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<a href="#pub-methods">Public Member Functions</a> |
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<p>An abstract base class for widgets having a scale.
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<a href="class_qwt_abstract_scale.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="qwt__abstract__scale_8h_source.html">qwt_abstract_scale.h</a>></code></p>
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Inheritance diagram for QwtAbstractScale:</div>
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<area shape="rect" id="node3" href="class_qwt_abstract_slider.html" title="An abstract base class for slider widgets with a scale. " alt="" coords="168,155,296,181"/>
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<area shape="rect" id="node9" href="class_qwt_thermo.html" title="The Thermometer Widget. " alt="" coords="320,155,413,181"/>
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<area shape="rect" id="node4" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control. " alt="" coords="100,229,169,256"/>
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<area shape="rect" id="node7" href="class_qwt_knob.html" title="The Knob Widget. " alt="" coords="194,229,270,256"/>
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<area shape="rect" id="node8" href="class_qwt_slider.html" title="The Slider Widget. " alt="" coords="295,229,375,256"/>
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<area shape="rect" id="node5" href="class_qwt_analog_clock.html" title="An analog clock. " alt="" coords="5,304,128,331"/>
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<area shape="rect" id="node6" href="class_qwt_compass.html" title="A Compass Widget. " alt="" coords="153,304,255,331"/>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a97fff64367cdbe7bc8dc56c41d5faf9e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a97fff64367cdbe7bc8dc56c41d5faf9e">QwtAbstractScale</a> (QWidget *parent=NULL)</td></tr>
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<tr class="separator:a97fff64367cdbe7bc8dc56c41d5faf9e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a73890593efff11427ea7a42a3ebadefd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a73890593efff11427ea7a42a3ebadefd"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a73890593efff11427ea7a42a3ebadefd">~QwtAbstractScale</a> ()</td></tr>
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<tr class="memdesc:a73890593efff11427ea7a42a3ebadefd"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="separator:a73890593efff11427ea7a42a3ebadefd"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae9640e814b5029d7dd79cb3ba752102b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#ae9640e814b5029d7dd79cb3ba752102b">setScale</a> (double <a class="el" href="class_qwt_abstract_scale.html#a093b44d00c18164c2814c3b999066dc7">lowerBound</a>, double <a class="el" href="class_qwt_abstract_scale.html#a3adb3785868bcadaf9046f82d10e7bda">upperBound</a>)</td></tr>
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<tr class="memdesc:ae9640e814b5029d7dd79cb3ba752102b"><td class="mdescLeft"> </td><td class="mdescRight">Specify a scale. <a href="#ae9640e814b5029d7dd79cb3ba752102b">More...</a><br /></td></tr>
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<tr class="separator:ae9640e814b5029d7dd79cb3ba752102b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab54877c80f0b00fdb6e4745448aee128"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#ab54877c80f0b00fdb6e4745448aee128">setScale</a> (const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &)</td></tr>
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<tr class="memdesc:ab54877c80f0b00fdb6e4745448aee128"><td class="mdescLeft"> </td><td class="mdescRight">Specify a scale. <a href="#ab54877c80f0b00fdb6e4745448aee128">More...</a><br /></td></tr>
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<tr class="separator:ab54877c80f0b00fdb6e4745448aee128"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad002e1a352ecf85c1a8595a138d42db7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#ad002e1a352ecf85c1a8595a138d42db7">setScale</a> (const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &)</td></tr>
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<tr class="memdesc:ad002e1a352ecf85c1a8595a138d42db7"><td class="mdescLeft"> </td><td class="mdescRight">Specify a scale. <a href="#ad002e1a352ecf85c1a8595a138d42db7">More...</a><br /></td></tr>
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<tr class="separator:ad002e1a352ecf85c1a8595a138d42db7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae0ec7f1528981f15d8ede6a78530f065"><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_abstract_scale.html#ae0ec7f1528981f15d8ede6a78530f065">scaleDiv</a> () const </td></tr>
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<tr class="separator:ae0ec7f1528981f15d8ede6a78530f065"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa1b73da4589370fc14fd2ef49b02d142"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#aa1b73da4589370fc14fd2ef49b02d142">setLowerBound</a> (double value)</td></tr>
