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+<?xml version="1.0" encoding="latin1" ?>
+<!DOCTYPE chapter SYSTEM "chapter.dtd">
+
+<chapter>
+  <header>
+    <copyright>
+      <year>2007</year>
+      <year>2007</year>
+      <holder>Ericsson AB, All Rights Reserved</holder>
+    </copyright>
+    <legalnotice>
+  The contents of this file are subject to the Erlang Public License,
+  Version 1.1, (the "License"); you may not use this file except in
+  compliance with the License. You should have received a copy of the
+  Erlang Public License along with this software. If not, it can be
+  retrieved online at http://www.erlang.org/.
+
+  Software distributed under the License is distributed on an "AS IS"
+  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+  the License for the specific language governing rights and limitations
+  under the License.
+
+  The Initial Developer of the Original Code is Ericsson AB.
+    </legalnotice>
+
+    <title>egd</title>
+    <prepared>Bj�rn-Egil Dahlberg</prepared>
+    <docno></docno>
+    <date>2007-11-03</date>
+    <rev>A</rev>
+    <file>egd_ug.xml</file>
+  </header>
+  <section>
+    <title>Introduction</title>
+      <p>
+	The egd module is an interface for 2d-image rendering and is used by
+	Percept to generate dynamic graphs to its web pages. All code is pure
+	erlang, no drivers needed.
+      </p>
+      <p>
+	The library is intended for small to medium image sizes with low
+	complexity for optimal performance. The library handles horizontal
+	lines better then vertical lines.
+      </p>
+      <p>
+	The foremost purpose for this module is to enable users to 
+	generate images from erlang code and/or datasets and to 
+	send these images to either files or web servers.
+      </p>
+  </section>
+  <section>
+    <title>File example</title>
+      <p>Drawing examples:</p>
+      <codeinclude file="img.erl" tag="" type="none"></codeinclude>
+      <image file="test1.gif">
+      First save.
+        <icaption>test1.png</icaption>
+      </image>
+      <image file="test2.gif">
+      Second save.
+        <icaption>test2.png</icaption>
+      </image>
+      <image file="test3.gif">
+      Third save.
+        <icaption>test3.png</icaption>
+      </image>
+      <image file="test4.gif">
+      Fourth save.
+        <icaption>test4.png</icaption>
+      </image>
+  </section>
+  <section>
+    <title>ESI example</title>
+      <p>Using egd with inets ESI to generate images on the fly:</p>
+      <codeinclude file="img_esi.erl" tag="" type="none"></codeinclude>
+      <image file="img_esi_result.gif">
+        <icaption>Example of result.</icaption>
+      </image>
+      <p>
+	For more information regarding ESI, please see inets application 
+	<seealso marker="inets:mod_esi">mod_esi</seealso>.
+      </p>
+  </section>
+</chapter>
+
+