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<div class="header">
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<a href="#pub-types">Public Types</a> &#124;
<a href="#pub-methods">Public Member Functions</a> &#124;
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<a href="class_qwt_plot_rescaler-members.html">List of all members</a>  </div>
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<p><a class="el" href="class_qwt_plot_rescaler.html" title="QwtPlotRescaler takes care of fixed aspect ratios for plot scales.">QwtPlotRescaler</a> takes care of fixed aspect ratios for plot scales.  
 <a href="class_qwt_plot_rescaler.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__plot__rescaler_8h_source.html">qwt_plot_rescaler.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtPlotRescaler:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_plot_rescaler__inherit__graph.png" border="0" usemap="#a_qwt_plot_rescaler_inherit__map" alt="Inheritance graph"/></div>
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<area shape="rect" title=" " alt="" coords="30,5,101,32"/>
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<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a6a614b832876a7641cb5410ba81d9d6a"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a> { <a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6aab8f9ce10c092bee12de74b05a46b6e9c">Fixed</a>, 
<a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6aac0b9db1ea3c5666792c2a9813ca5d7e1">Expanding</a>, 
<a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6aa30a43b11d9df23f66110b65d1e249db1">Fitting</a>
 }</td></tr>
<tr class="separator:a6a614b832876a7641cb5410ba81d9d6a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1c314e9513cef076a79381111aa67585"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a> { <a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585a10adc202ca84a06179b905db6802668c">ExpandUp</a>, 
<a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585a856d9a1fe75ed6398a1b3c4b60f3fbfd">ExpandDown</a>, 
<a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585a3dfb8208dfb62200761e4221763db033">ExpandBoth</a>
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<tr class="separator:a1c314e9513cef076a79381111aa67585"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a4bef342d0a571af31685c2ff88def5d5"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a4bef342d0a571af31685c2ff88def5d5">QwtPlotRescaler</a> (QWidget *<a class="el" href="class_qwt_plot_rescaler.html#ad4aa9bf81032b822b848774ee21142ce">canvas</a>, int <a class="el" href="class_qwt_plot_rescaler.html#a207a8382199ab99a91d9c93d27aa5cf2">referenceAxis</a>=<a class="el" href="class_qwt_plot.html#a81df699dcf9dde0752c0726b5f31e271ad5566960e78f2473c1a1e853def4c4ac">QwtPlot::xBottom</a>, <a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a>=<a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6aac0b9db1ea3c5666792c2a9813ca5d7e1">Expanding</a>)</td></tr>
<tr class="separator:a4bef342d0a571af31685c2ff88def5d5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae34a0dbae9074c211f36c765142d8ddd"><td class="memItemLeft" align="right" valign="top"><a id="ae34a0dbae9074c211f36c765142d8ddd"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#ae34a0dbae9074c211f36c765142d8ddd">~QwtPlotRescaler</a> ()</td></tr>
<tr class="memdesc:ae34a0dbae9074c211f36c765142d8ddd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:ae34a0dbae9074c211f36c765142d8ddd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6f1c886d127ec4943552170dc63edf29"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a6f1c886d127ec4943552170dc63edf29">setEnabled</a> (bool)</td></tr>
<tr class="memdesc:a6f1c886d127ec4943552170dc63edf29"><td class="mdescLeft">&#160;</td><td class="mdescRight">En/disable the rescaler.  <a href="class_qwt_plot_rescaler.html#a6f1c886d127ec4943552170dc63edf29">More...</a><br /></td></tr>
<tr class="separator:a6f1c886d127ec4943552170dc63edf29"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a85a9b40054acaab051f3679db1547b81"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a85a9b40054acaab051f3679db1547b81">isEnabled</a> () const</td></tr>
<tr class="separator:a85a9b40054acaab051f3679db1547b81"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae6b7df41b5387d0aed532559546e40b6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#ae6b7df41b5387d0aed532559546e40b6">setRescalePolicy</a> (<a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a>)</td></tr>
<tr class="separator:ae6b7df41b5387d0aed532559546e40b6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac5a49fa34b071da28517efe6212d81ea"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#ac5a49fa34b071da28517efe6212d81ea">rescalePolicy</a> () const</td></tr>
<tr class="separator:ac5a49fa34b071da28517efe6212d81ea"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa2ecffbc14d951ab9f1809c14bc4e21b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#aa2ecffbc14d951ab9f1809c14bc4e21b">setExpandingDirection</a> (<a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>)</td></tr>
<tr class="separator:aa2ecffbc14d951ab9f1809c14bc4e21b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1681eb01b65b91e8b2583d87f890576f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a1681eb01b65b91e8b2583d87f890576f">setExpandingDirection</a> (int axis, <a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>)</td></tr>
<tr class="separator:a1681eb01b65b91e8b2583d87f890576f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acdd929d4b55be6956acd4ec5d0df9467"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#acdd929d4b55be6956acd4ec5d0df9467">expandingDirection</a> (int axis) const</td></tr>
<tr class="separator:acdd929d4b55be6956acd4ec5d0df9467"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6f13d60cc1e1071a6830ea30ccbcca37"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a6f13d60cc1e1071a6830ea30ccbcca37">setReferenceAxis</a> (int axis)</td></tr>
<tr class="separator:a6f13d60cc1e1071a6830ea30ccbcca37"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a207a8382199ab99a91d9c93d27aa5cf2"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a207a8382199ab99a91d9c93d27aa5cf2">referenceAxis</a> () const</td></tr>
<tr class="separator:a207a8382199ab99a91d9c93d27aa5cf2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a31f71937b4cff3e60f74db83beb6d2de"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a31f71937b4cff3e60f74db83beb6d2de">setAspectRatio</a> (double ratio)</td></tr>
<tr class="separator:a31f71937b4cff3e60f74db83beb6d2de"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa747f1cf3ecc3a37f98d0972e1db600b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#aa747f1cf3ecc3a37f98d0972e1db600b">setAspectRatio</a> (int axis, double ratio)</td></tr>
