mxcad_2d API 文档 / 2d / McDbBackgroundEntity

Class: McDbBackgroundEntity ​

2d.McDbBackgroundEntity

背景绘制对象

Hierarchy ​

• McDbEntity

  ↳ McDbBackgroundEntity

Table of contents ​

Constructors ​

• constructor

Properties ​

• imp

Accessors ​

• colorIndex
• drawOrder
• dxf0
• layer
• layerId
• linetype
• linetypeId
• linetypeScale
• lineweight
• normal
• objectName
• textStyle
• textStyleId
• trueColor
• visible

Methods ​

• IntersectWith
• assertObjectModification
• clearAll
• clearDwg
• clone
• createExtensionDictionary
• deleteXData
• disableDisplay
• erase
• explode
• getAllAppName
• getArea
• getBackgroundDatabase
• getBoundingBox
• getDatabase
• getDatabaseIndexId
• getExtensionDictionary
• getGripPoints
• getHandle
• getImp
• getJson
• getObjectID
• getOwnerID
• getxData
• getxDataDouble
• getxDataLong
• getxDataPoint
• getxDataString
• highlight
• initTempObject
• isErased
• isHaveExtensionDictionary
• isKindOf
• isNull
• isShow
• mirror
• move
• moveGripPointsAt
• rotate
• scaleEntity
• setJson
• setShow
• setShowColor
• setxData
• setxDataDouble
• setxDataLong
• setxDataPoint
• setxDataString
• syncData
• transformBy
• unErase
• updateDisplay

Constructors ​

constructor ​

• new McDbBackgroundEntity(x)

Parameters ​

Overrides ​

McDbEntity.constructor

Properties ​

imp ​

• imp: any = 0

内部实现对象。

Inherited from ​

McDbEntity.imp

Accessors ​

colorIndex ​

• get colorIndex(): number

得到对象颜色索引

Example

import { McDbEntity, ColorIndexType } from 'mxcad'
 const ent = new McDbEntity();
 ent.colorIndex = ColorIndexType.kByblock;
 console.log(ent.colorIndex)

Returns ​

number

Inherited from ​

McDbEntity.colorIndex

• set colorIndex(val): void

设置对象颜色索引

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.colorIndex

drawOrder ​

• get drawOrder(): number

对象的显示顺序

Example

// 假设ent为有效实例对象
const order = ent.drawOrder();

Returns ​

number

Inherited from ​

McDbEntity.drawOrder

• set drawOrder(order): void

对象的显示顺序

Example

import { MxCpp, MxCADSelectionSet } from "mxcad";

let ss = new MxCADSelectionSet();
if (!await ss.userSelect("\n选择对象")) return;
//得到当前图上对象的最大，小最显示顺序.
let minmaxOrder = MxCpp.getCurrentDatabase().currentSpace.getMinMaxDrawOrder();
// 把对象放到最上面。
let lOrder = minmaxOrder.maxDrawOrder + 1;
ss.forEach((id) => {
  let ent = id.getMcDbEntity();
  if (ent) {
    ent.drawOrder = lOrder;
  }
})

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.drawOrder

dxf0 ​

• get dxf0(): string

得到对象的DXF组码的类型名，这个和AutoCAD中的DXF组码是一样。 比如直线的类型名为：McDbLine，DXF0组码值: LINE,DXF0组码值可以用来构造集时的类型过滤。

Returns ​

string

Inherited from ​

McDbEntity.dxf0

layer ​

• get layer(): string

得到对象图层名

Returns ​

string

Inherited from ​

McDbEntity.layer

• set layer(val): void

设置对象图层名

Example

import { McDbEntity } from 'mxcad'
 const ent = new McDbEntity();
 ent.layer = "newLayerName";
 console.log(ent.layer)

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.layer

layerId ​

• get layerId(): McObjectId

获取图层ID对象

Example

// 假设ent为有效实例对象
const layerId = ent.layerId;

