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<head><title>A Configuration</title>
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<h2 class="appendixHead"><span class="titlemark">Appendix A</span><br /><a
id="x48-89000A"></a>Configuration</h2>
<!--l. 2--><p class="noindent" ><a name="nip_label_sec:config"></a>
<!--l. 4--><p class="indent" > Click on the <span
class="phvr7t-x-x-80">Edit </span>/ <span
class="phvr7t-x-x-80">Preferences </span>to see all the preference
options. There are a lot of things you can change (probably
too many). This section will list the most important.
<div class="subsectionTOCS">
  <span class="subsectionToc" >A.0.1 <a
href="#x48-90000A.0.1">Calculation</a></span>
<br />   <span class="subsectionToc" >A.0.2 <a
href="#x48-91000A.0.2">Image display</a></span>
<br />   <span class="subsectionToc" >A.0.3 <a
href="#x48-92000A.0.3">Other options</a></span>
</div>
<h4 class="subsectionHead"><span class="titlemark">A.0.1 </span> <a
id="x48-90000A.0.1"></a>Calculation</h4>
<!--l. 10--><p class="noindent" >This column has the options which control how <span
class="phvr7t-x-x-80">nip2 </span>starts
and how and when it calculates.
<dl class="description"><dt class="description">
<span
class="phvb7t-x-x-80">Data path</span> </dt><dd
class="description">
<!--l. 17--><p class="noindent" >This is a list of directories where <span
class="phvr7t-x-x-80">nip2 </span>searches for
data files. These are any files that <span
class="phvr7t-x-x-80">nip2 </span>can use but
which aren’t loaded at startup. I usually append the
main areas on my machine where I store image
files, for example.
<!--l. 21--><p class="noindent" >The default value is
<span
class="phvr7t-x-x-80">[”$HOME/.$PACKAGE-$VERSION/data”,</span>
<span
class="phvr7t-x-x-80">”$VIPSHOME/share/nip/data”, ”.”]</span>.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Temporary files</span> </dt><dd
class="description">
<!--l. 26--><p class="noindent" >This is where any intermediate files will be stored.
It defaults to a directory called <span
class="phvr7t-x-x-80">tmp </span>under your
home area’s <span
class="phvr7t-x-x-80">.nip2-xx </span>directory. If <span
class="phvr7t-x-x-80">nip </span>crashes, it may
leave old files here.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Start path</span> </dt><dd
class="description">
<!--l. 32--><p class="noindent" >This lists directories which are searched when <span
class="phvr7t-x-x-80">nip2</span>
starts for any loadable files. Anything that <span
class="phvr7t-x-x-80">nip2</span>
comes across will be loaded up.
<!--l. 35--><p class="noindent" >The default value is
<span
class="phvr7t-x-x-80">[”$HOME/.$PACKAGE-$VERSION/start”,</span>
<span
class="phvr7t-x-x-80">”$VIPSHOME/share/nip/start”]</span>. </dd><dt class="description">
<span
class="phvb7t-x-x-80">Auto-recalc</span> </dt><dd
class="description">
<!--l. 40--><p class="noindent" >With this on (the default) <span
class="phvr7t-x-x-80">nip2 </span>will recalculate
whenever anything changes. Turn this off if
recalculations are taking a long time and you want
to make a series of small changes.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Update sliders during drag</span> </dt><dd
class="description">
<!--l. 46--><p class="noindent" >This sets whether recalculation happens as sliders
are dragged, or whether the recalculation waits
until the drag finishes. There’s a similar setting for
regions.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Auto workspace save</span> </dt><dd
class="description">
<!--l. 52--><p class="noindent" >With this tured on (the default) <span
class="phvr7t-x-x-80">nip2 </span>will save the
current workspace to the temporary files area a
second after the last recalculation. If <span
class="phvr7t-x-x-80">nip2 </span>crashes,
you can restart it and click <span
class="phvr7t-x-x-80">File </span>/ <span
class="phvr7t-x-x-80">Search for Workspace</span>
<span
class="phvr7t-x-x-80">Backups </span>and <span
class="phvr7t-x-x-80">nip2 </span>will reload the last workspace
where you made a change.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Auto-reload on file change</span> </dt><dd
class="description">
<!--l. 59--><p class="noindent" >With this turned on <span
class="phvr7t-x-x-80">nip2 </span>will automatically reload
any image files that change while it has them open.
