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<a href="#pub-types">Public Types</a> &#124;
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<p>Manages the position of an item.  
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Inheritance diagram for QCPItemPosition:</div>
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  <img src="class_q_c_p_item_position.png" usemap="#QCPItemPosition_map" alt=""/>
  <map id="QCPItemPosition_map" name="QCPItemPosition_map">
<area href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. " alt="QCPItemAnchor" shape="rect" coords="0,0,105,24"/>
</map>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:aad9936c22bf43e3d358552f6e86dbdc8"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8">PositionType</a> { <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a564f5e53e550ead1ec5fc7fc7d0b73e0">ptAbsolute</a>, 
<a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ac7d6aa89ceacb39658b0d6da061c789a">ptViewportRatio</a>, 
<a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a01080fd00eaf09fa238ef6b73bbfef75">ptAxisRectRatio</a>, 
<a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c">ptPlotCoords</a>
 }</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a3efc524f37fdcd22907545eb77555ce4"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#a3efc524f37fdcd22907545eb77555ce4">QCPItemPosition</a> (<a class="el" href="class_q_custom_plot.html">QCustomPlot</a> *parentPlot, <a class="el" href="class_q_c_p_abstract_item.html">QCPAbstractItem</a> *parentItem, const QString name)</td></tr>
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<a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8">PositionType</a>&#160;</td><td class="memItemRight" valign="bottom"><b>type</b> () const </td></tr>
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<a class="el" href="class_q_c_p_item_anchor.html">QCPItemAnchor</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>parentAnchor</b> () const </td></tr>
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double&#160;</td><td class="memItemRight" valign="bottom"><b>key</b> () const </td></tr>
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double&#160;</td><td class="memItemRight" valign="bottom"><b>value</b> () const </td></tr>
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<tr class="memitem:a253d7adbb6d46299bd6cbc31aa8819f1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a253d7adbb6d46299bd6cbc31aa8819f1"></a>
QPointF&#160;</td><td class="memItemRight" valign="bottom"><b>coords</b> () const </td></tr>
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<a class="el" href="class_q_c_p_axis.html">QCPAxis</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>keyAxis</b> () const </td></tr>
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<tr class="memitem:a8d3a039fb2e69df86b4015daa30dfd2d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8d3a039fb2e69df86b4015daa30dfd2d"></a>
<a class="el" href="class_q_c_p_axis.html">QCPAxis</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>valueAxis</b> () const </td></tr>
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<tr class="memitem:a7f10fa702a324880cc4de958f434cec7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7f10fa702a324880cc4de958f434cec7"></a>
<a class="el" href="class_q_c_p_axis_rect.html">QCPAxisRect</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>axisRect</b> () const </td></tr>
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<tr class="memitem:ae490f9c76ee2ba33752c495d3b6e8fb5"><td class="memItemLeft" align="right" valign="top">virtual QPointF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#ae490f9c76ee2ba33752c495d3b6e8fb5">pixelPoint</a> () const </td></tr>
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<tr class="memitem:aa476abf71ed8fa4c537457ebb1a754ad"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a> (<a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8">PositionType</a> type)</td></tr>
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<tr class="memitem:ac094d67a95d2dceafa0d50b9db3a7e51"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#ac094d67a95d2dceafa0d50b9db3a7e51">setParentAnchor</a> (<a class="el" href="class_q_c_p_item_anchor.html">QCPItemAnchor</a> *parentAnchor, bool keepPixelPosition=false)</td></tr>
<tr class="separator:ac094d67a95d2dceafa0d50b9db3a7e51"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa988ba4e87ab684c9021017dcaba945f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> (double key, double value)</td></tr>
<tr class="separator:aa988ba4e87ab684c9021017dcaba945f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acc70b3abc143287f806e5f154e5e07b0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#acc70b3abc143287f806e5f154e5e07b0">setCoords</a> (const QPointF &amp;coords)</td></tr>
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<tr class="memitem:a2185f45c75ac8cb9be89daeaaad50e37"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#a2185f45c75ac8cb9be89daeaaad50e37">setAxes</a> (<a class="el" href="class_q_c_p_axis.html">QCPAxis</a> *keyAxis, <a class="el" href="class_q_c_p_axis.html">QCPAxis</a> *valueAxis)</td></tr>
