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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<head>
<title>UCD Writer</title>
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<body bgcolor="#F0F0F0">
<h1>UCD Writer</h1>
The UCD Writer stores finite-element cell-connectivity data.
The UCD format is used by popular FEM simulation packages like
ABAQUS and by visualization systems like AVS and Explorer. It
is also a useful format to store AMR data into for visualization
systems since virtually no visualization system understands
heirarchial grids.<p>
The writer API has a lot of <b>beginSomething()</b> and
<b>endSomething()</b> statements. This is because there may
be several independent lists of nodes and cells at a given
timestep in a completely arbitrary UCD dataset. This
interface allows this to be dealt with in pieces.<p>
<h2>The API</h2>
<UL>
<LI><a href="#CPP">C++ Interface</a>
<LI><a href="#C">C Interface</a>
<LI><a href="#F77">F77/F90 Interface</a>
</UL>
<hr>
<a name="CPP">C++ Interface</a>
<DL>
<DT><i>constructor</i> <b>UCDwriter::UCDWriter(
IObase &iofile,
IObase::DataType defaultnodetype=IObase::Float32,
IObase::DataType defaultcelltype=IObase::Int32
)</b>
<DD>The <i>filehandle</i> is an already open IEEEIO or HDFIO
file. This initializes the reader and attaches it to that
datafile. You can optionally set the datatype for the
node/vertex coordinates and the cell indices. Normally
these would be Float32 and Int32 respectively.
<DT><i>destructor</i> <b>UCDwriter::~UCDwriter()</b>
<DD>This flushes all of the necessary file buffers and
destroys the UCDwriter object.
The filehandle that the writer was bound to must be
closed separately though.
<DT>
</DL>
<hr>
<address><a href="mailto:jshalf@suttung.aei-potsdam.mpg.de">John Shalf</a></address>
<!-- Created: Wed May 7 13:17:28 MDT 1997 -->
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Last modified: Wed May 7 13:32:18 MDT
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