如何用turtle画svg图

使用Python中的turtle库可以绘制SVG图像。以下是步骤：

1. 导入turtle库

import turtle

2. 创建窗口并设置窗口大小

window = turtle.Screen()
window.setup(width=600, height=600)

3. 创建一个turtle对象并设置其属性

t = turtle.Turtle()
t.pensize(2)
t.speed(0)

4. 定义SVG路径，例如：

path = "M 100 100 L 150 150 L 200 100 L 150 50 L 100 100"

5. 将SVG路径转换为turtle命令

commands = path.split()
for i in range(len(commands)):
    if commands[i] == "M":  # 移动到指定点
        x = float(commands[i+1])
        y = float(commands[i+2])
        t.penup()
        t.goto(x, y)
        t.pendown()
    elif commands[i] == "L":  # 连线到指定点
        x = float(commands[i+1])
        y = float(commands[i+2])
        t.goto(x, y)

6. 完整代码：

import turtle

window = turtle.Screen()
window.setup(width=600, height=600)

t = turtle.Turtle()
t.pensize(2)
t.speed(0)

path = "M 100 100 L 150 150 L 200 100 L 150 50 L 100 100"
commands = path.split()
for i in range(len(commands)):
    if commands[i] == "M":
        x = float(commands[i+1])
        y = float(commands[i+2])
        t.penup()
        t.goto(x, y)
        t.pendown()
    elif commands[i] == "L":
        x = float(commands[i+1])
        y = float(commands[i+2])
        t.goto(x, y)

turtle.done()

运行以上代码将绘制一个菱形。