<tr class="separator:aa747f1cf3ecc3a37f98d0972e1db600b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a76bc7cc4987b1572e12431b8128500ae"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a76bc7cc4987b1572e12431b8128500ae">aspectRatio</a> (int axis) const</td></tr>
<tr class="separator:a76bc7cc4987b1572e12431b8128500ae"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afefb0ec065ff855785d0198fc04a07d3"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#afefb0ec065ff855785d0198fc04a07d3">setIntervalHint</a> (int axis, const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;)</td></tr>
<tr class="separator:afefb0ec065ff855785d0198fc04a07d3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac3f9475494b33ebc1a1e8103e327d56b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_interval.html">QwtInterval</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#ac3f9475494b33ebc1a1e8103e327d56b">intervalHint</a> (int axis) const</td></tr>
<tr class="separator:ac3f9475494b33ebc1a1e8103e327d56b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad4aa9bf81032b822b848774ee21142ce"><td class="memItemLeft" align="right" valign="top">QWidget *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#ad4aa9bf81032b822b848774ee21142ce">canvas</a> ()</td></tr>
<tr class="separator:ad4aa9bf81032b822b848774ee21142ce"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a49e3d4084037f6786c5bb6a8d2c78047"><td class="memItemLeft" align="right" valign="top">const QWidget *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a49e3d4084037f6786c5bb6a8d2c78047">canvas</a> () const</td></tr>
<tr class="separator:a49e3d4084037f6786c5bb6a8d2c78047"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aca7a946dd53744e4640be383cd161a7c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_plot.html">QwtPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#aca7a946dd53744e4640be383cd161a7c">plot</a> ()</td></tr>
<tr class="separator:aca7a946dd53744e4640be383cd161a7c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae54220a61cab777a6cb60103091a0aa3"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_plot.html">QwtPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#ae54220a61cab777a6cb60103091a0aa3">plot</a> () const</td></tr>
<tr class="separator:ae54220a61cab777a6cb60103091a0aa3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2a6809f3940b9114a1faed30f6edc3d0"><td class="memItemLeft" align="right" valign="top"><a id="a2a6809f3940b9114a1faed30f6edc3d0"></a>
virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a2a6809f3940b9114a1faed30f6edc3d0">eventFilter</a> (QObject *, QEvent *)</td></tr>
<tr class="memdesc:a2a6809f3940b9114a1faed30f6edc3d0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Event filter for the plot canvas. <br /></td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#af4b1840575eb6812c23acd9be199e5df">rescale</a> () const</td></tr>
<tr class="memdesc:af4b1840575eb6812c23acd9be199e5df"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adjust the plot axes scales. <br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a5490a4a1b576b1118c095cc54810e2aa"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a5490a4a1b576b1118c095cc54810e2aa">canvasResizeEvent</a> (QResizeEvent *)</td></tr>
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<tr class="memitem:a1a98f9c7a1102e486ce81a2833799155"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a1a98f9c7a1102e486ce81a2833799155">rescale</a> (const QSize &amp;oldSize, const QSize &amp;newSize) const</td></tr>
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<tr class="memitem:a163fd15cb5e6fa1c855ff069f1711c5c"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_interval.html">QwtInterval</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a163fd15cb5e6fa1c855ff069f1711c5c">expandScale</a> (int axis, const QSize &amp;oldSize, const QSize &amp;newSize) const</td></tr>
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<tr class="memitem:a21f64ee537246c96bb724f09f3a6524c"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_interval.html">QwtInterval</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a21f64ee537246c96bb724f09f3a6524c">syncScale</a> (int axis, const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;reference, const QSize &amp;size) const</td></tr>
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<tr class="memitem:aaead8df76bb22831577fd11ed6d46e5a"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#aaead8df76bb22831577fd11ed6d46e5a">updateScales</a> (<a class="el" href="class_qwt_interval.html">QwtInterval</a> intervals[<a class="el" href="class_qwt_plot.html#a81df699dcf9dde0752c0726b5f31e271aea62036dfd48ee0f9450718592614892">QwtPlot::axisCnt</a>]) const</td></tr>
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<tr class="memitem:a6a4435f91c459517db9e08bd30b1ad37"><td class="memItemLeft" align="right" valign="top">Qt::Orientation&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a6a4435f91c459517db9e08bd30b1ad37">orientation</a> (int axis) const</td></tr>
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<tr class="memitem:afa1a81034796b68339fcb71ef179c394"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_interval.html">QwtInterval</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#afa1a81034796b68339fcb71ef179c394">interval</a> (int axis) const</td></tr>
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<tr class="memitem:a3dfd3bd03394c66ede8e37478d32784c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_interval.html">QwtInterval</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_rescaler.html#a3dfd3bd03394c66ede8e37478d32784c">expandInterval</a> (const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;, double width, <a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>) const</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="class_qwt_plot_rescaler.html" title="QwtPlotRescaler takes care of fixed aspect ratios for plot scales.">QwtPlotRescaler</a> takes care of fixed aspect ratios for plot scales. </p>
<p><a class="el" href="class_qwt_plot_rescaler.html" title="QwtPlotRescaler takes care of fixed aspect ratios for plot scales.">QwtPlotRescaler</a> auto adjusts the axes of a <a class="el" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a> according to fixed aspect ratios. </p>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="a1c314e9513cef076a79381111aa67585"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1c314e9513cef076a79381111aa67585">&#9670;&nbsp;</a></span>ExpandingDirection</h2>

