A simple graphical algorithm, first draw a rectangle, and then draw lines, rectangle outside the lines to be intercepted.
基于1个网页-相关网页
After drawing both axes, you draw the gridlines along with their labels by evenly spacing them and then drawing the lines using the same combination of moveTo, lineTo, and stroke.
绘制水平和垂直轴线后，沿着它们的标签绘制网格线，方法是均匀间隔它们，然后使用相同的moveTo、lineTo和stroke组合来绘制这些直线。
Turn off all snapping and enable face snapping. Then you can just start draw all the lines on the mesh.
将所有的拍摄关闭并使用正面拍摄，然后你就可以开始将网状图的所有都画出来了。
Observe the snail and their special 'home'. Then use simple lines to draw some snails.
观察过蜗牛之后，认识其家是个螺旋状的壳，然后以简单线条画出大小不同的蜗牛。
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