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This article mainly shows you "how to use Python pyecharts to draw a pie chart", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "how to use Python pyecharts to draw a pie chart" this article.

A brief introduction to the syntax of pyecharts pie chart

The pie chart is mainly used to show the proportion of different categories of data in the sum. Each Radian is not a percentage of the amount of data.

The usage of the pie.add () method

Add (name, attr, value

Radius=None

Center=None

Rosetype=None, * * kwargs)

Name- > str legend name

Attr- > list attribute name

The value corresponding to the value- > list attribute

Radius- > the radius of the list pie chart. The first term of the array is the inner radius, and the second term is the outer radius. The default is [0BI 75].

The default setting is a percentage, relative to half of the smaller item in the height and width of the container

Center- > the center coordinate of the pie chart. The first item of the array is Abscissa, and the second term is ordinate. The default is [50.50]

The default setting is percentage. When set to percentage, the first item is relative to the height of the container, and the second is also relative to the height of the container.

Rosetype- > str

Whether it is displayed as a Nightingale map. The data size is distinguished by the radius, and there are two modes: radius and area. Default is radius

Radius: the percentage of the data in the center corner of the sector, and the size of the data in the radius

Area: all sectors have the same center angle, showing the data size only by radius

Second, draw an ordinary pie chart

Attr = ["shirt", "cardigan", "chiffon shirt", "trousers", "high heels", "socks"] v1 = [11, 12, 13, 10, 10, 10] pie1 = Pie ("pie chart example") pie1.add (", attr, v1, is_label_show=True,center= [50Magne50]) page.add (pie1)

Third, draw the circle diagram

Attr = ["shirt", "cardigan", "chiffon shirt", "trousers", "high heels", "socks"] v1 = [11, 12, 13, 10, 10, 10] pie2 = Pie ("pie chart-circle chart example", title_pos='center') pie2.add ("", attr, v1, radius= [40,75], label_text_color=None, is_label_show=True, legend_orient= "vertical" Legend_pos= "left",) page.add (pie2)

Fourth, draw pie chart-rose chart

Attr = ["shirt", "cardigan", "chiffon shirt", "trousers", "high heels", "socks"] v1 = [11, 12, 13, 10, 10, 10] v2 = [19, 21, 32, 20, 20, 33] pie3 = Pie ("pie chart-rose chart example") pie3.add ("Commodity A", attr, v1, is_random=True, rosetype= "radius", is_label_show=True ) page.add (pie3) attr = ["shirt", "cardigan", "chiffon shirt", "trousers", "high heels", "socks"] v1 = [11, 12, 13, 10, 10, 10] v2 = [19, 21, 32, 20, 20, 33] pie4 = Pie ("pie chart-rose chart example") pie4.add ("Commodity B", attr, v2, # center= [75, 50], is_random=True # radius= [30,75], rosetype= "area", is_legend_show=True, is_label_show=True,) page.add (pie4)

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