Returns ​

McObjectId

Inherited from ​

McDbEntity.layerId

• set layerId(id): void

设置图层Id对象

Example

// 假设ent为有效实例对象
const mxcad = MxCpp.getCurrentMxCAD();
const layerId = mxcad.addLayer("测试图层")
ent.layerId = layerId;

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.layerId

linetype ​

• get linetype(): string

得到对象线型名

Returns ​

string

Inherited from ​

McDbEntity.linetype

• set linetype(val): void

设置对象线型名

Example

import { McDbEntity } from 'mxcad'
const ent = new McDbEntity()
ent.linetype = "MyLineType";
console.log(ent.linetype)

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.linetype

linetypeId ​

• get linetypeId(): McObjectId

获取实体对象线型ID

Example

// 假设ent为有效实例对象
const linetypeId = ent.linetypeId;

Returns ​

McObjectId

Inherited from ​

McDbEntity.linetypeId

• set linetypeId(id): void

设置实体对象线型ID

Example

// 假设ent为有效实例对象
const mxcad = MxCpp.getCurrentMxCAD();
const lineId = mxcad.addLinetypeEx("TestMyLine", '25,-5');
ent.linetypeId = lineId;

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.linetypeId

linetypeScale ​

• get linetypeScale(): number

得到对象线型比例

Returns ​

number

Inherited from ​

McDbEntity.linetypeScale

• set linetypeScale(val): void

设置对象线型比例

Example

import { McDbEntity } from 'mxcad'
const ent = new McDbEntity()
ent.linetypeScale = 0.8;
console.log(ent.linetypeScale)

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.linetypeScale

lineweight ​

• get lineweight(): number

得到对象线重

Returns ​

number

Inherited from ​

McDbEntity.lineweight

• set lineweight(val): void

设置对象线重

Example

import { McDbEntity } from 'mxcad'
const ent = new McDbEntity()
ent.lineweight = 20;
console.log(ent.lineweight)

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.lineweight

normal ​

• get normal(): McGeVector3d

返回对象的normal

Example

Returns ​

McGeVector3d

Inherited from ​

McDbEntity.normal

• set normal(val): void

设置对象的normal

Example

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.normal

objectName ​

• get objectName(): string

获取对象名称。

Example

import { McRxObject } from 'mxcad';

let obj = new McRxObject();
console.log(obj.objectName);

Returns ​

string

返回对象名

Inherited from ​

McDbEntity.objectName

textStyle ​

• get textStyle(): string

得到对象文字样式

Returns ​

string

Inherited from ​

McDbEntity.textStyle

• set textStyle(val): void

设置对象文字样式

Example

import { McDbEntity } from 'mxcad'
const ent = new McDbEntity()
ent.textStyle = "st_style";

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.textStyle

textStyleId ​

• get textStyleId(): McObjectId

获取实体文字样式

Example

// 假设ent为有效实例对象
const textStyleId = ent.textStyleId;

Returns ​

McObjectId

Inherited from ​

McDbEntity.textStyleId

• set textStyleId(id): void

设置实体的文字样式

Example

// 假设ent为有效实例对象
const mxcad = MxCpp.getCurrentMxCAD();
const textStyleId = mxcad.addTextStyle("MyLineTypeTextStyle", "txt.shx", "hztxt.shx", 1);
ent.textStyleId = textStyleId;

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.textStyleId

trueColor ​

• get trueColor(): McCmColor

得到对象颜色

Example

import { McDbEntity, McCmColor} from 'mxcad'
 const ent = new McDbEntity();
 ent.trueColor = new McCmColor(255, 0, 0);
 console.log(ent.trueColor)

Returns ​

McCmColor

Inherited from ​

McDbEntity.trueColor

• set trueColor(val): void

设置对象颜色

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.trueColor

visible ​

• get visible(): boolean

对象是否可见

Returns ​

boolean

Inherited from ​

McDbEntity.visible

• set visible(val): void

设置是否可见

Example

import { McDbEntity } from 'mxcad'
const ent = new McDbEntity()
ent.visible = true;
console.log(ent.visible)

