利用python/R语言绘制圣诞树实例代码
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2022-03-18 21:09:45
目录pythonr语言总结圣诞节快到了，想着用python、r来画画圣诞树玩，就在网络上各种找方法，不喜勿喷哈~~python1、import turtle screen = turtle.scree...
圣诞节快到了，想着用python、r来画画圣诞树玩，就在网络上各种找方法，不喜勿喷哈~~
python
1、
import turtle
screen = turtle.screen()
screen.setup(800,600)
circle = turtle.turtle()
circle.shape('circle')
circle.color('red')
circle.speed('fastest')
circle.up()
square = turtle.turtle()
square.shape('square')
square.color('green')
square.speed('fastest')
square.up()
circle.goto(0,280)
circle.stamp()
k = 0
for i in range(1, 17):
y = 30*i
for j in range(i-k):
x = 30*j
square.goto(x,-y+280)
square.stamp()
square.goto(-x,-y+280)
square.stamp()
if i % 4 == 0:
x = 30*(j+1)
circle.color('red')
circle.goto(-x,-y+280)
circle.stamp()
circle.goto(x,-y+280)
circle.stamp()
k += 2
if i % 4 == 3:
x = 30*(j+1)
circle.color('yellow')
circle.goto(-x,-y+280)
circle.stamp()
circle.goto(x,-y+280)
circle.stamp()
square.color('brown')
for i in range(17,20):
y = 30*i
for j in range(3):
x = 30*j
square.goto(x,-y+280)
square.stamp()
square.goto(-x,-y+280)
square.stamp()
turtle.exitonclick()
2、
import random
height = 11
for i in range(height):
print(' ' * (height - i), end='')
for j in range((2 * i) + 1):
if random.random() < 0.1:
color = random.choice(['\033[1;31m', '\033[33m', '\033[1;34m'])
print(color, end='') # the lights
else:
print('\033[32m', end='') # green
print('*', end='')
print()
print((' ' * height) + '|')
3、
n = 50
from turtle import *
speed("fastest") #没有这一行，会very very慢
left(90)
forward(3*n)
color("orange", "yellow")
begin_fill()
left(126)
for i in range(5):
forward(n/5)
right(144)
forward(n/5)
left(72)
end_fill()
right(126)
color("dark green")
backward(n*4.8)
def tree(d, s):
if d <= 0: return
forward(s)
tree(d-1, s*.8)
right(120)
tree(d-3, s*.5)
right(120)
tree(d-3, s*.5)
right(120)
backward(s)
tree(15, n)
backward(n/2)
4、
def paintleaves(m):
for i in range(m):
if(i == 10):
print( ' '*(m-i) + '*'*( 2*i + 1-len( 'happy christmas')) + 'happy christmas'+ ' '*(m-i))
continue
if(i == 20):
print( ' '*(m-i) + '*'*( 2*i + 1-len( 'i love you')) +'i love you'+ ' '*(m-i))
continue
if(i == m-1):
print( ' '*(m-i) + 'liang yu'+ '*'*( 2*i + 1-len( 'liang yu')) + ' '*(m-i))
continue
print(' '*(m-i) + '*'*(2*i + 1) + ' '*(m-i))
def painttrunk(n):
for j in range (8 ):
print(' '*(n - 5) + '*'*10 + ' '*(n - 5))
paintleaves(25)
painttrunk(25)
5、
#!/usr/bin/env python
# coding:utf-8
import os
import sys
import platform
import random
import time
class ui(object):
def __init__(self):
os_name = platform.uname()[0]
self.is_win = os_name == 'windows'
self.is_mac = os_name == 'darwin'
print(os_name)
if self.is_win:
self.red = 0x0c
self.grey = 0x07
self.blue = 0x09
self.cyan = 0x0b
self.link = 0x30
self.black = 0x0
self.green = 0x0a
self.white = 0x0f
self.purple = 0x0d
self.yellow = 0x0e
else:
self.red = '\033[1;31m'
self.grey = '\033[38m'
self.blue = '\033[1;34m'
