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<h1>CurvePoint<a class="headerlink" href="#curvepoint" title="Permalink to this headline">¶</a></h1>
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<dl class="class">
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<dt id="pyqtgraph.CurvePoint">
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<em class="property">class </em><tt class="descclassname">pyqtgraph.</tt><tt class="descname">CurvePoint</tt><big>(</big><em>curve</em>, <em>index=0</em>, <em>pos=None</em><big>)</big><a class="headerlink" href="#pyqtgraph.CurvePoint" title="Permalink to this definition">¶</a></dt>
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<dd><p>A GraphicsItem that sets its location to a point on a PlotCurveItem.
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Also rotates to be tangent to the curve.
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The position along the curve is a Qt property, and thus can be easily animated.</p>
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<p>Note: This class does not display anything; see CurveArrow for an applied example</p>
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<dt id="pyqtgraph.CurvePoint.__init__">
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<tt class="descname">__init__</tt><big>(</big><em>curve</em>, <em>index=0</em>, <em>pos=None</em><big>)</big><a class="headerlink" href="#pyqtgraph.CurvePoint.__init__" title="Permalink to this definition">¶</a></dt>
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<dd><p>Position can be set either as an index referring to the sample number or
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the position 0.0 - 1.0</p>
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