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<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="class_qwt_linear_scale_engine-members.html">List of all members</a>  </div>
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<div class="title">QwtLinearScaleEngine Class Reference</div>  </div>
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<p>A scale engine for linear scales.  
 <a href="class_qwt_linear_scale_engine.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__scale__engine_8h_source.html">qwt_scale_engine.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtLinearScaleEngine:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_linear_scale_engine__inherit__graph.png" border="0" usemap="#_qwt_linear_scale_engine_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_linear_scale_engine_inherit__map" id="_qwt_linear_scale_engine_inherit__map">
<area shape="rect" id="node3" href="class_qwt_date_scale_engine.html" title="A scale engine for date/time values. " alt="" coords="9,155,160,181"/>
<area shape="rect" id="node2" href="class_qwt_scale_engine.html" title="Base class for scale engines. " alt="" coords="24,5,145,32"/>
</map>
<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-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a989e6f0fabe43934f1ed7c0ca290ab03"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#a989e6f0fabe43934f1ed7c0ca290ab03">QwtLinearScaleEngine</a> (uint <a class="el" href="class_qwt_scale_engine.html#a5bfe4467f5b311b3879253b0a4470a2c">base</a>=10)</td></tr>
<tr class="separator:a989e6f0fabe43934f1ed7c0ca290ab03"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa9e543118c60aa04f68123030821fedd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa9e543118c60aa04f68123030821fedd"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#aa9e543118c60aa04f68123030821fedd">~QwtLinearScaleEngine</a> ()</td></tr>
<tr class="memdesc:aa9e543118c60aa04f68123030821fedd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:aa9e543118c60aa04f68123030821fedd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad0f1d825e70eb7a1deb15875a8093cff"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#ad0f1d825e70eb7a1deb15875a8093cff">autoScale</a> (int maxSteps, double &amp;x1, double &amp;x2, double &amp;stepSize) const </td></tr>
<tr class="separator:ad0f1d825e70eb7a1deb15875a8093cff"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aafed94c688e67c95a6ecf18e8bb522ab"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#aafed94c688e67c95a6ecf18e8bb522ab">divideScale</a> (double x1, double x2, int numMajorSteps, int numMinorSteps, double stepSize=0.0) const </td></tr>
<tr class="memdesc:aafed94c688e67c95a6ecf18e8bb522ab"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate a scale division for an interval.  <a href="#aafed94c688e67c95a6ecf18e8bb522ab">More...</a><br /></td></tr>
<tr class="separator:aafed94c688e67c95a6ecf18e8bb522ab"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_class_qwt_scale_engine"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_scale_engine')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a></td></tr>
<tr class="memitem:a4ad501667558e5095d36cc190d12790d inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a4ad501667558e5095d36cc190d12790d">QwtScaleEngine</a> (uint <a class="el" href="class_qwt_scale_engine.html#a5bfe4467f5b311b3879253b0a4470a2c">base</a>=10)</td></tr>
<tr class="separator:a4ad501667558e5095d36cc190d12790d inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab9c21b4550d44d9a82c1865864cb8943 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab9c21b4550d44d9a82c1865864cb8943"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#ab9c21b4550d44d9a82c1865864cb8943">~QwtScaleEngine</a> ()</td></tr>
<tr class="memdesc:ab9c21b4550d44d9a82c1865864cb8943 inherit pub_methods_class_qwt_scale_engine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:ab9c21b4550d44d9a82c1865864cb8943 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afdabe4fd2a89b7cd5a21cdc9ac2269d6 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#afdabe4fd2a89b7cd5a21cdc9ac2269d6">setBase</a> (uint <a class="el" href="class_qwt_scale_engine.html#a5bfe4467f5b311b3879253b0a4470a2c">base</a>)</td></tr>
<tr class="separator:afdabe4fd2a89b7cd5a21cdc9ac2269d6 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5bfe4467f5b311b3879253b0a4470a2c inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">uint&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a5bfe4467f5b311b3879253b0a4470a2c">base</a> () const </td></tr>
<tr class="separator:a5bfe4467f5b311b3879253b0a4470a2c inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acf02a88f6e778edbc9e005960f35b3b7 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#acf02a88f6e778edbc9e005960f35b3b7">setAttribute</a> (<a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a>, bool on=true)</td></tr>
<tr class="separator:acf02a88f6e778edbc9e005960f35b3b7 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab43cac5ff8843531bbb02b4401e8fb62 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#ab43cac5ff8843531bbb02b4401e8fb62">testAttribute</a> (<a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a>) const </td></tr>