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          <td class="memname">enum <a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">QwtPlotRescaler::ExpandingDirection</a></td>
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<p>When <a class="el" href="class_qwt_plot_rescaler.html#ac5a49fa34b071da28517efe6212d81ea">rescalePolicy()</a> is set to Expanding its direction depends on ExpandingDirection </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a1c314e9513cef076a79381111aa67585a10adc202ca84a06179b905db6802668c"></a>ExpandUp&#160;</td><td class="fielddoc"><p>The upper limit of the scale is adjusted. </p>
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<tr><td class="fieldname"><a id="a1c314e9513cef076a79381111aa67585a856d9a1fe75ed6398a1b3c4b60f3fbfd"></a>ExpandDown&#160;</td><td class="fielddoc"><p>The lower limit of the scale is adjusted. </p>
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<tr><td class="fieldname"><a id="a1c314e9513cef076a79381111aa67585a3dfb8208dfb62200761e4221763db033"></a>ExpandBoth&#160;</td><td class="fielddoc"><p>Both limits of the scale are adjusted. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6a614b832876a7641cb5410ba81d9d6a">&#9670;&nbsp;</a></span>RescalePolicy</h2>

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          <td class="memname">enum <a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">QwtPlotRescaler::RescalePolicy</a></td>
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<p>The rescale policy defines how to rescale the reference axis and their depending axes.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>, <a class="el" href="class_qwt_plot_rescaler.html#afefb0ec065ff855785d0198fc04a07d3">setIntervalHint()</a> </dd></dl>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a6a614b832876a7641cb5410ba81d9d6aab8f9ce10c092bee12de74b05a46b6e9c"></a>Fixed&#160;</td><td class="fielddoc"><p>The interval of the reference axis remains unchanged, when the geometry of the canvas changes. All other axes will be adjusted according to their aspect ratio. </p>
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<tr><td class="fieldname"><a id="a6a614b832876a7641cb5410ba81d9d6aac0b9db1ea3c5666792c2a9813ca5d7e1"></a>Expanding&#160;</td><td class="fielddoc"><p>The interval of the reference axis will be shrunk/expanded, when the geometry of the canvas changes. All other axes will be adjusted according to their aspect ratio.</p>
<p>The interval, that is represented by one pixel is fixed. </p>
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<tr><td class="fieldname"><a id="a6a614b832876a7641cb5410ba81d9d6aa30a43b11d9df23f66110b65d1e249db1"></a>Fitting&#160;</td><td class="fielddoc"><p>The intervals of the axes are calculated, so that all axes include their interval hint. </p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a4bef342d0a571af31685c2ff88def5d5">&#9670;&nbsp;</a></span>QwtPlotRescaler()</h2>