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.visible

Methods ​

IntersectWith ​

▸ IntersectWith(intersectObject, exOption): McGePoint3dArray

与其他实体相交, 得到交点

Example

import { McDbLine, McDb } from 'mxcad'
const line1 = new McDbLine(new McGePoint3d(0,0,0), new McGePoint3d(20,1,0));
const line2 = new McDbLine(new McGePoint3d(10,10,0), new McGePoint3d(11,1,0));
const ptArr = line1.IntersectWith(line2, McDb.Intersect.kExtendBoth)

Parameters ​

Returns ​

McGePoint3dArray

得到所有交点

Inherited from ​

McDbEntity.IntersectWith

assertObjectModification ​

▸ assertObjectModification(autoUndo?): number

设置对象被改变的状态，可自动触发更新显示函数，更新显示。 比如块表记录更新了，需要通知块引用更新显示，可以调用该函数。

Example

//假设obj为一个数据库对象
obj.assertObjectModification()

Parameters ​

Returns ​

number

Inherited from ​

McDbEntity.assertObjectModification

clearAll ​

▸ clearAll(): boolean

清空所有背景显示

Returns ​

boolean

clearDwg ​

▸ clearDwg(sDwgFile): boolean

清空背景显示

Parameters ​

Returns ​

boolean

clone ​

▸ clone(): null | McDbObject

克隆对象。

Example

//假设obj为一个数据库对象
const obj_clone = obj.clone();

Returns ​

null | McDbObject

克隆出的对象。

Inherited from ​

McDbEntity.clone

createExtensionDictionary ​

▸ createExtensionDictionary(): boolean

创建对象的扩展字典数据.

Example

//假设obj为一个数据库对象
const res = obj.createExtensionDictionary();

Returns ​

boolean

Inherited from ​

McDbEntity.createExtensionDictionary

deleteXData ​

▸ deleteXData(appName): boolean

删除实体指定应用程序名称相关的数据

Example

import { MxCADUiPrEntity, McDbEntity } from "mxcad";

let selEntity = new MxCADUiPrEntity();
selEntity.setMessage("选择对象");
let id = await selEntity.go();
if (!id.isValid()) return;
let ent:McDbEntity = id.getMcDbEntity();
if (ent === null) return;
const res = ent.deleteXData("DataName");
if(res){
  //删除成功
}else
  //删除失败
}

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.deleteXData

disableDisplay ​

▸ disableDisplay(isDisable): void

禁用对象的自动更新显示.

Example

import { McDbLine } from 'mxcad'
const line1 = new McDbLine(new McGePoint3d(0,0,0), new McGePoint3d(20,1,0));
line1.disableDisplay(true)

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.disableDisplay

erase ​

▸ erase(): boolean

删除对象。

Example

//假设obj为一个数据库对象
const res = obj.erase();
console.log(res);

Returns ​

boolean

是否删除成功。

Inherited from ​

McDbEntity.erase

explode ​

▸ explode(): MxCADResbuf

打碎对象，返回打后对象数据链表

Example

import { McDbEntity, MxCADResbuf } from "mxcad";
// 获取目标对象
let getEnt = new MxCADUiPrEntity();
getEnt.setMessage("选择打碎对象:");
let id = await getEnt.go();
let ent:McDbEntity = id.getMcDbEntity();
if (ent === null) return;
// 打碎对象
let retExplode: MxCADResbuf = ent.explode();

Returns ​

MxCADResbuf

resbuf 数据

Inherited from ​

McDbEntity.explode

getAllAppName ​

▸ getAllAppName(): McGeStringArray

获取实体中包含的所有 XData 记录的应用程序名（AppName）

Example

// 假设ent为有效实例对象
const appNames = ent.getAllAppName();
console.log(appNames);

Returns ​

McGeStringArray

Inherited from ​

McDbEntity.getAllAppName

getArea ​

▸ getArea(): Object

计算面积

Example

import { McGePoint3d, McDbCircle } from "mxcad"

const center = new McGePoint3d(0,0,0);
const circle = new McDbCircle(center, 20);
const area = circle.getArea();
console.log("圆面积：", area)

Returns ​

Object

val 面积值 | ret 是否获取成功

Inherited from ​

McDbEntity.getArea

getBackgroundDatabase ​

▸ getBackgroundDatabase(sDwgFile): null | McDbDatabase

返回背景显示使用的数据库对象.

