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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
project.
Copyright (C) 1998-2018 OpenLink Software
This project is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; only version 2 of the License, dated June 1991.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
$
-->
<refentry id="fn_http_st_dxf_entity">
<refmeta>
<refentrytitle>http_st_dxf_entity</refentrytitle>
<refmiscinfo>geo</refmiscinfo>
</refmeta>
<refnamediv>
<refname>http_st_dxf_entity</refname>
<refpurpose>writes a DXF (Data Exchange Format) representation of shape into the given output session.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_http_st_dxf_entity">
<funcprototype id="fproto_http_st_dxf_entity">
<funcdef><function>http_st_dxf_entity</function></funcdef>
<paramdef>in <parameter>shape</parameter> any</paramdef>
<paramdef>in <parameter>attrs</parameter> vector</paramdef>
<paramdef>in <parameter>sess</parameter> any</paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_http_st_dxf_entity">
<title>Description</title>
<para>This function writes a DXF (Data Exchange Format) representation of shape into the given output session.</para>
</refsect1>
<refsect1 id="params_http_st_dxf_entity">
<title>Parameters</title>
<refsect2><title>shape</title><para>If shape is null, the function returns without writing anything to the shape. </para></refsect2>
<refsect2><title>attrs</title><para>vector of arbitrary DXF properties in form (tag1, value1, tag2, value2...)
where tags are integer codes according to DXF specification; related values are not validated and are printed
to the session as-is. Current version does not support ARCSTRINGs, CURVEs, nor CURVEPOLYGONs.</para></refsect2>
<refsect2><title>sess</title><para>Output session.</para></refsect2>
</refsect1>
<refsect1 id="examples_http_st_dxf_entity">
<title>Examples</title>
<example id="ex_http_st_dxf_entity"><title>Simple example</title>
<screen><![CDATA[
create procedure Example_http_st_dxf_entity ()
{
declare ses, ctx any;
ses := string_output ();
for (select a1, deserialize (Example_GEOM) as geom from Demo.Demo."Example_Countries") do
http_st_dxf_entity (geom, vector (62, 0)), ses);
string_to_file ('examples/Example_http_st_dxf_entity.dxf', ses, -2);
}
;
]]>
</screen>
</example>
</refsect1>
<!--refsect1 id="seealso_http_st_dxf_entity">
<title>See Also</title>
<para><link linkend="fn_XXX"><function>XXX()</function></link></para>
</refsect1-->
</refentry>
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