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<title>Customization - Geomview Manual</title>
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<h2 class="chapter">5 Customization: <samp><span class="file">.geomview</span></samp> files</h2>
<p>When Geomview is started, it loads and executes commands in a
system-wide startup file named <samp><span class="file">.geomview</span></samp>. This file is in the
<samp><span class="file">data</span></samp> subdirectory of the Geomview distribution directory
and
contains GCL commands to configure Geomview in a way
common to all users on the system.
<p>Next, Geomview looks for the file <samp><span class="file">~/.geomview</span></samp> (<samp><span class="file">~</span></samp>
stands for your home directory). You can use this to configure
your own default Geomview behavior to suit your tastes.
<p>After reading <samp><span class="file">~/.geomview</span></samp>, Geomview looks for a file named
<samp><span class="file">.geomview</span></samp> in the current directory. If such a file exists
Geomview reads it, unless it is the same as <samp><span class="file">~/.geomview</span></samp> (which
would be the case if you are running Geomview from your home directory).
You can use the current directory's <samp><span class="file">.geomview</span></samp> to create a Geomview
customization specific to a certain project.
<p>You can use <samp><span class="file">.geomview</span></samp> files to control all kinds of things about
Geomview. They can contain any valid GCL statements. Especially useful
is the <code>ui-panel</code> command which controls the initial placement of
Geomview's panels. For an example see the system-wide <samp><span class="file">.geomview</span></samp>
file mentioned above. See <a href="GCL.html#GCL">GCL</a>. See <a href="ui_002dpanel.html#ui_002dpanel"><code>(ui-panel ...)</code></a>.
<p>It is a good idea to enclose all the commands you put in a
<samp><span class="file">.geomview</span></samp> file in a <code>progn</code> statement in order to cause
Geomview to execute them all at once. Otherwise Geomview might execute
them sequentially over the first few refresh cycles after starting up.
<p>To change, e.g. the focus policy of the camera window such that they
pick up the focus policy of the window manager (instead of being
activated when the mouse cursor crosses the window), you could put the
following in your <samp><span class="file">~/.geomview</span></samp> file:
<pre class="example"> (progn
(ui-cam-focus focus-change)
... # other stuff
)
</pre>
<p>You can put any valid <code>GCL</code> command into your <samp><span class="file">.geomview</span></samp>
files,see <a href="GCL.html#GCL">GCL</a>. See <a href="progn.html#progn"><code>(progn ...)</code></a>. See <a href="ui_002dcam_002dfocus.html#ui_002dcam_002dfocus"><code>(ui-cam-focus ...)</code></a>.
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