1251 lines
75 KiB
HTML
1251 lines
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 <span id="projectnumber">6.2.0</span>
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<a href="#pub-types">Public Types</a> |
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<div class="title">QwtPolarItem Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Base class for items on a polar plot.
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<a href="class_qwt_polar_item.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="qwt__polar__item_8h_source.html">qwt_polar_item.h</a>></code></p>
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<div class="dynheader">
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Inheritance diagram for QwtPolarItem:</div>
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</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:a6c03d774c1d089ec8603dd37879a9f4d"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4d">RttiValues</a> { <br />
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  <a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4dafcfda7285dc39cce71850cc5a77ada5f">Rtti_PolarItem</a> = 0
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, <a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4dac340359909c847d927c733a01b439fb2">Rtti_PolarGrid</a>
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, <a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4dab10c6fd2f1f1e9fa05eeb00100fe45c6">Rtti_PolarMarker</a>
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, <a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4dad2b363a80ab5fde478a4fa996908d685">Rtti_PolarCurve</a>
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, <br />
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  <a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4dad95b3f4515ee8f2058c633a5d2367427">Rtti_PolarSpectrogram</a>
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, <a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4da6bfd70526ffc398e3d1a3e184d73428d">Rtti_PolarUserItem</a> = 1000
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<br />
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}</td></tr>
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<tr class="memdesc:a6c03d774c1d089ec8603dd37879a9f4d"><td class="mdescLeft"> </td><td class="mdescRight">Runtime type information. <a href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4d">More...</a><br /></td></tr>
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<tr class="separator:a6c03d774c1d089ec8603dd37879a9f4d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3dfa4f39bc1ac99b0371b4938abe6ad6"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a> { <a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6a6f900569b4e72f925ea64bed4d149d5e">Legend</a> = 0x01
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, <a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6a7f9ee77f4ec3170c4c7255bf4bd4399c">AutoScale</a> = 0x02
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}</td></tr>
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<tr class="memdesc:a3dfa4f39bc1ac99b0371b4938abe6ad6"><td class="mdescLeft"> </td><td class="mdescRight">Plot Item Attributes. <a href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">More...</a><br /></td></tr>
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<tr class="separator:a3dfa4f39bc1ac99b0371b4938abe6ad6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aafc969899461b4fb481396cd347614ed"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a> { <a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614edaeb386d24afe0bb558475d66d794f865f">RenderAntialiased</a> = 0x01
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}</td></tr>
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<tr class="memdesc:aafc969899461b4fb481396cd347614ed"><td class="mdescLeft"> </td><td class="mdescRight">Render hints. <a href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">More...</a><br /></td></tr>
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<tr class="separator:aafc969899461b4fb481396cd347614ed"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5e78456060d0d49fbae38c802bc0449c"><td class="memItemLeft" align="right" valign="top">typedef QFlags< <a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a5e78456060d0d49fbae38c802bc0449c">ItemAttributes</a></td></tr>
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<tr class="separator:a5e78456060d0d49fbae38c802bc0449c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a88f4cdb70b466e1e7163538b8df9c85f"><td class="memItemLeft" align="right" valign="top">typedef QFlags< <a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a88f4cdb70b466e1e7163538b8df9c85f">RenderHints</a></td></tr>
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<tr class="separator:a88f4cdb70b466e1e7163538b8df9c85f"><td class="memSeparator" colspan="2"> </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="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a22fdc73eb7e217a1ebedc6efdeff3617"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a22fdc73eb7e217a1ebedc6efdeff3617">QwtPolarItem</a> (const <a class="el" href="class_qwt_text.html">QwtText</a> &<a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title</a>=<a class="el" href="class_qwt_text.html">QwtText</a>())</td></tr>
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<tr class="separator:a22fdc73eb7e217a1ebedc6efdeff3617"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a84d84ea11f052f58b9e2dd82b0fbddde"><td class="memItemLeft" align="right" valign="top"><a id="a84d84ea11f052f58b9e2dd82b0fbddde"></a>
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virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a84d84ea11f052f58b9e2dd82b0fbddde">~QwtPolarItem</a> ()</td></tr>
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<tr class="memdesc:a84d84ea11f052f58b9e2dd82b0fbddde"><td class="mdescLeft"> </td><td class="mdescRight">Destroy the <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a>. <br /></td></tr>
