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Move over ST_Zmflag

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git-svn-id: http://svn.osgeo.org/postgis/trunk@3504 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Regina Obe 2009-01-09 13:17:28 +00:00
parent f82916840b
commit a2c0010c92
2 changed files with 65 additions and 10 deletions
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9
doc/reference.xml
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@ -413,15 +413,6 @@
<variablelist>
<varlistentry id="zmflag">
<term>ST_zmflag(geometry)</term>
<listitem>
<para>Returns ZM (dimension semantic) flag of the geometries as a
small int. Values are: 0=2d, 1=3dm, 2=3dz, 3=4d.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>ST_nrings(geometry)</term>

66
doc/reference_new.xml
View file

@ -4358,7 +4358,7 @@ SELECT ST_Y(ST_Centroid(ST_GeomFromEWKT('LINESTRING(1 2 3 4, 1 1 1 1)')));
<refsection>
<title>Examples</title>
<programlisting>SELECT ST_Z(ST_GeomFromEWKT('POINT(1 2 3 4)'));
st_y
st_z
------
3
(1 row)
@ -4374,6 +4374,70 @@ SELECT ST_Y(ST_Centroid(ST_GeomFromEWKT('LINESTRING(1 2 3 4, 1 1 1 1)')));
</refsection>
</refentry>
<refentry id="ST_Zmflag">
<refnamediv>
<refname>ST_Zmflag</refname>
<refpurpose>Returns ZM (dimension semantic) flag of the geometries as a
small int. Values are: 0=2d, 1=3dm, 2=3dz, 3=4d.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis>
<funcprototype>
<funcdef>smallint <function>ST_Zmflag</function></funcdef>
<paramdef><type>geometry </type> <parameter>geomA</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsection>
<title>Description</title>
<para>Returns ZM (dimension semantic) flag of the geometries as a
small int. Values are: 0=2d, 1=3dm, 2=3dz, 3=4d.</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>
</refsection>
<refsection>
<title>Examples</title>
<programlisting>SELECT ST_Zmflag(ST_GeomFromEWKT('LINESTRING(1 2, 3 4)'));
st_zmflag
-----------
0
SELECT ST_Zmflag(ST_GeomFromEWKT('LINESTRINGM(1 2 3, 3 4 3)'));
st_zmflag
-----------
1
SELECT ST_Zmflag(ST_GeomFromEWKT('CIRCULARSTRING(1 2 3, 3 4 3, 5 6 3)'));
st_zmflag
-----------
2
SELECT ST_Zmflag(ST_GeomFromEWKT('POINT(1 2 3 4)'));
st_zmflag
-----------
3
</programlisting>
</refsection>
<!-- Optionally add a "See Also" section -->
<refsection>
<title>See Also</title>
<para><xref linkend="ST_CoordDim" /></para>
</refsection>
</refentry>
</sect1>