今日思惟導圖整理dom
# -*- coding:utf-8 -*- # ====#====#====#====#====#====#====#====#==== # @Time : 2020/4/4 11:30 # @Author : Alex_Dong # @Email : 1220274707@qq.com # @HomePage:https://www.cnblogs.com/xied/ # @File : 演示文件.py # @Software: PyCharm # ====#====#====#====#====#====#====#====#==== # import matplotlib # 繪製一條直線 import matplotlib.pyplot as plt x = range(2, 27, 2) y = [15, 13, 14, 5, 17, 20, 25, 26, 27, 25, 22, 18, 15] # plt.plot(x,y) # plt.show() # plt.title('這是折線圖的標題') # 設置大小,高寬及像素dpi # fig=plt.figure(figsize=(20,8),dpi=100) # figsize接收一個元組,表示圖片的高和寬,單位是英寸 # DPI分辨率,表明了每一英寸有多少像素,默認80 # plt.plot(x,y) # plt.show() # 保存圖片 # fig.savefig('./pic/test_png.png') # 能夠保存爲SVG這種矢量圖格式,放大之後不會有鋸齒 # fig.savefig("./pic/test_svg.svg") # X軸和Y軸的調整和設置中文 # plt.plot(x,y) # x軸的刻(度) # plt.xticks(x) # plt.yticks(y) # plt.show() # import random # import matplotlib as mpl # # 設置中文格式'仿宋' # mpl.rcParams['font.sans-serif'] = ['FangSong'] # mpl.rcParams['font.size'] = 16 # # y = [random.randint(15, 35) for i in range(10)] # x = list(range(10)) # fig = plt.figure(figsize=(20, 8)) # plt.plot(x, y) # xlable = ['10點{}分'.format(i) for i in range(60)] # xlable += ['11點{}分'.format(i) for i in range(60)] # # #添加描述 # plt.xlabel('時間',color='red',fontdict={'fontsize':20}) # plt.ylabel('溫度') # #設置標題 # plt.title('某日10點到12點間的溫度變化狀況') # #添加網格 # plt.grid(alpha=0.1) # # plt.xticks(x[::1], xlable[::12], rotation=45) # plt.yticks(y) # plt.show() # fig.savefig('./pic/fansong_text_png.png') import numpy as np import matplotlib.pyplot as plt plt.figure(1) # 建立圖表1 plt.figure(2) # 建立圖表2 ax1 = plt.subplot(211) # 在圖表2中建立子圖1 ax2 = plt.subplot(212) # 在圖表2中建立子圖2 x = np.linspace(0, 3, 100) for i in range(5): plt.figure(1) # ❶ # 選擇圖表1 plt.plot(x, np.exp(i * x / 3)) plt.sca(ax1) # ❷ # 選擇圖表2的子圖1 plt.plot(x, np.sin(i * x)) plt.sca(ax2) # 選擇圖表2的子圖2 plt.plot(x, np.cos(i * x)) plt.show()
# -*- coding:utf-8 -*- # ====#====#====#====#====#====#====#====#==== # @Time : 2020/4/4 14:05 # @Author : Alex_Dong # @Email : 1220274707@qq.com # @HomePage:https://www.cnblogs.com/xied/ # @File : 散點圖.py # @Software: PyCharm # ====#====#====#====#====#====#====#====#==== import matplotlib.pyplot as plt import matplotlib as mpl # 設置中文說明'仿宋'字體 mpl.rcParams['font.sans-serif'] = ['FangSong'] # 用來正常顯示中文標籤 mpl.rcParams['font.size'] = 16 x_3 = list(range(1, 32)) y_3 = [10, 16, 17, 14, 12, 10, 12, 6, 6, 7, 8, 9, 12, 15, 15, 17, 18, 21, 16, 16, 20, 13, 15, 15, 15, 18, 20, 22, 22, 22, 24] x_10 = [i + 50 for i in x_3] y_10 = [26, 26, 28, 19, 21, 17, 16, 19, 18, 20, 20, 19, 22, 23, 17, 20, 21, 20, 22, 15, 11, 15, 5, 13, 17, 10, 11, 13, 12, 13, 6] fig = plt.figure(figsize=(15, 8)) plt.scatter(x_3, y_3, label='三月份') plt.scatter(x_10, y_10, label='十月份') # 設置軸刻度 # 集合 y = set(y_3 + y_10) min_y = min(y) max_y = max(y) plt.yticks(range(min_y, max_y + 1)) # x軸 x = x_3 + x_10 x_lables = ['3月{}日'.format(i) for i in range(1, 32)] + ['10月{}日'.format(i) for i in range(1, 32)] plt.xticks(x[::2], x_lables[::2], rotation=45) plt.xlabel('日期') plt.ylabel('溫度(C)') plt.title('武漢市2019年3月份到10月份的氣溫變化趨勢圖') #添加網格 plt.grid(alpha=0.3) # 設置圖例 plt.legend() plt.show() fig.savefig('./pic/散點圖.png')
# -*- coding:utf-8 -*- # ====#====#====#====#====#====#====#====#==== # @Time : 2020/4/4 19:52 # @Author : Alex_Dong # @Email : 1220274707@qq.com # @HomePage:https://www.cnblogs.com/xied/ # @File : 條形圖.py # @Software: PyCharm # ====#====#====#====#====#====#====#====#==== import