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<h1>QwtPlotScaleItem Class Reference</h1> </div>
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<!-- doxytag: class="QwtPlotScaleItem" --><!-- doxytag: inherits="QwtPlotItem" -->
<p>A class which draws a scale inside the plot canvas.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__plot__scaleitem_8h_source.html">qwt_plot_scaleitem.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for QwtPlotScaleItem:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_plot_scale_item__inherit__graph.png" border="0" usemap="#_qwt_plot_scale_item_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_plot_scale_item_inherit__map" id="_qwt_plot_scale_item_inherit__map">
<area shape="rect" id="node2" href="class_qwt_plot_item.html" title="Base class for items on the plot canvas." alt="" coords="40,86,133,117"/><area shape="rect" id="node4" href="class_qwt_legend_item_manager.html" title="Abstract API to bind plot items to the legend." alt="" coords="5,6,168,37"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="class_qwt_plot_scale_item-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a9d093fc9de7d423435f455c110d4605d">QwtPlotScaleItem</a> (<a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a>=QwtScaleDraw::BottomScale, const double pos=0.0)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a8f246e1e73704c1c40ae1294269b65fa">~QwtPlotScaleItem</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a72d7c46ade62f45f3dffa93931900d74">rtti</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a99032adf91892f73d06a4810cd78d26b">setScaleDiv</a> (const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a06695f68519b2cc8660441d12d84ab13">scaleDiv</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a0b4660ad3d3fcf1f1de711b075b073c6">setScaleDivFromAxis</a> (bool on)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a05c89366c36fb0417e76b1a93d1ef93c">isScaleDivFromAxis</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#aff7adf18c2a6f679227c0fdaa54f39f7">setPalette</a> (const QPalette &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QPalette </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a6e48f16a93b7e7dcb98c6bfda3b11c2e">palette</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a8f2bc7a401bb3e1cf796ff024032e31d">setFont</a> (const QFont &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QFont </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#ada859305224f3eec06e23dc7c3ce8f9c">font</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a0224f2720f3df4fc781d10560a4a1590">setScaleDraw</a> (<a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> *)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#abdcced6eb4179319aeeeba370ec54a0f">scaleDraw</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#ab75d17fe11c146b49ffa47940f512850">scaleDraw</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a94536af312bb9d6de5bc7547c59e4faf">setPosition</a> (double pos)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a7228e5fc436e1cfb403c38974b781185">position</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a34bb235d0715d9c13669fe90669fc545">setBorderDistance</a> (int numPixels)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a3200035a9dd88e07f154ef4289a952c2">borderDistance</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#af11343d14c4ee38e0527cedd52b3da85">setAlignment</a> (<a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a>)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a2eef74cfd6007faf8b6e146277c82661">draw</a> (QPainter *p, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &xMap, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &yMap, const QRectF &rect) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_scale_item.html#a9c32bac1ff73c6527305698792a6edfe">updateScaleDiv</a> (const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &, const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &)</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A class which draws a scale inside the plot canvas. </p>
<p><a class="el" href="class_qwt_plot_scale_item.html" title="A class which draws a scale inside the plot canvas.">QwtPlotScaleItem</a> can be used to draw an axis inside the plot canvas. It might by synchronized to one of the axis of the plot, but can also display its own ticks and labels.</p>
<p>It is allowed to synchronize the scale item with a disabled axis. In plots with vertical and horizontal scale items, it might be necessary to remove ticks at the intersections, by overloading <a class="el" href="class_qwt_plot_scale_item.html#a9c32bac1ff73c6527305698792a6edfe" title="Update the item to changes of the axes scale division.">updateScaleDiv()</a>.</p>
<p>The scale might be at a specific position (f.e 0.0) or it might be aligned to a canvas border.</p>
<dl class="user"><dt><b>Example</b></dt><dd>The following example shows how to replace the left axis, by a scale item at the x position 0.0. <div class="fragment"><pre class="fragment">
