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<p>Describes a data range given by begin and end index.
<a href="classQCPDataRange.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Functions</h2></td></tr>
<tr class="memitem:a49e72fd9bace1da9d875136dcc04c986"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a49e72fd9bace1da9d875136dcc04c986">QCPDataRange</a> ()</td></tr>
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<tr class="memitem:a6c7f4a3684210423270515403060e9cf"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a6c7f4a3684210423270515403060e9cf">QCPDataRange</a> (int begin, int end)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>operator==</b> (const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &other) const</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>operator!=</b> (const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &other) const</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>begin</b> () const</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>end</b> () const</td></tr>
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<tr class="memitem:ac6af055e509d1b691c244954ff1c5887"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#ac6af055e509d1b691c244954ff1c5887">size</a> () const</td></tr>
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<tr class="memitem:a1e7836058f755c6ab9f11996477b7150"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a1e7836058f755c6ab9f11996477b7150">length</a> () const</td></tr>
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<tr class="memitem:a54ff59048e01e46ac4aefafc844626c6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a54ff59048e01e46ac4aefafc844626c6">setBegin</a> (int begin)</td></tr>
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<tr class="memitem:a277f1a9eafe70b9184d9c00b641ae5de"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a277f1a9eafe70b9184d9c00b641ae5de">setEnd</a> (int end)</td></tr>
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<tr class="memitem:aae53a37472212dca0a7939963e20dba0"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#aae53a37472212dca0a7939963e20dba0">isValid</a> () const</td></tr>
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<tr class="memitem:ac32e53fc05d6cd2eac96b96a7265d3b8"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#ac32e53fc05d6cd2eac96b96a7265d3b8">isEmpty</a> () const</td></tr>
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<tr class="memitem:a93529421d12fdd3a8bdb2b8061936352"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a93529421d12fdd3a8bdb2b8061936352">bounded</a> (const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &other) const</td></tr>
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<tr class="memitem:a36c8ad8acf177ffeb0a72c8d73030844"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a36c8ad8acf177ffeb0a72c8d73030844">expanded</a> (const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &other) const</td></tr>
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<tr class="memitem:a84e1e03129dd52528efb4bac18d30183"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a84e1e03129dd52528efb4bac18d30183">intersection</a> (const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &other) const</td></tr>
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<tr class="memitem:a279ed36602b39607699dc5652bcaf813"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a279ed36602b39607699dc5652bcaf813">adjusted</a> (int changeBegin, int changeEnd) const</td></tr>
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<tr class="memitem:a8a1c437f9beffd55621f48f961d7f679"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a8a1c437f9beffd55621f48f961d7f679">intersects</a> (const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &other) const</td></tr>
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<tr class="memitem:a13ca398776374a3160aa85433718b812"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a13ca398776374a3160aa85433718b812">contains</a> (const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &other) const</td></tr>
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Related Non-Members</h2></td></tr>
<tr><td class="ititle" colspan="2"><p>(Note that these are not member functions.) </p>
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<tr class="memitem:a486dd7af8a090ed069672e3510e6a082"><td class="memItemLeft" align="right" valign="top">QDebug </td><td class="memItemRight" valign="bottom"><a class="el" href="classQCPDataRange.html#a486dd7af8a090ed069672e3510e6a082">operator<<</a> (QDebug d, const <a class="el" href="classQCPDataRange.html">QCPDataRange</a> &dataRange)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Describes a data range given by begin and end index. </p>
<p><a class="el" href="classQCPDataRange.html" title="Describes a data range given by begin and end index. ">QCPDataRange</a> holds two integers describing the begin (<a class="el" href="classQCPDataRange.html#a54ff59048e01e46ac4aefafc844626c6">setBegin</a>) and end (<a class="el" href="classQCPDataRange.html#a277f1a9eafe70b9184d9c00b641ae5de">setEnd</a>) index of a contiguous set of data points. The end index points to the data point just after the last data point that's part of the data range, similarly to the nomenclature used in standard iterators.</p>
