t.topology (1)
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:
-m
Print temporal topological relationships and exit
-s
Print spatio-temporal topological relationships and exit
--help
Print usage summary
--verbose
Verbose module output
--quiet
Quiet module output
--ui
Force launching GUI dialog
Parameters:
input=name [required]
Name of the input space time dataset
type=name
Type of the input space time dataset
Options: strds, stvds, str3ds
Default: strds
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'
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
Sren Gebbert, Thnen Institute of Climate-Smart Agriculture
Last changed: $Date: 2014-12-03 20:39:26 +0100 (Wed, 03 Dec 2014) $
SOURCE CODE
Available at: t.topology source code (history)
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2003-2017 GRASS Development Team, GRASS GIS 7.2.1 Reference Manual