QwtPlotScaleItem *scaleItem =
new QwtPlotScaleItem(QwtScaleDraw::RightScale, 0.0);
scaleItem->setFont(plot->axisWidget(QwtPlot::yLeft)->font());
scaleItem->attach(plot);
plot->enableAxis(QwtPlot::yLeft, false);
</pre></div> </dd></dl>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a9d093fc9de7d423435f455c110d4605d"></a><!-- doxytag: member="QwtPlotScaleItem::QwtPlotScaleItem" ref="a9d093fc9de7d423435f455c110d4605d" args="(QwtScaleDraw::Alignment=QwtScaleDraw::BottomScale, const double pos=0.0)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">QwtPlotScaleItem::QwtPlotScaleItem </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a> </td>
<td class="paramname"><em>alignment</em> = <code>QwtScaleDraw::BottomScale</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double </td>
<td class="paramname"><em>pos</em> = <code>0.0</code> </td>
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<td></td>
<td>)</td>
<td></td><td><code> [explicit]</code></td>
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<div class="memdoc">
<p>Constructor for scale item at the position pos. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">alignment</td><td>In case of <a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66a0e16389e135da75f06117d1ee3ef765f" title="The scale is below.">QwtScaleDraw::BottomScale</a> or <a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66a2386da707d8f736701b8ab98f778648c" title="The scale is above.">QwtScaleDraw::TopScale</a> the scale item is corresponding to the <a class="el" href="class_qwt_plot_item.html#a7af360bf6d5a5b6257ce6b0dd99b7525" title="Return xAxis.">xAxis()</a>, otherwise it corresponds to the <a class="el" href="class_qwt_plot_item.html#ac7714ffa278a10e0cf45972e487b63ff" title="Return yAxis.">yAxis()</a>.</td></tr>
<tr><td class="paramname">pos</td><td>x or y position, depending on the corresponding axis.</td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a94536af312bb9d6de5bc7547c59e4faf">setPosition()</a>, <a class="el" href="class_qwt_plot_scale_item.html#af11343d14c4ee38e0527cedd52b3da85">setAlignment()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="a8f246e1e73704c1c40ae1294269b65fa"></a><!-- doxytag: member="QwtPlotScaleItem::~QwtPlotScaleItem" ref="a8f246e1e73704c1c40ae1294269b65fa" args="()" -->
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<td class="memname">QwtPlotScaleItem::~QwtPlotScaleItem </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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</table>
</div>
<div class="memdoc">
<p>Destructor. </p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a3200035a9dd88e07f154ef4289a952c2"></a><!-- doxytag: member="QwtPlotScaleItem::borderDistance" ref="a3200035a9dd88e07f154ef4289a952c2" args="() const " -->
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<td class="memname">int QwtPlotScaleItem::borderDistance </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>Distance from a canvas border </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a34bb235d0715d9c13669fe90669fc545" title="Align the scale to the canvas.">setBorderDistance()</a>, <a class="el" href="class_qwt_plot_scale_item.html#a94536af312bb9d6de5bc7547c59e4faf">setPosition()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="a2eef74cfd6007faf8b6e146277c82661"></a><!-- doxytag: member="QwtPlotScaleItem::draw" ref="a2eef74cfd6007faf8b6e146277c82661" args="(QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &rect) const " -->
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<td class="memname">void QwtPlotScaleItem::draw </td>
<td>(</td>
<td class="paramtype">QPainter * </td>
<td class="paramname"><em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> & </td>
<td class="paramname"><em>xMap</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> & </td>
<td class="paramname"><em>yMap</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QRectF & </td>
<td class="paramname"><em>rect</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const<code> [virtual]</code></td>
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<div class="memdoc">
<p>Draw the scale. </p>
<p>Implements <a class="el" href="class_qwt_plot_item.html#a0b0d6589d5db81ce72e6b33c4fbb21f9">QwtPlotItem</a>.</p>
</div>
</div>
<a class="anchor" id="ada859305224f3eec06e23dc7c3ce8f9c"></a><!-- doxytag: member="QwtPlotScaleItem::font" ref="ada859305224f3eec06e23dc7c3ce8f9c" args="() const " -->
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<td class="memname">QFont QwtPlotScaleItem::font </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>tick label font </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a8f2bc7a401bb3e1cf796ff024032e31d">setFont()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="a05c89366c36fb0417e76b1a93d1ef93c"></a><!-- doxytag: member="QwtPlotScaleItem::isScaleDivFromAxis" ref="a05c89366c36fb0417e76b1a93d1ef93c" args="() const " -->