<tr class="separator:ab43cac5ff8843531bbb02b4401e8fb62 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acd73d5f27b5db0bc7ee673eb6fe9810d inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#acd73d5f27b5db0bc7ee673eb6fe9810d">setAttributes</a> (<a class="el" href="class_qwt_scale_engine.html#a798f5f1420019d33baa799d26bca0255">Attributes</a>)</td></tr>
<tr class="separator:acd73d5f27b5db0bc7ee673eb6fe9810d inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a044961cfa3be3ac86d49610c3881df08 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_scale_engine.html#a798f5f1420019d33baa799d26bca0255">Attributes</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a044961cfa3be3ac86d49610c3881df08">attributes</a> () const </td></tr>
<tr class="separator:a044961cfa3be3ac86d49610c3881df08 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a89985ea69dbd858c8b9162ecd2be936e inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a89985ea69dbd858c8b9162ecd2be936e">setReference</a> (double <a class="el" href="class_qwt_scale_engine.html#a5962458870865df797e84e3bd6badf02">reference</a>)</td></tr>
<tr class="memdesc:a89985ea69dbd858c8b9162ecd2be936e inherit pub_methods_class_qwt_scale_engine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Specify a reference point.  <a href="#a89985ea69dbd858c8b9162ecd2be936e">More...</a><br /></td></tr>
<tr class="separator:a89985ea69dbd858c8b9162ecd2be936e inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5962458870865df797e84e3bd6badf02 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a5962458870865df797e84e3bd6badf02">reference</a> () const </td></tr>
<tr class="separator:a5962458870865df797e84e3bd6badf02 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aed2ab1fc105a25fa97bbecf4b2f541a7 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#aed2ab1fc105a25fa97bbecf4b2f541a7">setMargins</a> (double lower, double upper)</td></tr>
<tr class="memdesc:aed2ab1fc105a25fa97bbecf4b2f541a7 inherit pub_methods_class_qwt_scale_engine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Specify margins at the scale's endpoints.  <a href="#aed2ab1fc105a25fa97bbecf4b2f541a7">More...</a><br /></td></tr>
<tr class="separator:aed2ab1fc105a25fa97bbecf4b2f541a7 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0cbcd5c35a8796baf8307bba19991bab inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a0cbcd5c35a8796baf8307bba19991bab">lowerMargin</a> () const </td></tr>
<tr class="separator:a0cbcd5c35a8796baf8307bba19991bab inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa3fca2f37156fa3bd8ef21be8d339938 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#aa3fca2f37156fa3bd8ef21be8d339938">upperMargin</a> () const </td></tr>
<tr class="separator:aa3fca2f37156fa3bd8ef21be8d339938 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad063f4bb947996191be5c2a5fa0dbaf6 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#ad063f4bb947996191be5c2a5fa0dbaf6">setTransformation</a> (<a class="el" href="class_qwt_transform.html">QwtTransform</a> *)</td></tr>
<tr class="separator:ad063f4bb947996191be5c2a5fa0dbaf6 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acbc5488cb3f3e2ec9566d4797468d0d7 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_transform.html">QwtTransform</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#acbc5488cb3f3e2ec9566d4797468d0d7">transformation</a> () const </td></tr>
<tr class="separator:acbc5488cb3f3e2ec9566d4797468d0d7 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a433918756a04fb25f29ed53f5d20bfd4"><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_linear_scale_engine.html#a433918756a04fb25f29ed53f5d20bfd4">align</a> (const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;, double stepSize) const </td></tr>
<tr class="memdesc:a433918756a04fb25f29ed53f5d20bfd4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Align an interval to a step size.  <a href="#a433918756a04fb25f29ed53f5d20bfd4">More...</a><br /></td></tr>
<tr class="separator:a433918756a04fb25f29ed53f5d20bfd4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7d6a7687ea03a3ce9cde3478f7f21146"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#a7d6a7687ea03a3ce9cde3478f7f21146">buildTicks</a> (const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;, double stepSize, int maxMinSteps, QList&lt; double &gt; ticks[<a class="el" href="class_qwt_scale_div.html#af21aedaa886dd5e067cf63505838736ca86796bbf72d5eb7162a924ba27ce6553">QwtScaleDiv::NTickTypes</a>]) const </td></tr>
<tr class="memdesc:a7d6a7687ea03a3ce9cde3478f7f21146"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate ticks for an interval.  <a href="#a7d6a7687ea03a3ce9cde3478f7f21146">More...</a><br /></td></tr>
<tr class="separator:a7d6a7687ea03a3ce9cde3478f7f21146"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a00844c641535d54074f235d1fe3430f5"><td class="memItemLeft" align="right" valign="top">QList&lt; double &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#a00844c641535d54074f235d1fe3430f5">buildMajorTicks</a> (const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;interval, double stepSize) const </td></tr>
<tr class="memdesc:a00844c641535d54074f235d1fe3430f5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate major ticks for an interval.  <a href="#a00844c641535d54074f235d1fe3430f5">More...</a><br /></td></tr>