self.cyan = '\033[36m'
self.link = '\033[0;36;4m'
self.black = '\033[0m'
self.green = '\033[32m'
self.white = '\033[37m'
self.purple = '\033[35m'
self.yellow = '\033[33m'
self.p = self.win_print if self.is_win else self.os_print
def clear(self):
os.system('cls' if self.is_win else 'clear')
return self
def win_reset(self, color):
from ctypes import windll
handler = windll.kernel32.getstdhandle(-11)
return windll.kernel32.setconsoletextattribute(handler, color)
def win_print(self, msg, color, enter=true):
color = color or self.black
self.win_reset(color | color | color)
sys.stdout.write(('%s\n' if enter else '%s') % msg)
self.win_reset(self.red | self.green | self.blue)
return self
def os_print(self, msg, color, enter=true):
color = color or self.black
sys.stdout.write(
('%s%s%s\n' if enter else '%s%s%s') % (color, msg, self.black))
return self
def tree(ui, level=3):
a = range(0, (level + 1) * 4, 2)
b = list(a[0:2])
print(b)
for i in range(2, len(a) - 2, 2):
b.append(a[i])
b.append(a[i + 1])
b.append(a[i])
b.append(a[i + 1])
b.append(a[-2])
b.append(a[-1])
light = true
while true:
ui.clear()
ui.p(u'\t圣诞节快乐!\n\t\t\tliang yu.shi 2021', ui.red)
print
light = not light
lamp(ui, b, light)
for i in range(2, len(b)):
ui.p(
'%s/' % (' ' * b[len(b) - i - 1]), ui.green, enter=false)
neon(ui, 2 * b[i] + 1)
ui.p('\\', ui.green, enter=true)
time.sleep(1.2)
def neon(ui, space_len):
colors = [ui.red, ui.grey, ui.blue, ui.cyan, ui.yellow]
for i in range(space_len):
if random.randint(0, 16) == 5:
ui.p('o', colors[random.randint(0, len(colors) - 1)], enter=false)
else:
ui.p(' ', ui.red, enter=false)
def lamp(ui, tree_arr, light):
colors = [ui.white, ui.blue]
if not light:
colors.reverse()
ui.p(' ' * (tree_arr[-1] + 1), ui.black, enter=false)
ui.p('|', colors[1])
ui.p(' ' * tree_arr[-1], ui.black, enter=false)
ui.p('\\', colors[1], enter=false)
ui.p('|', colors[0], enter=false)
ui.p('/', colors[1])
ui.p(' ' * tree_arr[-2], ui.black, enter=false)
ui.p('-', colors[0], enter=false)
ui.p('-', colors[1], enter=false)
ui.p('=', colors[0], enter=false)
ui.p('o', colors[1], enter=false)
ui.p('=', colors[0], enter=false)
ui.p('-', colors[1], enter=false)
ui.p('-', colors[0], enter=true)
ui.p(' ' * tree_arr[-1], ui.black, enter=false)
ui.p('/', colors[1], enter=false)
ui.p('|', colors[0], enter=false)
ui.p('\\', colors[1])
ui.p(' ' * tree_arr[-2], ui.black, enter=false)
ui.p('/ ', ui.green, enter=false)
ui.p('|', colors[1], enter=false)
ui.p(' \\', ui.green, enter=true)
def main():
ui = ui()
max_rows = 4
tree(ui, max_rows)
main()
这个在使用python运行的时候，要用python2，python3的话，颜色是不会变的。 嗯，最起码我是这样的。
6、
import argparse
import os
import random
import time
ball = '⏺'
color = {
'blue': '\033[94m',
'yellow': '\033[93m',
'cyan': '\033[96m',
'green': '\033[92m',
'magenta': '\033[95m',
'white': '\033[97m',
'red': '\033[91m'
}
star = '★'
def random_change_char(string, value):
indexes = random.sample(range(0, len(string)), value)
