Question

mxcad API 文档 / 2d / McDbPolyline

Class: McDbPolyline

2d.McDbPolyline

多段线类

Hierarchy

• McDbCurve

  ↳ McDbPolyline

Table of contents

Constructors

• constructor

Properties

• imp

Accessors

• colorIndex
• constantWidth
• dxf0
• isClosed
• layer
• layerId
• linetype
• linetypeId
• linetypeScale
• lineweight
• objectName
• textStyle
• textStyleId
• trueColor
• visible

Methods

• IntersectWith
• addVertexAt
• clone
• deleteXData
• disableDisplay
• erase
• explode
• getAllAppName
• getArea
• getBoundingBox
• getBulgeAt
• getClosestPointTo
• getDatabase
• getDistAtParam
• getDistAtPoint
• getEndParam
• getEndPoint
• getFirstDeriv
• getFirstDerivFromParam
• getHandle
• getImp
• getJson
• getLength
• getObjectID
• getOwnerID
• getParamAtDist
• getParamAtPoint
• getPointAt
• getPointAtDist
• getPointAtParam
• getSamplePoints
• getStartParam
• getStartPoint
• getWidthsAt
• getxData
• getxDataDouble
• getxDataLong
• getxDataPoint
• getxDataString
• highlight
• initTempObject
• isErased
• isKindOf
• isNull
• mirror
• move
• numVerts
• offsetCurves
• removeVertexAt
• rotate
• scaleEntity
• setBulgeAt
• setJson
• setPointAt
• setWidthsAt
• setxData
• setxDataDouble
• setxDataLong
• setxDataPoint
• setxDataString
• splitCurves
• splitCurvesFromParam
• transformBy
• unErase

Constructors

constructor

• new McDbPolyline(imp?)

