IDP.Math.KArc3d.getApproximatePointsBySagitta() method

对当前圆弧进行离散，保证相邻两点之间的弦高小于给定值。

Discretize the Arc to points with specified sagitta.

Signature:

getApproximatePointsBySagitta(sagitta?: number): KPoint3d[];

Links: getApproximatePointsBySagitta(sagitta?: number): KPoint3d[];

Parameters

Parameter	Type	Description
sagitta	number	(Optional) 相邻两点之间圆弧段的弦高。如果没有输入弦高值、输入值过小（<1.0e-6）或者过大（> Radius-1.0e-6），则默认会采用PI/60为刻度去离散圆弧。 The sagitta between two adjacent points. If sagitta is not provided or the value is too small(<1.0e-6) or big(> Radius-1.0e-6), then it will use step = PI/60 radians to discretize the arc.

Parameter

Type

Description

sagitta

number

(Optional) 相邻两点之间圆弧段的弦高。如果没有输入弦高值、输入值过小（<1.0e-6）或者过大（> Radius-1.0e-6），则默认会采用PI/60为刻度去离散圆弧。

The sagitta between two adjacent points. If sagitta is not provided or the value is too small(<1.0e-6) or big(> Radius-1.0e-6), then it will use step = PI/60 radians to discretize the arc.

Returns:

KPoint3d[]

离散点列。

The discretized points.

IDP.Math.KArc3d.getApproximatePointsBySagitta() method

Parameters​

Parameters