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          <td class="paramtype">QWidget *&#160;</td>
          <td class="paramname"><em>canvas</em>, </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>referenceAxis</em> = <code><a class="el" href="class_qwt_plot.html#a81df699dcf9dde0752c0726b5f31e271ad5566960e78f2473c1a1e853def4c4ac">QwtPlot::xBottom</a></code>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype"><a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a>&#160;</td>
          <td class="paramname"><em>policy</em> = <code><a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6aac0b9db1ea3c5666792c2a9813ca5d7e1">Expanding</a></code>&#160;</td>
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<p>Constructor</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">canvas</td><td>Canvas </td></tr>
    <tr><td class="paramname">referenceAxis</td><td>Reference axis, see RescalePolicy </td></tr>
    <tr><td class="paramname">policy</td><td>Rescale policy</td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#ae6b7df41b5387d0aed532559546e40b6">setRescalePolicy()</a>, <a class="el" href="class_qwt_plot_rescaler.html#a6f13d60cc1e1071a6830ea30ccbcca37">setReferenceAxis()</a> </dd></dl>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a76bc7cc4987b1572e12431b8128500ae">&#9670;&nbsp;</a></span>aspectRatio()</h2>

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          <td class="memname">double QwtPlotRescaler::aspectRatio </td>
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          <td class="paramname"><em>axis</em></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Aspect ratio between an axis and the reference axis.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a31f71937b4cff3e60f74db83beb6d2de">setAspectRatio()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ad4aa9bf81032b822b848774ee21142ce">&#9670;&nbsp;</a></span>canvas() <span class="overload">[1/2]</span></h2>

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<dl class="section return"><dt>Returns</dt><dd>plot canvas </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a49e3d4084037f6786c5bb6a8d2c78047">&#9670;&nbsp;</a></span>canvas() <span class="overload">[2/2]</span></h2>

