Revision: 57345
http://sourceforge.net/p/brlcad/code/57345
Author: tbrowder2
Date: 2013-08-30 23:19:57 +0000 (Fri, 30 Aug 2013)
Log Message:
-----------
continuing to improve; note handling of authorship
Modified Paths:
--------------
brlcad/trunk/doc/docbook/presentations/en/brlcad-app-devel.xml
Modified: brlcad/trunk/doc/docbook/presentations/en/brlcad-app-devel.xml
===================================================================
--- brlcad/trunk/doc/docbook/presentations/en/brlcad-app-devel.xml
2013-08-30 21:33:28 UTC (rev 57344)
+++ brlcad/trunk/doc/docbook/presentations/en/brlcad-app-devel.xml
2013-08-30 23:19:57 UTC (rev 57345)
@@ -1,20 +1,19 @@
-<?xml version="1.0" encoding="us-ascii"?>
-<article xmlns="http://docbook.org/ns/docbook"; version="5.0" xml:lang="en">
- <info>
- <title>Building Applications</title>
- </info>
+<article
+ xmlns="http://docbook.org/ns/docbook";
+ version="5.0"
+>
-<section>
<title>Application Development with BRL-CAD</title>
-<para>WARNING Code Intensive Presentation</para>
+<para>Note: This is based on an old Power Point presentation by Lee
+A. Butler and John Anderson. It has been extensively reformatted and
+is being brought up-to-date, by the BRL-CAD Team, with the current state of
the BRL-CAD source the
+best practices recommended by the BRL-CAD developers</para>
-<para>For Code Warriors Only! Non-programmers will need atropine,
-caffeine, and electro-shock therapy (run, do not walk, to the nearest
-exit)</para>
+<para>WARNING: This a code-intensive presentation for Code Warriors only!
+Non-programmers will need atropine, caffeine, and electro-shock
+therapy (run, do not walk, to the nearest exit).</para>
-</section>
-
<section>
<title>Overview</title>
@@ -132,7 +131,7 @@
</section>
<section>
- <para>Prototype Application: rtexample.c</para>
+ <title>Prototype Application: rtexample.c</title>
<itemizedlist>
<listitem>
@@ -158,10 +157,9 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Necessary Headers</para>
+ <title>Necessary Headers</title>
-<programlisting>
-#include "conf.h" /* compilation macros */
+<programlisting>#include "conf.h" /* compilation macros */
#include <stdio.h>
#include <math.h>
#include "machine.h" /* machine specific definitions */
@@ -199,10 +197,9 @@
-->
<section>
-<para>Opening the Database</para>
+<title>Opening the Database</title>
-<programlisting>
-static struct rt_i *rtip; /* librt Instance structure */
+<programlisting>static struct rt_i *rtip; /* librt Instance structure */
/* rt_dirbuild() performs many functions for us */
rtip = rt_dirbuild(argv[1], buf, sizeof(buf));
if (rtip == RTI_NULL) {
@@ -230,8 +227,7 @@
</listitem>
</orderedlist>
-<programlisting>
-if (rt_gettree(rtip, argv[2]) < 0)
+<programlisting>if (rt_gettree(rtip, argv[2]) < 0)
fprintf(stderr,"rt_gettree(%s) FAILED\n", argv[2]);
</programlisting>
@@ -245,10 +241,9 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Preparing Geometry for Raytracing</para>
+ <title>Preparing Geometry for Raytracing</title>
-<programlisting>
-rt_prep_parallel(rtip,1);
+<programlisting>rt_prep_parallel(rtip,1);
</programlisting>
<itemizedlist>
@@ -278,8 +273,7 @@
<section>
<para>Application Struct and Shot</para>
-<programlisting>
-struct application ap;
+<programlisting>struct application ap;
ap.a_rt_i = rtip;
VSET(ap.a_ray.r_pt, 0, 0, 10000);
VSET(ap.a_ray.r_dir, 0, 0, -1);
@@ -306,8 +300,7 @@
<para>Excerpts of application struct from raytrace.h:</para>
-<programlisting>
-struct application {
+<programlisting>struct application {
struct xray a_ray; /* Actual ray to be shot */
int (*a_hit)(struct application *,
@@ -323,22 +316,13 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Miss Routine</para>
+ <title>Miss Routine</title>
<itemizedlist>
<listitem>
<para>Called when ray does not hit any geometry</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
@@ -346,44 +330,29 @@
<section>
<para>Hit Routine</para>
-<orderedlist><listitem>
- <para>hit(register struct application *ap, /* see raytrace.h */</para>
- <para>struct partition *PartHeadp) /* see raytrace.h */</para>
- <para>{</para>
- <para>register struct partition *pp;</para>
- <para>register struct hit *hitp;</para>
- <para>point_t pt;</para>
- <para>for (pp = PartHeadp->pt_forw;</para>
- <para>pp != PartHeadp;</para>
- <para>pp = pp->pt_forw ) {</para>
- <para>hitp = pp->pt_inhit;</para>
- <para>VJOIN1( pt, ap->a_ray.r_pt, hitp->hit_dist,
ap->a_ray.r_dir);</para>
- </listitem>
-</orderedlist><itemizedlist>
- <listitem>
- <para><itemizedlist>
- <listitem>
- <para><orderedlist><listitem>
