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<title>Qwt User's Guide: Qwt - Qt Widgets for Technical Applications</title>
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<h1>Qwt - Qt Widgets for Technical Applications</h1>
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<h3 align="center">5.1.1 </h3>The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background. Beside a 2D plot widget it provides scales, sliders, dials, compasses, thermometers, wheels and knobs to control or display values, arrays, or ranges of type double.<p>
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<img src="plot.png" alt="plot.png">
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<h2><a class="anchor" name="license">
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Qwt is distributed under the terms of the <a class="el" href="qwtlicense.html">Qwt License, Version 1.0</a>.<h2><a class="anchor" name="platforms">
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Qwt 5.x might be usable in all environments where you find <a href="http://www.trolltech.com/products/qt">Qt</a>. It is compatible with Qt 3.3.x and Qt 4.x, but the documentation is generated for Qt 4.x.<br>
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<h2><a class="anchor" name="screenshotsonmainpage">
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<li><a class="el" href="curvescreenshots.html">Curve Plots</a><br>
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</li><li><a class="el" href="scatterscreenshots.html">Scatter Plot</a><br>
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</li><li><a class="el" href="spectrogramscreenshots.html">Spectrogram, Contour Plot</a><br>
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</li><li><a class="el" href="histogramscreenshots.html">Histogram</a><br>
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</li><li><a class="el" href="controlscreenshots.html">Dials, Compasses, Knobs, Wheels, Sliders, Thermos</a><br>
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<h2><a class="anchor" name="downloads">
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Stable releases, prereleases and snapshots are available at the Qwt <a href="http://sourceforge.net/projects/qwt">project page</a>.<p>
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Qwt doesn't distribute binary packages, but below is a incomplete list of packagers : <a href="http://packages.qa.debian.org/q/qwt.html">Debian</a>, <a href="http://packman.links2linux.de/package/libqwt5">S.u.S.E</a>, <a href="ftp://open-gnss.org/pub/fedora/qwt">Fedora</a>, <a href="http://packages.gentoo.org/packages/?category=x11-libs;name=qwt">Gentoo</a>. <a href="http://pdb.finkproject.org/pdb/package.php/qwt">Fink</a>. <a href="http://packages.ubuntu.com/cgi-bin//search_packages.pl?version=all&subword=0&exact=1&arch=any&releases=all&case=insensitive&keywords=qwt&searchon=sourcenames">Ubuntu</a>.<p>
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For getting a 5.2 development snapshot from the SVN repository: <div class="fragment"><pre class="fragment"> svn co https:<span class="comment">//qwt.svn.sourceforge.net/svnroot/qwt/trunk/qwt </span>
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For getting a snapshot with all bugfixes for the latest 5.1 release: <div class="fragment"><pre class="fragment"> svn co https:<span class="comment">//qwt.svn.sourceforge.net/svnroot/qwt/branches/qwt-5.1 </span>
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</pre></div><h2><a class="anchor" name="installonmainpage">
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Have a look at the qwt.pro project file. It is prepared for building dynamic libraries in Win32 and Unix/X11 environments. If you don't know what to do with it, read the file <a class="el" href="qwtinstall.html">INSTALL</a> and/or Trolltechs <a href="http://www.trolltech.com/developer/documentation/index.html">qmake</a> documentation. Once you have build the library you have to install all files from the lib, include and doc directories.<h2><a class="anchor" name="support">
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For all kind of Qwt related questions use the Qwt <a href="http://sourceforge.net/mail/?group_id=13693">mailing list</a>.<br>
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If you prefer newsgroups use the mail to news gateway of <a href="http://dir.gmane.org/gmane.comp.graphics.qwt.general">Gmane</a>.</li></ul>
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<a href="http://www.qtcentre.org">Qt Centre</a> is a great resource for Qt related questions. It has a sub forum, that is dedicated to Qwt related questions.</li></ul>
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<li>Individual support<br>
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If you are looking for individual support, or need someone who implements your Qwt component/application contact <a href="mailto:qwt-support@tigertal.de">qwt-support@tigertal.de</a>.</li></ul>
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<h2><a class="anchor" name="relatedprojects">
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Related Projects</a></h2>
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<a href="http://qwtpolar.sourceforge.net">QwtPolar</a>, a polar plot widget.<br>
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<a href="http://qwtplot3d.sourceforge.net">QwtPlot3D</a>, an OpenGL 3D plot widget.<br>
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<a href="http://soft.proindependent.com/qtiplot.html">QtiPlot</a>, data analysis and scientific plotting tool, using <a class="el" href="class_qwt_plot.html">QwtPlot</a>.<h2><a class="anchor" name="languagebindings">
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Language Bindings</a></h2>
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<a href="http://pyqwt.sourceforge.net">PyQwt</a>, a set of Qwt Python bindings.<br>
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<a href="http://rubyforge.org/projects/korundum/">Korundum/QtRuby</a>, including a set of Qwt Ruby bindings.<br>
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<h2><a class="anchor" name="donations">
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Sourceforge offers a <a href="http://sourceforge.net/docman/display_doc.php?docid=20244&group_id=1">Donation System</a> via PayPal. You can use it, if you like to <a href="http://sourceforge.net/project/project_donations.php?group_id=13693">support</a> the development of Qwt.<h2><a class="anchor" name="credits">
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<dl class="user" compact><dt><b>Authors: </b></dt><dd>Uwe Rathmann, Josef Wilgen ( <= Qwt 0.2 ) </dd></dl>
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<dl class="user" compact><dt><b>Project admin:</b></dt><dd>Uwe Rathmann <<a href="mailto:rathmann@users.sourceforge.net">rathmann@users.sourceforge.net</a>> </dd></dl>
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