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          <td class="memname">const QWidget * QwtPlotRescaler::canvas </td>
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          <td class="paramname"></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>plot canvas </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a5490a4a1b576b1118c095cc54810e2aa">&#9670;&nbsp;</a></span>canvasResizeEvent()</h2>

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          <td class="memname">void QwtPlotRescaler::canvasResizeEvent </td>
          <td>(</td>
          <td class="paramtype">QResizeEvent *&#160;</td>
          <td class="paramname"><em>event</em></td><td>)</td>
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<p>Event handler for resize events of the plot canvas</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">event</td><td>Resize event </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#af4b1840575eb6812c23acd9be199e5df" title="Adjust the plot axes scales.">rescale()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#acdd929d4b55be6956acd4ec5d0df9467">&#9670;&nbsp;</a></span>expandingDirection()</h2>

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          <td class="memname"><a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">QwtPlotRescaler::ExpandingDirection</a> QwtPlotRescaler::expandingDirection </td>
          <td>(</td>
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<dl class="section return"><dt>Returns</dt><dd>Direction in which an axis should be expanded</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
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  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#aa2ecffbc14d951ab9f1809c14bc4e21b">setExpandingDirection()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a3dfd3bd03394c66ede8e37478d32784c">&#9670;&nbsp;</a></span>expandInterval()</h2>

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          <td>(</td>
          <td class="paramtype">const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;&#160;</td>
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          <td class="paramtype"><a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>&#160;</td>
          <td class="paramname"><em>direction</em>&#160;</td>
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          <td></td><td> const</td>
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<p>Expand the interval</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">interval</td><td>Interval to be expanded </td></tr>
    <tr><td class="paramname">width</td><td>Distance to be added to the interval </td></tr>
    <tr><td class="paramname">direction</td><td>Direction of the expand operation</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Expanded interval </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a163fd15cb5e6fa1c855ff069f1711c5c">&#9670;&nbsp;</a></span>expandScale()</h2>

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          <td class="memname"><a class="el" href="class_qwt_interval.html">QwtInterval</a> QwtPlotRescaler::expandScale </td>
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<p>Calculate the new scale interval of a plot axis</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
    <tr><td class="paramname">oldSize</td><td>Previous size of the canvas </td></tr>
    <tr><td class="paramname">newSize</td><td>New size of the canvas</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Calculated new interval for the axis </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#afa1a81034796b68339fcb71ef179c394">&#9670;&nbsp;</a></span>interval()</h2>

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          <td class="memname"><a class="el" href="class_qwt_interval.html">QwtInterval</a> QwtPlotRescaler::interval </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em></td><td>)</td>
          <td> const</td>
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  </td>
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<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Normalized interval of an axis </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac3f9475494b33ebc1a1e8103e327d56b">&#9670;&nbsp;</a></span>intervalHint()</h2>

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          <td class="memname"><a class="el" href="class_qwt_interval.html">QwtInterval</a> QwtPlotRescaler::intervalHint </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
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<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis, see <a class="el" href="class_qwt_plot.html#a81df699dcf9dde0752c0726b5f31e271" title="Axis index.">QwtPlot::Axis</a> </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Interval hint </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#afefb0ec065ff855785d0198fc04a07d3">setIntervalHint()</a>, <a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a85a9b40054acaab051f3679db1547b81">&#9670;&nbsp;</a></span>isEnabled()</h2>

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          <td class="memname">bool QwtPlotRescaler::isEnabled </td>
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          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>true when enabled, false otherwise </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a6f1c886d127ec4943552170dc63edf29" title="En/disable the rescaler.">setEnabled</a>, <a class="el" href="class_qwt_plot_rescaler.html#a2a6809f3940b9114a1faed30f6edc3d0" title="Event filter for the plot canvas.">eventFilter()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a6a4435f91c459517db9e08bd30b1ad37">&#9670;&nbsp;</a></span>orientation()</h2>

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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Orientation of an axis </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aca7a946dd53744e4640be383cd161a7c">&#9670;&nbsp;</a></span>plot() <span class="overload">[1/2]</span></h2>