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<tr class="separator:a84d84ea11f052f58b9e2dd82b0fbddde"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9139f1fafbb5c196bed65495af18021d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a9139f1fafbb5c196bed65495af18021d">attach</a> (<a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> *<a class="el" href="class_qwt_polar_item.html#a803b53442760b19a533e1026bf299f9d">plot</a>)</td></tr>
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<tr class="memdesc:a9139f1fafbb5c196bed65495af18021d"><td class="mdescLeft"> </td><td class="mdescRight">Attach the item to a plot. <a href="class_qwt_polar_item.html#a9139f1fafbb5c196bed65495af18021d">More...</a><br /></td></tr>
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<tr class="separator:a9139f1fafbb5c196bed65495af18021d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a287c3b95d98ff6fccf41efdad547f9fc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a287c3b95d98ff6fccf41efdad547f9fc">detach</a> ()</td></tr>
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<tr class="memdesc:a287c3b95d98ff6fccf41efdad547f9fc"><td class="mdescLeft"> </td><td class="mdescRight">This method detaches a <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a> from the <a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> it has been associated with. <a href="class_qwt_polar_item.html#a287c3b95d98ff6fccf41efdad547f9fc">More...</a><br /></td></tr>
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<tr class="separator:a287c3b95d98ff6fccf41efdad547f9fc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a803b53442760b19a533e1026bf299f9d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a803b53442760b19a533e1026bf299f9d">plot</a> () const</td></tr>
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<tr class="memitem:a5d4a9c3d2e56d0240f29ba096c70f882"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a5d4a9c3d2e56d0240f29ba096c70f882">setTitle</a> (const QString &<a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title</a>)</td></tr>
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<tr class="memitem:a75b5cb02ab578e37718ce563fee6004d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a75b5cb02ab578e37718ce563fee6004d">setTitle</a> (const <a class="el" href="class_qwt_text.html">QwtText</a> &<a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title</a>)</td></tr>
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<tr class="memitem:a5d63cac0d1d704149cab14eaa15cc28f"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_text.html">QwtText</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title</a> () const</td></tr>
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<tr class="memitem:af98ff690ffccd9c7d8af52f456014c1e"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#af98ff690ffccd9c7d8af52f456014c1e">rtti</a> () const</td></tr>
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<tr class="memitem:aa5222a54ed4578061f6af398a289ab0e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#aa5222a54ed4578061f6af398a289ab0e">setItemAttribute</a> (<a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a>, bool on=true)</td></tr>
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<tr class="memitem:a01db5fa1da8bcf85725de600081ca06f"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a01db5fa1da8bcf85725de600081ca06f">testItemAttribute</a> (<a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a>) const</td></tr>
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<tr class="memitem:acaa87e47f7a3d307f138bbce2dae7095"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#acaa87e47f7a3d307f138bbce2dae7095">setRenderHint</a> (<a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a>, bool on=true)</td></tr>
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<tr class="memitem:a63ef394b277bf35dd4343b5ac68cf641"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a63ef394b277bf35dd4343b5ac68cf641">testRenderHint</a> (<a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a>) const</td></tr>
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<tr class="memitem:a3349eafd69c1e0249be71953b2551ff5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a3349eafd69c1e0249be71953b2551ff5">setRenderThreadCount</a> (uint numThreads)</td></tr>
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<tr class="memitem:aa3d0e4373d1108f819bddc36e070c746"><td class="memItemLeft" align="right" valign="top">uint </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#aa3d0e4373d1108f819bddc36e070c746">renderThreadCount</a> () const</td></tr>
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<tr class="memitem:a44b930c94007de9690ef9bcf10d4107b"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a44b930c94007de9690ef9bcf10d4107b">z</a> () const</td></tr>
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<tr class="memitem:acef8efd945a194b70a11ad39060de917"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#acef8efd945a194b70a11ad39060de917">setZ</a> (double <a class="el" href="class_qwt_polar_item.html#a44b930c94007de9690ef9bcf10d4107b">z</a>)</td></tr>
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<tr class="memdesc:acef8efd945a194b70a11ad39060de917"><td class="mdescLeft"> </td><td class="mdescRight">Set the z value. <a href="class_qwt_polar_item.html#acef8efd945a194b70a11ad39060de917">More...</a><br /></td></tr>
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<tr class="separator:acef8efd945a194b70a11ad39060de917"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:abc6bba0128e8b9ce0a722640ca8a3e53"><td class="memItemLeft" align="right" valign="top"><a id="abc6bba0128e8b9ce0a722640ca8a3e53"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#abc6bba0128e8b9ce0a722640ca8a3e53">show</a> ()</td></tr>
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<tr class="memdesc:abc6bba0128e8b9ce0a722640ca8a3e53"><td class="mdescLeft"> </td><td class="mdescRight">Show the item. <br /></td></tr>
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<tr class="separator:abc6bba0128e8b9ce0a722640ca8a3e53"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7160d323c3f0326d451ee71a636b60c4"><td class="memItemLeft" align="right" valign="top"><a id="a7160d323c3f0326d451ee71a636b60c4"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a7160d323c3f0326d451ee71a636b60c4">hide</a> ()</td></tr>