构造函数

Parameters

Name	Type	Description
imp?	any	实现对象

Overrides

McDbCurve.constructor

Properties

imp

• Protected imp: any = 0

内部实现对象。

Inherited from

McDbCurve.imp

Accessors

colorIndex

• get colorIndex(): number

得到对象颜色索引

Returns

number

Inherited from

McDbCurve.colorIndex

• set colorIndex(val): void

设置对象颜色索引

Parameters

Name	Type
val	number

Returns

void

Inherited from

McDbCurve.colorIndex

---

constantWidth

• get constantWidth(): number

获取常量宽度

Returns

number

• set constantWidth(val): void

设置常量宽度

Parameters

Name	Type	Description
val	number	常量宽度

Returns

void

---

dxf0

• get dxf0(): string

获取 DXF 代码 0 的值。

Returns

string

Inherited from

McDbCurve.dxf0

---

isClosed

• get isClosed(): boolean

获取是否闭合

Returns

boolean

• set isClosed(val): void

设置是否闭合

Parameters

Name	Type	Description
val	boolean	是否闭合

Returns

void

---

layer

• get layer(): string

得到对象图层名

Returns

string

Inherited from

McDbCurve.layer

• set layer(val): void

设置对象图层名

Parameters

Name	Type
val	string

Returns

void

Inherited from

McDbCurve.layer

---

layerId

• get layerId(): McObjectId

Returns

McObjectId

Inherited from

McDbCurve.layerId

• set layerId(id): void

Parameters

Name	Type
id	McObjectId

Returns

void

Inherited from

McDbCurve.layerId

---

linetype

• get linetype(): string

得到对象线型名

Returns

string

Inherited from

McDbCurve.linetype

• set linetype(val): void

设置对象线型名

Parameters

Name	Type
val	string

Returns

void

Inherited from

McDbCurve.linetype

---

linetypeId

• get linetypeId(): McObjectId

Returns

McObjectId

Inherited from

McDbCurve.linetypeId

• set linetypeId(id): void

Parameters

Name	Type
id	McObjectId

Returns

void

Inherited from

McDbCurve.linetypeId

---

linetypeScale

• get linetypeScale(): number

得到对象线型比例

Returns

number

Inherited from

McDbCurve.linetypeScale

• set linetypeScale(val): void

设置对象线型比例

Parameters

Name	Type
val	number

Returns

void

Inherited from

McDbCurve.linetypeScale

---

lineweight

• get lineweight(): number

得到对象线重

Returns

number

Inherited from

McDbCurve.lineweight

• set lineweight(val): void

设置对象线重

Parameters

Name	Type
val	number

Returns

void

Inherited from

McDbCurve.lineweight

---

objectName

• get objectName(): string

获取对象名称。

Returns

string

Inherited from

McDbCurve.objectName

---

textStyle

• get textStyle(): string

得到对象文字样式

Returns

string

Inherited from

McDbCurve.textStyle

• set textStyle(val): void

设置对象文字样式

Parameters

Name	Type
val	string

Returns

void

Inherited from

McDbCurve.textStyle

---

textStyleId

• get textStyleId(): McObjectId

Returns

McObjectId

Inherited from

McDbCurve.textStyleId

• set textStyleId(id): void

Parameters

Name	Type
id	McObjectId

Returns

void

Inherited from

McDbCurve.textStyleId

---

trueColor

• get trueColor(): McCmColor

得到对象颜色

Returns

McCmColor

Inherited from

McDbCurve.trueColor

• set trueColor(val): void

设置对象颜色

Parameters

Name	Type
val	McCmColor

Returns

void

Inherited from

McDbCurve.trueColor

---

visible

• get visible(): boolean

对象是否可见

Returns

boolean

Inherited from

McDbCurve.visible

• set visible(val): void

设置是否可见

Parameters

Name	Type
val	boolean

Returns

void

Inherited from

McDbCurve.visible

Methods

IntersectWith

▸ IntersectWith(intersectObject, exOption): McGePoint3dArray

Parameters

Name	Type
intersectObject	McDbEntity
exOption	Intersect

Returns

McGePoint3dArray

Inherited from

McDbCurve.IntersectWith

---

addVertexAt

▸ addVertexAt(pt, bulge?, startWidth?, endWidth?, index?): boolean

在指定位置添加顶点

Parameters

Name	Type	Default value	Description
pt	Vector3 \	McGePoint3d	undefined	点
bulge	number	0	凸度
startWidth	number	0	起始宽度
endWidth	number	0	结束宽度
index	number	0	位置

Returns

boolean

---

clone

▸ clone(): null | McDbObject

克隆对象。

Returns

null | McDbObject

克隆出的对象。

Inherited from

McDbCurve.clone

---

deleteXData

▸ deleteXData(appName): boolean

Parameters

Name	Type
appName	string

Returns

boolean

Inherited from

McDbCurve.deleteXData

---

disableDisplay

▸ disableDisplay(isDisable): void

暂时禁用对象的自动更新显示.