<p>Data Ranges are not bound to a certain plottable, thus they can be freely exchanged, created and modified. If a non-contiguous data set shall be described, the class <a class="el" href="classQCPDataSelection.html">QCPDataSelection</a> is used, which holds and manages multiple instances of <a class="el" href="classQCPDataRange.html">QCPDataRange</a>. In most situations, <a class="el" href="classQCPDataSelection.html">QCPDataSelection</a> is thus used.</p>
<p>Both <a class="el" href="classQCPDataRange.html">QCPDataRange</a> and <a class="el" href="classQCPDataSelection.html">QCPDataSelection</a> offer convenience methods to work with them, e.g. <a class="el" href="classQCPDataRange.html#a93529421d12fdd3a8bdb2b8061936352">bounded</a>, <a class="el" href="classQCPDataRange.html#a36c8ad8acf177ffeb0a72c8d73030844">expanded</a>, <a class="el" href="classQCPDataRange.html#a8a1c437f9beffd55621f48f961d7f679">intersects</a>, <a class="el" href="classQCPDataRange.html#a84e1e03129dd52528efb4bac18d30183">intersection</a>, <a class="el" href="classQCPDataRange.html#a279ed36602b39607699dc5652bcaf813">adjusted</a>, <a class="el" href="classQCPDataRange.html#a13ca398776374a3160aa85433718b812">contains</a>. Further, addition and subtraction operators (defined in <a class="el" href="classQCPDataSelection.html">QCPDataSelection</a>) can be used to join/subtract data ranges and data selections (or mixtures), to retrieve a corresponding <a class="el" href="classQCPDataSelection.html">QCPDataSelection</a>.</p>
<p>QCustomPlot's <a class="el" href="dataselection.html">data selection mechanism</a> is based on <a class="el" href="classQCPDataSelection.html">QCPDataSelection</a> and <a class="el" href="classQCPDataRange.html" title="Describes a data range given by begin and end index. ">QCPDataRange</a>.</p>
<dl class="section note"><dt>Note</dt><dd>Do not confuse <a class="el" href="classQCPDataRange.html">QCPDataRange</a> with <a class="el" href="classQCPRange.html">QCPRange</a>. A <a class="el" href="classQCPRange.html">QCPRange</a> describes an interval in floating point plot coordinates, e.g. the current axis range. </dd></dl>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a49e72fd9bace1da9d875136dcc04c986">§ </a></span>QCPDataRange() <span class="overload">[1/2]</span></h2>
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<p>Creates an empty <a class="el" href="classQCPDataRange.html" title="Describes a data range given by begin and end index. ">QCPDataRange</a>, with begin and end set to 0. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c7f4a3684210423270515403060e9cf">§ </a></span>QCPDataRange() <span class="overload">[2/2]</span></h2>
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<p>Creates a <a class="el" href="classQCPDataRange.html" title="Describes a data range given by begin and end index. ">QCPDataRange</a>, initialized with the specified <em>begin</em> and <em>end</em>.</p>
<p>No checks or corrections are made to ensure the resulting range is valid (<a class="el" href="classQCPDataRange.html#aae53a37472212dca0a7939963e20dba0">isValid</a>). </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ac6af055e509d1b691c244954ff1c5887">§ </a></span>size()</h2>
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<td class="memname">int QCPDataRange::size </td>
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<p>Returns the number of data points described by this data range. This is equal to the end index minus the begin index.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPDataRange.html#a1e7836058f755c6ab9f11996477b7150">length</a> </dd></dl>
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<p>Returns the number of data points described by this data range. Equivalent to <a class="el" href="classQCPDataRange.html#ac6af055e509d1b691c244954ff1c5887">size</a>. </p>
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<td class="memname">void QCPDataRange::setBegin </td>
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<p>Sets the begin of this data range. The <em>begin</em> index points to the first data point that is part of the data range.</p>
<p>No checks or corrections are made to ensure the resulting range is valid (<a class="el" href="classQCPDataRange.html#aae53a37472212dca0a7939963e20dba0">isValid</a>).</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPDataRange.html#a277f1a9eafe70b9184d9c00b641ae5de">setEnd</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a277f1a9eafe70b9184d9c00b641ae5de">§ </a></span>setEnd()</h2>
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<td class="memname">void QCPDataRange::setEnd </td>
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<p>Sets the end of this data range. The <em>end</em> index points to the data point just after the last data point that is part of the data range.</p>
<p>No checks or corrections are made to ensure the resulting range is valid (<a class="el" href="classQCPDataRange.html#aae53a37472212dca0a7939963e20dba0">isValid</a>).</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPDataRange.html#a54ff59048e01e46ac4aefafc844626c6">setBegin</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aae53a37472212dca0a7939963e20dba0">§ </a></span>isValid()</h2>
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<td class="memname">bool QCPDataRange::isValid </td>
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<p>Returns whether this range is valid. A valid range has a begin index greater or equal to 0, and an end index greater or equal to the begin index.</p>