Parameters ​

Returns ​

null | McDbDatabase

getBoundingBox ​

▸ getBoundingBox(): Object

得到对象的最小外包

Example

import { McDbText, McGePoint3d } from 'mxcad'
const text = new McDbText();
text.textString = "测试Test";
text.height = 20;
text.position = text.alignmentPoint = new McGePoint3d(0,0,0);
const { minPt, maxPt, ret } = text.getBoundingBox()

Returns ​

Object

Inherited from ​

McDbEntity.getBoundingBox

getDatabase ​

▸ getDatabase(): McDbDatabase

得到对象所在的数据库

Example

//假设obj为一个数据库对象
const data = obj.getDatabase();

Returns ​

McDbDatabase

返回数据库

Inherited from ​

McDbEntity.getDatabase

getDatabaseIndexId ​

▸ getDatabaseIndexId(): number

获取对象的索引ID

Example

//假设obj为一个数据库对象
const id = obj.getDatabaseIndexId();

Returns ​

number

Inherited from ​

McDbEntity.getDatabaseIndexId

getExtensionDictionary ​

▸ getExtensionDictionary(): McDbDictionary

得到对象的扩展字典数据.

Example

//假设obj为一个数据库对象
const id = obj.getOwnerID();

Returns ​

McDbDictionary

扩展字典数据

Inherited from ​

McDbEntity.getExtensionDictionary

getGripPoints ​

▸ getGripPoints(): McGePoint3dArray

获取对象的控制点

Example

//假设obj为一个数据库对象
const ptArr = obj.getGripPoints();

Returns ​

McGePoint3dArray

Inherited from ​

McDbEntity.getGripPoints

getHandle ​

▸ getHandle(): string

得到对象句柄

Example

//假设obj为一个数据库对象
const handle = obj.getHandle();

Returns ​

string

返回对象句柄

Inherited from ​

McDbEntity.getHandle

getImp ​

▸ getImp(): any

获取内部实现对象。

Example

import { McRxObject } from 'mxcad';

let obj = new McRxObject();
let imp = obj.getImp();

Returns ​

any

内部实现对象。

Inherited from ​

McDbEntity.getImp

getJson ​

▸ getJson(): string

获取 JSON 格式的字符串。

Example

import { McRxObject } from 'mxcad';

let obj = new McRxObject();
const json = obj.getJson()

Returns ​

string

JSON 格式的字符串。

Inherited from ​

McDbEntity.getJson

getObjectID ​

▸ getObjectID(): McObjectId

获取对象 ID。

Example

import { McDbObject } from "mxcad";
const id = obj.getObjectID();

Returns ​

McObjectId

对象 ID。

Inherited from ​

McDbEntity.getObjectID

getOwnerID ​

▸ getOwnerID(): number

得到对象拥用者的id

Example

//假设obj为一个数据库对象
const id = obj.getOwnerID();

Returns ​

number

Inherited from ​

McDbEntity.getOwnerID

getxData ​

▸ getxData(appName?): MxCADResbuf

得到对象的扩展数据

Example

// 假设ent为有效实例对象
const xData = ent.getXData();

Parameters ​

Returns ​

MxCADResbuf

Inherited from ​

McDbEntity.getxData

getxDataDouble ​

▸ getxDataDouble(appName): Object

获取实体的指定 XData 类型中的 double 值

Example

// 假设ent为有效实例对象
let data = ent.getxDataDouble("DataName");
if(data.ret){
  console.log(data.val)
}

Parameters ​

Returns ​

Object

double 值

Inherited from ​

McDbEntity.getxDataDouble

getxDataLong ​

▸ getxDataLong(appName): Object

获取实体的指定 XData 类型中的 long（整数）值

Example

// 假设ent为有效实例对象
let data = ent.getxDataLong("DataName");
if(data.ret){
  console.log(data.val)
}

