] [--ui]

Flags:


Print temporal topological relationships and exit

Print spatio-temporal topological relationships and exit

Print usage summary

Verbose module output

Quiet module output

Force launching GUI dialog

Parameters:


Name of the input space time dataset

Type of the input space time dataset
Options: strds, stvds, str3ds
Default: strds

WHERE conditions of SQL statement without ’where’ keyword used in the temporal GIS framework
Example: start_time > ’2001-01-01 12:30:00’

DESCRIPTION

The module t.topology lists temporal relations of the maps in a space time dataset.

EXAMPLE

In order to obtain information about space time dataset topology, run: 

t.topology tempmean_monthly@climate_2009_2012


 +-------------------- Basic information -------------------------------------+


 | Id: ........................ tempmean_monthly@climate_2009_2012


 | Name: ...................... tempmean_monthly


 | Mapset: .................... climate_2009_2012


 | Creator: ................... lucadelu


 | Temporal type: ............. absolute


 | Creation time: ............. 2014-11-28 10:40:55.060096


 | Modification time:.......... 2014-11-28 16:08:42.166628


 | Semantic type:.............. mean


 +-------------------- Temporal topology -------------------------------------+


 | Is subset of dataset: ...... False


 | Temporal topology is: ...... valid


 | Number of intervals: ....... 48


 | Invalid time stamps: ....... 0


 | Number of points: .......... 0


 | Number of gaps: ............ 0


 | Granularity: ............... 1 month


 +-------------------- Topological relations ---------------------------------+


 | Overlaps: .................. 0


 | Overlapped: ................ 0


 | Finishes: .................. 0


 | Started: ................... 0


 | Follows: ................... 47


 | Contains: .................. 0


 | Equal:...................... 0


 | Finished: .................. 0


 | Precedes: .................. 47


 | Starts: .................... 0


 | During: .................... 0


 +----------------------------------------------------------------------------+

SEE ALSO

t.create, t.info

AUTHOR

Sören Gebbert, Thünen Institute of Climate-Smart Agriculture

SOURCE CODE

Available at: t.topology source code (history)

Accessed: Saturday Jul 27 17:09:14 2024

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© 2003-2024 GRASS Development Team, GRASS GIS 8.4.0 Reference Manual

GRASS 8.4.0