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<tr class="memdesc:a7160d323c3f0326d451ee71a636b60c4"><td class="mdescLeft"> </td><td class="mdescRight">Hide the item. <br /></td></tr>
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<tr class="separator:a7160d323c3f0326d451ee71a636b60c4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a75f908fc0ee164fdd3bb50436c1d90df"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a75f908fc0ee164fdd3bb50436c1d90df">setVisible</a> (bool)</td></tr>
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<tr class="separator:a75f908fc0ee164fdd3bb50436c1d90df"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2417cb6a3282a1f406da00e1d8608146"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a2417cb6a3282a1f406da00e1d8608146">isVisible</a> () const</td></tr>
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<tr class="separator:a2417cb6a3282a1f406da00e1d8608146"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0fa7263683e0982892162174328a55c1"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a0fa7263683e0982892162174328a55c1">itemChanged</a> ()</td></tr>
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<tr class="memitem:ac0e8b4bed9e819210271bdde3de58d3d"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#ac0e8b4bed9e819210271bdde3de58d3d">legendChanged</a> ()</td></tr>
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<tr class="memitem:a0493eb028a85753735073754be269e4d"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a0493eb028a85753735073754be269e4d">draw</a> (QPainter *painter, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &azimuthMap, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &radialMap, const QPointF &pole, double radius, const QRectF &canvasRect) const =0</td></tr>
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<tr class="memdesc:a0493eb028a85753735073754be269e4d"><td class="mdescLeft"> </td><td class="mdescRight">Draw the item. <a href="class_qwt_polar_item.html#a0493eb028a85753735073754be269e4d">More...</a><br /></td></tr>
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<tr class="memitem:a074117c0a19a249e83aca1f9b9291cb5"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_interval.html">QwtInterval</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a074117c0a19a249e83aca1f9b9291cb5">boundingInterval</a> (int scaleId) const</td></tr>
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<tr class="memitem:a459d264543f40e9a41de90bc486b0f1f"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a459d264543f40e9a41de90bc486b0f1f">updateScaleDiv</a> (const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &, const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &, const <a class="el" href="class_qwt_interval.html">QwtInterval</a> &)</td></tr>
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<tr class="memdesc:a459d264543f40e9a41de90bc486b0f1f"><td class="mdescLeft"> </td><td class="mdescRight">Update the item to changes of the axes scale division. <a href="class_qwt_polar_item.html#a459d264543f40e9a41de90bc486b0f1f">More...</a><br /></td></tr>
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<tr class="memitem:a86e899b76f4682bdb791eca7e145e2bd"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a86e899b76f4682bdb791eca7e145e2bd">marginHint</a> () const</td></tr>
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<tr class="memitem:a216fd1f5572147494ce794933ca41f60"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a216fd1f5572147494ce794933ca41f60">setLegendIconSize</a> (const QSize &)</td></tr>
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<tr class="memitem:a0d58642e90028668d7f601e65662c922"><td class="memItemLeft" align="right" valign="top">QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a0d58642e90028668d7f601e65662c922">legendIconSize</a> () const</td></tr>
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<tr class="memitem:a592d121b6d79db13161b18a138f13e70"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_q_list.html">QList</a>< <a class="el" href="class_qwt_legend_data.html">QwtLegendData</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a592d121b6d79db13161b18a138f13e70">legendData</a> () const</td></tr>
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<tr class="memdesc:a592d121b6d79db13161b18a138f13e70"><td class="mdescLeft"> </td><td class="mdescRight">Return all information, that is needed to represent the item on the legend. <a href="class_qwt_polar_item.html#a592d121b6d79db13161b18a138f13e70">More...</a><br /></td></tr>
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<tr class="separator:a592d121b6d79db13161b18a138f13e70"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a971930cdc6c7d750634c9ae07f01a5e2"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_graphic.html">QwtGraphic</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_item.html#a971930cdc6c7d750634c9ae07f01a5e2">legendIcon</a> (int index, const QSizeF &) const</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>Base class for items on a polar plot. </p>
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<p>A <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a> is "something that can be painted on the canvas". It is connected to the QwtPolar framework by a couple of virtual methods, that are individually implemented in derived item classes.</p>
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<p>QwtPolar offers an implementation of the most common types of items, but deriving from <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a> makes it easy to implement additional types of items. </p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8h_source.html#l00037">37</a> of file <a class="el" href="qwt__polar__item_8h_source.html">qwt_polar_item.h</a>.</p>
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</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<a id="a5e78456060d0d49fbae38c802bc0449c"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a5e78456060d0d49fbae38c802bc0449c">◆ </a></span>ItemAttributes</h2>