Handy if you’re using <span
class="phvr7t-x-x-80">nip2 </span>to watch a file that
another program is updating.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Maximum text display</span> </dt><dd
class="description">
<!--l. 65--><p class="noindent" >This sets the number of characters <span
class="phvr7t-x-x-80">nip2 </span>shows for
string values. Turn it up if you want to see inside
long strings.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Maximum heap</span> </dt><dd
class="description">
<!--l. 70--><p class="noindent" >This sets the limit on the heap size. Turn it up if
you start getting <span
class="phvr7t-x-x-80">Heap full </span>error messages. If you
left-click on the space free label in the bottom right
of the main window, it will change to display the
current heap statistics. There’s a useful tooltip as
well.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Number of CPUs to use</span> </dt><dd
class="description">
<!--l. 77--><p class="noindent" >If you have a machine with more than one CPU,
you can make <span
class="phvr7t-x-x-80">nip2 </span>faster by upping this number.
</dd></dl>
<!--l. 82--><p class="noindent" >
<h4 class="subsectionHead"><span class="titlemark">A.0.2 </span> <a
id="x48-91000A.0.2"></a>Image display</h4>
<!--l. 84--><p class="noindent" >This set of options control the default image display
window settings. Useful if you’re always having to turn the
status bar on (for example). The maximum size option is
handy if you’re using <span
class="phvr7t-x-x-80">nip2 </span>on a machine with a small
display.
<!--l. 88--><p class="indent" > The <span
class="phvr7t-x-x-80">Auto popup </span>option makes <span
class="phvr7t-x-x-80">nip2 </span>pop up an image
display window automatically whenever you make a new
image object.
<!--l. 91--><p class="noindent" >
<h4 class="subsectionHead"><span class="titlemark">A.0.3 </span> <a
id="x48-92000A.0.3"></a>Other options</h4>
<!--l. 93--><p class="noindent" >Other areas of preferences are less useful.
<dl class="description"><dt class="description">
<span
class="phvb7t-x-x-80">Display LEDs</span> </dt><dd
class="description">
<!--l. 99--><p class="noindent" >If you’re using a theme which uses bitmaps for
widgets, you won’t be able to see the button colour
changes <span
class="phvr7t-x-x-80">nip2 </span>usually uses to indicate state. This
option adds three small LEDs to each row which
indicate select, busy and error.
</dd><dt class="description">
<span
class="phvb7t-x-x-80">Default image format</span> </dt><dd
class="description">
<!--l. 106--><p class="noindent" >By default <span
class="phvr7t-x-x-80">nip2 </span>file browsers show only VIPS
images. If you find you mostly use (for example)
JPEG images, you’ll save yourself a few clicks
on every file operation by switching this option to
JPEG format.
</dd><dt class="description">
<span
class="ptmb7t-">Image format options</span> </dt><dd
class="description">
<!--l. 112--><p class="noindent" >You can set the save options for the various image
formats.
</dd><dt class="description">
<span
class="ptmb7t-">Video for linux</span> </dt><dd
class="description">
<!--l. 116--><p class="noindent" >If you running Linux and have a capture card
that supports the V4L interface, you can capture
straight from the card into <span
class="phvr7t-x-x-80">nip2</span>. Set the capture
options here. </dd><dt class="description">
<span
class="ptmb7t-">Paintbox</span> </dt><dd
class="description">
<!--l. 122--><p class="noindent" >The paintbox normally tracks all undo operations.
This can chew up a lot of memory, especially for
flood fills. Reduce the number of undo steps to free
up some RAM.
</dd></dl>
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