- <para>VPRINT(Hit Point, pt);</para>
- </listitem>
-</orderedlist></para>
- </listitem>
- </itemizedlist>
-</para>
- </listitem>
- </itemizedlist>
-<orderedlist><listitem>
- <para>}</para>
- <para>return 1; /* value returned by rt_shootray();</para>
- <para>}</para>
- </listitem>
-</orderedlist>
+<programlisting>int
+hit(register struct application *ap, /* see raytrace.h */
+ struct partition *PartHeadp) /* see raytrace.h */
+{
+ register struct partition *pp;
+ register struct hit *hitp;
+ point_t pt;
+ for (pp = PartHeadp->pt_forw;
+ pp != PartHeadp;
+ pp = pp->pt_forw ) {
+ hitp = pp->pt_inhit;
+ VJOIN1( pt, ap->a_ray.r_pt, hitp->hit_dist, ap->a_ray.r_dir);
+ VPRINT(Hit Point, pt);
+ }
+ return 1; /* value returned by rt_shootray();
+}
+</programlisting>
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Hit Routine Breakdown</para>
+ <title>Hit Routine Breakdown</title>
<itemizedlist>
<listitem>
@@ -398,7 +367,7 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Partition Structure</para>
+ <title>Partition Structure</title>
<itemizedlist>
<listitem>
@@ -411,70 +380,50 @@
<section>
<para>Hit Structure</para>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<orderedlist><listitem>
- <para> struct hit {</para>
- <para>long hit_magic;</para>
- <para>fastf_t hit_dist; /* dist from r_pt to hit_point */</para>
- <para>point_t hit_point; /* Intersection point */</para>
- <para>vect_t hit_normal; /* Surface Normal at hit_point */</para>
- <para>vect_t hit_vpriv; /* PRIVATE vector for xxx_*() */</para>
- <para>genptr_t hit_private; /* PRIVATE handle for xxx_shot() */</para>
- <para>int hit_surfno; /* solid-specific surface indicator */</para>
- <para>struct xray *hit_rayp; /* pointer to defining ray */</para>
- <para>};</para>
- </listitem>
-</orderedlist>
+<programlisting>
+struct hit {
+ long hit_magic;
+ fastf_t hit_dist; /* dist from r_pt to hit_point */
+ point_t hit_point; /* Intersection point */
+ vect_t hit_normal; /* Surface Normal at hit_point */
+ vect_t hit_vpriv; /* PRIVATE vector for xxx_*() */
+ void *hit_private; /* PRIVATE handle for xxx_shot() */
+ int hit_surfno; /* solid-specific surface indicator */
+ struct xray *hit_rayp; /* pointer to defining ray */
+};
+</programlisting>
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Hit Routine (Again)</para>
+ <title>Hit Routine (Again)</title>
-<orderedlist><listitem>
- <para> hit(register struct application *ap, /* see raytrace.h */</para>
- <para>struct partition *PartHeadp) /* see raytrace.h */</para>
- <para>{</para>
- <para>register struct partition *pp;</para>
- <para>register struct hit *hitp;</para>
- <para>point_t pt;</para>
- <para>for (pp = PartHeadp->pt_forw;</para>
- <para>pp != PartHeadp;</para>
- <para>pp = pp->pt_forw ) {</para>
- <para>hitp = pp->pt_inhit;</para>
- <para>VJOIN1(pt, ap->a_ray.r_pt, hitp->hit_dist,
ap->a_ray.r_dir);</para>
- </listitem>
-</orderedlist><itemizedlist>
- <listitem>
- <para><itemizedlist>
- <listitem>
- <para><orderedlist><listitem>
- <para>VPRINT(Hit Point, pt);</para>
- </listitem>
-</orderedlist></para>
- </listitem>
- </itemizedlist>
-</para>
- </listitem>
- </itemizedlist>
-<orderedlist><listitem>
-<para>}</para>
-<para>return 1; /* value returned by rt_shootray();</para>
-<para>}</para>
-</listitem>
-</orderedlist>
+<programlisting>
+int
+hit(register struct application *ap, /* see raytrace.h */
+ struct partition *PartHeadp) /* see raytrace.h */
+{
+ register struct partition *pp;
+ register struct hit *hitp;
+ point_t pt;
+ for (pp = PartHeadp->pt_forw;
+ pp != PartHeadp;
+ pp = pp->pt_forw ) {
+ hitp = pp->pt_inhit;
+ VJOIN1(pt, ap->a_ray.r_pt, hitp->hit_dist, ap->a_ray.r_dir);
+ VPRINT(Hit Point, pt);
+ }
+ return 1; /* value returned by rt_shootray();
+}
+</programlisting>
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Using the RTUIF</para>
+ <title>Using the RTUIF</title>
-<!-- Next 'div' is a draw:frame. -->
-
<itemizedlist>
<listitem>
<para>Makes shooting grids of rays easy.</para>
@@ -494,12 +443,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>The 5 RTUIF Functions</para>
+ <title>The 5 RTUIF Functions</title>
-<!-- Next 'div' is a draw:frame. -->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>view_init</para>
@@ -522,20 +467,10 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
+ <title>RTUIF Routines1</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
+
<orderedlist><listitem>
- <para>RTUIF Routines1</para>
- </listitem>
-</orderedlist> <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<orderedlist><listitem>