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<td class="memname">typedef QFlags<<a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a> > <a class="el" href="class_qwt_polar_item.html#a5e78456060d0d49fbae38c802bc0449c">QwtPolarItem::ItemAttributes</a></td>
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</div><div class="memdoc">
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<p>An ORed combination of <a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a> values. </p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8h_source.html#l00086">86</a> of file <a class="el" href="qwt__polar__item_8h_source.html">qwt_polar_item.h</a>.</p>
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<a id="a88f4cdb70b466e1e7163538b8df9c85f"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a88f4cdb70b466e1e7163538b8df9c85f">◆ </a></span>RenderHints</h2>
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<td class="memname">typedef QFlags<<a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a> > <a class="el" href="class_qwt_polar_item.html#a88f4cdb70b466e1e7163538b8df9c85f">QwtPolarItem::RenderHints</a></td>
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</div><div class="memdoc">
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<p>An ORed combination of <a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a> values. </p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8h_source.html#l00098">98</a> of file <a class="el" href="qwt__polar__item_8h_source.html">qwt_polar_item.h</a>.</p>
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</div>
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<h2 class="groupheader">Member Enumeration Documentation</h2>
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<a id="a3dfa4f39bc1ac99b0371b4938abe6ad6"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a3dfa4f39bc1ac99b0371b4938abe6ad6">◆ </a></span>ItemAttribute</h2>
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<td class="memname">enum <a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">QwtPolarItem::ItemAttribute</a></td>
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<p>Plot Item Attributes. </p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#aa5222a54ed4578061f6af398a289ab0e">setItemAttribute()</a>, <a class="el" href="class_qwt_polar_item.html#a01db5fa1da8bcf85725de600081ca06f">testItemAttribute()</a> </dd></dl>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a3dfa4f39bc1ac99b0371b4938abe6ad6a6f900569b4e72f925ea64bed4d149d5e"></a>Legend </td><td class="fielddoc"><p>The item is represented on the legend. </p>
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</td></tr>
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<tr><td class="fieldname"><a id="a3dfa4f39bc1ac99b0371b4938abe6ad6a7f9ee77f4ec3170c4c7255bf4bd4399c"></a>AutoScale </td><td class="fielddoc"><p>The boundingRect() of the item is included in the autoscaling calculation. </p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8h_source.html#l00074">74</a> of file <a class="el" href="qwt__polar__item_8h_source.html">qwt_polar_item.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aafc969899461b4fb481396cd347614ed">◆ </a></span>RenderHint</h2>
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<td class="memname">enum <a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">QwtPolarItem::RenderHint</a></td>
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<p>Render hints. </p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#acaa87e47f7a3d307f138bbce2dae7095">setRenderHint()</a>, <a class="el" href="class_qwt_polar_item.html#a63ef394b277bf35dd4343b5ac68cf641">testRenderHint()</a> </dd></dl>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="aafc969899461b4fb481396cd347614edaeb386d24afe0bb558475d66d794f865f"></a>RenderAntialiased </td><td class="fielddoc"><p>Enable antialiasing. </p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8h_source.html#l00092">92</a> of file <a class="el" href="qwt__polar__item_8h_source.html">qwt_polar_item.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c03d774c1d089ec8603dd37879a9f4d">◆ </a></span>RttiValues</h2>
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<td class="memname">enum <a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4d">QwtPolarItem::RttiValues</a></td>
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<p>Runtime type information. </p>
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<p>RttiValues is used to cast plot items, without having to enable runtime type information of the compiler. </p>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a6c03d774c1d089ec8603dd37879a9f4dafcfda7285dc39cce71850cc5a77ada5f"></a>Rtti_PolarItem </td><td class="fielddoc"><p>Unspecific value, that can be used, when it doesn't matter. </p>
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<tr><td class="fieldname"><a id="a6c03d774c1d089ec8603dd37879a9f4dac340359909c847d927c733a01b439fb2"></a>Rtti_PolarGrid </td><td class="fielddoc"><p>For <a class="el" href="class_qwt_polar_grid.html" title="An item which draws scales and grid lines on a polar plot.">QwtPolarGrid</a>. </p>
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<tr><td class="fieldname"><a id="a6c03d774c1d089ec8603dd37879a9f4dab10c6fd2f1f1e9fa05eeb00100fe45c6"></a>Rtti_PolarMarker </td><td class="fielddoc"><p>For <a class="el" href="class_qwt_polar_marker.html" title="A class for drawing markers.">QwtPolarMarker</a>. </p>
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<tr><td class="fieldname"><a id="a6c03d774c1d089ec8603dd37879a9f4dad2b363a80ab5fde478a4fa996908d685"></a>Rtti_PolarCurve </td><td class="fielddoc"><p>For <a class="el" href="class_qwt_polar_curve.html" title="An item, that represents a series of points.">QwtPolarCurve</a>. </p>
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<tr><td class="fieldname"><a id="a6c03d774c1d089ec8603dd37879a9f4dad95b3f4515ee8f2058c633a5d2367427"></a>Rtti_PolarSpectrogram </td><td class="fielddoc"><p>For <a class="el" href="class_qwt_polar_spectrogram.html" title="An item, which displays a spectrogram.">QwtPolarSpectrogram</a>. </p>