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<tr class="memitem:a0cd9b326fb324710169e92e8ca0041c2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#a0cd9b326fb324710169e92e8ca0041c2">setAxisRect</a> (<a class="el" href="class_q_c_p_axis_rect.html">QCPAxisRect</a> *axisRect)</td></tr>
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<tr class="memitem:ab404e56d9ac2ac2df0382c57933a71ef"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#ab404e56d9ac2ac2df0382c57933a71ef">setPixelPoint</a> (const QPointF &amp;<a class="el" href="class_q_c_p_item_position.html#ae490f9c76ee2ba33752c495d3b6e8fb5">pixelPoint</a>)</td></tr>
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<tr class="inherit_header pub_methods_class_q_c_p_item_anchor"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_q_c_p_item_anchor')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_q_c_p_item_anchor.html">QCPItemAnchor</a></td></tr>
<tr class="memitem:aeb6b681d2bf324db40a915d32ec5624f inherit pub_methods_class_q_c_p_item_anchor"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_anchor.html#aeb6b681d2bf324db40a915d32ec5624f">QCPItemAnchor</a> (<a class="el" href="class_q_custom_plot.html">QCustomPlot</a> *parentPlot, <a class="el" href="class_q_c_p_abstract_item.html">QCPAbstractItem</a> *parentItem, const QString name, int anchorId=-1)</td></tr>
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<tr class="memitem:ac93984042a58c875e76847dc3e5f75fe inherit pub_methods_class_q_c_p_item_anchor"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac93984042a58c875e76847dc3e5f75fe"></a>
QString&#160;</td><td class="memItemRight" valign="bottom"><b>name</b> () const </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a577a7efc601df85a20b3e709d1ac320e"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_q_c_p_item_position.html#a577a7efc601df85a20b3e709d1ac320e">toQCPItemPosition</a> ()</td></tr>
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<tr class="inherit_header pro_methods_class_q_c_p_item_anchor"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_class_q_c_p_item_anchor')"><img src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="class_q_c_p_item_anchor.html">QCPItemAnchor</a></td></tr>
<tr class="memitem:ad11517e2ce5c2f9a798e78fb45e2e0d0 inherit pro_methods_class_q_c_p_item_anchor"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad11517e2ce5c2f9a798e78fb45e2e0d0"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>addChild</b> (<a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> *pos)</td></tr>
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<tr class="memitem:ab65ec61984575f737f43c2bb59dd0d76 inherit pro_methods_class_q_c_p_item_anchor"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab65ec61984575f737f43c2bb59dd0d76"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>removeChild</b> (<a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> *pos)</td></tr>
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Protected Attributes</h2></td></tr>
<tr class="memitem:ac9c7bbca809601323d3ae2542ef2801a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac9c7bbca809601323d3ae2542ef2801a"></a>
<a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8">PositionType</a>&#160;</td><td class="memItemRight" valign="bottom"><b>mPositionType</b></td></tr>
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<tr class="memitem:a63967a33933231e92f68c8ce06bfc37e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a63967a33933231e92f68c8ce06bfc37e"></a>
QPointer&lt; <a class="el" href="class_q_c_p_axis.html">QCPAxis</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>mKeyAxis</b></td></tr>
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QPointer&lt; <a class="el" href="class_q_c_p_axis.html">QCPAxis</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>mValueAxis</b></td></tr>
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QPointer&lt; <a class="el" href="class_q_c_p_axis_rect.html">QCPAxisRect</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>mAxisRect</b></td></tr>
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double&#160;</td><td class="memItemRight" valign="bottom"><b>mKey</b></td></tr>
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<a class="el" href="class_q_c_p_item_anchor.html">QCPItemAnchor</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>mParentAnchor</b></td></tr>
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QString&#160;</td><td class="memItemRight" valign="bottom"><b>mName</b></td></tr>
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<a class="el" href="class_q_custom_plot.html">QCustomPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>mParentPlot</b></td></tr>
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<a class="el" href="class_q_c_p_abstract_item.html">QCPAbstractItem</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>mParentItem</b></td></tr>
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int&#160;</td><td class="memItemRight" valign="bottom"><b>mAnchorId</b></td></tr>
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QSet&lt; <a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a> * &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>mChildren</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Manages the position of an item. </p>