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<td class="memname">bool QwtPlotScaleItem::isScaleDivFromAxis </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>True, if the synchronization of the scale division with the corresponding axis is enabled. </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a99032adf91892f73d06a4810cd78d26b" title="Assign a scale division.">setScaleDiv()</a>, <a class="el" href="class_qwt_plot_scale_item.html#a0b4660ad3d3fcf1f1de711b075b073c6">setScaleDivFromAxis()</a> </dd></dl>
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<a class="anchor" id="a6e48f16a93b7e7dcb98c6bfda3b11c2e"></a><!-- doxytag: member="QwtPlotScaleItem::palette" ref="a6e48f16a93b7e7dcb98c6bfda3b11c2e" args="() const " -->
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<td class="memname">QPalette QwtPlotScaleItem::palette </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
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<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>palette </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#aff7adf18c2a6f679227c0fdaa54f39f7">setPalette()</a> </dd></dl>
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<a class="anchor" id="a7228e5fc436e1cfb403c38974b781185"></a><!-- doxytag: member="QwtPlotScaleItem::position" ref="a7228e5fc436e1cfb403c38974b781185" args="() const " -->
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<td class="memname">double QwtPlotScaleItem::position </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Position of the scale </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a94536af312bb9d6de5bc7547c59e4faf">setPosition()</a>, <a class="el" href="class_qwt_plot_scale_item.html#af11343d14c4ee38e0527cedd52b3da85">setAlignment()</a> </dd></dl>
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<a class="anchor" id="a72d7c46ade62f45f3dffa93931900d74"></a><!-- doxytag: member="QwtPlotScaleItem::rtti" ref="a72d7c46ade62f45f3dffa93931900d74" args="() const " -->
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<td class="memname">int QwtPlotScaleItem::rtti </td>
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<td class="paramname"></td><td>)</td>
<td> const<code> [virtual]</code></td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>QwtPlotItem::Rtti_PlotScale </dd></dl>
<p>Reimplemented from <a class="el" href="class_qwt_plot_item.html#af153b5a40a60ac626f1c58e69fc4ecad">QwtPlotItem</a>.</p>
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<a class="anchor" id="a06695f68519b2cc8660441d12d84ab13"></a><!-- doxytag: member="QwtPlotScaleItem::scaleDiv" ref="a06695f68519b2cc8660441d12d84ab13" args="() const " -->
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<td class="memname">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & QwtPlotScaleItem::scaleDiv </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Scale division </dd></dl>
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<a class="anchor" id="abdcced6eb4179319aeeeba370ec54a0f"></a><!-- doxytag: member="QwtPlotScaleItem::scaleDraw" ref="abdcced6eb4179319aeeeba370ec54a0f" args="() const " -->
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<td class="memname">const <a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> * QwtPlotScaleItem::scaleDraw </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Scale draw </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a0224f2720f3df4fc781d10560a4a1590" title="Set a scale draw.">setScaleDraw()</a> </dd></dl>
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<a class="anchor" id="ab75d17fe11c146b49ffa47940f512850"></a><!-- doxytag: member="QwtPlotScaleItem::scaleDraw" ref="ab75d17fe11c146b49ffa47940f512850" args="()" -->
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<td class="memname"><a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> * QwtPlotScaleItem::scaleDraw </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Scale draw </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a0224f2720f3df4fc781d10560a4a1590" title="Set a scale draw.">setScaleDraw()</a> </dd></dl>
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<a class="anchor" id="af11343d14c4ee38e0527cedd52b3da85"></a><!-- doxytag: member="QwtPlotScaleItem::setAlignment" ref="af11343d14c4ee38e0527cedd52b3da85" args="(QwtScaleDraw::Alignment)" -->
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<td class="memname">void QwtPlotScaleItem::setAlignment </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a> </td>
<td class="paramname"><em>alignment</em></td><td>)</td>
<td></td>
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<p>Change the alignment of the scale</p>
<p>The alignment sets the orientation of the scale and the position of the ticks:</p>
<ul>
<li><a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66a0e16389e135da75f06117d1ee3ef765f" title="The scale is below.">QwtScaleDraw::BottomScale</a>: horizontal, ticks below</li>