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<tr><td class="fieldname"><a id="a6c03d774c1d089ec8603dd37879a9f4da6bfd70526ffc398e3d1a3e184d73428d"></a>Rtti_PolarUserItem </td><td class="fielddoc"><p>Values >= Rtti_PolarUserItem are reserved for plot items not implemented in the QwtPolar library. </p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8h_source.html#l00046">46</a> of file <a class="el" href="qwt__polar__item_8h_source.html">qwt_polar_item.h</a>.</p>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a22fdc73eb7e217a1ebedc6efdeff3617"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a22fdc73eb7e217a1ebedc6efdeff3617">◆ </a></span>QwtPolarItem()</h2>
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<td class="memname">QwtPolarItem::QwtPolarItem </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="class_qwt_text.html">QwtText</a> & </td>
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<td class="paramname"><em>title</em> = <code><a class="el" href="class_qwt_text.html">QwtText</a>()</code></td><td>)</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Constructor</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">title</td><td>Item title, f.e used on a legend</td></tr>
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</dd>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a5d4a9c3d2e56d0240f29ba096c70f882">setTitle()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00048">48</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a9139f1fafbb5c196bed65495af18021d">◆ </a></span>attach()</h2>
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<td class="memname">void QwtPolarItem::attach </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * </td>
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<p>Attach the item to a plot. </p>
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<p>This method will attach a <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a> to the <a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> argument. It will first detach the <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a> from any plot from a previous call to attach (if necessary). If a NULL argument is passed, it will detach from any <a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> it was attached to.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a287c3b95d98ff6fccf41efdad547f9fc" title="This method detaches a QwtPolarItem from the QwtPolarPlot it has been associated with.">QwtPolarItem::detach()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00074">74</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a074117c0a19a249e83aca1f9b9291cb5">◆ </a></span>boundingInterval()</h2>
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<td class="memname"><a class="el" href="class_qwt_interval.html">QwtInterval</a> QwtPolarItem::boundingInterval </td>
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<p>Interval, that is necessary to display the item</p>
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<p>This interval can be useful for operations like clipping or autoscaling For items ( like the grid ), where a bounding interval makes no sense an invalid interval is returned.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>Bounding interval of the plot item for a specific scale </dd></dl>
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<p>Reimplemented in <a class="el" href="class_qwt_polar_spectrogram.html#aeb3e2a6df2960c06d104fe3b80ca39be">QwtPolarSpectrogram</a>, <a class="el" href="class_qwt_polar_marker.html#a2e8e72cdea5256ecfb3d0ef0a352f7ff">QwtPolarMarker</a>, and <a class="el" href="class_qwt_polar_curve.html#a056644fdb21821e9b37dfdef1c98614d">QwtPolarCurve</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00381">381</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a287c3b95d98ff6fccf41efdad547f9fc">◆ </a></span>detach()</h2>
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<td class="memname">void QwtPolarItem::detach </td>
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<p>This method detaches a <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a> from the <a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> it has been associated with. </p>
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<p><a class="el" href="class_qwt_polar_item.html#a287c3b95d98ff6fccf41efdad547f9fc" title="This method detaches a QwtPolarItem from the QwtPolarPlot it has been associated with.">detach()</a> is equivalent to calling attach( NULL ) </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a9139f1fafbb5c196bed65495af18021d" title="Attach the item to a plot.">attach()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00095">95</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0493eb028a85753735073754be269e4d">◆ </a></span>draw()</h2>
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<p>Draw the item. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">painter</td><td>Painter </td></tr>
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<tr><td class="paramname">azimuthMap</td><td>Maps azimuth values to values related to 0.0, M_2PI </td></tr>
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<tr><td class="paramname">radialMap</td><td>Maps radius values into painter coordinates. </td></tr>
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<p>Implemented in <a class="el" href="class_qwt_polar_spectrogram.html#aeb90f9e41dc95a8ae24b4322d7708ee8">QwtPolarSpectrogram</a>, <a class="el" href="class_qwt_polar_marker.html#a9a08c60cd59f31684edc537e3071e04b">QwtPolarMarker</a>, <a class="el" href="class_qwt_polar_grid.html#a9549e1743f440bbcd98199b28b29059d">QwtPolarGrid</a>, and <a class="el" href="class_qwt_polar_curve.html#ab8f937a92c7d58a1dbead8890238af2e">QwtPolarCurve</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2417cb6a3282a1f406da00e1d8608146">◆ </a></span>isVisible()</h2>
