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