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<tr class="separator:aa1b73da4589370fc14fd2ef49b02d142"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a093b44d00c18164c2814c3b999066dc7"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a093b44d00c18164c2814c3b999066dc7">lowerBound</a> () const </td></tr>
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<tr class="separator:a093b44d00c18164c2814c3b999066dc7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1b2ea5c97eb19ccd55ec83713ab675fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a1b2ea5c97eb19ccd55ec83713ab675fe">setUpperBound</a> (double value)</td></tr>
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<tr class="separator:a1b2ea5c97eb19ccd55ec83713ab675fe"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3adb3785868bcadaf9046f82d10e7bda"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a3adb3785868bcadaf9046f82d10e7bda">upperBound</a> () const </td></tr>
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<tr class="separator:a3adb3785868bcadaf9046f82d10e7bda"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aac745efd9414e529794e2189f7c535cb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#aac745efd9414e529794e2189f7c535cb">setScaleStepSize</a> (double stepSize)</td></tr>
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<tr class="memdesc:aac745efd9414e529794e2189f7c535cb"><td class="mdescLeft"> </td><td class="mdescRight">Set the step size used for calculating a scale division. <a href="#aac745efd9414e529794e2189f7c535cb">More...</a><br /></td></tr>
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<tr class="separator:aac745efd9414e529794e2189f7c535cb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad94ddd24f5f9742a577b19f9c6e00117"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#ad94ddd24f5f9742a577b19f9c6e00117">scaleStepSize</a> () const </td></tr>
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<tr class="separator:ad94ddd24f5f9742a577b19f9c6e00117"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a40fdb4572ad8fdec8b93766ff5f8eda8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a40fdb4572ad8fdec8b93766ff5f8eda8">setScaleMaxMajor</a> (int ticks)</td></tr>
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<tr class="memdesc:a40fdb4572ad8fdec8b93766ff5f8eda8"><td class="mdescLeft"> </td><td class="mdescRight">Set the maximum number of major tick intervals. <a href="#a40fdb4572ad8fdec8b93766ff5f8eda8">More...</a><br /></td></tr>
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<tr class="separator:a40fdb4572ad8fdec8b93766ff5f8eda8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5b23fafbb56bb43fd241c1839256357f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a5b23fafbb56bb43fd241c1839256357f">scaleMaxMinor</a> () const </td></tr>
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<tr class="separator:a5b23fafbb56bb43fd241c1839256357f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6520bb1e52571f865b21b3710786a4db"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a6520bb1e52571f865b21b3710786a4db">setScaleMaxMinor</a> (int ticks)</td></tr>
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<tr class="memdesc:a6520bb1e52571f865b21b3710786a4db"><td class="mdescLeft"> </td><td class="mdescRight">Set the maximum number of minor tick intervals. <a href="#a6520bb1e52571f865b21b3710786a4db">More...</a><br /></td></tr>
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<tr class="separator:a6520bb1e52571f865b21b3710786a4db"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4cfbcd9880297b1ca28fa824e3f4c3e6"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor</a> () const </td></tr>
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<tr class="separator:a4cfbcd9880297b1ca28fa824e3f4c3e6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa00f44140af3f2b7595cb6e23371198f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#aa00f44140af3f2b7595cb6e23371198f">setScaleEngine</a> (<a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a> *)</td></tr>
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<tr class="memdesc:aa00f44140af3f2b7595cb6e23371198f"><td class="mdescLeft"> </td><td class="mdescRight">Set a scale engine. <a href="#aa00f44140af3f2b7595cb6e23371198f">More...</a><br /></td></tr>
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<tr class="separator:aa00f44140af3f2b7595cb6e23371198f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5b8084cc735933ce9338fd2df1126f0e"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a5b8084cc735933ce9338fd2df1126f0e">scaleEngine</a> () const </td></tr>
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<tr class="memitem:aea3b9d4912f1c28671f232e4100936d7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#aea3b9d4912f1c28671f232e4100936d7">scaleEngine</a> ()</td></tr>