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<dl class="section return"><dt>Returns</dt><dd>true if visible </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a75f908fc0ee164fdd3bb50436c1d90df">setVisible()</a>, <a class="el" href="class_qwt_polar_item.html#abc6bba0128e8b9ce0a722640ca8a3e53" title="Show the item.">show()</a>, <a class="el" href="class_qwt_polar_item.html#a7160d323c3f0326d451ee71a636b60c4" title="Hide the item.">hide()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00344">344</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<p>Update the legend and call <a class="el" href="class_qwt_polar_plot.html#a4ed94d675d589ebc25297016c062d242" title="Replots the plot if QwtPlot::autoReplot() is true.">QwtPolarPlot::autoRefresh</a> for the parent plot.</p>
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<dl class="section see"><dt>See also</dt><dd>updateLegend() </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00355">355</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac0e8b4bed9e819210271bdde3de58d3d">◆ </a></span>legendChanged()</h2>
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<p>Update the legend of the parent plot. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_plot.html#ae87700c0bac8488aed5a478ab5098830">QwtPolarPlot::updateLegend()</a>, <a class="el" href="class_qwt_polar_item.html#a0fa7263683e0982892162174328a55c1">itemChanged()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00365">365</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a592d121b6d79db13161b18a138f13e70">◆ </a></span>legendData()</h2>
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<td class="memname"><a class="el" href="class_q_list.html">QList</a>< <a class="el" href="class_qwt_legend_data.html">QwtLegendData</a> > QwtPolarItem::legendData </td>
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<p>Return all information, that is needed to represent the item on the legend. </p>
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<p>The default implementation returns one entry with the <a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title()</a> of the item and the <a class="el" href="class_qwt_polar_item.html#a971930cdc6c7d750634c9ae07f01a5e2">legendIcon()</a>.</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title()</a>, <a class="el" href="class_qwt_polar_item.html#a971930cdc6c7d750634c9ae07f01a5e2">legendIcon()</a>, <a class="el" href="class_qwt_legend.html" title="The legend widget.">QwtLegend</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00428">428</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<td class="memname"><a class="el" href="class_qwt_graphic.html">QwtGraphic</a> QwtPolarItem::legendIcon </td>
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<dl class="section return"><dt>Returns</dt><dd>Icon representing the item on the legend</dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a216fd1f5572147494ce794933ca41f60">setLegendIconSize()</a>, <a class="el" href="class_qwt_polar_item.html#a592d121b6d79db13161b18a138f13e70" title="Return all information, that is needed to represent the item on the legend.">legendData()</a> </dd></dl>
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<p>Reimplemented in <a class="el" href="class_qwt_polar_curve.html#a5bbdbfa9e44951eaf43e387680a00c55">QwtPolarCurve</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00462">462</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0d58642e90028668d7f601e65662c922">◆ </a></span>legendIconSize()</h2>
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<td class="memname">QSize QwtPolarItem::legendIconSize </td>
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<dl class="section return"><dt>Returns</dt><dd>Legend icon size </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a216fd1f5572147494ce794933ca41f60">setLegendIconSize()</a>, <a class="el" href="class_qwt_polar_item.html#a971930cdc6c7d750634c9ae07f01a5e2">legendIcon()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00308">308</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a86e899b76f4682bdb791eca7e145e2bd">◆ </a></span>marginHint()</h2>
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<td class="memname">int QwtPolarItem::marginHint </td>
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<td>(</td>
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<p>Some items like to display something (f.e. the azimuth axis) outside of the area of the interval of the radial scale. The default implementation returns 0 pixels</p>
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<dl class="section return"><dt>Returns</dt><dd>Hint for the margin </dd></dl>
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<p>Reimplemented in <a class="el" href="class_qwt_polar_grid.html#a514b1ac58b26128ba73eb7f2f59d230b">QwtPolarGrid</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00478">478</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a803b53442760b19a533e1026bf299f9d">◆ </a></span>plot()</h2>
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<td class="memname"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * QwtPolarItem::plot </td>
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<td>(</td>
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<dl class="section return"><dt>Returns</dt><dd>Attached plot </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00118">118</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa3d0e4373d1108f819bddc36e070c746">◆ </a></span>renderThreadCount()</h2>
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<td class="memname">uint QwtPolarItem::renderThreadCount </td>
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<dl class="section return"><dt>Returns</dt><dd>Number of threads to be used for rendering. If numThreads() is set to 0, the system specific ideal thread count is used. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00282">282</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af98ff690ffccd9c7d8af52f456014c1e">◆ </a></span>rtti()</h2>
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<td class="memname">int QwtPolarItem::rtti </td>
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<p>Return rtti for the specific class represented. <a class="el" href="class_qwt_polar_item.html" title="Base class for items on a polar plot.">QwtPolarItem</a> is simply a virtual interface class, and base classes will implement this method with specific rtti values so a user can differentiate them.</p>
