步骤3：您想在哪儿进行绘图？

Step 3: Where do you want to plot?

youdao

这样就可以选择我们要在什么东西上进行绘图。

In this way you can select what we want to paint on.

youdao

一旦创建好这个图形，就可以使用它实际在画布上进行绘图。

Once you have created this graph, you can use it later to actually start drawing figures on a canvas.

youdao