<li><a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66a2386da707d8f736701b8ab98f778648c" title="The scale is above.">QwtScaleDraw::TopScale</a>: horizontal, ticks above</li>
<li><a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66af2a8239964381f18dbd08d4a93a7fa23" title="The scale is left.">QwtScaleDraw::LeftScale</a>: vertical, ticks left</li>
<li><a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66a84d42042d94ae7726395ceb578225e1e" title="The scale is right.">QwtScaleDraw::RightScale</a>: vertical, ticks right</li>
</ul>
<p>For horizontal scales the position corresponds to <a class="el" href="class_qwt_plot_item.html#ac7714ffa278a10e0cf45972e487b63ff" title="Return yAxis.">QwtPlotItem::yAxis()</a>, otherwise to <a class="el" href="class_qwt_plot_item.html#a7af360bf6d5a5b6257ce6b0dd99b7525" title="Return xAxis.">QwtPlotItem::xAxis()</a>.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#ab75d17fe11c146b49ffa47940f512850">scaleDraw()</a>, <a class="el" href="class_qwt_scale_draw.html#ad0425d29e919f60021322b178661b6e5">QwtScaleDraw::alignment()</a>, <a class="el" href="class_qwt_plot_scale_item.html#a94536af312bb9d6de5bc7547c59e4faf">setPosition()</a> </dd></dl>
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<a class="anchor" id="a34bb235d0715d9c13669fe90669fc545"></a><!-- doxytag: member="QwtPlotScaleItem::setBorderDistance" ref="a34bb235d0715d9c13669fe90669fc545" args="(int numPixels)" -->
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<td class="memname">void QwtPlotScaleItem::setBorderDistance </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>distance</em></td><td>)</td>
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<p>Align the scale to the canvas. </p>
<p>If distance is >= 0 the scale will be aligned to a border of the contents rect of the canvas. If alignment() is <a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66af2a8239964381f18dbd08d4a93a7fa23" title="The scale is left.">QwtScaleDraw::LeftScale</a>, the scale will be aligned to the right border, if it is <a class="el" href="class_qwt_scale_draw.html#acd7ceeeac592ef08530788580b461c66a2386da707d8f736701b8ab98f778648c" title="The scale is above.">QwtScaleDraw::TopScale</a> it will be aligned to the bottom (and vice versa),</p>
<p>If distance is < 0 the scale will be at the <a class="el" href="class_qwt_plot_scale_item.html#a7228e5fc436e1cfb403c38974b781185">position()</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">distance</td><td>Number of pixels between the canvas border and the backbone of the scale.</td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a94536af312bb9d6de5bc7547c59e4faf">setPosition()</a>, <a class="el" href="class_qwt_plot_scale_item.html#a3200035a9dd88e07f154ef4289a952c2">borderDistance()</a> </dd></dl>
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<a class="anchor" id="a8f2bc7a401bb3e1cf796ff024032e31d"></a><!-- doxytag: member="QwtPlotScaleItem::setFont" ref="a8f2bc7a401bb3e1cf796ff024032e31d" args="(const QFont &)" -->
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<td class="memname">void QwtPlotScaleItem::setFont </td>
<td>(</td>
<td class="paramtype">const QFont & </td>
<td class="paramname"><em>font</em></td><td>)</td>
<td></td>
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<p>Change the tick label font </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#ada859305224f3eec06e23dc7c3ce8f9c">font()</a> </dd></dl>
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<a class="anchor" id="aff7adf18c2a6f679227c0fdaa54f39f7"></a><!-- doxytag: member="QwtPlotScaleItem::setPalette" ref="aff7adf18c2a6f679227c0fdaa54f39f7" args="(const QPalette &)" -->
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<td class="memname">void QwtPlotScaleItem::setPalette </td>
<td>(</td>
<td class="paramtype">const QPalette & </td>
<td class="paramname"><em>palette</em></td><td>)</td>
<td></td>
</tr>
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<p>Set the palette </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_abstract_scale_draw.html#aca3c3a7499112f52616d0ee8518fa5a6" title="Draw the scale.">QwtAbstractScaleDraw::draw()</a>, <a class="el" href="class_qwt_plot_scale_item.html#a6e48f16a93b7e7dcb98c6bfda3b11c2e">palette()</a> </dd></dl>
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<a class="anchor" id="a94536af312bb9d6de5bc7547c59e4faf"></a><!-- doxytag: member="QwtPlotScaleItem::setPosition" ref="a94536af312bb9d6de5bc7547c59e4faf" args="(double pos)" -->
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<td class="memname">void QwtPlotScaleItem::setPosition </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>pos</em></td><td>)</td>
<td></td>
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<p>Change the position of the scale</p>
<p>The position is interpreted as y value for horizontal axes and as x value for vertical axes.</p>
