<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>t.topology.py - GRASS GIS manual</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <link rel="stylesheet" href="grassdocs.css" type="text/css"> </head> <body bgcolor="white"> <div id="container"> <a href="index.html"><img src="grass_logo.png" alt="GRASS logo"></a> <hr class="header"> <h2>NAME</h2> <em><b>t.topology.py</b></em> - Lists temporal topology of a space time dataset. <h2>KEYWORDS</h2> <a href="temporal.html">temporal</a>, <a href="topic_topology.html">topology</a>, <a href="keywords.html#time">time</a> <h2>SYNOPSIS</h2> <div id="name"><b>t.topology.py</b><br></div> <b>t.topology.py --help</b><br> <div id="synopsis"><b>t.topology.py</b> [-<b>ms</b>] <b>input</b>=<em>name</em> [<b>type</b>=<em>name</em>] [<b>where</b>=<em>sql_query</em>] [--<b>help</b>] [--<b>verbose</b>] [--<b>quiet</b>] [--<b>ui</b>] </div> <div id="flags"> <h3>Flags:</h3> <dl> <dt><b>-m</b></dt> <dd>Print temporal topological relationships and exit</dd> <dt><b>-s</b></dt> <dd>Print spatio-temporal topological relationships and exit</dd> <dt><b>--help</b></dt> <dd>Print usage summary</dd> <dt><b>--verbose</b></dt> <dd>Verbose module output</dd> <dt><b>--quiet</b></dt> <dd>Quiet module output</dd> <dt><b>--ui</b></dt> <dd>Force launching GUI dialog</dd> </dl> </div> <div id="parameters"> <h3>Parameters:</h3> <dl> <dt><b>input</b>=<em>name</em> <b>[required]</b></dt> <dd>Name of the input space time dataset</dd> <dt><b>type</b>=<em>name</em></dt> <dd>Type of the input space time dataset</dd> <dd>Options: <em>strds, stvds, str3ds</em></dd> <dd>Default: <em>strds</em></dd> <dt><b>where</b>=<em>sql_query</em></dt> <dd>WHERE conditions of SQL statement without 'where' keyword used in the temporal GIS framework</dd> <dd>Example: start_time > '2001-01-01 12:30:00'</dd> </dl> </div> <div class="toc"> <h4 class="toc">Table of contents</h4> <ul class="toc"> <li class="toc"><a href="#description" class="toc">DESCRIPTION</a></li> <li class="toc"><a href="#example" class="toc">EXAMPLE</a></li> <li class="toc"><a href="#see-also" class="toc">SEE ALSO</a></li> <li class="toc"><a href="#author" class="toc">AUTHOR</a></li> </ul> </div> <h2><a name="description">DESCRIPTION</a></h2> The module <em>t.topology</em> lists temporal relations of the maps in a space time dataset. <h2><a name="example">EXAMPLE</a></h2> In order to obtain information about space time dataset topology, run: <div class="code"><pre> 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 +----------------------------------------------------------------------------+ </pre></div> <h2><a name="see-also">SEE ALSO</a></h2> <em> <a href="t.create.html">t.create</a>, <a href="t.info.html">t.info</a> </em> <h2><a name="author">AUTHOR</a></h2> Sören Gebbert, Thünen Institute of Climate-Smart Agriculture <!-- <p> <i>Last changed: $Date$</i> --> <h2>SOURCE CODE</h2> <p>Available at: <a href="https://github.com/OSGeo/grass/tree/master/temporal/t.topology">t.topology source code</a> (<a href="https://github.com/OSGeo/grass/commits/master/temporal/t.topology">history</a>)</p> <hr class="header"> <p> <a href="index.html">Main index</a> | <a href="temporal.html">Temporal index</a> | <a href="topics.html">Topics index</a> | <a href="keywords.html">Keywords index</a> | <a href="graphical_index.html">Graphical index</a> | <a href="full_index.html">Full index</a> </p> <p> © 2003-2020 <a href="http://grass.osgeo.org">GRASS Development Team</a>, GRASS GIS 7.8.5 Reference Manual </p> </div> </body> </html>