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matplotlibで色をグラデーション的に選択

Last updated at Posted at 2016-11-07
  • いちいち変えるの面倒だけどパラメータが多い
  • グラデーション的に変えたい
import matplotlib.pyplot as plt
import matplotlib.cm as cm
import numpy as np
x =np.linspace(0,2*np.pi,100)
for i in range(30):   
    plt.plot(x,i*np.sin(x),color=cm.hsv(i/30.0))
plt.xlim(0,2*np.pi)
plt.savefig("cm.png")
plt.show()

色の参考にcmリスト

  • さっきのcm.hogeの所を色々変えてみたものを図示
  • [0,1]のグラデーションになっていて,一番平らなのが0,盛り上がっているのが1

可視化の参考にどうぞ

王道カラフル系

  • hsv

hsv.png

  • jet

jet.png

  • spectral

spectral.png

単色濃淡(っぽい)

  • bone

bone.png

  • gray

gray.png

  • pink

pink.png

  • copper

copper.png

複数色グラデーション系

  • cool

cool.png

  • hot

hot.png

季節の色たち

  • spring

spring.png

  • summer

summer.png

  • autumn

autumn.png

  • winter

winter.png

グラデーションにならない系

  • flag

flag.png

  • prism

prism.png

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