<para><xref linkend="spatial_ref_sys" />, <xref linkend="ST_SRID" /></para>
</refsection>
</refentry>
+
+ <refentry id="RT_ST_UpperLeftX">
+ <refnamediv>
+ <refname>ST_UpperLeftX</refname>
+ <refpurpose>Returns the upper left x coordinate of raster in projected spatial ref.</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float8 <function>ST_UpperLeftX</function></funcdef>
+ <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <refsection>
+ <title>Description</title>
+
+ <para>Returns the upper left x coordinate of raster in projected spatial ref.</para>
+ </refsection>
+
+ <refsection>
+ <title>Examples</title>
+
+ <programlisting>
+SELECt rid, ST_UpperLeftX(rast) As ulx
+FROM dummy_rast;
+
+ rid | ulx
+-----+------------
+ 1 | 0.5
+ 2 | 3427927.75
+ </programlisting>
+
+ </refsection>
+
+ <refsection>
+ <title>See Also</title>
+ <para><xref linkend="RT_ST_UpperLeftY" />, <xref linkend="RT_ST_GeoReference" />, <xref linkend="RT_ST_Box2D" /></para>
+ </refsection>
+ </refentry>
+
+ <refentry id="RT_ST_UpperLeftY">
+ <refnamediv>
+ <refname>ST_UpperLeftY</refname>
+ <refpurpose>Returns the upper left y coordinate of raster in projected spatial ref.</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>float8 <function>ST_UpperLeftY</function></funcdef>
+ <paramdef><type>raster </type> <parameter>rast</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <refsection>
+ <title>Description</title>
+
+ <para>Returns the upper left y coordinate of raster in projected spatial ref.</para>
+ </refsection>
+
+ <refsection>
+ <title>Examples</title>
+
+ <programlisting>
+SELECt rid, ST_UpperLeftY(rast) As uly
+FROM dummy_rast;
+
+ rid | uly
+-----+---------
+ 1 | 0.5
+ 2 | 5793244
+ </programlisting>
+
+ </refsection>
+
+ <refsection>
+ <title>See Also</title>
+ <para><xref linkend="RT_ST_UpperLeftX" />, <xref linkend="RT_ST_GeoReference" />, <xref linkend="RT_ST_Box2D" /></para>
+ </refsection>
+ </refentry>
<refentry id="RT_ST_Value">
<refnamediv>
</programlisting>
</refsection>
-
- <!-- Optionally add a "See Also" section -->
+
<refsection>
<title>See Also</title>
<para><xref linkend="RT_ST_NumBands" /></para>