利用python/R语言绘制圣诞树实例代码
作者:heianduck
圣诞节快到了,分别用R和Python绘制了圣诞树祝你们圣诞节快乐,所以下面这篇文章主要给大家介绍了关于如何利用python/R绘制圣诞树的相关资料,需要的朋友可以参考下
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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