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st_metadata

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git-svn-id: http://svn.osgeo.org/postgis/trunk@5727 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Regina Obe 2010-07-07 13:59:38 +00:00
parent 0bd39effc8
commit 547c58af8f
1 changed files with 43 additions and 0 deletions
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43
doc/reference_wktraster.xml
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@ -612,6 +612,49 @@ FROM dummy_rast;
</refsection>
</refentry>
<refentry id="RT_ST_MetaData">
<refnamediv>
<refname>ST_MetaData</refname>
<refpurpose>Returns basic meta data about a raster object such as skew, rotation, upper,lower left etc.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcprototype>
<funcdef>record <function>ST_MetaData</function></funcdef>
<paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsection>
<title>Description</title>
<para>Returns basic meta data about a raster object such as skew, rotation, upper,lower left etc. Columns returned
upperleftx | upperlefty | width | height | pixelsizex | pixelsizey | skewx | skewy | srid | numbands</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting>SELECT rid, (foo.md).*
FROM (SELECT rid, ST_MetaData(rast) As md
FROM dummy_rast) As foo;
rid | upperleftx | upperlefty | width | height | pixelsizex | pixelsizey | skewx | skewy | srid | numbands
-----+------------+------------+-------+--------+-----------+-----------+-------+-------+------+----------
1 | 0.5 | 0.5 | 10 | 20 | 2 | 3 | 0 | 0 | 0 | 0
2 | 3427927.75 | 5793244 | 5 | 5 | 0.05 | -0.05 | 0 | 0 | -1 | 3
</programlisting>
</refsection>
<!-- Optionally add a "See Also" section -->
<refsection>
<title>See Also</title>
<para><xref linkend="RT_ST_NumBands" /></para>
</refsection>
</refentry>
<refentry id="RT_ST_NumBands">
<refnamediv>
<refname>ST_NumBands</refname>