<dl class="section note"><dt>Note</dt><dd>Invalid ranges should be avoided and are never the result of any of <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a>'s methods (unless they are themselves fed with invalid ranges). Do not pass invalid ranges to <a class="el" href="classQCustomPlot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a>'s methods. The invalid range is not inherently prevented in <a class="el" href="classQCPDataRange.html" title="Describes a data range given by begin and end index. ">QCPDataRange</a>, to allow temporary invalid begin/end values while manipulating the range. An invalid range is not necessarily empty (<a class="el" href="classQCPDataRange.html#ac32e53fc05d6cd2eac96b96a7265d3b8">isEmpty</a>), since its <a class="el" href="classQCPDataRange.html#a1e7836058f755c6ab9f11996477b7150">length</a> can be negative and thus non-zero. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ac32e53fc05d6cd2eac96b96a7265d3b8">§ </a></span>isEmpty()</h2>
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<p>Returns whether this range is empty, i.e. whether its begin index equals its end index.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPDataRange.html#ac6af055e509d1b691c244954ff1c5887">size</a>, <a class="el" href="classQCPDataRange.html#a1e7836058f755c6ab9f11996477b7150">length</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a93529421d12fdd3a8bdb2b8061936352">§ </a></span>bounded()</h2>
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<td class="memname"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> QCPDataRange::bounded </td>
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<p>Returns a data range that matches this data range, except that parts exceeding <em>other</em> are excluded.</p>
<p>This method is very similar to <a class="el" href="classQCPDataRange.html#a84e1e03129dd52528efb4bac18d30183">intersection</a>, with one distinction: If this range and the <em>other</em> range share no intersection, the returned data range will be empty with begin and end set to the respective boundary side of <em>other</em>, at which this range is residing. (<a class="el" href="classQCPDataRange.html#a84e1e03129dd52528efb4bac18d30183">intersection</a> would just return a range with begin and end set to 0.) </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a36c8ad8acf177ffeb0a72c8d73030844">§ </a></span>expanded()</h2>
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<td class="memname"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> QCPDataRange::expanded </td>
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<p>Returns a data range that contains both this data range as well as <em>other</em>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a84e1e03129dd52528efb4bac18d30183">§ </a></span>intersection()</h2>
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<td class="memname"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> QCPDataRange::intersection </td>
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<p>Returns the data range which is contained in both this data range and <em>other</em>.</p>
<p>This method is very similar to <a class="el" href="classQCPDataRange.html#a93529421d12fdd3a8bdb2b8061936352">bounded</a>, with one distinction: If this range and the <em>other</em> range share no intersection, the returned data range will be empty with begin and end set to 0. (<a class="el" href="classQCPDataRange.html#a93529421d12fdd3a8bdb2b8061936352">bounded</a> would return a range with begin and end set to one of the boundaries of <em>other</em>, depending on which side this range is on.)</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPDataSelection.html#af5267ced53687561367105ee77b874ab">QCPDataSelection::intersection</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a279ed36602b39607699dc5652bcaf813">§ </a></span>adjusted()</h2>
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<td class="memname"><a class="el" href="classQCPDataRange.html">QCPDataRange</a> QCPDataRange::adjusted </td>
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<p>Returns a data range where <em>changeBegin</em> and <em>changeEnd</em> were added to the begin and end indices, respectively. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8a1c437f9beffd55621f48f961d7f679">§ </a></span>intersects()</h2>
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<td class="memname">bool QCPDataRange::intersects </td>
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<p>Returns whether this data range and <em>other</em> share common data points.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPDataRange.html#a84e1e03129dd52528efb4bac18d30183">intersection</a>, <a class="el" href="classQCPDataRange.html#a13ca398776374a3160aa85433718b812">contains</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a13ca398776374a3160aa85433718b812">§ </a></span>contains()</h2>
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<td class="memname">bool QCPDataRange::contains </td>
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<p>Returns whether all data points of <em>other</em> are also contained inside this data range.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classQCPDataRange.html#a8a1c437f9beffd55621f48f961d7f679">intersects</a> </dd></dl>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a486dd7af8a090ed069672e3510e6a082">§ </a></span>operator<<()</h2>
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<td class="memname">QDebug operator<< </td>
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<p>Prints <em>dataRange</em> in a human readable format to the qDebug output. </p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>src/selection.h</li>
<li>src/selection.cpp</li>
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