KLine3d
kds-plugin-document / Exports / KLine3d
Interface: KLine3d
KLine3d类代表三维空间的一条直线。 我们用一个点加一个向量来确定一条直。
The KLine3d class represents a line in 3d space.
Hierarchy
↳
KLine3d
Table of contents
Properties
Methods
- clone
- getClosestPoint
- getCurvatureVector
- getInterval
- getParam
- getPoint
- getType
- isEqual
- isPointOnCurve
- reverse
- transform
Properties
direction
• Readonly direction: KVector3d
获得直线的方向。
Get line's direction.
Defined in
api.d.ts:11109
origin
• Readonly origin: KPoint3d
获得直线的原点。
Get line's origin point
Defined in
api.d.ts:11103
Methods
clone
▸ clone(): KCurve3d
复制一个当前曲线。
Return the cloned curve of this.
Returns
复制的曲线。
The cloned curve.
Inherited from
Defined in
api.d.ts:8425
getClosestPoint
▸ getClosestPoint(point, tolerance?): KPoint3d
获得在指定容差下曲线上距离传入点最近的一点。
Get the closest point on curve for the input point with specified tolerance.
Parameters
| Name | Type | Description |
|---|---|---|
point | KPoint3d | 传入点。 The input point. |
tolerance? | number | 指定容差，默认容差是1e-6。 The specified tolerance.The default value is 1e-6. |
Returns
最近点。
The closest point.
Inherited from
Defined in
api.d.ts:8397
getCurvatureVector
▸ getCurvatureVector(point): KVector3d
求曲线上某点处的曲率向量。
Get curve's curvature vector for the input point on the curve.
Parameters
| Name | Type | Description |
|---|---|---|
point | KPoint3d | 曲线上一点。 A point on curve. |
Returns
曲率向量。 向量的模为曲率值，向量的方向为曲率方向。
A curvature vector. Its norm represents the curvature value. Its direction represents the curvature's direction.
Inherited from
Defined in
api.d.ts:8447
getInterval
▸ getInterval(): KInterval
获取曲线的参数域区间。
Get the parameter interval of the curve.
Returns
曲线的参数域区间。
The parameter interval of the curve.
Inherited from
Defined in
api.d.ts:8319
getParam
▸ getParam(point): number
反求输入点对应的曲线参数值。
Get point's corresponding parameter value on the curve.
Parameters
| Name | Type | Description |
|---|---|---|
point | KPoint3d | 曲线上的一点。 Point on curve |
Returns
number
输入点对应的曲线参数值。
The corresponding parameter of the point on curve.
Inherited from
Defined in
api.d.ts:8361
getPoint
▸ getPoint(t): KPoint3d
求曲线参数值对应的曲线上的点位置。
Get the point on the curve specified by the input parameter t.
Parameters
| Name | Type | Description |
|---|---|---|
t | number | 参数值 Parameter value |
Returns
曲线参数对应的曲线上的点。
The point on the curve for the input parameter.
Inherited from
Defined in
api.d.ts:8347
getType
▸ getType(): KCurve3dType
获得曲线的类型。
Get the curve's type.
Returns
曲线的类型。
The curve's type.
Inherited from
Defined in
api.d.ts:8309
isEqual
▸ isEqual(other, tolerance?): boolean
检查两个曲线在指定容差下是否相等。
Check whether two curves are equal with specified tolerance.
Parameters
| Name | Type | Description |
|---|---|---|
other | KCurve3d | 要比对的曲线。 The curve to compare this curve with. |
tolerance? | number | 指定容差，默认容差是1e-6。 The specified tolerance.The default value is 1e-6. |
Returns
boolean
如果相等返回true。
Return true if equal, otherwise return false.
Inherited from
Defined in
api.d.ts:8415
isPointOnCurve
▸ isPointOnCurve(point, tolerance?): boolean
检查传入点在指定容差下是否位于曲线上。
Check whether the input point is on the curve or not with specified tolerance.
Parameters
| Name | Type | Description |
|---|---|---|
point | KPoint3d | 传入点。 The input point. |
tolerance? | number | 指定容差，默认容差是1e-6。 The specified tolerance.The default value is 1e-6. |
Returns
boolean
如果在曲线上返回true。
Return true if on the curve, otherwise return false.
Inherited from
Defined in
api.d.ts:8379
reverse
▸ reverse(): void
把当前曲线反向。
reverse the current curve.
Returns
void
Inherited from
Defined in
api.d.ts:8431
transform
▸ transform(matrix): boolean
对当前曲线进行变换。
Transform this curve to a new one.
Parameters
| Name | Type | Description |
|---|---|---|
matrix | KMatrix4 | 变换矩阵。 The transform matrix. |
Returns
boolean
当执行正确的话，返回true。
Return true if successful, otherwise return false.
Inherited from
Defined in
api.d.ts:8333