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<tr class="memitem:a59e9927b2e43f1db82af9fd1c774e36d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a59e9927b2e43f1db82af9fd1c774e36d">transform</a> (double) const </td></tr>
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<tr class="memitem:a7907d116b784dea443ba50c43113c053"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a7907d116b784dea443ba50c43113c053">invTransform</a> (int) const </td></tr>
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<tr class="memitem:a3d46b81ff8b0ace8cc5b64a4984a63f6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a3d46b81ff8b0ace8cc5b64a4984a63f6">isInverted</a> () const </td></tr>
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<tr class="memitem:ac71c042246a7bb684c1b41c0204b6f14"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#ac71c042246a7bb684c1b41c0204b6f14">minimum</a> () const </td></tr>
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<tr class="memitem:a92d1f793aa5dc3c18f96448d43bd255e"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a92d1f793aa5dc3c18f96448d43bd255e">maximum</a> () const </td></tr>
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<tr class="memitem:a68f120e12e373796b5d74199a9b8a4b0"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a68f120e12e373796b5d74199a9b8a4b0">scaleMap</a> () const </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:a647e6458305a0967077f4b1f03811c14"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a647e6458305a0967077f4b1f03811c14">rescale</a> (double <a class="el" href="class_qwt_abstract_scale.html#a093b44d00c18164c2814c3b999066dc7">lowerBound</a>, double <a class="el" href="class_qwt_abstract_scale.html#a3adb3785868bcadaf9046f82d10e7bda">upperBound</a>, double stepSize)</td></tr>
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<tr class="memitem:a950c5bf521dc704b78f76c7951346288"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a950c5bf521dc704b78f76c7951346288">setAbstractScaleDraw</a> (<a class="el" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> *)</td></tr>
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<tr class="memdesc:a950c5bf521dc704b78f76c7951346288"><td class="mdescLeft"> </td><td class="mdescRight">Set a scale draw. <a href="#a950c5bf521dc704b78f76c7951346288">More...</a><br /></td></tr>
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<tr class="memitem:ab3c5f30892792e5ca3d84f4409ef6216"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#ab3c5f30892792e5ca3d84f4409ef6216">abstractScaleDraw</a> () const </td></tr>
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<tr class="memitem:aa61afdff037ef745a6dad686537cdb96"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#aa61afdff037ef745a6dad686537cdb96">abstractScaleDraw</a> ()</td></tr>
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<tr class="memitem:a0dbb7bdc557c0a7b163643e41970ed6a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0dbb7bdc557c0a7b163643e41970ed6a"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_abstract_scale.html#a0dbb7bdc557c0a7b163643e41970ed6a">scaleChange</a> ()</td></tr>
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<tr class="memdesc:a0dbb7bdc557c0a7b163643e41970ed6a"><td class="mdescLeft"> </td><td class="mdescRight">Notify changed scale. <br /></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>An abstract base class for widgets having a scale. </p>
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<p>The scale of an <a class="el" href="class_qwt_abstract_scale.html" title="An abstract base class for widgets having a scale. ">QwtAbstractScale</a> is determined by a <a class="el" href="class_qwt_scale_div.html" title="A class representing a scale division. ">QwtScaleDiv</a> definition, that contains the boundaries and the ticks of the scale. The scale is painted using a <a class="el" href="class_qwt_scale_draw.html" title="A class for drawing scales. ">QwtScaleDraw</a> object.</p>
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<p>The scale division might be assigned explicitly - but usually it is calculated from the boundaries using a <a class="el" href="class_qwt_scale_engine.html" title="Base class for scale engines. ">QwtScaleEngine</a>.</p>
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<p>The scale engine also decides the type of transformation of the scale ( linear, logarithmic ... ). </p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">QwtAbstractScale::QwtAbstractScale </td>
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<td>(</td>
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<td class="paramtype">QWidget * </td>
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<td class="paramname"><em>parent</em> = <code>NULL</code></td><td>)</td>
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<p>Constructor</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">parent</td><td>Parent widget</td></tr>
