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<div class="section" id="graphicsobject">
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<h1>GraphicsObject<a class="headerlink" href="#graphicsobject" title="Permalink to this headline">¶</a></h1>
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<dl class="class">
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<dt id="pyqtgraph.GraphicsObject">
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<em class="property">class </em><tt class="descclassname">pyqtgraph.</tt><tt class="descname">GraphicsObject</tt><big>(</big><em>*args</em><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject" title="Permalink to this definition">¶</a></dt>
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<dd><p>Extends QGraphicsObject with a few important functions.
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(Most of these assume that the object is in a scene with a single view)</p>
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<p>This class also generates a cache of the Qt-internal addresses of each item
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so that GraphicsScene.items() can return the correct objects (this is a PyQt bug)</p>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.__init__">
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<tt class="descname">__init__</tt><big>(</big><em>*args</em><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.__init__" title="Permalink to this definition">¶</a></dt>
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<dd></dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.deviceTransform">
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<tt class="descname">deviceTransform</tt><big>(</big><em>viewportTransform=None</em><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.deviceTransform" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the transform that converts item coordinates to device coordinates (usually pixels).
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Extends deviceTransform to automatically determine the viewportTransform.</p>
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</dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.getBoundingParents">
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<tt class="descname">getBoundingParents</tt><big>(</big><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.getBoundingParents" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return a list of parents to this item that have child clipping enabled.</p>
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</dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.getViewBox">
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<tt class="descname">getViewBox</tt><big>(</big><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.getViewBox" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the first ViewBox or GraphicsView which bounds this item’s visible space.
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If this item is not contained within a ViewBox, then the GraphicsView is returned.
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If the item is contained inside nested ViewBoxes, then the inner-most ViewBox is returned.
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The result is cached; clear the cache with forgetViewBox()</p>
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</dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.getViewWidget">
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<tt class="descname">getViewWidget</tt><big>(</big><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.getViewWidget" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the view widget for this item. If the scene has multiple views, only the first view is returned.
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The return value is cached; clear the cached value with forgetViewWidget()</p>
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</dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.pixelLength">
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<tt class="descname">pixelLength</tt><big>(</big><em>direction</em><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.pixelLength" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the length of one pixel in the direction indicated (in local coordinates)</p>
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</dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.pixelVectors">
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<tt class="descname">pixelVectors</tt><big>(</big><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.pixelVectors" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return vectors in local coordinates representing the width and height of a view pixel.</p>
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</dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.viewRect">
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<tt class="descname">viewRect</tt><big>(</big><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.viewRect" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the bounds (in item coordinates) of this item’s ViewBox or GraphicsWidget</p>
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</dd></dl>
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<dl class="method">
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<dt id="pyqtgraph.GraphicsObject.viewTransform">
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<tt class="descname">viewTransform</tt><big>(</big><big>)</big><a class="headerlink" href="#pyqtgraph.GraphicsObject.viewTransform" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the transform that maps from local coordinates to the item’s ViewBox coordinates
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If there is no ViewBox, return the scene transform.
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Returns None if the item does not have a view.</p>
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</dd></dl>
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