<p>Every item has at least one public <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> member pointer which provides ways to position the item on the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> surface. Some items have multiple positions, for example <a class="el" href="class_q_c_p_item_rect.html" title="A rectangle. ">QCPItemRect</a> has two: <em>topLeft</em> and <em>bottomRight</em>.</p>
<p><a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> has a type (<a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8">PositionType</a>) that can be set with <a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a>. This type defines how coordinates passed to <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> are to be interpreted, e.g. as absolute pixel coordinates, as plot coordinates of certain axes, etc.</p>
<p>Further, <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> may have a parent <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a>, see <a class="el" href="class_q_c_p_item_position.html#ac094d67a95d2dceafa0d50b9db3a7e51">setParentAnchor</a>. (Note that every <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> inherits from <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a> and thus can itself be used as parent anchor for other positions.) This way you can tie multiple items together. If the <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> has a parent, the coordinates set with <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> are considered to be absolute values in the reference frame of the parent anchor, where (0, 0) means directly ontop of the parent anchor. For example, You could attach the <em>start</em> position of a <a class="el" href="class_q_c_p_item_line.html" title="A line from one point to another. ">QCPItemLine</a> to the <em>bottom</em> anchor of a <a class="el" href="class_q_c_p_item_text.html" title="A text label. ">QCPItemText</a> to make the starting point of the line always be centered under the text label, no matter where the text is moved to, or is itself tied to.</p>
<p>To set the apparent pixel position on the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> surface directly, use <a class="el" href="class_q_c_p_item_position.html#ab404e56d9ac2ac2df0382c57933a71ef">setPixelPoint</a>. This works no matter what type this <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> is or what parent-child situation it is in, as <a class="el" href="class_q_c_p_item_position.html#ab404e56d9ac2ac2df0382c57933a71ef">setPixelPoint</a> transforms the coordinates appropriately, to make the position appear at the specified pixel values. </p>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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          <td class="memname">enum <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8">QCPItemPosition::PositionType</a></td>
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<p>Defines the ways an item position can be specified. Thus it defines what the numbers passed to <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> actually mean.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a> </dd></dl>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="aad9936c22bf43e3d358552f6e86dbdc8a564f5e53e550ead1ec5fc7fc7d0b73e0"></a>ptAbsolute&#160;</td><td class="fielddoc">
<p>Static positioning in pixels, starting from the top left corner of the viewport/widget. </p>
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<tr><td class="fieldname"><a class="anchor" id="aad9936c22bf43e3d358552f6e86dbdc8ac7d6aa89ceacb39658b0d6da061c789a"></a>ptViewportRatio&#160;</td><td class="fielddoc">
<p>Static positioning given by a fraction of the viewport size. </p>
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<p>Static positioning given by a fraction of the axis rect size (see <a class="el" href="class_q_c_p_item_position.html#a0cd9b326fb324710169e92e8ca0041c2">setAxisRect</a>). </p>
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<tr><td class="fieldname"><a class="anchor" id="aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c"></a>ptPlotCoords&#160;</td><td class="fielddoc">
<p>Dynamic positioning at a plot coordinate defined by two axes (see <a class="el" href="class_q_c_p_item_position.html#a2185f45c75ac8cb9be89daeaaad50e37">setAxes</a>). </p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<p>Creates a new <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a>. You shouldn't create <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> instances directly, even if you want to make a new item subclass. Use QCPAbstractItem::createPosition instead, as explained in the subclassing section of the <a class="el" href="class_q_c_p_abstract_item.html" title="The abstract base class for all items in a plot. ">QCPAbstractItem</a> documentation. </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<p>Returns the final absolute pixel position of the <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> on the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> surface. It includes all effects of type (<a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a>) and possible parent anchors (<a class="el" href="class_q_c_p_item_position.html#ac094d67a95d2dceafa0d50b9db3a7e51">setParentAnchor</a>).</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_q_c_p_item_position.html#ab404e56d9ac2ac2df0382c57933a71ef">setPixelPoint</a> </dd></dl>