<tr class="separator:a00844c641535d54074f235d1fe3430f5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae65f6964ee4bd4bfa19ebf1134eb9d69"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#ae65f6964ee4bd4bfa19ebf1134eb9d69">buildMinorTicks</a> (const QList&lt; double &gt; &amp;majorTicks, int maxMinorSteps, double stepSize, QList&lt; double &gt; &amp;minorTicks, QList&lt; double &gt; &amp;mediumTicks) const </td></tr>
<tr class="memdesc:ae65f6964ee4bd4bfa19ebf1134eb9d69"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate minor/medium ticks for major ticks.  <a href="#ae65f6964ee4bd4bfa19ebf1134eb9d69">More...</a><br /></td></tr>
<tr class="separator:ae65f6964ee4bd4bfa19ebf1134eb9d69"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_methods_class_qwt_scale_engine"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_class_qwt_scale_engine')"><img src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a></td></tr>
<tr class="memitem:a36acba98650d011f784641fa4ac43f87 inherit pro_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a36acba98650d011f784641fa4ac43f87">contains</a> (const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;, double val) const </td></tr>
<tr class="separator:a36acba98650d011f784641fa4ac43f87 inherit pro_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab2b5b3c6081e1d0007f904dbc3f9f7f1 inherit pro_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">QList&lt; double &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#ab2b5b3c6081e1d0007f904dbc3f9f7f1">strip</a> (const QList&lt; double &gt; &amp;, const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &amp;) const </td></tr>
<tr class="separator:ab2b5b3c6081e1d0007f904dbc3f9f7f1 inherit pro_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aff30158c5ccfee78f4c3e01c0fb5f4de inherit pro_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#aff30158c5ccfee78f4c3e01c0fb5f4de">divideInterval</a> (double interval, int numSteps) const </td></tr>
<tr class="separator:aff30158c5ccfee78f4c3e01c0fb5f4de inherit pro_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac9d1a77655b633ee4f165eb5c43a4374 inherit pro_methods_class_qwt_scale_engine"><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_scale_engine.html#ac9d1a77655b633ee4f165eb5c43a4374">buildInterval</a> (double v) const </td></tr>
<tr class="memdesc:ac9d1a77655b633ee4f165eb5c43a4374 inherit pro_methods_class_qwt_scale_engine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Build an interval around a value.  <a href="#ac9d1a77655b633ee4f165eb5c43a4374">More...</a><br /></td></tr>
<tr class="separator:ac9d1a77655b633ee4f165eb5c43a4374 inherit pro_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_class_qwt_scale_engine"><td colspan="2" onclick="javascript:toggleInherit('pub_types_class_qwt_scale_engine')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a></td></tr>
<tr class="memitem:a7548418e0896d75eec164bfa2ba3ff5f inherit pub_types_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a> { <br />
&#160;&#160;<a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fa617f0da0b90080be49b79dbaaab191f8">NoAttribute</a> = 0x00, 
<a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fad29dea0ac58c4675ac009620b0857984">IncludeReference</a> = 0x01, 
<a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fab3931d404b68708d0c6eaf87ae744fc9">Symmetric</a> = 0x02, 
<a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fa2158d4b3596e7d4a00375821fc0d20c3">Floating</a> = 0x04, 
<br />
&#160;&#160;<a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fa2f3985208684d394319320b8e67ea062">Inverted</a> = 0x08
<br />
 }</td></tr>
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<tr class="memitem:a798f5f1420019d33baa799d26bca0255 inherit pub_types_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a798f5f1420019d33baa799d26bca0255"></a>
typedef QFlags&lt; <a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a798f5f1420019d33baa799d26bca0255">Attributes</a></td></tr>
<tr class="memdesc:a798f5f1420019d33baa799d26bca0255 inherit pub_types_class_qwt_scale_engine"><td class="mdescLeft">&#160;</td><td class="mdescRight">Layout attributes. <br /></td></tr>
<tr class="separator:a798f5f1420019d33baa799d26bca0255 inherit pub_types_class_qwt_scale_engine"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A scale engine for linear scales. </p>
<p>The step size will fit into the pattern <img class="formulaInl" alt="$\left\{ 1,2,5\right\} \cdot 10^{n}$" src="form_4.png"/>, where n is an integer. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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          <td class="memname">QwtLinearScaleEngine::QwtLinearScaleEngine </td>
          <td>(</td>
          <td class="paramtype">uint&#160;</td>
          <td class="paramname"><em>base</em> = <code>10</code></td><td>)</td>
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<p>Constructor</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">base</td><td>Base of the scale engine </td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_scale_engine.html#afdabe4fd2a89b7cd5a21cdc9ac2269d6">setBase()</a> </dd></dl>