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<p>Creates a default <a class="el" href="class_qwt_scale_draw.html" title="A class for drawing scales. ">QwtScaleDraw</a> and a <a class="el" href="class_qwt_linear_scale_engine.html" title="A scale engine for linear scales. ">QwtLinearScaleEngine</a>. The initial scale boundaries are set to [ 0.0, 100.0 ]</p>
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<p>The <a class="el" href="class_qwt_abstract_scale.html#ad94ddd24f5f9742a577b19f9c6e00117">scaleStepSize()</a> is initialized to 0.0, <a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a> to 5 and scaleMaxMajor to 3. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">const <a class="el" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> * QwtAbstractScale::abstractScaleDraw </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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<dl class="section return"><dt>Returns</dt><dd>Scale draw </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a950c5bf521dc704b78f76c7951346288" title="Set a scale draw. ">setAbstractScaleDraw()</a> </dd></dl>
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<td class="memname"><a class="el" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> * QwtAbstractScale::abstractScaleDraw </td>
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<td>(</td>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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<dl class="section return"><dt>Returns</dt><dd>Scale draw </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a950c5bf521dc704b78f76c7951346288" title="Set a scale draw. ">setAbstractScaleDraw()</a> </dd></dl>
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<td class="memname">double QwtAbstractScale::invTransform </td>
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<td>(</td>
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<td class="paramname"><em>value</em></td><td>)</td>
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<p>Translate a widget coordinate into a scale value</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">value</td><td>Widget coordinate </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Corresponding scale coordinate for value </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a68f120e12e373796b5d74199a9b8a4b0">scaleMap()</a>, <a class="el" href="class_qwt_abstract_scale.html#a59e9927b2e43f1db82af9fd1c774e36d">transform()</a> </dd></dl>
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<td class="memname">bool QwtAbstractScale::isInverted </td>
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<td>(</td>
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<dl class="section return"><dt>Returns</dt><dd>True, when the scale is increasing in opposite direction to the widget coordinates </dd></dl>
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<td class="memname">double QwtAbstractScale::lowerBound </td>
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<dl class="section return"><dt>Returns</dt><dd>Lower bound of the scale </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#aa1b73da4589370fc14fd2ef49b02d142">setLowerBound()</a>, <a class="el" href="class_qwt_abstract_scale.html#ae9640e814b5029d7dd79cb3ba752102b" title="Specify a scale. ">setScale()</a>, <a class="el" href="class_qwt_abstract_scale.html#a3adb3785868bcadaf9046f82d10e7bda">upperBound()</a> </dd></dl>
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<td class="memname">double QwtAbstractScale::maximum </td>
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<dl class="section return"><dt>Returns</dt><dd>The boundary with the larger value </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#ac71c042246a7bb684c1b41c0204b6f14">minimum()</a>, <a class="el" href="class_qwt_abstract_scale.html#a093b44d00c18164c2814c3b999066dc7">lowerBound()</a>, <a class="el" href="class_qwt_abstract_scale.html#a3adb3785868bcadaf9046f82d10e7bda">upperBound()</a> </dd></dl>
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<td class="memname">double QwtAbstractScale::minimum </td>
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<dl class="section return"><dt>Returns</dt><dd>The boundary with the smaller value </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a92d1f793aa5dc3c18f96448d43bd255e">maximum()</a>, <a class="el" href="class_qwt_abstract_scale.html#a093b44d00c18164c2814c3b999066dc7">lowerBound()</a>, <a class="el" href="class_qwt_abstract_scale.html#a3adb3785868bcadaf9046f82d10e7bda">upperBound()</a> </dd></dl>
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<td class="memname">void QwtAbstractScale::rescale </td>
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<td>(</td>
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<p>Recalculate the scale division and update the scale.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">lowerBound</td><td>Lower limit of the scale interval </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a0dbb7bdc557c0a7b163643e41970ed6a" title="Notify changed scale. ">scaleChange()</a> </dd></dl>
