如何用 python pygal 显示半个饼图

问题描述 投票：0回答：1

在带有 pygal 的 python 中，如何用 

pie_chart = pygal.Pie()
显示半个饼图？

我已输入代码

import pygal
pie_chart = pygal.Pie()

但我需要在

pygal.Pie()
中添加一些代码以仅显示半个饼图。我应该输入什么？

python pygal
1个回答
0
投票

阅读 Pie 文档，其中有一个示例。

演示：

import pygal
import os

pie = pygal.Pie(half_pie=True)
pie.title = 'Demo'
pie.add('A', 10)
pie.add('B', 20)
with open('out.html', 'wb') as f:
    f.write(pie.render())
os.startfile('out.html')

输出：

<?xml version='1.0' encoding='utf-8'?>
<svg xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" id="chart-6ca5e287-67c2-470c-8f8a-44527c806d73" class="pygal-chart" viewBox="0 0 800 600"><!--Generated with pygal 3.0.5 (etree) ©Kozea 2012-2016 on 2024-09-30--><!--http://pygal.org--><!--http://github.com/Kozea/pygal--><defs><style type="text/css">#chart-6ca5e287-67c2-470c-8f8a-44527c806d73{-webkit-user-select:none;-webkit-font-smoothing:antialiased;font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .title{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:16px}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .legends .legend text{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:14px}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis text{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:10px}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis text.major{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:10px}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .text-overlay text.value{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:16px}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .text-overlay text.label{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:10px}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:14px}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 text.no_data{font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:64px}
#chart-6ca5e287-67c2-470c-8f8a-44527c806d73{background-color:rgba(249,249,249,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 path,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 line,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 rect,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 circle{-webkit-transition:150ms;-moz-transition:150ms;transition:150ms}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .graph &gt; .background{fill:rgba(249,249,249,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .plot &gt; .background{fill:rgba(255,255,255,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .graph{fill:rgba(0,0,0,.87)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 text.no_data{fill:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .title{fill:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .legends .legend text{fill:rgba(0,0,0,.87)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .legends .legend:hover text{fill:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis .line{stroke:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis .guide.line{stroke:rgba(0,0,0,.54)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis .major.line{stroke:rgba(0,0,0,.87)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis text.major{fill:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.y .guides:hover .guide.line,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .line-graph .axis.x .guides:hover .guide.line,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .stackedline-graph .axis.x .guides:hover .guide.line,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .xy-graph .axis.x .guides:hover .guide.line{stroke:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis .guides:hover text{fill:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .reactive{fill-opacity:.7;stroke-opacity:.8;stroke-width:1}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .ci{stroke:rgba(0,0,0,.87)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .reactive.active,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .active .reactive{fill-opacity:.8;stroke-opacity:.9;stroke-width:4}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .ci .reactive.active{stroke-width:1.5}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .series text{fill:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip rect{fill:rgba(255,255,255,1);stroke:rgba(0,0,0,1);-webkit-transition:opacity 150ms;-moz-transition:opacity 150ms;transition:opacity 150ms}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip .label{fill:rgba(0,0,0,.87)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip .label{fill:rgba(0,0,0,.87)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip .legend{font-size:.8em;fill:rgba(0,0,0,.54)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip .x_label{font-size:.6em;fill:rgba(0,0,0,1)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip .xlink{font-size:.5em;text-decoration:underline}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .tooltip .value{font-size:1.5em}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .bound{font-size:.5em}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .max-value{font-size:.75em;fill:rgba(0,0,0,.54)}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .map-element{fill:rgba(255,255,255,1);stroke:rgba(0,0,0,.54) !important}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .map-element .reactive{fill-opacity:inherit;stroke-opacity:inherit}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .color-0,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .color-0 a:visited{stroke:#F44336;fill:#F44336}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .color-1,#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .color-1 a:visited{stroke:#3F51B5;fill:#3F51B5}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .text-overlay .color-0 text{fill:black}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .text-overlay .color-1 text{fill:black}
#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 text.no_data{text-anchor:middle}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .guide.line{fill:none}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .centered{text-anchor:middle}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .title{text-anchor:middle}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .legends .legend text{fill-opacity:1}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.x text{text-anchor:middle}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.x:not(.web) text[transform]{text-anchor:start}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.x:not(.web) text[transform].backwards{text-anchor:end}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.y text{text-anchor:end}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.y text[transform].backwards{text-anchor:start}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.y2 text{text-anchor:start}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .axis.y2 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.gauge-background{fill:rgba(229,229,229,1);stroke:none}#chart-6ca5e287-67c2-470c-8f8a-44527c806d73 .bg-lines{stroke:rgba(249,249,249,1);stroke-width:2px}</style><script type="text/javascript">window.pygal = window.pygal || {};window.pygal.config = window.pygal.config || {};window.pygal.config['6ca5e287-67c2-470c-8f8a-44527c806d73'] = {"allow_interruptions": false, "box_mode": "extremes", "classes": ["pygal-chart"], "css": ["file://style.css", "file://graph.css"], "defs": [], "disable_xml_declaration": false, "dots_size": 2.5, "dynamic_print_values": false, "explicit_size": false, "fill": false, "force_uri_protocol": "https", "formatter": null, "half_pie": true, "height": 600, "include_x_axis": false, "inner_radius": 0, "interpolate": null, "interpolation_parameters": {}, "interpolation_precision": 250, "inverse_y_axis": false, "js": ["//kozea.github.io/pygal.js/2.0.x/pygal-tooltips.min.js"], "legend_at_bottom": false, "legend_at_bottom_columns": null, "legend_box_size": 12, 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class="slice reactive tooltip-trigger" /><desc class="value">20</desc><desc class="x centered">446.8799999999999</desc><desc class="y centered">285.03326971474644</desc></g></g></g></g><g class="titles"><text x="400.0" y="26" class="title plot_title">Demo</text></g><g transform="translate(50, 46)" class="plot overlay"><g class="series serie-0 color-0" /><g class="series serie-1 color-1" /></g><g transform="translate(50, 46)" class="plot text-overlay"><g class="series serie-0 color-0" /><g class="series serie-1 color-1" /></g><g transform="translate(50, 46)" class="plot tooltip-overlay"><g transform="translate(0 0)" style="opacity: 0" class="tooltip"><rect rx="0" ry="0" width="0" height="0" class="tooltip-box" /><g class="text" /></g></g><g transform="translate(10, 56)" class="legends"><g id="activate-serie-0" class="legend reactive activate-serie"><rect x="0.0" y="1.0" width="12" height="12" class="color-0 reactive" /><text x="17.0" y="11.2">A</text></g><g id="activate-serie-1" class="legend reactive activate-serie"><rect x="0.0" y="22.0" width="12" height="12" class="color-1 reactive" /><text x="17.0" y="32.2">B</text></g></g><g transform="translate(790, 56)" class="legends" /></g></svg>

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