string = list(string)
for idx in indexes:
if string[idx] != ' ' and string[idx] == '_':
string[idx] = ball
return ''.join(string)
def tree(height=13, screen_width=80):
star = (star, 3*star)
if height % 2 != 0:
height += 1
body = ['/_\\', '/_\_\\']
trunk = '[___]'
begin = '/'
end = '\\'
pattern = '_/'
j = 5
for i in range(7, height + 1, 2):
middle = pattern + (i - j) * pattern
line = ''.join([begin, middle[:-1], end])
body.append(line)
middle = middle.replace('/', '\\')
line = ''.join([begin, middle[:-1], end])
body.append(line)
j += 1
return [line.center(screen_width) for line in (*star, *body, trunk)]
def balls(tree):
for idx, _ in enumerate(tree[:-3], 2):
tree[idx] = random_change_char(tree[idx], len(tree[idx])//8)
return tree
def colored_stars_balls(tree):
for idx, _ in enumerate(tree):
string = list(tree[idx])
for pos, _ in enumerate(string):
if string[pos] == star:
string[pos] = ''.join([color['yellow'], star, '\033[0m'])
elif string[pos] == ball:
string[pos] = ''.join([random.choice(list(color.values())), ball, '\033[0m'])
tree[idx] = ''.join(string)
return tree
def cli():
parser = argparse.argumentparser(prog="python christmas tree by chico lucio from ciencia programada",
epilog="ctrl-c interrupts the christmas :-(")
parser.add_argument('-s', '--size', default=13, type=int,
help="tree height. if even it will be subtracted 1. if less than 7, considered 5. default: 13")
parser.add_argument('-w', '--width', default=80, type=int,
help="screen width. used to center the tree. default: 80")
parser.add_argument('-t', '--terminal', action='store_true',
help="uses the terminal size to center the tree. -s and -w will be ignored")
args = parser.parse_args()
if args.terminal:
screen_width, height = os.get_terminal_size()
height -= 2
else:
height = args.size
screen_width = args.width
while true:
try:
time.sleep(random.uniform(.1, 1))
os.system('cls' if os.name == 'nt' else 'clear')
print('\n'.join(colored_stars_balls(balls(tree(height, screen_width)))))
except keyboardinterrupt:
os.system('cls' if os.name == 'nt' else 'clear')
print(f"\n{'merry christmas!!':^{screen_width}}", end='\n\n')
break
if __name__ == '__main__':
cli()
来源：a simple terminal christmas tree made with python | pythonrepo
update:2021-12-23
import math
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import axes3d
fig = plt.figure(figsize=(8,8))
ax = fig.add_subplot(111, projection="3d")
def init():
k=300
z = [i for i in range(k)]
x = [math.cos(i/5)*(k-i) for i in range(k)]
y = [math.sin(i/5)*(k-i) for i in range(k)]
ax.scatter(x,y,z, c="green", marker="^")
step = 3
c = [(i/k,abs(0.5-i/k),i/k) for i in range(1,k,step)]
z = [i for i in range(1,k,step)]
x = [math.cos(i/5+2)*(k-i+10) for i in range(1,k,step)]
y = [math.sin(i/5+2)*(k-i+10) for i in range(1,k,step)]
ax.scatter(x,y,z, c=c, marker="o",s=40)
plt.xlim(-500,500)
plt.ylim(-500,500)
return fig,
def animate(f):
fig.clear()
ax = fig.add_subplot(111, projection="3d")
