Python乌龟图
有人能帮我整理一下图表吗。当我绘制y轴时,我希望整数四舍五入到最接近的百分之一。此外,在每个条下,我需要标记“a”-“z”:总共26条:Python乌龟图,python,python-3.x,turtle-graphics,Python,Python 3.x,Turtle Graphics,有人能帮我整理一下图表吗。当我绘制y轴时,我希望整数四舍五入到最接近的百分之一。此外,在每个条下,我需要标记“a”-“z”:总共26条: def letterFreqPlot(freqList): border = 5 t = turtle.Turtle() t.pensize(3) screen = t.getscreen() maxheight = max(freqList) numbers = len(freqList) sc
def letterFreqPlot(freqList):
border = 5
t = turtle.Turtle()
t.pensize(3)
screen = t.getscreen()
maxheight = max(freqList)
numbers = len(freqList)
screen.setworldcoordinates(0-border,-.05,numbers+1,maxheight+.1)
t.goto(0,0)
t.hideturtle()
t.speed(0)
t.lt(90)
t.fd(maxheight)
t.fd(-maxheight)
t.right(90)
for item in freqList:
t.fillcolor("blue")
t.begin_fill()
for dist in [1, item, 1, item]:
t.fd(dist)
t.lt(90)
t.fd(1)
t.end_fill()
t.goto(0,0)
t.lt(90)
for i in freqList:
t.fd(i)
t.lt(90)
t.fd(3)
t.write(float(i))
t.fd(-3)
t.rt(90)
t.fd(-i)
print('Click to exit')
screen.exitonclick()
freqList = letterFreq(words)
letterFreqPlot(freqList)
频率列表:
0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0、0.0 0、0.0、0.0、0.0、0.0.0 0 0.0 0 0 0 0 0.0、0.0.04545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545456、0、0.0.0.045454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545 5 5 5 5、0 0 0.0 0 0.0 0 5456,0.0,0.0,0.0]
下面是我尝试将您想要的特征添加到图形中,以及稍微优化绘图代码并添加特征的过程:
from turtle import Turtle, Screen
BORDER = 5
FONT = ("Arial", 12, "normal")
FLOAT_FORMAT = "0.2f"
PENSIZE = 3
def letterFrequency(string):
counter = dict()
length = ord('z') - ord('a') + 1
for ordinal in range(length):
counter[chr(ordinal + ord('a'))] = 0
count = 0
for character in string:
if character.isalpha():
counter[character] += 1
count += 1
return [counter[key] / count for key in sorted(counter)]
def letterFreqPlot(turtle, canvas, string):
turtle.pensize(PENSIZE)
frequencyList = letterFrequency(string)
maxheight = max(frequencyList)
numbers = len(frequencyList)
canvas.setworldcoordinates(-BORDER, -.05, numbers + 1, maxheight + 0.1)
turtle.hideturtle()
for frequency in sorted(set(frequencyList)):
turtle.penup()
turtle.home()
turtle.lt(90)
turtle.pendown()
turtle.forward(frequency)
turtle.left(90)
turtle.forward(3)
turtle.write(format(frequency, FLOAT_FORMAT), font=FONT)
turtle.penup()
turtle.home()
turtle.sety(-0.0125)
for i, frequency in enumerate(frequencyList):
turtle.forward(0.5)
turtle.write(chr(ord('a') + i), font=FONT)
turtle.forward(0.5)
turtle.home()
turtle.goto(len(frequencyList) / 2, -0.025)
turtle.write(string, align="center", font=FONT)
turtle.home()
turtle.fillcolor("blue")
turtle.pendown()
for frequency in frequencyList:
if frequency > 0.0:
turtle.begin_fill()
for distance in [1, frequency] * 2:
turtle.forward(distance)
turtle.left(90)
turtle.end_fill()
turtle.forward(1)
yertle = Turtle()
yertle.speed("fastest")
screen = Screen()
letterFreqPlot(yertle, screen, "an opportunity to teach is an opportunity to learn")
screen.exitonclick()
我使用turtle.home()
重置起点和方向,而不是让绘图代码回溯太多。为了好玩,我还添加了一个简单的letterFrequency()
代码模拟。我收集了许多常数,但沿着这些线还有更多的工作要做
顺便说一句,你的例子是我见过的最好的
setworldcordinations()
。整数舍入到最接近的百分之一还不清楚。你是说浮动?我想你的频率表应该是原始计数。如果将.045四舍五入为.04或.05,is将不再像现在那样精确地为.09的一半。如果在阅读文档后需要turtle.write方法的帮助,请查看编写文本的turtledemo示例,例如时钟演示中的tick()函数。