<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.11"/> <title>Qwt User's Guide: QwtLinearScaleEngine Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { init_search(); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide  <span id="projectnumber">6.1.3</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.11 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</span></a></li> <li><a href="inherits.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('class_qwt_linear_scale_engine.html','');}); </script> <div id="doc-content"> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pro-methods">Protected Member Functions</a> | <a href="class_qwt_linear_scale_engine-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">QwtLinearScaleEngine Class Reference</div> </div> </div><!--header--> <div class="contents"> <p>A scale engine for linear scales. <a href="class_qwt_linear_scale_engine.html#details">More...</a></p> <p><code>#include <<a class="el" href="qwt__scale__engine_8h_source.html">qwt_scale_engine.h</a>></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"> </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"> </td></tr> <tr class="memitem:aa9e543118c60aa04f68123030821fedd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa9e543118c60aa04f68123030821fedd"></a> virtual </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"> </td><td class="mdescRight">Destructor. <br /></td></tr> <tr class="separator:aa9e543118c60aa04f68123030821fedd"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad0f1d825e70eb7a1deb15875a8093cff"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#ad0f1d825e70eb7a1deb15875a8093cff">autoScale</a> (int maxSteps, double &x1, double &x2, double &stepSize) const </td></tr> <tr class="separator:ad0f1d825e70eb7a1deb15875a8093cff"><td class="memSeparator" colspan="2"> </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> </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"> </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"> </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="-"/> 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"> </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"> </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 </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"> </td><td class="mdescRight">Destructor. <br /></td></tr> <tr class="separator:ab9c21b4550d44d9a82c1865864cb8943 inherit pub_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afdabe4fd2a89b7cd5a21cdc9ac2269d6 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void </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"> </td></tr> <tr class="memitem:a5bfe4467f5b311b3879253b0a4470a2c inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">uint </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"> </td></tr> <tr class="memitem:acf02a88f6e778edbc9e005960f35b3b7 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void </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"> </td></tr> <tr class="memitem:ab43cac5ff8843531bbb02b4401e8fb62 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">bool </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"> </td></tr> <tr class="memitem:acd73d5f27b5db0bc7ee673eb6fe9810d inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void </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"> </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> </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"> </td></tr> <tr class="memitem:a89985ea69dbd858c8b9162ecd2be936e inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void </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"> </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"> </td></tr> <tr class="memitem:a5962458870865df797e84e3bd6badf02 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double </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"> </td></tr> <tr class="memitem:aed2ab1fc105a25fa97bbecf4b2f541a7 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void </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"> </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"> </td></tr> <tr class="memitem:a0cbcd5c35a8796baf8307bba19991bab inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double </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"> </td></tr> <tr class="memitem:aa3fca2f37156fa3bd8ef21be8d339938 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double </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"> </td></tr> <tr class="memitem:ad063f4bb947996191be5c2a5fa0dbaf6 inherit pub_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">void </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"> </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> * </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"> </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> </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> &, double stepSize) const </td></tr> <tr class="memdesc:a433918756a04fb25f29ed53f5d20bfd4"><td class="mdescLeft"> </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"> </td></tr> <tr class="memitem:a7d6a7687ea03a3ce9cde3478f7f21146"><td class="memItemLeft" align="right" valign="top">void </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> &, double stepSize, int maxMinSteps, QList< double > ticks[<a class="el" href="class_qwt_scale_div.html#af21aedaa886dd5e067cf63505838736ca86796bbf72d5eb7162a924ba27ce6553">QwtScaleDiv::NTickTypes</a>]) const </td></tr> <tr class="memdesc:a7d6a7687ea03a3ce9cde3478f7f21146"><td class="mdescLeft"> </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"> </td></tr> <tr class="memitem:a00844c641535d54074f235d1fe3430f5"><td class="memItemLeft" align="right" valign="top">QList< double > </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> &interval, double stepSize) const </td></tr> <tr class="memdesc:a00844c641535d54074f235d1fe3430f5"><td class="mdescLeft"> </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"> </td></tr> <tr class="memitem:ae65f6964ee4bd4bfa19ebf1134eb9d69"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_linear_scale_engine.html#ae65f6964ee4bd4bfa19ebf1134eb9d69">buildMinorTicks</a> (const QList< double > &majorTicks, int maxMinorSteps, double stepSize, QList< double > &minorTicks, QList< double > &mediumTicks) const </td></tr> <tr class="memdesc:ae65f6964ee4bd4bfa19ebf1134eb9d69"><td class="mdescLeft"> </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"> </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="-"/> 