You can also tailor ellipses using the ellipseMode function, which specifies whether the x,y location represents the corner (CORNER) or the center of the ellipse (CENTER).
还可以使用 ellipseMode 函数定制椭圆，它指定 x,y 位置是否代表了椭圆的角（CORNER）或中心（CENTER）。
Why trying squeeze a stair to some death corner just for the function of moving up and down only while leaving all other issues such as moving up an oversize furniture ?
为什么要尝试挤压像楼梯道一般的比较阴暗的角落，而这只是为了解决上下移动这个功能却遗留了像是移动大规格家具而产生的那些问题？
The form and function of the building corner are limited by the city planning, shaped by culture.
转角建筑的形态和功能受制于规划，并受到文化因素的影响。
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