/usr/share/dx/java/htmlpages/ddi.html is in dxsamples 4.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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<meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
<title>Open Visualization Data Explorer</title>
</head>
<body bgcolor="white">
<h2><img src="javadx-smhd.gif" alt="Java Explorer" height="60" width="240" border="0"></h2>
<hr>
<h2>Thunderstorm Visualiztion</h2>
<h3>...about the visualization</h3>
Data describing a section of the atmosphere are imported.
This particular section of the atmosphere shows a wide variation
in moisture content, temperature, and wind velocity. Choose
a variable in the "Data Selection" page, and then vary the
isosurface value in order to see regions with common characteristics.
<p>
<table border = 1>
<tr bgcolor="black" align="right">
<td width=135 height=350>
<APPLET
CODE="imageWindow.class" WIDTH = 135 HEIGHT = 313
CODEBASE="../"
ARCHIVE="htmlpages/dx.jar,htmlpages/samples.jar"
MAYSCRIPT
>
<PARAM NAME=IMAGE_NODE VALUE="Image_7">
<PARAM NAME=INITIAL_IMAGE VALUE="htmlpages/ddi7.0.0.gif">
</APPLET>
</td>
<td width=626 height=350>
<APPLET
CODE="CaptionLabels.class" WIDTH = 626 HEIGHT = 34
CODEBASE="../"
ARCHIVE="htmlpages/dx.jar,htmlpages/samples.jar"
MAYSCRIPT
>
<PARAM NAME=DXLOutput0 VALUE="DXLOutput_2">
<PARAM NAME=FONT VALUE="Helvetica-bold-24">
<PARAM NAME=BACKGROUND VALUE="[0.0, 0.0, 0.0]">
<PARAM NAME=FOREGROUND VALUE="[1.0, 1.0, 1.0]">
</APPLET>
<APPLET
CODE="imageWindow.class" WIDTH = 626 HEIGHT = 271
CODEBASE="../"
ARCHIVE="htmlpages/dx.jar,htmlpages/samples.jar"
MAYSCRIPT
>
<PARAM NAME=IMAGE_NODE VALUE="Image_5">
<PARAM NAME=INITIAL_IMAGE VALUE="htmlpages/ddi5.0.0.jpg">
</APPLET>
</td>
</tr>
</table>
<p>
<table border=0>
<tr>
<td>
<!-- The following applet describes ddi.net. It produces a representation
of the visual program's control panels and provides execution control.
-->
<APPLET
CODE="ddi.class" width = 310 height = 350
CODEBASE="../"
ARCHIVE="htmlpages/dx.jar,htmlpages/samples.jar"
MAYSCRIPT
>
<PARAM NAME="name" VALUE="ddi">
<PARAM NAME=NETNAME VALUE="ddi.net">
<PARAM NAME=DXUIVERS VALUE="4.3.3">
<PARAM NAME=BACKGROUND VALUE="[1.0, 1.0, 1.0]">
<PARAM NAME=EXECUTE_ON_CHANGE VALUE="true">
<PARAM NAME=SHADOWS VALUE="true">
<PARAM NAME="CACHING_FEATURES" VALUE="true">
</APPLET>
</td>
<td>
<blockquote>
<p>
<h3>...about the visual program</h3>
<small>
This visual program demonstrates the use of data-driven scalar
and integer interactors. The integer interactor controls the
slab position and is constrained by the size of the data sets.
<p>
The Scalar interactor which chooses the isosurface value is also
data-driven, so that it cannot exceed the range of the data values.
</small>
<h3>...about the conversion to web page</h3>
<small>
The original visual program rendered an object and used the Collect
tool to combine that with a color bar and a caption. The web version
of the .net file, does not use Collect. Instead each part of the
original image is separated into its own Image tool. The resulting
pictures are then assembled in an html table giving the web page
author greater flexibilty in layouting out the document and increasing
the proportion of meaningful gif byte transmitted with each new image.
</small>
</blockquote>
</td>
</table>
<h3>...about <i>Enable Animation</i></h3>
This web page passes the following parameter to the applet which
controls the Data Explorer sesssion:
<tt>
<pre>
< param name="CACHING_FEATURES" value="true">
</pre>
</tt>
The applet has the built-in ability to cache images inside the
browser. Normally this ability is used on behalf of <i>Orbit</i>
mode and on behalf of operating Data Explorer's <i>Sequencer</i>.
The html author can provide access to this caching function
in his web page by setting CACHING_FEATURES. Then the end-user
can enable caching by clicking the <i>Enable Animation</i> toggle
and specifing a cache size. The applet will cache as many images
as requested, allowing the user to play back a sequence by selecting
<i>Review</i> in the Mode menu.
<p>
<div align="center">
<hr>
<b> [
<a href="Status.html">Java Explorer</a> |
<a href="http://www.opendx.org/">OpenDX home page</a> | <a href="http://www.opendx.org/support.html">Help</a> ] </b></div>
</body>
</html>
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