情人节——爱心代码

import numpy as np

import matplotlib.pyplot as plt

x_coords = np.linspace(- 100, 100, 500)

y_coords = np.linspace(- 100, 100, 500)

points = []

for y in y_coords:

for x in x_coords:

if ((x* 0.03)** 2+(y* 0.03)** 2- 1)** 3-(x* 0.03)** 2*(y* 0.03)** 3 <= 0: # 引用公式

points.append({ "x": x, "y": y})

heart_x = list(map( lambda point: point[ "x"], points))

heart_y = list(map( lambda point: point[ "y"], points))

plt.scatter(heart_x, heart_y, s= 10, alpha= 0.5,c=range(len(heart_x)), cmap= 'cool')

plt.show()

#颜色

#autumn/spring/rainbow/cool/magma/Reds/viridis/gist_rainbow/

 

#values: Accent, Accent_r, Blues, Blues_r, BrBG, BrBG_r, BuGn, BuGn_r, BuPu,

#BuPu_r, CMRmap, CMRmap_r, Dark2, Dark2_r, GnBu, GnBu_r, Greens, Greens_r, Greys, Greys_r, OrRd, OrRd_r, Oranges, Oranges_r, PRGn, PRGn_r,

#Paired, Paired_r, Pastel1, Pastel1_r, Pastel2, Pastel2_r, PiYG, PiYG_r, PuBu, PuBuGn, PuBuGn_r, PuBu_r, PuOr, PuOr_r, PuRd, PuRd_r,

#Purples, Purples_r, RdBu, RdBu_r, RdGy, RdGy_r, RdPu, RdPu_r, RdYlBu, RdYlBu_r, RdYlGn, RdYlGn_r, Reds, Reds_r,Set1, Set1_r, Set2, Set2_r,

#Set3, Set3_r, Spectral, Spectral_r, Vega10, Vega10_r, Vega20, Vega20_r, Vega20b, Vega20b_r, Vega20c, Vega20c_r, Wistia, Wistia_r, YlGn,

#YlGnBu, YlGnBu_r, YlGn_r, YlOrBr, YlOrBr_r, YlOrRd, YlOrRd_r, afmhot, afmhot_r, autumn, autumn_r, binary, binary_r, bone, bone_r, brg,

#brg_r, bwr, bwr_r, cool, cool_r, coolwarm, coolwarm_r, copper, copper_r, cubehelix, cubehelix_r, flag, flag_r, gist_earth, gist_earth_r,

#gist_gray, gist_gray_r, gist_heat, gist_heat_r, gist_ncar, gist_ncar_r, gist_rainbow, gist_rainbow_r, gist_stern, gist_stern_r, gist_yarg,

#gist_yarg_r, gnuplot, gnuplot2, gnuplot2_r, gnuplot_r, gray, gray_r, hot, hot_r, hsv, hsv_r, inferno, inferno_r, jet, jet_r, magma,

# magma_r, nipy_spectral, nipy_spectral_r, ocean, ocean_r, pink, pink_r, plasma, plasma_r, prism, prism_r, rainbow, rainbow_r, seismic,

# seismic_r, spectral, spectral_r, spring, spring_r, summer, summer_r, tab10, tab10_r, tab20, tab20_r, tab20b, tab20b_r, tab20c, tab20c_r,

# terrain, terrain_r, viridis, viridis_r, winter, winter_r

情人节送给 情人一个爱心如何 试试吧 很有效的

首先下载 

pip install numpy

 

pip install matplotlib

 

在标紫的地方可以自定义颜色 上面有喜欢颜色的代码

plt.scatter(heart_x, heart_y, s=10, alpha=0.5,c=range(len(heart_x)), cmap='cool')