<para>int view_init(struct application *ap, char *file,</para>
<para>char *obj, int minus_o);</para>
<para>Called by main() at the start of a run. Returns 1 if framebuffer
should be opened, else 0.</para>
@@ -563,7 +498,7 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>RTUIF Routines2</para>
+ <title>RTUIF Routines2</title>
<orderedlist><listitem>
<para> int rayhit(struct application *ap, struct partition
*PartHeadp);</para>
@@ -577,11 +512,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>RTUIF Routines3</para>
+ <title>RTUIF Routines3</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<orderedlist><listitem>
<para> void view_pixel(struct application *ap);</para>
<para>Called by worker() after the end of proccessing for</para>
@@ -595,31 +527,15 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>So Much for the Trivialities</para>
+ <title>So Much for the Trivialities</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<itemizedlist>
- <listitem>
<para>Now we look at actual geometry</para>
- </listitem>
- </itemizedlist>
-<!--
-Next 'div' was a 'draw:page'.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<orderedlist><listitem>
- <para> Thinking About Geometry</para>
- </listitem>
-</orderedlist> <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
+</section>
+
+<!-- Next 'div' was a 'draw:page'. -->
+<section>
+ <title> Thinking About Geometry</title>
+
<itemizedlist>
<listitem>
<para>How to create it</para>
@@ -637,26 +553,12 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
+ <title>Geometric Representation</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<orderedlist><listitem>
- <para>Geometric Representation</para>
- </listitem>
-</orderedlist> <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
+ <para>BRL-CAD geometry has 3 forms:</para>
+
<itemizedlist>
<listitem>
- <para>BRL-CAD geometry has 3 forms:</para>
- </listitem>
- </itemizedlist>
-<itemizedlist>
- <listitem>
<para><itemizedlist>
<listitem>
<para>External (Disk/DB)</para>
@@ -701,11 +603,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>On-Disk Representation</para>
+ <title>On-Disk Representation</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Space Efficient</para>
@@ -757,11 +656,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Internal Representation</para>
+ <title>Internal Representation</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Convenient editing form</para>
@@ -793,11 +689,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Prepped Representation</para>
+ <title>Prepped Representation</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>The form that is actually raytraced</para>
@@ -839,53 +732,25 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Simple Database Application</para>
+ <title>Simple Database Application</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<itemizedlist>
- <listitem>
<para>Necessary headers</para>
- </listitem>
- </itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Opening The Database</para>
+ <title>Opening The Database</title>
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<!--
-Next 'div' was a 'draw:page'.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<orderedlist><listitem>
- <para>Creating Geometry</para>
- </listitem>
-</orderedlist> <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
+<programlisting>
+</programlisting>
+
+</section>
+
+<!-- Next 'div' was a 'draw:page'. -->
+<section>
+ <title>Creating Geometry</title>
+
<itemizedlist>
<listitem>
<para>Note: All db units are in mm</para>
@@ -901,119 +766,47 @@
</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para> Getting Geometry</para>
+ <title>Getting Geometry</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<itemizedlist>
- <listitem>
- <para>To retrieve geometry, we have to get an internal
representation</para>
- </listitem>
- </itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<!--
-Next 'div' was a 'draw:page'.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<orderedlist><listitem>
- <para>Primitive Methods</para>
- </listitem>
-</orderedlist> <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
-<itemizedlist>
- <listitem>
- <para>Retrieved geometry has a specific set of defined operations and
methods available</para>
- </listitem>
- <listitem>
- <para>See h/raytrace.h for a description of</para>
- </listitem>
- </itemizedlist>
-<itemizedlist>
- <listitem>
- <para><orderedlist><listitem>
- <para>struct rt_functab</para>
- </listitem>
-</orderedlist></para>