<p>Reimplemented from <a class="el" href="class_q_c_p_item_anchor.html#ae92def8f9297c5d73f5806c586517bb3">QCPItemAnchor</a>.</p>

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          <td class="paramname"><em>keyAxis</em>, </td>
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          <td class="paramname"><em>valueAxis</em>&#160;</td>
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<p>When <a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a> is <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c">ptPlotCoords</a>, this function may be used to specify the axes the coordinates set with <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> relate to. By default they are set to the initial xAxis and yAxis of the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a>. </p>

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          <td class="paramname"><em>axisRect</em></td><td>)</td>
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<p>When <a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a> is <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a01080fd00eaf09fa238ef6b73bbfef75">ptAxisRectRatio</a>, this function may be used to specify the axis rect the coordinates set with <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> relate to. By default this is set to the main axis rect of the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a>. </p>

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          <td class="paramtype">double&#160;</td>
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<p>Sets the coordinates of this <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a>. What the coordinates mean, is defined by the type (<a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a>).</p>
<p>For example, if the type is <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a564f5e53e550ead1ec5fc7fc7d0b73e0">ptAbsolute</a>, <em>key</em> and <em>value</em> mean the x and y pixel position on the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> surface. In that case the origin (0, 0) is in the top left corner of the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> viewport. If the type is <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c">ptPlotCoords</a>, <em>key</em> and <em>value</em> mean a point in the plot coordinate system defined by the axes set by <a class="el" href="class_q_c_p_item_position.html#a2185f45c75ac8cb9be89daeaaad50e37">setAxes</a>. By default those are the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a>'s xAxis and yAxis. See the documentation of <a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a> for other available coordinate types and their meaning.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_q_c_p_item_position.html#ab404e56d9ac2ac2df0382c57933a71ef">setPixelPoint</a> </dd></dl>

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<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.</p>
<p>Sets the coordinates as a QPointF <em>pos</em> where pos.x has the meaning of <em>key</em> and pos.y the meaning of <em>value</em> of the <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords(double key, double value)</a> method. </p>

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<p>Sets the parent of this <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> to <em>parentAnchor</em>. This means the position will now follow any position changes of the anchor. The local coordinate system of positions with a parent anchor always is absolute with (0, 0) being exactly on top of the parent anchor. (Hence the type shouldn't be <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c">ptPlotCoords</a> for positions with parent anchors.)</p>
<p>if <em>keepPixelPosition</em> is true, the current pixel position of the <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> is preserved during reparenting. If it's set to false, the coordinates are set to (0, 0), i.e. the position will be exactly on top of the parent anchor.</p>
<p>To remove this <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> from any parent anchor, set <em>parentAnchor</em> to 0.</p>
<p>If the <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> previously had no parent and the type is <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c">ptPlotCoords</a>, the type is set to <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a564f5e53e550ead1ec5fc7fc7d0b73e0">ptAbsolute</a>, to keep the position in a valid state. </p>

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          <td class="memname">void QCPItemPosition::setPixelPoint </td>
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<p>Sets the apparent pixel position. This works no matter what type (<a class="el" href="class_q_c_p_item_position.html#aa476abf71ed8fa4c537457ebb1a754ad">setType</a>) this <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> is or what parent-child situation it is in, as coordinates are transformed appropriately, to make the position finally appear at the specified pixel values.</p>
<p>Only if the type is <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a564f5e53e550ead1ec5fc7fc7d0b73e0">ptAbsolute</a> and no parent anchor is set, this function's effect is identical to that of <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a>.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_q_c_p_item_position.html#ae490f9c76ee2ba33752c495d3b6e8fb5">pixelPoint</a>, <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> </dd></dl>