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<td class="memname">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & QwtAbstractScale::scaleDiv </td>
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<dl class="section return"><dt>Returns</dt><dd>Scale boundaries and positions of the ticks</dd></dl>
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<p>The scale division might have been assigned explicitly or calculated implicitly by <a class="el" href="class_qwt_abstract_scale.html#a647e6458305a0967077f4b1f03811c14">rescale()</a>. </p>
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<td class="memname">const <a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a> * QwtAbstractScale::scaleEngine </td>
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<dl class="section return"><dt>Returns</dt><dd>Scale engine </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#aa00f44140af3f2b7595cb6e23371198f" title="Set a scale engine. ">setScaleEngine()</a> </dd></dl>
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<td class="memname"><a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a> * QwtAbstractScale::scaleEngine </td>
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<dl class="section return"><dt>Returns</dt><dd>Scale engine </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#aa00f44140af3f2b7595cb6e23371198f" title="Set a scale engine. ">setScaleEngine()</a> </dd></dl>
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<td class="memname">const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> & QwtAbstractScale::scaleMap </td>
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<dl class="section return"><dt>Returns</dt><dd>Map to translate between scale and widget coordinates </dd></dl>
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<td class="memname">int QwtAbstractScale::scaleMaxMajor </td>
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</div><div class="memdoc">
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<dl class="section return"><dt>Returns</dt><dd>Maximal number of major tick intervals </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a40fdb4572ad8fdec8b93766ff5f8eda8" title="Set the maximum number of major tick intervals. ">setScaleMaxMajor()</a>, <a class="el" href="class_qwt_abstract_scale.html#a5b23fafbb56bb43fd241c1839256357f">scaleMaxMinor()</a> </dd></dl>
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<td class="memname">int QwtAbstractScale::scaleMaxMinor </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Maximal number of minor tick intervals </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a6520bb1e52571f865b21b3710786a4db" title="Set the maximum number of minor tick intervals. ">setScaleMaxMinor()</a>, <a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a> </dd></dl>
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<a class="anchor" id="ad94ddd24f5f9742a577b19f9c6e00117"></a>
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<td class="memname">double QwtAbstractScale::scaleStepSize </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>Hint for the step size of the scale </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#aac745efd9414e529794e2189f7c535cb" title="Set the step size used for calculating a scale division. ">setScaleStepSize()</a>, <a class="el" href="class_qwt_scale_engine.html#a797eeaa8a7a23503583b5fa5a583cd28" title="Calculate a scale division. ">QwtScaleEngine::divideScale()</a> </dd></dl>
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<td class="mlabels-left">
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<td class="memname">void QwtAbstractScale::setAbstractScaleDraw </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> * </td>
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<td class="paramname"><em>scaleDraw</em></td><td>)</td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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<p>Set a scale draw. </p>
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<p>scaleDraw has to be created with new and will be deleted in the destructor or the next call of <a class="el" href="class_qwt_abstract_scale.html#a950c5bf521dc704b78f76c7951346288" title="Set a scale draw. ">setAbstractScaleDraw()</a>.</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#aa61afdff037ef745a6dad686537cdb96">abstractScaleDraw()</a> </dd></dl>
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<td class="memname">void QwtAbstractScale::setLowerBound </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>value</em></td><td>)</td>
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<p>Set the lower bound of the scale</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">value</td><td>Lower bound</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a093b44d00c18164c2814c3b999066dc7">lowerBound()</a>, <a class="el" href="class_qwt_abstract_scale.html#ae9640e814b5029d7dd79cb3ba752102b" title="Specify a scale. ">setScale()</a>, <a class="el" href="class_qwt_abstract_scale.html#a1b2ea5c97eb19ccd55ec83713ab675fe">setUpperBound()</a> </dd></dl>
