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<?xml version="1.0" encoding="latin1" ?>
<!DOCTYPE chapter SYSTEM "chapter.dtd">
<chapter>
<header>
<copyright>
<year>2007</year>
<year>2011</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>Percept Release Notes</title>
<prepared>otp_appnotes</prepared>
<docno>nil</docno>
<date>nil</date>
<rev>nil</rev>
<file>notes.xml</file>
</header>
<p>This document describes the changes made to the Percept application.</p>
<section><title>Percept 0.8.7</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Add missing modules in app-file</p>
<p>
Own Id: OTP-10439</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8.6.1</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Miscellaneous documentation build updates</p>
<p>
Own Id: OTP-9813</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8.6</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Fix message handling in select requests</p>
<p>
percept_db used to send results in untagged messages, and
use a non selective receive to extract them. When percept
is used from the shell process, this can confuse other
messages with the actual result.</p>
<p>
Add a tag to the message to be {result, Result}. Add
demonitor to avoid keeping DOWN message in the queue fix
one spec in do_start/0</p>
<p>
(Thanks to Ahmed Omar)</p>
<p>
Own Id: OTP-9490</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8.5</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p> Fixes a race condition found in percept_db start/1
function. (Thanks to Ahmed Omar) </p>
<p>
Own Id: OTP-9012</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8.4</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Fix egd_render transparent to use float constants.</p>
<p>
The render engine has float guards to enhance beam code
generation. However, the default case used integers which
caused the engine to crash. This is now fixed.</p>
<p>
Own Id: OTP-8425</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>The documentation is now possible to build in an open
source environment after a number of bugs are fixed and
some features are added in the documentation build
process. </p>
<p>- The arity calculation is updated.</p>
<p>- The module prefix used in the function names for
bif's are removed in the generated links so the links
will look like
"http://www.erlang.org/doc/man/erlang.html#append_element-2"
instead of
"http://www.erlang.org/doc/man/erlang.html#erlang:append_element-2".</p>
<p>- Enhanced the menu positioning in the html
documentation when a new page is loaded.</p>
<p>- A number of corrections in the generation of man
pages (thanks to Sergei Golovan)</p>
<p>- The legal notice is taken from the xml book file so
OTP's build process can be used for non OTP
applications.</p>
<p>
Own Id: OTP-8343</p>
</item>
<item>
<p>
Cleanups suggested by tidier and modernization of types
and specs.</p>
<p>
Own Id: OTP-8455</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8.3</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
The documentation is now built with open source tools
(xsltproc and fop) that exists on most platforms. One
visible change is that the frames are removed.</p>
<p>
Own Id: OTP-8201</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8.2</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Extensions to <c>egd:color/1</c> for using atoms as color
definition in addition to rgb triplets.</p>
<p>
Own Id: OTP-7975</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8.1</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p><c>egd</c> now supports encapsulated postscript output
format.</p>
<p>
Own Id: OTP-7923</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.8</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>A problem with options list to percept causing some
options to be disregarded unintentionally. This has now
been fixed.</p> <p>An error in <c>percept_analyzer</c>
caused calculation of standard deviation to be incorrect.
This has now been corrected.</p>
<p>
Own Id: OTP-7693</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>Updated css for percept server for enhanced
viewing.</p> <p>Increased performance of egd render.</p>
<p>Several graph errors could occur when compacting data
to decrease graph rendering time causing incorrect
scalability numbers. These errors have now been
fixed.</p> <p>Increased viewing width for graphs. The
viewing width is now dependent on client screen
resolution.</p>
<p>
Own Id: OTP-7696</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.7.3</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>External pids caused the webserver to crash. This has
now been fixed.</p>
<p>
Own Id: OTP-7515 Aux Id: seq11004 </p>
</item>
<item>
<p>Fixed a timestamp problem where some events could be
sent out of order. Minor fixes to presentation of
data.</p>
<p>
Own Id: OTP-7544 Aux Id: otp-7442 </p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>Performance enhancement for the egd render engine
(Thanks to Magnus Thoäng).</p>
<p>
Own Id: OTP-7616</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.7.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>Calling <c>egd:destroy/1</c> did not properly remove
the process holding the image.</p>
<p>Synchronous calls done via the egd interface could
erroneous receive messages not intended for egd. Messages
are now tagged in such a way so this should not
occur.</p>
<p>
Own Id: OTP-7336</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.7.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Fixed out of bounds rendering problem in egd which could
cause the rendering process to crash.</p>
<p>
Own Id: OTP-7215</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.7</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>Percept no longer depends on external c-libraries. The
graphical rendering is now done via erlang code.</p>
<p>
Own Id: OTP-7162</p>
</item>
</list>
</section>
</section>
<section><title>Percept 0.6.2</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
A new module, percept_profile, can now be used to collect
profiling data even if the percept application is not
installed. This should help profiling erlang application
on target machines without libgd installed.</p>
<p>
Own Id: OTP-7126</p>
</item>
</list>
</section>
</section>
<section>
<title>Percept 0.5.0</title>
<section><title>First Release</title>
<list>
<item>
<p>
First Release.
</p>
<p>Own Id: OTP-6783</p>
</item>
</list>
</section>
</section>
</chapter>
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