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<p>A transformation using pow()
<a href="class_qwt_power_transform.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="qwt__transform_8h_source.html">qwt_transform.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtPowerTransform:</div>
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<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:af29ae09162f70bdf81bc5a6fabcb84ba"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_power_transform.html#af29ae09162f70bdf81bc5a6fabcb84ba">QwtPowerTransform</a> (double exponent)</td></tr>
<tr class="separator:af29ae09162f70bdf81bc5a6fabcb84ba"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a33a82c2e0a67e7463646e7dbb64ccff1"><td class="memItemLeft" align="right" valign="top"><a id="a33a82c2e0a67e7463646e7dbb64ccff1"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_power_transform.html#a33a82c2e0a67e7463646e7dbb64ccff1">~QwtPowerTransform</a> ()</td></tr>
<tr class="memdesc:a33a82c2e0a67e7463646e7dbb64ccff1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a33a82c2e0a67e7463646e7dbb64ccff1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac4993cde4c64b2435379c1c5f4e54522"><td class="memItemLeft" align="right" valign="top">virtual double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_power_transform.html#ac4993cde4c64b2435379c1c5f4e54522">transform</a> (double value) const override</td></tr>
<tr class="separator:ac4993cde4c64b2435379c1c5f4e54522"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a07b557015e7cddf0ec673be07827db69"><td class="memItemLeft" align="right" valign="top">virtual double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_power_transform.html#a07b557015e7cddf0ec673be07827db69">invTransform</a> (double value) const override</td></tr>
<tr class="separator:a07b557015e7cddf0ec673be07827db69"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abdfb2ccebc50e2553a08a6da56c7a5ba"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_transform.html">QwtTransform</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_power_transform.html#abdfb2ccebc50e2553a08a6da56c7a5ba">copy</a> () const override</td></tr>
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<tr class="inherit_header pub_methods_class_qwt_transform"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_transform')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_qwt_transform.html">QwtTransform</a></td></tr>
<tr class="memitem:aa1fa1ab21d0fc01e06d3a6e462008d0b inherit pub_methods_class_qwt_transform"><td class="memItemLeft" align="right" valign="top"><a id="aa1fa1ab21d0fc01e06d3a6e462008d0b"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_transform.html#aa1fa1ab21d0fc01e06d3a6e462008d0b">QwtTransform</a> ()</td></tr>
<tr class="memdesc:aa1fa1ab21d0fc01e06d3a6e462008d0b inherit pub_methods_class_qwt_transform"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:aa1fa1ab21d0fc01e06d3a6e462008d0b inherit pub_methods_class_qwt_transform"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa2653db3104e672464dc569592fc14ab inherit pub_methods_class_qwt_transform"><td class="memItemLeft" align="right" valign="top"><a id="aa2653db3104e672464dc569592fc14ab"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_transform.html#aa2653db3104e672464dc569592fc14ab">~QwtTransform</a> ()</td></tr>
<tr class="memdesc:aa2653db3104e672464dc569592fc14ab inherit pub_methods_class_qwt_transform"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:aa2653db3104e672464dc569592fc14ab inherit pub_methods_class_qwt_transform"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aef97acf17f900905f2a93cec7f61e643 inherit pub_methods_class_qwt_transform"><td class="memItemLeft" align="right" valign="top">virtual double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_transform.html#aef97acf17f900905f2a93cec7f61e643">bounded</a> (double value) const</td></tr>
<tr class="separator:aef97acf17f900905f2a93cec7f61e643 inherit pub_methods_class_qwt_transform"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A transformation using pow() </p>
<p><a class="el" href="class_qwt_power_transform.html" title="A transformation using pow()">QwtPowerTransform</a> preserves the sign of a value. F.e. a transformation with a factor of 2 transforms a value of -3 to -9 and v.v. Thus <a class="el" href="class_qwt_power_transform.html" title="A transformation using pow()">QwtPowerTransform</a> can be used for scales including negative values. </p>
<p class="definition">Definition at line <a class="el" href="qwt__transform_8h_source.html#l00125">125</a> of file <a class="el" href="qwt__transform_8h_source.html">qwt_transform.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="af29ae09162f70bdf81bc5a6fabcb84ba"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af29ae09162f70bdf81bc5a6fabcb84ba">&#9670;&nbsp;</a></span>QwtPowerTransform()</h2>
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<td class="memname">QwtPowerTransform::QwtPowerTransform </td>
<td>(</td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>exponent</em></td><td>)</td>
<td></td>
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Constructor </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">exponent</td><td>Exponent </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="qwt__transform_8cpp_source.html#l00121">121</a> of file <a class="el" href="qwt__transform_8cpp_source.html">qwt_transform.cpp</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="abdfb2ccebc50e2553a08a6da56c7a5ba"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abdfb2ccebc50e2553a08a6da56c7a5ba">&#9670;&nbsp;</a></span>copy()</h2>
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<td class="memname"><a class="el" href="class_qwt_transform.html">QwtTransform</a> * QwtPowerTransform::copy </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<dl class="section return"><dt>Returns</dt><dd>Clone of the transformation </dd></dl>
<p>Implements <a class="el" href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">QwtTransform</a>.</p>
<p class="definition">Definition at line <a class="el" href="qwt__transform_8cpp_source.html#l00158">158</a> of file <a class="el" href="qwt__transform_8cpp_source.html">qwt_transform.cpp</a>.</p>
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<a id="a07b557015e7cddf0ec673be07827db69"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a07b557015e7cddf0ec673be07827db69">&#9670;&nbsp;</a></span>invTransform()</h2>
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<td class="memname">double QwtPowerTransform::invTransform </td>
<td>(</td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">value</td><td>Value to be transformed </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Inverse exponentiation preserving the sign </dd></dl>
<p>Implements <a class="el" href="class_qwt_transform.html#a5cfb0a329b8418028baf6974b188d76b">QwtTransform</a>.</p>
<p class="definition">Definition at line <a class="el" href="qwt__transform_8cpp_source.html#l00149">149</a> of file <a class="el" href="qwt__transform_8cpp_source.html">qwt_transform.cpp</a>.</p>
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<a id="ac4993cde4c64b2435379c1c5f4e54522"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac4993cde4c64b2435379c1c5f4e54522">&#9670;&nbsp;</a></span>transform()</h2>
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<td class="memname">double QwtPowerTransform::transform </td>
<td>(</td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">value</td><td>Value to be transformed </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Exponentiation preserving the sign </dd></dl>
<p>Implements <a class="el" href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">QwtTransform</a>.</p>
<p class="definition">Definition at line <a class="el" href="qwt__transform_8cpp_source.html#l00136">136</a> of file <a class="el" href="qwt__transform_8cpp_source.html">qwt_transform.cpp</a>.</p>
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