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<dl class="section note"><dt>Note</dt><dd>For inverted scales the lower bound is greater than the upper bound </dd></dl>
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<td class="memname">void QwtAbstractScale::setScale </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>lowerBound</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>upperBound</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Specify a scale. </p>
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<p>Define a scale by an interval</p>
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<p>The ticks are calculated using <a class="el" href="class_qwt_abstract_scale.html#a5b23fafbb56bb43fd241c1839256357f">scaleMaxMinor()</a>, <a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a> and <a class="el" href="class_qwt_abstract_scale.html#ad94ddd24f5f9742a577b19f9c6e00117">scaleStepSize()</a>.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">lowerBound</td><td>lower limit of the scale interval </td></tr>
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<tr><td class="paramname">upperBound</td><td>upper limit of the scale interval</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd>For inverted scales the lower bound is greater than the upper bound </dd></dl>
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<td class="memname">void QwtAbstractScale::setScale </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="class_qwt_interval.html">QwtInterval</a> & </td>
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<td class="paramname"><em>interval</em></td><td>)</td>
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<p>Specify a scale. </p>
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<p>Define a scale by an interval</p>
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<p>The ticks are calculated using <a class="el" href="class_qwt_abstract_scale.html#a5b23fafbb56bb43fd241c1839256357f">scaleMaxMinor()</a>, <a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a> and <a class="el" href="class_qwt_abstract_scale.html#ad94ddd24f5f9742a577b19f9c6e00117">scaleStepSize()</a>.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">interval</td><td>Interval </td></tr>
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</dd>
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<td class="memname">void QwtAbstractScale::setScale </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & </td>
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<td class="paramname"><em>scaleDiv</em></td><td>)</td>
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<p>Specify a scale. </p>
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<p><a class="el" href="class_qwt_abstract_scale.html#a5b23fafbb56bb43fd241c1839256357f">scaleMaxMinor()</a>, <a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a> and <a class="el" href="class_qwt_abstract_scale.html#ad94ddd24f5f9742a577b19f9c6e00117">scaleStepSize()</a> and have no effect.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">scaleDiv</td><td>Scale division </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd>setAutoScale() </dd></dl>
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<td class="memname">void QwtAbstractScale::setScaleEngine </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_scale_engine.html">QwtScaleEngine</a> * </td>
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<td class="paramname"><em>scaleEngine</em></td><td>)</td>
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<td></td>
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<p>Set a scale engine. </p>
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<p>The scale engine is responsible for calculating the scale division and provides a transformation between scale and widget coordinates.</p>
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<p>scaleEngine has to be created with new and will be deleted in the destructor or the next call of setScaleEngine. </p>
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<td class="memname">void QwtAbstractScale::setScaleMaxMajor </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>ticks</em></td><td>)</td>
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<td></td>
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<p>Set the maximum number of major tick intervals. </p>
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<p>The scale's major ticks are calculated automatically such that the number of major intervals does not exceed ticks.</p>
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<p>The default value is 5.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">ticks</td><td>Maximal number of major ticks.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a>, <a class="el" href="class_qwt_abstract_scale.html#a6520bb1e52571f865b21b3710786a4db" title="Set the maximum number of minor tick intervals. ">setScaleMaxMinor()</a>, <a class="el" href="class_qwt_abstract_scale.html#aac745efd9414e529794e2189f7c535cb" title="Set the step size used for calculating a scale division. ">setScaleStepSize()</a>, <a class="el" href="class_qwt_scale_engine.html#aff30158c5ccfee78f4c3e01c0fb5f4de">QwtScaleEngine::divideInterval()</a> </dd></dl>