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          <td class="memname"><a class="el" href="class_qwt_plot.html">QwtPlot</a> * QwtPlotRescaler::plot </td>
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          <td class="paramname"></td><td>)</td>
          <td></td>
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<dl class="section return"><dt>Returns</dt><dd>plot widget </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ae54220a61cab777a6cb60103091a0aa3">&#9670;&nbsp;</a></span>plot() <span class="overload">[2/2]</span></h2>

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          <td class="memname">const <a class="el" href="class_qwt_plot.html">QwtPlot</a> * QwtPlotRescaler::plot </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>plot widget </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a207a8382199ab99a91d9c93d27aa5cf2">&#9670;&nbsp;</a></span>referenceAxis()</h2>

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          <td class="memname">int QwtPlotRescaler::referenceAxis </td>
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          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Reference axis ( see RescalePolicy ) </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a6f13d60cc1e1071a6830ea30ccbcca37">setReferenceAxis()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a1a98f9c7a1102e486ce81a2833799155">&#9670;&nbsp;</a></span>rescale()</h2>

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          <td class="memname">void QwtPlotRescaler::rescale </td>
          <td>(</td>
          <td class="paramtype">const QSize &amp;&#160;</td>
          <td class="paramname"><em>oldSize</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const QSize &amp;&#160;</td>
          <td class="paramname"><em>newSize</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>Adjust the plot axes scales</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">oldSize</td><td>Previous size of the canvas </td></tr>
    <tr><td class="paramname">newSize</td><td>New size of the canvas </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac5a49fa34b071da28517efe6212d81ea">&#9670;&nbsp;</a></span>rescalePolicy()</h2>

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          <td class="memname"><a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">QwtPlotRescaler::RescalePolicy</a> QwtPlotRescaler::rescalePolicy </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Rescale policy </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#ae6b7df41b5387d0aed532559546e40b6">setRescalePolicy()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a31f71937b4cff3e60f74db83beb6d2de">&#9670;&nbsp;</a></span>setAspectRatio() <span class="overload">[1/2]</span></h2>

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          <td class="memname">void QwtPlotRescaler::setAspectRatio </td>
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          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>ratio</em></td><td>)</td>
          <td></td>
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<p>Set the aspect ratio between the scale of the reference axis and the other scales. The default ratio is 1.0</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">ratio</td><td>Aspect ratio </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a76bc7cc4987b1572e12431b8128500ae">aspectRatio()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa747f1cf3ecc3a37f98d0972e1db600b">&#9670;&nbsp;</a></span>setAspectRatio() <span class="overload">[2/2]</span></h2>

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          <td class="memname">void QwtPlotRescaler::setAspectRatio </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>ratio</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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      </table>
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<p>Set the aspect ratio between the scale of the reference axis and another scale. The default ratio is 1.0</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
    <tr><td class="paramname">ratio</td><td>Aspect ratio </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a76bc7cc4987b1572e12431b8128500ae">aspectRatio()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a6f1c886d127ec4943552170dc63edf29">&#9670;&nbsp;</a></span>setEnabled()</h2>

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          <td class="memname">void QwtPlotRescaler::setEnabled </td>
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          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>on</em></td><td>)</td>
          <td></td>
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<p>En/disable the rescaler. </p>
<p>When enabled is true an event filter is installed for the canvas, otherwise the event filter is removed.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">on</td><td>true or false </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a85a9b40054acaab051f3679db1547b81">isEnabled()</a>, <a class="el" href="class_qwt_plot_rescaler.html#a2a6809f3940b9114a1faed30f6edc3d0" title="Event filter for the plot canvas.">eventFilter()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa2ecffbc14d951ab9f1809c14bc4e21b">&#9670;&nbsp;</a></span>setExpandingDirection() <span class="overload">[1/2]</span></h2>

