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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Alembic</title>
</head>
<body background="images/alembic_bkg.jpg" bgcolor="#000000" leftmargin=0 topmargin=0 marginheight=0 marginwidth=0 alink="#cccccc" link="#cccccc" vlink="#cccccc" text="#999999">
<STYLE>
body {font-family: Verdana, Arial, Helvetica, sans-serif; color:cccccc;}
b {font-family: Verdana, Arial, Helvetica, sans-serif;}
td {font-family: Verdana, Arial, Helvetica, sans-serif; color:cccccc;}
table {font-family: Verdana, Arial, Helvetica, sans-serif;}
p {font-family: Verdana, Arial, Helvetica, sans-serif; color:cccccc; line-height: 18px;}
a {font-family: Verdana, Arial, Helvetica, sans-serif; text-decoration: none;}
h5 {font-family: Verdana, Arial, Helvetica, sans-serif; color:cccccc;}
</STYLE>
<table width="770" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="270" valign="top">
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td colspan="2" align="left"><a href="index.html"><img src="images/alembic_logo.jpg" width="255" height="234" alt="" border="0"></a></td>
</tr>
<tr>
<td valign="top"><!-- begin navigation -->
<table width="182" border="0" cellspacing="0" cellpadding="0">
<tr>
<td><img src="images/spacer.gif" width="142" height="5" alt="" border="0"></td>
<td><img src="images/spacer.gif" width="42" height="5" alt="" border="0"></td>
</tr>
<tr>
<td align="right"><a href="index.html" style="text-decoration: none;"><br><font face="Arial,Helvetica,sans-serif" size="1">HOME</font></a><br><br>
<font face="Arial,Helvetica,sans-serif" size="1" color="#cccccc">
</td>
<td><img src="images/arrow.gif" width="42" height="28" alt="" border="0"></td>
</tr>
<tr>
<td align="right"><a href="updates.html" style="text-decoration: none;"><font face="Arial,Helvetica,sans-serif" size="1">UPDATES</font></a><br><br></td>
<td><img src="images/spacer.gif" width="42" height="28" alt="" border="0"></td>
</tr>
<tr>
<td align="right"><a href="https://github.com/alembic/alembic/releases" target="_blank" style="text-decoration: none;"><font face="Arial,Helvetica,sans-serif" size="1">RELEASES</font></a><br><br></td>
<td><img src="images/spacer.gif" width="42" height="28" alt="" border="0"></td>
</tr>
<tr>
<td align="right"><a href="http://github.com/alembic/alembic" target="_blank" style="text-decoration: none;"><font face="Arial,Helvetica,sans-serif" size="1">SOURCE</font></a><br><br></td>
<td><img src="images/spacer.gif" width="42" height="28" alt="" border="0"></td>
</tr>
<tr>
<td align="right"><a href="http://docs.alembic.io/" target="_blank" style="text-decoration: none;"><font face="Arial,Helvetica,sans-serif" size="1">DOCUMENTATION</font></a><br><br></td>
<td><img src="images/spacer.gif" width="42" height="28" alt="" border="0"></td>
</tr>
<tr>
<td align="right"><a href="http://groups.google.com/group/alembic-announce" target="_blank" style="text-decoration: none;"><font face="Arial,Helvetica,sans-serif" size="1">MAILING LIST</font></a><br><br></td>
<td><img src="images/spacer.gif" width="42" height="28" alt="" border="0"></td>
</tr>
</table></td>
<td width="80" valign="top"><img src="images/spacer.gif" width="80" height="2" alt="" border="0"></td>
</tr>
</table><!-- end navigation --></td>
<td width="500" valign="top" bgcolor="#000000">
<table width="500" border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="right" valign="top"> <a href="http://opensource.imageworks.com" target="_blank"><img src="images/sony.gif" width="161" height="55" alt="" border="0"></a> <a href="http://www.lucasfilm.com" target="_blank"><img src="images/lfl.gif" width="115" height="64" alt="" border="0"></a><br>
<img src="images/spacer.gif" width="10" height="65" alt="" border="0"></td>
</tr>
<tr>
<td valign="top"><!-- header --><a name="top"><font face="Verdana, Arial, Helvetica, sans-serif" size="3" color="#870F33"><b><a name="top">INTRODUCTION</a></b></font></a></td>
</tr>
<tr>
<td valign="top" bgcolor="#870F33"><img src="images/spacer.gif" width="10" height="1" alt="" border="0"></td>
</tr>
<tr>
<td valign="top">
<!-- begin content -->
<font size="2" face="Verdana, Arial, Helvetica, sans-serif">
<br>Alembic is an open computer graphics interchange framework. Alembic distills complex, animated scenes into a non-procedural, application-independent set of baked geometric results. This ‘distillation' of scenes into baked geometry is exactly analogous to the distillation of lighting and rendering scenes into rendered image data.</p><p>
Alembic is focused on efficiently storing the computed results of complex procedural geometric constructions. It is very specifically NOT concerned with storing the complex dependency graph of procedural tools used to create the computed results. For example, Alembic will efficiently store the animated vertex positions and animated transforms that result from an arbitrarily complex animation and simulation process which could involve enveloping, corrective shapes, volume-preserving simulations, cloth and flesh simulations, and so on. Alembic will not attempt to store a representation of the network of computations (rigs, basically) which are required to produce the final, animated vertex positions and animated transforms.