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<p>The rtti value is useful for environments, where the runtime type information is disabled and it is not possible to do a dynamic_cast<...>.</p>
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<dl class="section return"><dt>Returns</dt><dd>rtti value </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a6c03d774c1d089ec8603dd37879a9f4d" title="Runtime type information.">RttiValues</a> </dd></dl>
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<p>Reimplemented in <a class="el" href="class_qwt_polar_spectrogram.html#a5a9d3b56a601ca2502ae9c6246e53724">QwtPolarSpectrogram</a>, <a class="el" href="class_qwt_polar_marker.html#a05d414061d74f4f5df97fe7ce2bf327e">QwtPolarMarker</a>, <a class="el" href="class_qwt_polar_grid.html#a8e98deaf1967fa0cb5d32164aae58266">QwtPolarGrid</a>, and <a class="el" href="class_qwt_polar_curve.html#ade9c7ec38432ca0820850e96d5bb3a30">QwtPolarCurve</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00112">112</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa5222a54ed4578061f6af398a289ab0e">◆ </a></span>setItemAttribute()</h2>
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<td class="memname">void QwtPolarItem::setItemAttribute </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a> </td>
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<td class="paramname"><em>attribute</em>, </td>
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<td>)</td>
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<p>Toggle an item attribute</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">attribute</td><td>Attribute type </td></tr>
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<tr><td class="paramname">on</td><td>true/false</td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a01db5fa1da8bcf85725de600081ca06f">testItemAttribute()</a>, <a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6" title="Plot Item Attributes.">ItemAttribute</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00201">201</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<a id="a216fd1f5572147494ce794933ca41f60"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a216fd1f5572147494ce794933ca41f60">◆ </a></span>setLegendIconSize()</h2>
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<td class="memname">void QwtPolarItem::setLegendIconSize </td>
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<td>(</td>
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<p>Set the size of the legend icon</p>
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<p>The default setting is 8x8 pixels</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">size</td><td>Size </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a0d58642e90028668d7f601e65662c922">legendIconSize()</a>, <a class="el" href="class_qwt_polar_item.html#a971930cdc6c7d750634c9ae07f01a5e2">legendIcon()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00295">295</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<a id="acaa87e47f7a3d307f138bbce2dae7095"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#acaa87e47f7a3d307f138bbce2dae7095">◆ </a></span>setRenderHint()</h2>
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<td class="memname">void QwtPolarItem::setRenderHint </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a> </td>
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<td class="paramname"><em>hint</em>, </td>
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<p>Toggle an render hint</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">hint</td><td>Render hint </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a63ef394b277bf35dd4343b5ac68cf641">testRenderHint()</a>, <a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed" title="Render hints.">RenderHint</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00234">234</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3349eafd69c1e0249be71953b2551ff5">◆ </a></span>setRenderThreadCount()</h2>
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<td class="memname">void QwtPolarItem::setRenderThreadCount </td>
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<td>(</td>
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<p>On multi core systems rendering of certain plot item ( f.e <a class="el" href="class_qwt_polar_spectrogram.html" title="An item, which displays a spectrogram.">QwtPolarSpectrogram</a> ) can be done in parallel in several threads.</p>
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<p>The default setting is set to 1.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<p>The default thread count is 1 ( = no additional threads ) </p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00272">272</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5d4a9c3d2e56d0240f29ba096c70f882">◆ </a></span>setTitle() <span class="overload">[1/2]</span></h2>
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<p>Set a new title</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00164">164</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a75b5cb02ab578e37718ce563fee6004d">◆ </a></span>setTitle() <span class="overload">[2/2]</span></h2>
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<p>Set a new title</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a5d63cac0d1d704149cab14eaa15cc28f">title()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00175">175</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a75f908fc0ee164fdd3bb50436c1d90df">◆ </a></span>setVisible()</h2>
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<p>Show/Hide the item</p>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a2417cb6a3282a1f406da00e1d8608146">isVisible()</a>, <a class="el" href="class_qwt_polar_item.html#abc6bba0128e8b9ce0a722640ca8a3e53" title="Show the item.">show()</a>, <a class="el" href="class_qwt_polar_item.html#a7160d323c3f0326d451ee71a636b60c4" title="Hide the item.">hide()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00331">331</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acef8efd945a194b70a11ad39060de917">◆ </a></span>setZ()</h2>