matplotlib.pyplot as plt import matplotlib as mpl # 設置中文 mpl.rcParams['font.sans-serif'] = ['FangSong'] # 用來正常顯示中文標籤 mpl.rcParams['font.size'] = 16 # 設置字體大小 # 構建座標 movies = x = ['哪吒之魔童降世', '流浪地球', '復仇者聯盟4:終局之戰', '瘋狂的外星人', '飛馳人生', '烈火英雄', '速度與激情:特別行動', '蜘蛛俠:英雄遠征', '掃毒2天地對決', '大黃蜂', '驚奇隊長', '比悲傷更悲傷的故事', '哥斯拉2:怪獸之王', '阿麗塔:戰鬥天使', '銀河補習班', '獅子王', '反貪風暴4 ', '熊出沒·原始時代', '使徒行者2:諜影行動', '大偵探皮卡丘'] y = [49.04, 46.18, 42.05, 21.83, 17.03, 16.74, 14.16, 14.01, 12.85, 11.38, 10.25, 9.46, 9.27, 8.88, 8.64, 8.23, 7.88, 7.09, 6.92, 6.34] x = range(len(movies)) # 設置容器 fig = plt.figure(figsize=(20, 8), dpi=100) # 繪圖 plt.barh(x, y, ) # 設置軸刻度 plt.xticks(x, rotation=90) plt.xlabel('電影名稱') plt.ylabel('電影票房') plt.title('2019年電影的票房') # 設置網格 plt.grid(alpha=0.3) # 設置圖例 # plt.legend() # 顯示 plt.show() # 儲存 fig.savefig('./pic/條形圖.png')
# -*- coding:utf-8 -*- # ====#====#====#====#====#====#====#====#==== # @Time : 2020/4/4 20:47 # @Author : Alex_Dong # @Email : 1220274707@qq.com # @HomePage:https://www.cnblogs.com/xied/ # @File : 繪製多圖表.py # @Software: PyCharm # ====#====#====#====#====#====#====#====#==== import numpy as np import matplotlib.pyplot as plt fig = plt.figure(2,figsize=(20, 8), dpi=100) # fig = plt.figure(5,figsize=(20, 8), dpi=100) # fig_1 = plt.figure(1) # 建立圖表1 # fig_2 = plt.figure(2) # 建立圖表2 # ax1 = plt.subplot(211) # 在圖表2中建立子圖1 # ax2 = plt.subplot(212) # 在圖表2中建立子圖2 ax1 = fig.add_subplot(211) ax2 = fig.add_subplot(212) x = np.linspace(0, 3, 100) for i in range(5): plt.figure(1) # ❶ # 選擇圖表1 plt.plot(x, np.exp(i * x / 3)) plt.sca(ax1) # ❷ # 選擇圖表2的子圖1 plt.plot(x, np.sin(i * x)) plt.sca(ax2) # 選擇圖表2的子圖2 plt.plot(x, np.cos(i * x)) # plt.show() fig.show() # fig.savefig('./pic/繪製多圖表.png') # fig.savefig("./pic/test.pdf")
# -*- coding:utf-8 -*- # ====#====#====#====#====#====#====#====#==== # @Time : 2020/4/4 13:59 # @Author : Alex_Dong # @Email : 1220274707@qq.com # @HomePage:https://www.cnblogs.com/xied/ # @File : 一個圖中畫多個圖.py # @Software: PyCharm # ====#====#====#====#====#====#====#====#==== import matplotlib.pyplot as plt import matplotlib as mpl # 設置中文 mpl.rcParams['font.sans-serif'] = ['FangSong'] # 用來正常顯示中文標籤 mpl.rcParams['font.size'] = 16 # 設置字體大小 # 構建座標 # x軸表示年齡,Y軸表示個數 x = range(11, 31) y_self = [1, 0, 1, 1, 2, 4, 3, 2, 3, 4, 4, 5, 6, 5, 4, 3, 3, 1, 1, 1] y_d = [1, 0, 3, 1, 2, 2, 3, 3, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] # 建立容器 fig = plt.figure(figsize=(20, 8)) # 畫圖 plt.plot(x, y_self, label='本身', color='black', linestyle='-.') plt.plot(x, y_d, label='同桌') # 設置刻度 x_lables = ['{}歲'.format(i) for i in x] plt.xticks(x, x_lables) # 設置標籤 plt.xlabel('年齡') plt.ylabel('個數') plt.title('我和同桌曆年的個數對比') # 設置了圖例必定要加上這句話 plt.legend() plt.grid(alpha=0.3) # 標記點 plt.annotate('最高點', xy=(23, 6), xytext=(24, 6), arrowprops={'arrowstyle': '<->'}) plt.show() fig.savefig('./pic/一張圖畫多個.png')
# -*- coding:utf-8 -*- # ====#====#====#====#====#====#====#====#==== # @Time : 2020/4/4 21:29 # @Author : Alex_Dong # @Email : 1220274707@qq.com # @HomePage:https://www.cnblogs.com/xied/ # @File : pylib.py # @Software: PyCharm # ====#====#====#====#====#====#====#====#==== import numpy as np import pylab as pl x = [1, 2, 3, 4, 5] # Make an array of x values y = [1, 4, 9, 16, 25] # Make an array of y values for each x value # pl.plot(x, y) # use pylab to plot x and y 直接畫是線段 # pl.plot(x, y, 'o') #變成散點 pl.plot(x, y, 'or') #散點變爲紅色 pl.show() # show the plot on the screen