hexa

import numpy as np

def gen_one_hexa_coord(self,r=float(1),orient= stack ):

    # 輸出指定半逕、方曏的以原點爲中心的六邊形坐標

    r = 1

    theta = np.arange(-30,390,60)

    if orient == hexagonal :

        #默認方曏爲stack

        theta = theta 30

    elif orient == stack :

        pass

    else:

        exit( usage: orient is hexagonal or stack )                

    print(theta)

    theta= theta/180*np.pi

    x = r*np.cos(theta)

    y = r*np.sin(theta)

    coord = list()

    for x1,y1 in zip(x,y):

        coord.append([x1,y1])

    return coord

def gen_multi_hexa_coord(self,center_coords):

    #調用上一個函數，生成中心(center)在不同位置的六邊形坐標

    for center in center_coords:

        print(gen_one_hexa_coord())

        return 0

print(ployone.gen_one_hexa_coord())

print(ployone.gen_multi_hexa_coord([1]))

from matplotlib.colors import ListedColormap, LinearSegmentedColormap

import numpy as np

from matplotlib.patches import Circle, Wedge, Polygon

from matplotlib.collections import PatchCollection

import matplotlib.pyplot as plt

fig, ax = plt.subplots()

resolution = 50 # the number of vertices

N = 3

patches = []

for i in range(5):

    #隨機生成的三角形，三個二維的數。

    polygon = Polygon(np.random.rand(3,2))

    print(polygon)

    patches.append(polygon)

print( patchs number is str(len(patches)))

colors=np.arange(0,len(patches))

#colors = 100 * np.random.rand(len(patches))

# bwr 與 coolwarm均可

#p = PatchCollection(patches, alpha=0.4,cmap=matplotlib.cm.coolwarm)

clist0=[ blue , white , red ]

clist1=[ green , white , magenta ]

newcmp0 = LinearSegmentedColormap.from_list( chaos ,clist0)

newcmp1 = LinearSegmentedColormap.from_list( chaos ,clist1)

p = PatchCollection(patches, alpha=0.4,cmap=newcmp1)

p.set_array(colors)

ax.add_collection(p)

fig.colorbar(p, ax=ax)

fig.show()

fig.savefig(fname= name.png )

fig.clf()