<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	>

<channel>
	<title>迷途知返 &#187; Default</title>
	<atom:link href="http://pwwang.com/category/default/feed/" rel="self" type="application/rss+xml" />
	<link>http://pwwang.com</link>
	<description>专注技术,用心生活!</description>
	<lastBuildDate>Wed, 08 Feb 2012 09:37:25 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.3.2</generator>
		<item>
		<title>PyChartDirector中文教程[4]：简单的饼状图</title>
		<link>http://pwwang.com/2010/05/04/pychartdirector_note_4/</link>
		<comments>http://pwwang.com/2010/05/04/pychartdirector_note_4/#comments</comments>
		<pubDate>Tue, 04 May 2010 08:34:37 +0000</pubDate>
		<dc:creator>pwwang</dc:creator>
				<category><![CDATA[Default]]></category>
		<category><![CDATA[ChartDirector]]></category>
		<category><![CDATA[Python]]></category>

		<guid isPermaLink="false">http://pwwang.com/?p=907</guid>
		<description><![CDATA[&#160;

先来看看我们要画的这个最简单的饼状图吧:



<span class="readmore"><a href="http://pwwang.com/2010/05/04/pychartdirector_note_4/" title="PyChartDirector中文教程[4]：简单的饼状图">Read More: 568 Words Totally</a></span>]]></description>
			<content:encoded><![CDATA[<p>&nbsp;</p>
<p>先来看看我们要画的这个最简单的饼状图吧:</p>
<p><a href="http://pwwang.com/wp-content/uploads/2010/04/simplepie.png"><img width="300" height="250" border="0" alt="" style="clear: both;" src="http://pwwang.com/wp-content/uploads/2010/04/simplepie-300x250.png" title="simplepie" /></a></p>
<p>&nbsp;</p>
<p><span id="more-907"></span>这个例子展示了画饼状图的基本步骤:</p>
<blockquote>
<p>用PieChart创建一个pie chart对象</p>
<p>用setPieSize指定中心和半径</p>
<p>为饼状图指定数据</p>
<p>用makeChart保存图像</p>
</blockquote>
<p>我们先看一下源代码:</p>
<p>&nbsp;</p>

<div class="wp_syntax"><div class="code"><pre class="python" style="font-family:monospace;"><span style="color: #808080; font-style: italic;">#!/usr/bin/python</span>
<span style="color: #ff7700;font-weight:bold;">from</span> pychartdir <span style="color: #ff7700;font-weight:bold;">import</span> <span style="color: #66cc66;">*</span>
&nbsp;
<span style="color: #808080; font-style: italic;"># The data for the pie chart</span>
data = <span style="color: black;">&#91;</span><span style="color: #ff4500;">25</span>, <span style="color: #ff4500;">18</span>, <span style="color: #ff4500;">15</span>, <span style="color: #ff4500;">12</span>, <span style="color: #ff4500;">8</span>, <span style="color: #ff4500;">30</span>, <span style="color: #ff4500;">35</span><span style="color: black;">&#93;</span>
&nbsp;
<span style="color: #808080; font-style: italic;"># The labels for the pie chart</span>
labels = <span style="color: black;">&#91;</span><span style="color: #483d8b;">&quot;Labor&quot;</span>, <span style="color: #483d8b;">&quot;Licenses&quot;</span>, <span style="color: #483d8b;">&quot;Taxes&quot;</span>, <span style="color: #483d8b;">&quot;Legal&quot;</span>, <span style="color: #483d8b;">&quot;Insurance&quot;</span>, <span style="color: #483d8b;">&quot;Facilities&quot;</span>,
    <span style="color: #483d8b;">&quot;Production&quot;</span><span style="color: black;">&#93;</span>
&nbsp;
<span style="color: #808080; font-style: italic;"># Create a PieChart object of size 360 x 300 pixels</span>
c = PieChart<span style="color: black;">&#40;</span><span style="color: #ff4500;">360</span>, <span style="color: #ff4500;">300</span><span style="color: black;">&#41;</span>
&nbsp;
<span style="color: #808080; font-style: italic;"># Set the center of the pie at (180, 140) and the radius to 100 pixels, </span>
<span style="color: #808080; font-style: italic;"># 圆心(180,140) 半径:100px</span>
c.<span style="color: black;">setPieSize</span><span style="color: black;">&#40;</span><span style="color: #ff4500;">180</span>, <span style="color: #ff4500;">140</span>, <span style="color: #ff4500;">100</span><span style="color: black;">&#41;</span>
&nbsp;
<span style="color: #808080; font-style: italic;"># Set the pie data and the pie labels </span>
<span style="color: #808080; font-style: italic;"># 指定数据和标签</span>
c.<span style="color: black;">setData</span><span style="color: black;">&#40;</span>data, labels<span style="color: black;">&#41;</span>
&nbsp;
<span style="color: #808080; font-style: italic;"># Output the chart</span>
c.<span style="color: black;">makeChart</span><span style="color: black;">&#40;</span><span style="color: #483d8b;">&quot;simplepie.png&quot;</span><span style="color: black;">&#41;</span></pre></div></div>

<p>&nbsp;</p>
<p>简单吧!</p>
<p>&nbsp;</p>
]]></content:encoded>
			<wfw:commentRss>http://pwwang.com/2010/05/04/pychartdirector_note_4/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>庚寅思卿于汉</title>
		<link>http://pwwang.com/2010/02/25/%e5%ba%9a%e5%af%85%e6%80%9d%e5%8d%bf%e4%ba%8e%e6%b1%89/</link>
		<comments>http://pwwang.com/2010/02/25/%e5%ba%9a%e5%af%85%e6%80%9d%e5%8d%bf%e4%ba%8e%e6%b1%89/#comments</comments>
		<pubDate>Thu, 25 Feb 2010 02:55:49 +0000</pubDate>
		<dc:creator>pwwang</dc:creator>
				<category><![CDATA[Default]]></category>
		<category><![CDATA[心情]]></category>

		<guid isPermaLink="false">http://pwwang.com/?p=861</guid>
		<description><![CDATA[&#160;

我在荆楚卿在冠，

千里相思万里叹。

<span class="readmore"><a href="http://pwwang.com/2010/02/25/%e5%ba%9a%e5%af%85%e6%80%9d%e5%8d%bf%e4%ba%8e%e6%b1%89/" title="庚寅思卿于汉">Read More: 64 Words Totally</a></span>]]></description>
			<content:encoded><![CDATA[<p>&nbsp;</p>
<p>我在荆楚卿在冠，<br />
千里相思万里叹。<br />
旧时明月共婵娟，<br />
可奈今日何所堪？</p>
<p>时空转换心未散，<br />
世纪更叠缘难断。<br />
倘是春风不让贤，<br />
何时再绿江南岸？</p>
<p>&nbsp;</p>
]]></content:encoded>
			<wfw:commentRss>http://pwwang.com/2010/02/25/%e5%ba%9a%e5%af%85%e6%80%9d%e5%8d%bf%e4%ba%8e%e6%b1%89/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
	</channel>
</rss>