Parameters ​

Returns ​

Object

long 值

Inherited from ​

McDbEntity.getxDataLong

getxDataPoint ​

▸ getxDataPoint(appName): Object

获取实体的指定 XData 类型中的点对象

Parameters ​

Returns ​

Object

获取结果及三维点对象

Inherited from ​

McDbEntity.getxDataPoint

getxDataString ​

▸ getxDataString(appName): Object

获取与特定实体关联的 XData 信息，并以字符串形式返回

Example

// 假设ent为有效实例对象
let data = ent.getxDataString("DataName");
if(data.ret){
  console.log(data.val)
}

Parameters ​

Returns ​

Object

val XData信息 | ret 是否返回成功

Inherited from ​

McDbEntity.getxDataString

highlight ​

▸ highlight(isHighlight): void

设置对象是否高亮

Example

import { McDbEntity } from 'mxcad'
const ent = new McDbEntity()
ent.highlight(true);

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.highlight

initTempObject ​

▸ initTempObject(imp): void

初始化临时对象。

Example

import { McRxObject } from 'mxcad';

let obj = new McRxObject();
obj.initTempObject()

Parameters ​

Returns ​

void

Inherited from ​

McDbEntity.initTempObject

isErased ​

▸ isErased(): boolean

对象是否已经删除

Example

//假设obj为一个数据库对象
const res = obj.isErased();
console.log(res);

Returns ​

boolean

Inherited from ​

McDbEntity.isErased

isHaveExtensionDictionary ​

▸ isHaveExtensionDictionary(): boolean

是否有扩展字典数据.

Example

//假设obj为一个数据库对象
const res = obj.isHaveExtensionDictionary();

Returns ​

boolean

Inherited from ​

McDbEntity.isHaveExtensionDictionary

isKindOf ​

▸ isKindOf(sObjectName): boolean

判断对象类型

Example

import { McRxObject } from 'mxcad';

let obj = new McRxObject();
let isKind = obj.isKindOf('SomeObjectType');
console.log(isKind); // 输出: true 或 false

Parameters ​

Returns ​

boolean

返回对象是否是目标类型

Inherited from ​

McDbEntity.isKindOf

isNull ​

▸ isNull(): any

判断是否为空对象

Example

import { McRxObject } from 'mxcad';

let obj = new McRxObject();
console.log(obj.isNull()); // 输出: true 或 false

Returns ​

any

Inherited from ​

McDbEntity.isNull

isShow ​

▸ isShow(sDwgFile): boolean

是否显示背景对象

Parameters ​

Returns ​

boolean

mirror ​

▸ mirror(point1, point2): boolean

镜向对象

Example

import { McDbEntity, McGePoint3d } from 'mxcad'
const ent = new McDbEntity()
ent.mirror(new McGePoint3d(0,0,0), new McGePoint3d(20,10,0))

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.mirror

move ​

▸ move(fromPoint, toPoint): boolean

移动对象

Example

import { McDbEntity, McGePoint3d } from 'mxcad'
const ent = new McDbEntity()
ent.move(new McGePoint3d(0,0,0), new McGePoint3d(20,0,0))

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.move

moveGripPointsAt ​

▸ moveGripPointsAt(iIndex, dXOffset, dYOffset, dZOffset): any

移动对象的控制点

Example

//假设obj为一个数据库对象
obj.moveGripPointsAt(1,10,10,10);

Parameters ​

Returns ​

any

Inherited from ​

McDbEntity.moveGripPointsAt

rotate ​

▸ rotate(basePoint, dRotationAngle): boolean

旋转对象

Example

import { McDbEntity, McGePoint3d } from 'mxcad'
const ent = new McDbEntity()
ent.rotate(new McGePoint3d(0,0,0), Math.PI)

