<imagedata fileref="images/check.png" />
</imageobject>
</inlinemediaobject> This function supports 3d and will not drop the z-index.</para>
+
+ <!-- Optionally mention Circular String Support -->
+ <para><inlinemediaobject>
+ <imageobject>
+ <imagedata fileref="images/check.png" />
+ </imageobject>
+ </inlinemediaobject> This method supports Circular Strings and curves </para>
</refsection>
<para><xref linkend="ST_Collect" /></para>
</refsection>
</refentry>
+
+ <refentry id="ST_Box2D">
+ <refnamediv>
+ <refname>ST_Box2D</refname>
+
+ <refpurpose>Returns a BOX2D representing the maximum extents of the geometry.</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>box2d <function>ST_Box2D</function></funcdef>
+ <paramdef><type>geometry </type> <parameter>geomA</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <refsection>
+ <title>Description</title>
+
+ <para>Returns a BOX2D representing the maximum extents of the geometry.</para>
+
+ <!-- Optionally mention Circular String Support -->
+ <para><inlinemediaobject>
+ <imageobject>
+ <imagedata fileref="images/check.png" />
+ </imageobject>
+ </inlinemediaobject> This method supports Circular Strings and curves </para>
+ </refsection>
+
+
+ <refsection>
+ <title>Examples</title>
+
+ <programlisting>SELECT ST_Box2D(ST_GeomFromText('LINESTRING(1 2, 3 4, 5 6)'));
+ st_box2d
+ ---------
+ BOX(1 2,5 6)
+
+ SELECT ST_Box2D(ST_GeomFromText('CIRCULARSTRING(220268 150415,220227 150505,220227 150406)'));
+ st_box2d
+ --------
+ BOX(220186.984375 150406,220288.25 150506.140625)
+ </programlisting>
+ </refsection>
+
+ <!-- Optionally add a "See Also" section -->
+ <refsection>
+ <title>See Also</title>
+
+ <para><xref linkend="ST_Box3D" />, <xref linkend="ST_GeomFromText" /></para>
+ </refsection>
+ </refentry>
+
+ <refentry id="ST_Box3D">
+ <refnamediv>
+ <refname>ST_Box3D</refname>
+
+ <refpurpose>Returns a BOX3D representing the maximum extents of the geometry.</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>box3d <function>ST_Box3D</function></funcdef>
+ <paramdef><type>geometry </type> <parameter>geomA</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <refsection>
+ <title>Description</title>
+
+ <para>Returns a BOX3D representing the maximum extents of the geometry.</para>
+
+ <!-- Optionally mention 3d support -->
+ <para><inlinemediaobject>
+ <imageobject>
+ <imagedata fileref="images/check.png" />
+ </imageobject>
+ </inlinemediaobject> This function supports 3d and will not drop the z-index.</para>
+
+ <!-- Optionally mention Circular String Support -->
+ <para><inlinemediaobject>
+ <imageobject>
+ <imagedata fileref="images/check.png" />
+ </imageobject>
+ </inlinemediaobject> This method supports Circular Strings and curves </para>
+ </refsection>
+
+
+ <refsection>
+ <title>Examples</title>
+
+ <programlisting>SELECT ST_Box3D(ST_GeomFromEWKT('LINESTRING(1 2 3, 3 4 5, 5 6 5)'));
+ st_box3d
+ ---------
+ BOX3D(1 2 3,5 6 5)
+
+ SELECT ST_Box3D(ST_GeomFromEWKT('CIRCULARSTRING(220268 150415 1,220227 150505 1,220227 150406 1)'));
+ st_box3d
+ --------
+ BOX3D(220227 150406 1,220268 150415 1)
+ </programlisting>
+ </refsection>
+
+ <!-- Optionally add a "See Also" section -->
+ <refsection>
+ <title>See Also</title>
+
+ <para><xref linkend="ST_Box2D" />, <xref linkend="ST_GeomFromEWKT" /></para>
+ </refsection>
+ </refentry>
<refentry id="ST_Estimated_Extent">
<refnamediv>