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          <td class="memname">void QCPItemPosition::setType </td>
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          <td class="paramtype"><a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8">QCPItemPosition::PositionType</a>&#160;</td>
          <td class="paramname"><em>type</em></td><td>)</td>
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<p>Sets the type of the position. The type defines how the coordinates passed to <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> should be handled and how the <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> should behave in the plot.</p>
<p>The possible values for <em>type</em> can be separated in two main categories:</p>
<ul>
<li>The position is regarded as a point in plot coordinates. This corresponds to <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c">ptPlotCoords</a> and requires two axes that define the plot coordinate system. They can be specified with <a class="el" href="class_q_c_p_item_position.html#a2185f45c75ac8cb9be89daeaaad50e37">setAxes</a>. By default, the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a>'s x- and yAxis are used.</li>
</ul>
<ul>
<li>The position is fixed on the <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> surface, i.e. independent of axis ranges. This corresponds to all other types, i.e. <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a564f5e53e550ead1ec5fc7fc7d0b73e0">ptAbsolute</a>, <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ac7d6aa89ceacb39658b0d6da061c789a">ptViewportRatio</a> and <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a01080fd00eaf09fa238ef6b73bbfef75">ptAxisRectRatio</a>. They differ only in the way the absolute position is described, see the documentation of PositionType for details. For <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8a01080fd00eaf09fa238ef6b73bbfef75">ptAxisRectRatio</a>, note that you can specify the axis rect with <a class="el" href="class_q_c_p_item_position.html#a0cd9b326fb324710169e92e8ca0041c2">setAxisRect</a>. By default this is set to the main axis rect.</li>
</ul>
<p>Note that the position type <a class="el" href="class_q_c_p_item_position.html#aad9936c22bf43e3d358552f6e86dbdc8ad5ffb8dc99ad73263f7010c77342294c">ptPlotCoords</a> is only available (and sensible) when the position has no parent anchor (<a class="el" href="class_q_c_p_item_position.html#ac094d67a95d2dceafa0d50b9db3a7e51">setParentAnchor</a>).</p>
<p>If the type is changed, the apparent pixel position on the plot is preserved. This means the coordinates as retrieved with coords() and set with <a class="el" href="class_q_c_p_item_position.html#aa988ba4e87ab684c9021017dcaba945f">setCoords</a> may change in the process. </p>

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          <td class="memname">virtual <a class="el" href="class_q_c_p_item_position.html">QCPItemPosition</a>* QCPItemPosition::toQCPItemPosition </td>
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<p>Returns 0 if this instance is merely a <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a>, and a valid pointer of type QCPItemPosition* if it actually is a <a class="el" href="class_q_c_p_item_position.html" title="Manages the position of an item. ">QCPItemPosition</a> (which is a subclass of <a class="el" href="class_q_c_p_item_anchor.html" title="An anchor of an item to which positions can be attached to. ">QCPItemAnchor</a>).</p>
<p>This safe downcast functionality could also be achieved with a dynamic_cast. However, <a class="el" href="class_q_custom_plot.html" title="The central class of the library. This is the QWidget which displays the plot and interacts with the ...">QCustomPlot</a> avoids dynamic_cast to work with projects that don't have RTTI support enabled (e.g. -fno-rtti flag with gcc compiler). </p>

<p>Reimplemented from <a class="el" href="class_q_c_p_item_anchor.html#ac54b20120669950255a63587193dbb86">QCPItemAnchor</a>.</p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="qcustomplot_8h_source.html">qcustomplot.h</a></li>
<li><a class="el" href="qcustomplot_8cpp.html">qcustomplot.cpp</a></li>
</ul>
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