</p>
<br />
<p>
<a name="whatis"><font face="Verdana, Arial, Helvetica, sans-serif" size="3" color="#870F33"><b>WHAT IS ALEMBIC?</b></font><br>
<p>Alembic...</p>
<ul>
<li>...Is a data representation scheme for storing computer graphics scenes
<li>...Distills the results of artist disciplines for handoff to other artists in other disciplines
<li>...Is focused on the greatest common divisor between applications, the 'periodic table of cg primitives'
<li>...Is extensible to support new workflows and new tools
</ul>
<p>Alembic Is Not...</p>
<ul>
<li>...A dependency graph, nor a procedural data transformation tool
<li>...A replacement for native application scene file formats
<li>...An asset management application
<li>...A general rigging storage solution
</ul>
<p>Alembic Would Be Used...</p>
<ul>
<li>...To bake the results of an animated scene for hand-off to lighting & rendering
<li>...To hand off an animated creature for cloth or flesh simulation
<li>...To store the results of a cloth or flesh simulation for use in lighting & rendering
<li>...To hand off animated geometry to a physical simulation engine
<li>...To store the results of a physical simulation engine for use in lighting & rendering
</ul>
<p>Alembic Would Not Be Used...</p>
<ul>
<li>...To transport complex procedural animation rigs between different applications
<li>...To make lossless round trips out of and into the same computation context
<li>...To construct complex networks of procedural tools
</ul>
</FONT>
</p>
<br>
<tr>
<td valign="top"><font face="Verdana, Arial, Helvetica, sans-serif" size="3" color="#870F33"><b><a name="top">SUBSCRIBE TO ALEMBIC ANNOUNCE AT GOOGLE GROUPS</a></b></font></a></td>
</tr>
<tr>
<td valign="top"><br>
<form action="http://groups.google.com/group/alembic-announce" target="_blank"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">If you are interested in being notified when updates are made, you may subscribe to the alembic-announce Google group. This is a low-traffic
(1-4 messages/month) announcement list that the Alembic development team will use to communicate major and important news to interested users.
<p>Email:</font><input type=text name=email><input type=submit name="sub" value="Subscribe"><br><p style="line-height:12px;"><font size="1" face="Verdana, Arial, Helvetica, sans-serif">Your email subscription is subject to the Terms of Service and Privacy Policy of <a href="http://groups.google.com/" style="text-decoration: underline" target="_blank">Google groups</a>.</font></form> </td>
</tr>
<tr>
<td valign="top">
<p align="right"><a href="#top" style="text-decoration: none;"><img src="images/top.gif" width="30" height="30" alt="back to top" border="0"></a></p>
<BR>
<p>
<p> </p>
<font face="Arial,Helvetica,sans-serif" size="1" color="#993333">TM & © <script>var curDate=new Date(); document.write(curDate.getFullYear())</script> Lucasfilm Entertainment Company Ltd. or Lucasfilm Ltd. All rights reserved. © 2010 Sony Pictures Imageworks Inc. All rights reserved.</FONT><br>
<p> </p>
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