ASCEE/pyqtgraph
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
269374ef84
pyqtgraph/documentation/build/html/graphicsItems/scatterplotitem.html

171 lines
7.4 KiB
HTML
Raw Normal View History

Imported major changes from acq4 project.
2012-03-02 02:55:32 +00:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>ScatterPlotItem &mdash; pyqtgraph v1.8 documentation</title>
<link rel="stylesheet" href="../_static/default.css" type="text/css" />
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT: '../',
VERSION: '1.8',
COLLAPSE_INDEX: false,
FILE_SUFFIX: '.html',
HAS_SOURCE: true
};
</script>
<script type="text/javascript" src="../_static/jquery.js"></script>
<script type="text/javascript" src="../_static/underscore.js"></script>
<script type="text/javascript" src="../_static/doctools.js"></script>
<link rel="top" title="pyqtgraph v1.8 documentation" href="../index.html" />
<link rel="up" title="Pyqtgraph’s Graphics Items" href="index.html" />
<link rel="next" title="PlotItem" href="plotitem.html" />
<link rel="prev" title="PlotCurveItem" href="plotcurveitem.html" />
</head>
<body>
<div class="related">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="right" >
<a href="plotitem.html" title="PlotItem"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="plotcurveitem.html" title="PlotCurveItem"
accesskey="P">previous</a> |</li>
<li><a href="../index.html">pyqtgraph v1.8 documentation</a> &raquo;</li>
<li><a href="../apireference.html" >API Reference</a> &raquo;</li>
<li><a href="index.html" accesskey="U">Pyqtgraph&#8217;s Graphics Items</a> &raquo;</li>
</ul>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body">
<div class="section" id="scatterplotitem">
<h1>ScatterPlotItem<a class="headerlink" href="#scatterplotitem" title="Permalink to this headline"></a></h1>
<dl class="class">
<dt id="pyqtgraph.ScatterPlotItem">
<em class="property">class </em><tt class="descclassname">pyqtgraph.</tt><tt class="descname">ScatterPlotItem</tt><big>(</big><em>spots=None</em>, <em>x=None</em>, <em>y=None</em>, <em>pxMode=True</em>, <em>pen='default'</em>, <em>brush='default'</em>, <em>size=7</em>, <em>symbol=None</em>, <em>identical=False</em>, <em>data=None</em><big>)</big><a class="headerlink" href="#pyqtgraph.ScatterPlotItem" title="Permalink to this definition"></a></dt>
<dd><dl class="method">
<dt id="pyqtgraph.ScatterPlotItem.__init__">
<tt class="descname">__init__</tt><big>(</big><em>spots=None</em>, <em>x=None</em>, <em>y=None</em>, <em>pxMode=True</em>, <em>pen='default'</em>, <em>brush='default'</em>, <em>size=7</em>, <em>symbol=None</em>, <em>identical=False</em>, <em>data=None</em><big>)</big><a class="headerlink" href="#pyqtgraph.ScatterPlotItem.__init__" title="Permalink to this definition"></a></dt>
<dd><dl class="docutils">
<dt>Arguments:</dt>
<dd><dl class="first docutils">
<dt>spots: list of dicts. Each dict specifies parameters for a single spot:</dt>
<dd>{&#8216;pos&#8217;: (x,y), &#8216;size&#8217;, &#8216;pen&#8217;, &#8216;brush&#8217;, &#8216;symbol&#8217;}</dd>
</dl>
<p>x,y: array of x,y values. Alternatively, specify spots[&#8216;pos&#8217;] = (x,y)
pxMode: If True, spots are always the same size regardless of scaling, and size is given in px.</p>
<blockquote>
Otherwise, size is in scene coordinates and the spots scale with the view.</blockquote>
<dl class="last docutils">
<dt>identical: If True, all spots are forced to look identical. </dt>
<dd>This can result in performance enhancement.</dd>
<dt>symbol can be one of:</dt>
<dd>&#8216;o&#8217; circle
&#8216;s&#8217; square
&#8216;t&#8217; triangle
&#8216;d&#8217; diamond
&#8216;+&#8217; plus</dd>
</dl>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="pyqtgraph.ScatterPlotItem.setPoints">
<tt class="descname">setPoints</tt><big>(</big><em>spots=None</em>, <em>x=None</em>, <em>y=None</em>, <em>data=None</em><big>)</big><a class="headerlink" href="#pyqtgraph.ScatterPlotItem.setPoints" title="Permalink to this definition"></a></dt>
<dd><p>Remove all existing points in the scatter plot and add a new set.
Arguments:</p>
<blockquote>
<dl class="docutils">
<dt>spots - list of dicts specifying parameters for each spot</dt>
<dd>[ {&#8216;pos&#8217;: (x,y), &#8216;pen&#8217;: &#8216;r&#8217;, ...}, ...]</dd>
<dt>x, y - arrays specifying location of spots to add. </dt>
<dd>all other parameters (pen, symbol, etc.) will be set to the default
values for this scatter plot.
these arguments are IGNORED if &#8216;spots&#8217; is specified</dd>
<dt>data - list of arbitrary objects to be assigned to spot.data for each spot</dt>
<dd>(this is useful for identifying spots that are clicked on)</dd>
</dl>
</blockquote>
</dd></dl>
</dd></dl>
</div>
</div>
</div>
</div>
<div class="sphinxsidebar">
<div class="sphinxsidebarwrapper">
<h4>Previous topic</h4>
<p class="topless"><a href="plotcurveitem.html"
title="previous chapter">PlotCurveItem</a></p>
<h4>Next topic</h4>
<p class="topless"><a href="plotitem.html"
title="next chapter">PlotItem</a></p>
<h3>This Page</h3>
<ul class="this-page-menu">
<li><a href="../_sources/graphicsItems/scatterplotitem.txt"
rel="nofollow">Show Source</a></li>
</ul>
<div id="searchbox" style="display: none">
<h3>Quick search</h3>
<form class="search" action="../search.html" method="get">
<input type="text" name="q" size="18" />
<input type="submit" value="Go" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
<p class="searchtip" style="font-size: 90%">
Enter search terms or a module, class or function name.
</p>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="right" >
<a href="plotitem.html" title="PlotItem"
>next</a> |</li>
<li class="right" >
<a href="plotcurveitem.html" title="PlotCurveItem"
>previous</a> |</li>
<li><a href="../index.html">pyqtgraph v1.8 documentation</a> &raquo;</li>
<li><a href="../apireference.html" >API Reference</a> &raquo;</li>
<li><a href="index.html" >Pyqtgraph&#8217;s Graphics Items</a> &raquo;</li>
</ul>
</div>
<div class="footer">
&copy; Copyright 2011, Luke Campagnola.
Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.0.1.
</div>
</body>
</html>
Reference in New Issue Copy Permalink