[Python Study Notes]气泡散点图绘制

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>>文件: 气泡散点图.py

>>作者: liu yang

>>邮箱: [email protected]

>>博客: www.cnblogs.com/liu66blog

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#!/usr/bin/env python

# -*- coding: utf-8 -*-

import sys, os

import matplotlib.pyplot as plt

import numpy as np

import random

# 气泡散点图 bubble

def scatterplot_bubble():

    N=80

    # 随机获取x<1的数字八十个

    x=np.random.rand(N)

    # 随机获取y<1的数字八十个

    y=np.random.rand(N)

    # 定义颜色的列表

    colors=['red','green','gray','purple','yellow','orange','blue']

    # 随机排列颜色

    random_colors=random.sample(colors,7)

    # 计算每个随机散点的大小

    area=np.pi * (np.random.rand(N)*10)**2

    # 绘制散点图

    plt.scatter(x,y,c=random_colors,s=area)

    # 显示绘制的图

    plt.show()

# /如果当前模块作为主模块运行

if __name__ == '__main__':

    plot=scatterplot_bubble()