Parameters

Name	Type
isDisable	boolean

Returns

void

Inherited from

McDbCurve.disableDisplay

---

erase

▸ erase(): boolean

删除对象。

Returns

boolean

是否删除成功。

Inherited from

McDbCurve.erase

---

explode

▸ explode(): MxCADResbuf

打碎对象，返回打后对象数据链表

Returns

MxCADResbuf

Inherited from

McDbCurve.explode

---

getAllAppName

▸ getAllAppName(): McGeStringArray

Returns

McGeStringArray

Inherited from

McDbCurve.getAllAppName

---

getArea

▸ getArea(): Object

计算面积

Returns

Object

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getArea

---

getBoundingBox

▸ getBoundingBox(): Object

得到对象的最小外包

Returns

Object

Name	Type
maxPt	McGePoint3d
minPt	McGePoint3d
ret	boolean

Inherited from

McDbCurve.getBoundingBox

---

getBulgeAt

▸ getBulgeAt(index): number

获取指定位置的凸度

Parameters

Name	Type	Description
index	number	位置

Returns

number

---

getClosestPointTo

▸ getClosestPointTo(givenPnt, isExtend): Object

得到一个点到曲线的最近点

Parameters

Name	Type
givenPnt	McGePoint3d
isExtend	boolean

Returns

Object

Name	Type
ret	boolean
val	McGePoint3d

Inherited from

McDbCurve.getClosestPointTo

---

getDatabase

▸ getDatabase(): McDbDatabase

得到对象所在的数据库

Returns

McDbDatabase

Inherited from

McDbCurve.getDatabase

---

getDistAtParam

▸ getDistAtParam(param): Object

获取参数位置上的距离。

Parameters

Name	Type	Description
param	number	参数位置。

Returns

Object

距离及执行结果。

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getDistAtParam

---

getDistAtPoint

▸ getDistAtPoint(pt): Object

获取距离位置上的点。

Parameters

Name	Type	Description
pt	McGePoint3d	距离位置。

Returns

Object

点及执行结果。

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getDistAtPoint

---

getEndParam

▸ getEndParam(): Object

获取结束参数。

Returns

Object

结束参数及执行结果。

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getEndParam

---

getEndPoint

▸ getEndPoint(): Object

得到曲线的结束点

Returns

Object

Name	Type
ret	boolean
val	McGePoint3d

Inherited from

McDbCurve.getEndPoint

---

getFirstDeriv

▸ getFirstDeriv(pt): Object

通过曲线上某点得到曲线的一阶导数

Parameters

Name	Type
pt	McGePoint3d

Returns

Object

Name	Type
ret	boolean
val	McGeVector3d

Inherited from

McDbCurve.getFirstDeriv

---

getFirstDerivFromParam

▸ getFirstDerivFromParam(param): Object

通过曲线参数得到曲线的一阶导数

Parameters

Name	Type
param	number

Returns

Object

Name	Type
ret	boolean
val	McGeVector3d

Inherited from

McDbCurve.getFirstDerivFromParam

---

getHandle

▸ getHandle(): string

得到对象句柄

Returns

string

Inherited from

McDbCurve.getHandle

---

getImp

▸ getImp(): any

获取内部实现对象。

Returns

any

内部实现对象。

Inherited from

McDbCurve.getImp

---

getJson

▸ getJson(): string

获取 JSON 格式的字符串。

Returns

string

JSON 格式的字符串。

Inherited from

McDbCurve.getJson

---

getLength

▸ getLength(): Object

得到曲线长度

Returns

Object

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getLength

---

getObjectID

▸ getObjectID(): McObjectId

获取对象 ID。

Returns

McObjectId

对象 ID。

Inherited from

McDbCurve.getObjectID

---

getOwnerID

▸ getOwnerID(): number

得到对象拥用者的id

Returns

number

Inherited from

McDbCurve.getOwnerID

---

getParamAtDist

▸ getParamAtDist(dist): Object

获取距离位置上的参数。

Parameters

Name	Type	Description
dist	number	距离位置。

Returns

Object

参数及执行结果。

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getParamAtDist

---

getParamAtPoint

▸ getParamAtPoint(pt): Object

得到曲线某点位置的曲线参数

Parameters

Name	Type
pt	McGePoint3d

Returns

Object

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getParamAtPoint

---

getPointAt

▸ getPointAt(index): Object

获取指定位置的点

Parameters

Name	Type	Description
index	number	位置

Returns

Object

val: 点, ret: 返回值

Name	Type
ret	number
val	McGePoint3d

---

getPointAtDist

▸ getPointAtDist(dist): Object

获取距离位置上的点。

Parameters

Name	Type	Description
dist	number	距离位置。

Returns

Object

点及执行结果。

Name	Type
ret	boolean
val	McGePoint3d

Inherited from

McDbCurve.getPointAtDist

---

getPointAtParam

▸ getPointAtParam(param): Object

得到曲线参数所在的点坐标

Parameters

Name	Type
param	number

Returns

Object

Name	Type
ret	boolean
val	McGePoint3d

Inherited from

McDbCurve.getPointAtParam

---

getSamplePoints

▸ getSamplePoints(dApproxEps): MxCADResbuf

把曲线离散成一堆点

Parameters

Name	Type
dApproxEps	number

Returns

MxCADResbuf

Inherited from

McDbCurve.getSamplePoints

---

getStartParam

▸ getStartParam(): Object

获取起始参数。

Returns

Object

起始参数及执行结果。

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getStartParam

---

getStartPoint

▸ getStartPoint(): Object

得到曲线的开始点

Returns

Object

Name	Type
ret	boolean
val	McGePoint3d

Inherited from

McDbCurve.getStartPoint

---

getWidthsAt

▸ getWidthsAt(index): Object

获取指定位置的起始和结束宽度

Parameters

Name	Type	Description
index	number	位置

Returns

Object

val1: 起始宽度, val2: 结束宽度, ret: 返回值

Name	Type
ret	boolean
val1	number
val2	number

---

getxData

▸ getxData(appName?): MxCADResbuf

得到对象的扩展数据

Parameters

Name	Type	Default value
appName	string	""