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          <td class="memname">void QwtPlotRescaler::setExpandingDirection </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>&#160;</td>
          <td class="paramname"><em>direction</em></td><td>)</td>
          <td></td>
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<p>Set the direction in which all axis should be expanded</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">direction</td><td>Direction </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#acdd929d4b55be6956acd4ec5d0df9467">expandingDirection()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a1681eb01b65b91e8b2583d87f890576f">&#9670;&nbsp;</a></span>setExpandingDirection() <span class="overload">[2/2]</span></h2>

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          <td class="memname">void QwtPlotRescaler::setExpandingDirection </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="class_qwt_plot_rescaler.html#a1c314e9513cef076a79381111aa67585">ExpandingDirection</a>&#160;</td>
          <td class="paramname"><em>direction</em>&#160;</td>
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<p>Set the direction in which an axis should be expanded</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
    <tr><td class="paramname">direction</td><td>Direction </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#acdd929d4b55be6956acd4ec5d0df9467">expandingDirection()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#afefb0ec065ff855785d0198fc04a07d3">&#9670;&nbsp;</a></span>setIntervalHint()</h2>

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          <td class="memname">void QwtPlotRescaler::setIntervalHint </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;&#160;</td>
          <td class="paramname"><em>interval</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Set an interval hint for an axis</p>
<p>In Fitting mode, the hint is used as minimal interval that always needs to be displayed.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis, see <a class="el" href="class_qwt_plot.html#a81df699dcf9dde0752c0726b5f31e271" title="Axis index.">QwtPlot::Axis</a> </td></tr>
    <tr><td class="paramname">interval</td><td>Axis </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#ac3f9475494b33ebc1a1e8103e327d56b">intervalHint()</a>, <a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a6f13d60cc1e1071a6830ea30ccbcca37">&#9670;&nbsp;</a></span>setReferenceAxis()</h2>

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          <td class="memname">void QwtPlotRescaler::setReferenceAxis </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em></td><td>)</td>
          <td></td>
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<p>Set the reference axis ( see RescalePolicy )</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis index ( <a class="el" href="class_qwt_plot.html#a81df699dcf9dde0752c0726b5f31e271" title="Axis index.">QwtPlot::Axis</a> ) </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#a207a8382199ab99a91d9c93d27aa5cf2">referenceAxis()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ae6b7df41b5387d0aed532559546e40b6">&#9670;&nbsp;</a></span>setRescalePolicy()</h2>

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          <td class="memname">void QwtPlotRescaler::setRescalePolicy </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_qwt_plot_rescaler.html#a6a614b832876a7641cb5410ba81d9d6a">RescalePolicy</a>&#160;</td>
          <td class="paramname"><em>policy</em></td><td>)</td>
          <td></td>
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<p>Change the rescale policy</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">policy</td><td>Rescale policy </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_rescaler.html#ac5a49fa34b071da28517efe6212d81ea">rescalePolicy()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a21f64ee537246c96bb724f09f3a6524c">&#9670;&nbsp;</a></span>syncScale()</h2>

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          <td class="memname"><a class="el" href="class_qwt_interval.html">QwtInterval</a> QwtPlotRescaler::syncScale </td>
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          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>axis</em>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;&#160;</td>
          <td class="paramname"><em>reference</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">const QSize &amp;&#160;</td>
          <td class="paramname"><em>size</em>&#160;</td>
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          <td></td><td> const</td>
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<p>Synchronize an axis scale according to the scale of the reference axis</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">axis</td><td>Axis index ( see QwtPlot::AxisId ) </td></tr>
    <tr><td class="paramname">reference</td><td>Interval of the reference axis </td></tr>
    <tr><td class="paramname">size</td><td>Size of the canvas</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>New interval for axis </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aaead8df76bb22831577fd11ed6d46e5a">&#9670;&nbsp;</a></span>updateScales()</h2>

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          <td class="memname">void QwtPlotRescaler::updateScales </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_qwt_interval.html">QwtInterval</a>&#160;</td>
          <td class="paramname"><em>intervals</em>[QwtPlot::axisCnt]</td><td>)</td>
          <td> const</td>
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<p>Update the axes scales</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">intervals</td><td>Scale intervals </td></tr>
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