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<td class="memname">void QwtPolarItem::setZ </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>z</em></td><td>)</td>
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<p>Set the z value. </p>
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<p>Plot items are painted in increasing z-order.</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">z</td><td>Z-value </td></tr>
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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_polar_item.html#a44b930c94007de9690ef9bcf10d4107b">z()</a>, <a class="el" href="class_qwt_polar_item_dict.html#a7eddfaef38f375fbe4bd2e20909041f4" title="A QwtPolarItemList of all attached plot items.">QwtPolarItemDict::itemList()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00142">142</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a01db5fa1da8bcf85725de600081ca06f">◆ </a></span>testItemAttribute()</h2>
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<td class="memname">bool QwtPolarItem::testItemAttribute </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6">ItemAttribute</a> </td>
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<td class="paramname"><em>attribute</em></td><td>)</td>
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<td> const</td>
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<p>Test an item attribute</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">attribute</td><td>Attribute type </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>true/false </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#aa5222a54ed4578061f6af398a289ab0e">setItemAttribute()</a>, <a class="el" href="class_qwt_polar_item.html#a3dfa4f39bc1ac99b0371b4938abe6ad6" title="Plot Item Attributes.">ItemAttribute</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00221">221</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a63ef394b277bf35dd4343b5ac68cf641">◆ </a></span>testRenderHint()</h2>
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<td class="memname">bool QwtPolarItem::testRenderHint </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed">RenderHint</a> </td>
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<td class="paramname"><em>hint</em></td><td>)</td>
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<td> const</td>
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<p>Test a render hint</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">hint</td><td>Render hint </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true/false </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#acaa87e47f7a3d307f138bbce2dae7095">setRenderHint()</a>, <a class="el" href="class_qwt_polar_item.html#aafc969899461b4fb481396cd347614ed" title="Render hints.">RenderHint</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00254">254</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5d63cac0d1d704149cab14eaa15cc28f">◆ </a></span>title()</h2>
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<td class="memname">const <a class="el" href="class_qwt_text.html">QwtText</a> & QwtPolarItem::title </td>
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<dl class="section return"><dt>Returns</dt><dd>Title of the item </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#a5d4a9c3d2e56d0240f29ba096c70f882">setTitle()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00188">188</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a459d264543f40e9a41de90bc486b0f1f">◆ </a></span>updateScaleDiv()</h2>
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<td class="paramtype">const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> & </td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Update the item to changes of the axes scale division. </p>
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<p>Update the item, when the axes of plot have changed. The default implementation does nothing, but items that depend on the scale division (like <a class="el" href="class_qwt_polar_grid.html" title="An item which draws scales and grid lines on a polar plot.">QwtPolarGrid()</a>) have to reimplement <a class="el" href="class_qwt_polar_item.html#a459d264543f40e9a41de90bc486b0f1f" title="Update the item to changes of the axes scale division.">updateScaleDiv()</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">azimuthScaleDiv</td><td>Scale division of the azimuth-scale </td></tr>
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<tr><td class="paramname">radialScaleDiv</td><td>Scale division of the radius-axis </td></tr>
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<dl class="section see"><dt>See also</dt><dd>QwtPolarPlot::updateAxes() </dd></dl>
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<p>Reimplemented in <a class="el" href="class_qwt_polar_grid.html#a37d16e5a136484e2bc529d05db148fda">QwtPolarGrid</a>.</p>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00403">403</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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<a id="a44b930c94007de9690ef9bcf10d4107b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a44b930c94007de9690ef9bcf10d4107b">◆ </a></span>z()</h2>
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<td class="memname">double QwtPolarItem::z </td>
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<p>Plot items are painted in increasing z-order.</p>
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<dl class="section return"><dt>Returns</dt><dd>Z value </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_item.html#acef8efd945a194b70a11ad39060de917" title="Set the z value.">setZ()</a>, <a class="el" href="class_qwt_polar_item_dict.html#a7eddfaef38f375fbe4bd2e20909041f4" title="A QwtPolarItemList of all attached plot items.">QwtPolarItemDict::itemList()</a> </dd></dl>
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<p class="definition">Definition at line <a class="el" href="qwt__polar__item_8cpp_source.html#l00129">129</a> of file <a class="el" href="qwt__polar__item_8cpp_source.html">qwt_polar_item.cpp</a>.</p>
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