coordinate curve

基本解释

According to the actual demand of setting out of center pag, two methods on computing the center line coordinate in curve are advanced.
从线路放样的实际需要出发，提出了计算线路曲线段中桩测量坐标的切线坐标变换法和圆心坐标变换法两种计算方法。
This essay introduces a way and designing process of calculating any point coordinate and fixed long point coordinate on circular curve with curve radius.
介绍一种利用曲线半径计算圆曲线上任意点坐标和圆曲线上定长点坐标的方法以及具体测设过程。
There is also a similar quadraticCurveTo(cpx, cpy, x, y) method that takes a coordinate and a curve control point coordinate, but otherwise behaves similarly to lineTo().
还有一个类似的 quadraticCurveTo(cpx, cpy, x, y) 方法，该方法以一个坐标和一个曲线控制点坐标为参数，但是其行为类似于 lineTo()。