<p>The border distance is set to -1.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pos</td><td>New position </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a7228e5fc436e1cfb403c38974b781185">position()</a>, <a class="el" href="class_qwt_plot_scale_item.html#af11343d14c4ee38e0527cedd52b3da85">setAlignment()</a> </dd></dl>
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<a class="anchor" id="a99032adf91892f73d06a4810cd78d26b"></a><!-- doxytag: member="QwtPlotScaleItem::setScaleDiv" ref="a99032adf91892f73d06a4810cd78d26b" args="(const QwtScaleDiv &)" -->
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<td class="memname">void QwtPlotScaleItem::setScaleDiv </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & </td>
<td class="paramname"><em>scaleDiv</em></td><td>)</td>
<td></td>
</tr>
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<p>Assign a scale division. </p>
<p>When assigning a scaleDiv the scale division won't be synchronized with the corresponding axis anymore.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">scaleDiv</td><td>Scale division </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a06695f68519b2cc8660441d12d84ab13">scaleDiv()</a>, <a class="el" href="class_qwt_plot_scale_item.html#a0b4660ad3d3fcf1f1de711b075b073c6">setScaleDivFromAxis()</a>, <a class="el" href="class_qwt_plot_scale_item.html#a05c89366c36fb0417e76b1a93d1ef93c">isScaleDivFromAxis()</a> </dd></dl>
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<a class="anchor" id="a0b4660ad3d3fcf1f1de711b075b073c6"></a><!-- doxytag: member="QwtPlotScaleItem::setScaleDivFromAxis" ref="a0b4660ad3d3fcf1f1de711b075b073c6" args="(bool on)" -->
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<td class="memname">void QwtPlotScaleItem::setScaleDivFromAxis </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>on</em></td><td>)</td>
<td></td>
</tr>
</table>
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<p>Enable/Disable the synchronization of the scale division with the corresponding axis.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">on</td><td>true/false </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#a05c89366c36fb0417e76b1a93d1ef93c">isScaleDivFromAxis()</a> </dd></dl>
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<a class="anchor" id="a0224f2720f3df4fc781d10560a4a1590"></a><!-- doxytag: member="QwtPlotScaleItem::setScaleDraw" ref="a0224f2720f3df4fc781d10560a4a1590" args="(QwtScaleDraw *)" -->
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<td class="memname">void QwtPlotScaleItem::setScaleDraw </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_qwt_scale_draw.html">QwtScaleDraw</a> * </td>
<td class="paramname"><em>scaleDraw</em></td><td>)</td>
<td></td>
</tr>
</table>
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<p>Set a scale draw. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">scaleDraw</td><td>object responsible for drawing scales.</td></tr>
</table>
</dd>
</dl>
<p>The main use case for replacing the default <a class="el" href="class_qwt_scale_draw.html" title="A class for drawing scales.">QwtScaleDraw</a> is to overload <a class="el" href="class_qwt_abstract_scale_draw.html#a4ff88bc827dd6c6ca9298de13483b61f" title="Convert a value into its representing label.">QwtAbstractScaleDraw::label</a>, to replace or swallow tick labels.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_scale_item.html#ab75d17fe11c146b49ffa47940f512850">scaleDraw()</a> </dd></dl>
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<a class="anchor" id="a9c32bac1ff73c6527305698792a6edfe"></a><!-- doxytag: member="QwtPlotScaleItem::updateScaleDiv" ref="a9c32bac1ff73c6527305698792a6edfe" args="(const QwtScaleDiv &, const QwtScaleDiv &)" -->
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<td class="memname">void QwtPlotScaleItem::updateScaleDiv </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & </td>
<td class="paramname"><em>xScaleDiv</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & </td>
<td class="paramname"><em>yScaleDiv</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
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<p>Update the item to changes of the axes scale division. </p>
<p>In case of <a class="el" href="class_qwt_plot_scale_item.html#a05c89366c36fb0417e76b1a93d1ef93c">isScaleDivFromAxis()</a>, the scale draw is synchronized to the correspond axis.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">xScaleDiv</td><td>Scale division of the x-axis </td></tr>
<tr><td class="paramname">yScaleDiv</td><td>Scale division of the y-axis</td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot.html#a1fb2dbc3697a66024d48c08b1d18f8a5" title="Rebuild the scales.">QwtPlot::updateAxes()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="class_qwt_plot_item.html#abf6a70847d3db952161ca4d4a952eea0">QwtPlotItem</a>.</p>
</div>
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