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<h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname"><a class="el" href="class_qwt_interval.html">QwtInterval</a> QwtLinearScaleEngine::align </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>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>stepSize</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>Align an interval to a step size. </p>
<p>The limits of an interval are aligned that both are integer multiples of the step size.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">interval</td><td>Interval </td></tr>
    <tr><td class="paramname">stepSize</td><td>Step size</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Aligned interval </dd></dl>

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          <td class="memname">void QwtLinearScaleEngine::autoScale </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>maxNumSteps</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double &amp;&#160;</td>
          <td class="paramname"><em>x1</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double &amp;&#160;</td>
          <td class="paramname"><em>x2</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double &amp;&#160;</td>
          <td class="paramname"><em>stepSize</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>Align and divide an interval</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">maxNumSteps</td><td>Max. number of steps </td></tr>
    <tr><td class="paramname">x1</td><td>First limit of the interval (In/Out) </td></tr>
    <tr><td class="paramname">x2</td><td>Second limit of the interval (In/Out) </td></tr>
    <tr><td class="paramname">stepSize</td><td>Step size (Out)</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_scale_engine.html#acf02a88f6e778edbc9e005960f35b3b7">setAttribute()</a> </dd></dl>

<p>Implements <a class="el" href="class_qwt_scale_engine.html#accc3684f82fd0da0e87b3c5ed0ad9e10">QwtScaleEngine</a>.</p>