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 </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> &, double val) const </td></tr> <tr class="separator:a36acba98650d011f784641fa4ac43f87 inherit pro_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab2b5b3c6081e1d0007f904dbc3f9f7f1 inherit pro_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">QList< double > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#ab2b5b3c6081e1d0007f904dbc3f9f7f1">strip</a> (const QList< double > &, const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &) const </td></tr> <tr class="separator:ab2b5b3c6081e1d0007f904dbc3f9f7f1 inherit pro_methods_class_qwt_scale_engine"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aff30158c5ccfee78f4c3e01c0fb5f4de inherit pro_methods_class_qwt_scale_engine"><td class="memItemLeft" align="right" valign="top">double </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"> </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> </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"> </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"> </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="-"/> 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  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a> { <br />   <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 />   <a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fa2f3985208684d394319320b8e67ea062">Inverted</a> = 0x08 <br /> }</td></tr> <tr class="separator:a7548418e0896d75eec164bfa2ba3ff5f inherit pub_types_class_qwt_scale_engine"><td class="memSeparator" colspan="2"> </td></tr> <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< <a class="el" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a> > </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"> </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"> </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 & Destructor Documentation</h2> <a class="anchor" id="a989e6f0fabe43934f1ed7c0ca290ab03"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtLinearScaleEngine::QwtLinearScaleEngine </td> <td>(</td> <td class="paramtype">uint </td> <td class="paramname"><em>base</em> = <code>10</code></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <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> </div> </div> <h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a433918756a04fb25f29ed53f5d20bfd4"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <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> & </td> <td class="paramname"><em>interval</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>stepSize</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">protected</span></span> </td> </tr> </table> </div><div class="memdoc"> <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> </div> </div> <a class="anchor" id="ad0f1d825e70eb7a1deb15875a8093cff"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">void QwtLinearScaleEngine::autoScale </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>maxNumSteps</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double & </td> <td class="paramname"><em>x1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double & </td> <td class="paramname"><em>x2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double & </td> <td class="paramname"><em>stepSize</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <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> </div> </div> <a class="anchor" id="a00844c641535d54074f235d1fe3430f5"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">QList< double > QwtLinearScaleEngine::buildMajorTicks </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_qwt_interval.html">QwtInterval</a> & </td> <td class="paramname"><em>interval</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>stepSize</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">protected</span></span> </td> </tr> </table> </div><div class="memdoc"> <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> </div> </div> <a class="anchor" id="ae65f6964ee4bd4bfa19ebf1134eb9d69"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">void QwtLinearScaleEngine::buildMinorTicks </td> <td>(</td> <td class="paramtype">const QList< double > & </td> <td class="paramname"><em>majorTicks</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>maxMinorSteps</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>stepSize</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">QList< double > & </td> <td class="paramname"><em>minorTicks</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">QList< double > & </td> <td class="paramname"><em>mediumTicks</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">protected</span></span> </td> </tr> </table> </div><div class="memdoc"> <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> </div> </div> <a class="anchor" id="a7d6a7687ea03a3ce9cde3478f7f21146"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">void QwtLinearScaleEngine::buildTicks </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_qwt_interval.html">QwtInterval</a> & </td> <td class="paramname"><em>interval</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>stepSize</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>maxMinorSteps</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">QList< double > </td> <td class="paramname"><em>ticks</em>[QwtScaleDiv::NTickTypes] </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">protected</span></span> </td> </tr> </table> </div><div class="memdoc"> <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> </div> </div> <a class="anchor" id="aafed94c688e67c95a6ecf18e8bb522ab"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> QwtLinearScaleEngine::divideScale </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>x1</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>x2</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>maxMajorSteps</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>maxMinorSteps</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>stepSize</em> = <code>0.0</code> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">virtual</span></span> </td> </tr> </table> </div><div class="memdoc"> <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> </div> </div> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="class_qwt_linear_scale_engine.html">QwtLinearScaleEngine</a></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li> </ul> </div> </body> </html>