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<td class="memname">void QwtAbstractScale::setScaleMaxMinor </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>ticks</em></td><td>)</td>
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<p>Set the maximum number of minor tick intervals. </p>
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<p>The scale's minor ticks are calculated automatically such that the number of minor intervals does not exceed ticks. The default value is 3.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">ticks</td><td>Maximal number of minor ticks.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a>, <a class="el" href="class_qwt_abstract_scale.html#a6520bb1e52571f865b21b3710786a4db" title="Set the maximum number of minor tick intervals. ">setScaleMaxMinor()</a>, <a class="el" href="class_qwt_abstract_scale.html#aac745efd9414e529794e2189f7c535cb" title="Set the step size used for calculating a scale division. ">setScaleStepSize()</a>, <a class="el" href="class_qwt_scale_engine.html#aff30158c5ccfee78f4c3e01c0fb5f4de">QwtScaleEngine::divideInterval()</a> </dd></dl>
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<td class="memname">void QwtAbstractScale::setScaleStepSize </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>stepSize</em></td><td>)</td>
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<td></td>
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<p>Set the step size used for calculating a scale division. </p>
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<p>The step size is hint for calculating the intervals for the major ticks of the scale. A value of 0.0 is interpreted as no hint.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">stepSize</td><td>Hint for the step size of the scale</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#ad94ddd24f5f9742a577b19f9c6e00117">scaleStepSize()</a>, <a class="el" href="class_qwt_scale_engine.html#a797eeaa8a7a23503583b5fa5a583cd28" title="Calculate a scale division. ">QwtScaleEngine::divideScale()</a></dd></dl>
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<dl class="section note"><dt>Note</dt><dd>Position and distance between the major ticks also depends on <a class="el" href="class_qwt_abstract_scale.html#a4cfbcd9880297b1ca28fa824e3f4c3e6">scaleMaxMajor()</a>. </dd></dl>
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<td class="memname">void QwtAbstractScale::setUpperBound </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>value</em></td><td>)</td>
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<p>Set the upper bound of the scale</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">value</td><td>Upper bound</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a3adb3785868bcadaf9046f82d10e7bda">upperBound()</a>, <a class="el" href="class_qwt_abstract_scale.html#ae9640e814b5029d7dd79cb3ba752102b" title="Specify a scale. ">setScale()</a>, <a class="el" href="class_qwt_abstract_scale.html#aa1b73da4589370fc14fd2ef49b02d142">setLowerBound()</a> </dd></dl>
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<dl class="section note"><dt>Note</dt><dd>For inverted scales the lower bound is greater than the upper bound </dd></dl>
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<td class="memname">int QwtAbstractScale::transform </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>value</em></td><td>)</td>
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<td> const</td>
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<p>Translate a scale value into a widget coordinate</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">value</td><td>Scale value </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Corresponding widget coordinate for value </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a68f120e12e373796b5d74199a9b8a4b0">scaleMap()</a>, <a class="el" href="class_qwt_abstract_scale.html#a7907d116b784dea443ba50c43113c053">invTransform()</a> </dd></dl>
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<td class="memname">double QwtAbstractScale::upperBound </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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</div><div class="memdoc">
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<dl class="section return"><dt>Returns</dt><dd>Upper bound of the scale </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_abstract_scale.html#a1b2ea5c97eb19ccd55ec83713ab675fe">setUpperBound()</a>, <a class="el" href="class_qwt_abstract_scale.html#ae9640e814b5029d7dd79cb3ba752102b" title="Specify a scale. ">setScale()</a>, <a class="el" href="class_qwt_abstract_scale.html#a093b44d00c18164c2814c3b999066dc7">lowerBound()</a> </dd></dl>
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