<p>Reimplemented in <a class="el" href="class_qwt_date_scale_engine.html#a6c7e5c416ff4a1d3cd5f029793a31c34">QwtDateScaleEngine</a>.</p>

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          <td class="memname">QList&lt; double &gt; QwtLinearScaleEngine::buildMajorTicks </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>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>stepSize</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>Calculate major ticks for an interval. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">interval</td><td>Interval </td></tr>
    <tr><td class="paramname">stepSize</td><td>Step size</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Calculated ticks </dd></dl>

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          <td class="memname">void QwtLinearScaleEngine::buildMinorTicks </td>
          <td>(</td>
          <td class="paramtype">const QList&lt; double &gt; &amp;&#160;</td>
          <td class="paramname"><em>majorTicks</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>maxMinorSteps</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>stepSize</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">QList&lt; double &gt; &amp;&#160;</td>
          <td class="paramname"><em>minorTicks</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">QList&lt; double &gt; &amp;&#160;</td>
          <td class="paramname"><em>mediumTicks</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>Calculate minor/medium ticks for major ticks. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">majorTicks</td><td>Major ticks </td></tr>
    <tr><td class="paramname">maxMinorSteps</td><td>Maximum number of minor steps </td></tr>
    <tr><td class="paramname">stepSize</td><td>Step size </td></tr>
    <tr><td class="paramname">minorTicks</td><td>Array to be filled with the calculated minor ticks </td></tr>
    <tr><td class="paramname">mediumTicks</td><td>Array to be filled with the calculated medium ticks </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">void QwtLinearScaleEngine::buildTicks </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>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>stepSize</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>maxMinorSteps</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">QList&lt; double &gt;&#160;</td>
          <td class="paramname"><em>ticks</em>[QwtScaleDiv::NTickTypes]&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>Calculate ticks for an interval. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">interval</td><td>Interval </td></tr>
    <tr><td class="paramname">stepSize</td><td>Step size </td></tr>
    <tr><td class="paramname">maxMinorSteps</td><td>Maximum number of minor steps </td></tr>
    <tr><td class="paramname">ticks</td><td>Arrays to be filled with the calculated ticks</td></tr>
  </table>
  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_linear_scale_engine.html#a00844c641535d54074f235d1fe3430f5" title="Calculate major ticks for an interval. ">buildMajorTicks()</a>, <a class="el" href="class_qwt_linear_scale_engine.html#ae65f6964ee4bd4bfa19ebf1134eb9d69" title="Calculate minor/medium ticks for major ticks. ">buildMinorTicks</a> </dd></dl>

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          <td class="memname"><a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> QwtLinearScaleEngine::divideScale </td>
          <td>(</td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>x1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>x2</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>maxMajorSteps</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>maxMinorSteps</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>stepSize</em> = <code>0.0</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<p>Calculate a scale division for an interval. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">x1</td><td>First interval limit </td></tr>
    <tr><td class="paramname">x2</td><td>Second interval limit </td></tr>
    <tr><td class="paramname">maxMajorSteps</td><td>Maximum for the number of major steps </td></tr>
    <tr><td class="paramname">maxMinorSteps</td><td>Maximum number of minor steps </td></tr>
    <tr><td class="paramname">stepSize</td><td>Step size. If stepSize == 0, the engine calculates one.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Calculated scale division </dd></dl>

<p>Implements <a class="el" href="class_qwt_scale_engine.html#a797eeaa8a7a23503583b5fa5a583cd28">QwtScaleEngine</a>.</p>

<p>Reimplemented in <a class="el" href="class_qwt_date_scale_engine.html#a335b9e9e2875492ce59befe31247c017">QwtDateScaleEngine</a>.</p>

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