Returns

MxCADResbuf

Inherited from

McDbCurve.getxData

---

getxDataDouble

▸ getxDataDouble(appName): Object

Parameters

Name	Type
appName	string

Returns

Object

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getxDataDouble

---

getxDataLong

▸ getxDataLong(appName): Object

Parameters

Name	Type
appName	string

Returns

Object

Name	Type
ret	boolean
val	number

Inherited from

McDbCurve.getxDataLong

---

getxDataPoint

▸ getxDataPoint(appName): Object

Parameters

Name	Type
appName	string

Returns

Object

Name	Type
ret	boolean
val	McGePoint3d

Inherited from

McDbCurve.getxDataPoint

---

getxDataString

▸ getxDataString(appName): Object

Parameters

Name	Type
appName	string

Returns

Object

Name	Type
ret	boolean
val	string

Inherited from

McDbCurve.getxDataString

---

highlight

▸ highlight(isHighlight): void

设置对象是否高亮

Parameters

Name	Type
isHighlight	boolean

Returns

void

Inherited from

McDbCurve.highlight

---

initTempObject

▸ initTempObject(imp): void

初始化临时对象。

Parameters

Name	Type	Description
imp	any	内部实现对象。

Returns

void

Inherited from

McDbCurve.initTempObject

---

isErased

▸ isErased(): boolean

对象是否已经删除

Returns

boolean

Inherited from

McDbCurve.isErased

---

isKindOf

▸ isKindOf(sObjectName): boolean

Parameters

Name	Type
sObjectName	string

Returns

boolean

Inherited from

McDbCurve.isKindOf

---

isNull

▸ isNull(): any

Returns

any

Inherited from

McDbCurve.isNull

---

mirror

▸ mirror(point1, point2): boolean

镜向对象

Parameters

Name	Type
point1	McGePoint3d
point2	McGePoint3d

Returns

boolean

Inherited from

McDbCurve.mirror

---

move

▸ move(fromPoint, toPoint): boolean

移动对象

Parameters

Name	Type
fromPoint	McGePoint3d
toPoint	McGePoint3d

Returns

boolean

Inherited from

McDbCurve.move

---

numVerts

▸ numVerts(): number

获取顶点数量

Returns

number

---

offsetCurves

▸ offsetCurves(dOffsetDist, ptOffsetRef): McDbObjectArray

得到偏移曲线

Parameters

Name	Type
dOffsetDist	number
ptOffsetRef	McGePoint3d

Returns

McDbObjectArray

Inherited from

McDbCurve.offsetCurves

---

removeVertexAt

▸ removeVertexAt(index): boolean

移除指定位置的顶点

Parameters

Name	Type	Description
index	number	位置

Returns

boolean

---

rotate

▸ rotate(basePoint, dRotationAngle): boolean

旋转对象

Parameters

Name	Type
basePoint	McGePoint3d
dRotationAngle	number

Returns

boolean

Inherited from

McDbCurve.rotate

---

scaleEntity

▸ scaleEntity(basePoint, dScaleFactor): boolean

缩放对象

Parameters

Name	Type
basePoint	McGePoint3d
dScaleFactor	number

Returns

boolean

Inherited from

McDbCurve.scaleEntity

---

setBulgeAt

▸ setBulgeAt(index, bulge): boolean

设置指定位置的凸度

Parameters

Name	Type	Description
index	number	位置
bulge	number	凸度

Returns

boolean

---

setJson

▸ setJson(str): boolean

设置 JSON 格式的字符串。

Parameters

Name	Type	Description
str	string	JSON 格式的字符串。

Returns

boolean

是否设置成功。

Inherited from

McDbCurve.setJson

---

setPointAt

▸ setPointAt(index, pt): boolean

设置指定位置的点

Parameters

Name	Type	Description
index	number	位置
pt	McGePoint3d	点

Returns

boolean

---

setWidthsAt

▸ setWidthsAt(index, dStartWdith, dEntWdith): boolean

修改线段的开始宽度，和结束宽度

Parameters

Name	Type	Description
index	number	位置
dStartWdith	number	-
dEntWdith	number	-

Returns

boolean

---

setxData

▸ setxData(xdata): boolean

设置对象的扩展数据

Parameters

Name	Type
xdata	MxCADResbuf

Returns

boolean

Inherited from

McDbCurve.setxData

---

setxDataDouble

▸ setxDataDouble(appName, val): boolean

Parameters

Name	Type
appName	string
val	number

Returns

boolean

Inherited from

McDbCurve.setxDataDouble

---

setxDataLong

▸ setxDataLong(appName, val): boolean

Parameters

Name	Type
appName	string
val	number

Returns

boolean

Inherited from

McDbCurve.setxDataLong

---

setxDataPoint

▸ setxDataPoint(appName, val): boolean

Parameters

Name	Type
appName	string
val	McGePoint3d

Returns

boolean

Inherited from

McDbCurve.setxDataPoint

---

setxDataString

▸ setxDataString(appName, val): boolean

Parameters

Name	Type
appName	string
val	string

Returns

boolean

Inherited from

McDbCurve.setxDataString

---

splitCurves

▸ splitCurves(pts): McDbObjectArray

打断曲线

Parameters

Name	Type
pts	McGePoint3d[]

Returns

McDbObjectArray

Inherited from

McDbCurve.splitCurves

---

splitCurvesFromParam

▸ splitCurvesFromParam(params): McDbObjectArray

Parameters

Name	Type
params	number[]

Returns

McDbObjectArray

Inherited from

McDbCurve.splitCurvesFromParam

---

transformBy

▸ transformBy(transformationMatrix): boolean

变换对象

Parameters

Name	Type
transformationMatrix	McGeMatrix3d

Returns

boolean

Inherited from

McDbCurve.transformBy

---

unErase

▸ unErase(): boolean

反删除对象。

Returns

boolean

Inherited from

McDbCurve.unErase