k=300
z = [i for i in range(k)]
x = [math.cos(i/5+f/10)*(k-i) for i in range(k)]
y = [math.sin(i/5+f/10)*(k-i) for i in range(k)]
ax.scatter(x,y,z, c="green", marker="^")
step = 3
c = [(i/k,abs(0.5-i/k),i/k) for i in range(1,k,step)]
z = [i for i in range(1,k,step)]
x = [math.cos(i/5+2+f/10)*(k-i+10) for i in range(1,k,step)]
y = [math.sin(i/5+2+f/10)*(k-i+10) for i in range(1,k,step)]
ax.scatter(x,y,z, c=c, marker="o",s=40)
plt.xlim(-500,500)
plt.ylim(-500,500)
return fig,
ani=animation.funcanimation(fig, animate, init_func=init,
frames=90, interval=50, blit=true)
ani.save("christmas_tree.mp4")
来源：https://medium.com/analytics-vidhya/how-to-draw-a-3d-christmas-tree-with-matplotlib-aabb9bc27864
r语言
1、
l <- matrix(c(0.03,0,0,0.1,0.85,0.00,0.00,0.85,0.8,0.00,0.00,0.8,0.2,-0.08,0.15, 0.22, -0.2,0.08,0.15, 0.22,0.25, -0.1,0.12, 0.25,-0.2,0.1,0.12, 0.2),nrow=4)
b <- matrix(c(0,0,0,1.5,0,1.5,0,0.85,0,0.85,0,0.3,0, 0.4),nrow=2)
prob = c(0.02, 0.6,.08, 0.07, 0.07, 0.07, 0.07)
n = 1e5
x = matrix(na,nrow=2,ncol=n)
x[,1] = c(0,2)
k <- sample(1:7,n,prob,replace=true)
for(i in 2:n)
{
x[,i] = crossprod(matrix(l[,k[i]],nrow=2),x[,i-1]) + b[,k[i]]
}
par(bg='black',mar=rep(0,4))
plot(x=x[1,],y=x[2,],col=grep('green',colors(),value=true),axes=false,cex=.1, xlab='', ylab='',pch='.')
bals <- sample(n,20)
points(x=x[1,bals],y=x[2,bals]-.1,col=c('red','blue','yellow','orange'),cex=1.5,pch=19)
text(x=-.7,y=8, labels='liangyushi', adj=c(.5,.5), srt=35,
vfont=c('script','plain'),cex=3,col='gold' )
text(x=0.7,y=8,labels='merry christmas',adj=c(.5,.5),srt=-35,
vfont=c('script','plain'),cex=3, col='gold' )
text(x=-0.6,y=0,cex=0.8,labels="by jimmy wu", col="white")
2、
par(bg='black',mar=rep(0,4))
plot(1:10,1:10,xlim=c(-5,5),ylim=c(0,10),type="n",xlab="",ylab="",xaxt="n",yaxt="n")
rect(-1,0,1,2,col="tan3",border="tan4",lwd=3)
polygon(c(-5,0,5),c(2,4,2),col="palegreen3",border="palegreen4",lwd=3)
polygon(c(-4,0,4),c(3.5,5.5,3.5),col="palegreen4",border="palegreen3",lwd=3)
polygon(c(-3,0,3),c(5,6.5,5),col="palegreen3",border="palegreen4",lwd=3)
polygon(c(-2,0,2),c(6.25,7.5,6.25),col="palegreen4",border="palegreen3",lwd=3)
points(x=runif(4,-5,5),y=rep(2,4),col=sample(c("blue","red"),size=4,replace=t),cex=3,pch=19)
points(x=runif(4,-4,4),y=rep(3.5,4),col=sample(c("blue","red"),size=4,replace=t),cex=3,pch=19)
points(x=runif(4,-3,3),y=rep(5,4),col=sample(c("blue","red"),size=4,replace=t),cex=3,pch=19)
points(x=runif(4,-2,2),y=rep(6.25,4),col=sample(c("blue","red"),size=4,replace=t),cex=3,pch=19)
points(0,7.5,pch=8,cex=5,col="gold",lwd=3)
xpres = runif(10,-4.5,4.5)
xwidth = runif(10,0.1,0.5)
xheight=runif(10,0,1)
for(i in 1:10){
rect(xpres[i]-xwidth[i],0,xpres[i]+xwidth[i],xheight[i],col=sample(c("blue","red"),size=1))
rect(xpres[i]-0.2*xwidth[i],0,xpres[i]+0.2*xwidth[i],xheight[i],col=sample(c("gold","grey87"),size=1))
}
后面再找到好玩的，好看的，会更新在这里~
总结
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