- </listitem>
- </itemizedlist>
-<itemizedlist>
- <listitem>
- <para>Primitives should implement every method</para>
- </listitem>
- </itemizedlist>
-<itemizedlist>
- <listitem>
- <para><itemizedlist>
- <listitem>
- <para>Some do not. See librt/table.c for specifics</para>
- </listitem>
- </itemizedlist>
-</para>
- </listitem>
- </itemizedlist>
+ <para>To retrieve geometry, we have to get an internal
representation</para>
+
</section>
+<!-- Next 'div' was a 'draw:page'. -->
+<section>
+ <title>Primitive Methods</title>
+ <para>Retrieved geometry has a specific set of defined operations
+ and methods available. See <filename>h/raytrace.h</filename> for a
+ description of <filename>struct rt_functab</filename>.</para>
+
+ <para>Primitives should implement every method, but some do not. See
+ librt/table.c for specifics.</para>
+
+</section>
+
+
<!-- Next 'div' was a 'draw:page'. -->
<section>
<para>Putting Geometry Back</para>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Database I/O layer converts from internal to external
format.</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<section>
<para>Building Boolean Trees</para>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Regions/combinations used to store boolean trees.</para>
@@ -1076,11 +869,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Constructing Boolean List</para>
+ <title>Constructing Boolean List</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Build the list of elements first:</para>
@@ -1091,11 +881,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Regions/Combinations</para>
+ <title>Regions/Combinations</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Constructing the actual combination record</para>
@@ -1116,21 +903,12 @@
</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Retrieving A Combination</para>
+ <title>Retrieving A Combination</title>
<itemizedlist>
<listitem>
@@ -1153,25 +931,13 @@
</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Combination Write-Back</para>
+ <title>Combination Write-Back</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Modify the boolean tree</para>
@@ -1180,25 +946,13 @@
<para>Write back out to db</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Combination Tree Info</para>
+ <title>Combination Tree Info</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Need to prep the tree to obtain geometry</para>
@@ -1214,25 +968,13 @@
</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Processing combination tree</para>
+ <title>Processing combination tree</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Now to retrieve a treetop and prep:</para>
@@ -1241,25 +983,13 @@
<para>This could have been any level in the tree, not just a
region.</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Accessing Prepped Regions</para>
+ <title>Accessing Prepped Regions</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>rtip has list of regions</para>
@@ -1271,25 +1001,13 @@
<para>Example: getting bounding box of regions</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Making Temporary Changes</para>
+ <title>Making Temporary Changes</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Changes that only last for 1 application run</para>
@@ -1303,11 +1021,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Dynamic Geometry</para>
+ <title>Dynamic Geometry</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Involves special inmem database</para>
@@ -1342,11 +1057,8 @@
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Accessing inmem database</para>
+ <title>Accessing inmem database</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>small difference in wdb_dbopen call</para>
@@ -1355,53 +1067,20 @@
<para>all writes to this rt_wdb will go to memory database only</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
<!-- Next 'div' was a 'draw:page'. -->
<section>
- <para>Closing the Database</para>
+ <title>Closing the Database</title>
- <!--
-Next 'div' was a 'draw:text-box'.
--->
<itemizedlist>
<listitem>
<para>Important to flush data and purge data structures!</para>
</listitem>
</itemizedlist>
- <!--
-Next 'div' added for floating.
--->
- <!--
-Next 'div' is a draw:frame.
--->
- <!--
-Next 'div' was a 'draw:text-box'.
--->
</section>
-<!-- Next 'div' was a 'draw:page'. -->
-<section>
- <para>Thank you</para>
-
- <orderedlist><listitem>
- <para>Lee A. Butler</para>
- <para>John Anderson</para>
- </listitem>
- </orderedlist>
-
-</section>
-
</article>
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