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.rotate

scaleEntity ​

▸ scaleEntity(basePoint, dScaleFactor): boolean

缩放对象

Example

import { McDbEntity, McGePoint3d } from 'mxcad'
const ent = new McDbEntity()
ent.scaleEntity(new McGePoint3d(0,0,0), 0.5)

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.scaleEntity

setJson ​

▸ setJson(str): boolean

设置 JSON 格式的字符串。

Example

import { McRxObject } from 'mxcad';

let obj = new McRxObject();
const res = obj.setJson('{"key": "value"}');
console.log(res)

Parameters ​

Returns ​

boolean

是否设置成功。

Inherited from ​

McDbEntity.setJson

setShow ​

▸ setShow(sDwgFile, isShow): boolean

设置是否显示背景对象

Parameters ​

Returns ​

boolean

setShowColor ​

▸ setShowColor(sDwgFile, lColor): boolean

显示背景时使用指定颜色替换显示

Parameters ​

Returns ​

boolean

setxData ​

▸ setxData(xdata): boolean

设置对象的扩展数据

Example

import { MxCADUiPrEntity, McDbEntity } from "mxcad";

//设置扩展数据
let selEntity = new MxCADUiPrEntity();
selEntity.setMessage("选择对象");
let id = await selEntity.go();
if (!id.isValid()) return;
let ent:McDbEntity = id.getMcDbEntity();
if (ent === null) return;
ent.setxData(new MxCADResbuf([{type:DxfCode.kExDataName,val:"DataName"},{type:DxfCode.kString,val:"yyyyy"}]));

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.setxData

setxDataDouble ​

▸ setxDataDouble(appName, val): boolean

设置实体的指定 XData 类型中的 double 值

Example

import { MxCADUiPrEntity, McDbEntity } from "mxcad";
let selEntity = new MxCADUiPrEntity();
selEntity.setMessage("选择对象");
let id = await selEntity.go();
if (!id.isValid()) return;
let ent:McDbEntity = id.getMcDbEntity();
if (ent === null) return;
const res = ent.setxDataDouble("DataName", 0);
if(res){
  //设置成功
}else{
  //设置失败
}

Parameters ​

Returns ​

boolean

布尔值

Inherited from ​

McDbEntity.setxDataDouble

setxDataLong ​

▸ setxDataLong(appName, val): boolean

设置实体的指定 XData 类型中的 long（整数）值

Example

import { MxCADUiPrEntity, McDbEntity } from "mxcad";

let selEntity = new MxCADUiPrEntity();
selEntity.setMessage("选择对象");
let id = await selEntity.go();
if (!id.isValid()) return;
let ent:McDbEntity = id.getMcDbEntity();
if (ent === null) return;
const res = ent.setxDataLong("DataName", 123456);
if(res){
  //设置成功
}else{
  //设置失败
}

Parameters ​

Returns ​

boolean

long 值

Inherited from ​

McDbEntity.setxDataLong

setxDataPoint ​

▸ setxDataPoint(appName, val): boolean

设置实体的指定 XData 类型中的点对象

Parameters ​

Returns ​

boolean

获取结果及三维点对象

Inherited from ​

McDbEntity.setxDataPoint

setxDataString ​

▸ setxDataString(appName, val): boolean

设置与特定实体关联的 XData 信息，并以字符串形式设置

Example

import { MxCADUiPrEntity, McDbEntity } from "mxcad";
let selEntity = new MxCADUiPrEntity();
selEntity.setMessage("选择对象");
let id = await selEntity.go();
if (!id.isValid()) return;
let ent:McDbEntity = id.getMcDbEntity();
if (ent === null) return;
const res = ent.setxDataString("DataName", "xxxxx");
if(res){
  //设置成功
}else{
  //设置失败
}

Parameters ​

Returns ​

boolean

是否设置成功

Inherited from ​

McDbEntity.setxDataString

syncData ​

▸ syncData(_toCpp?): boolean

同步实体的数据。这个方法可能是在修改了实体的属性或者附加了新的数据之后调用的，以确保所有的改变都被正确地保存到实体的数据库记录中。

Example

// 假设ent为有效实例对象
const res = ent.syncData(true);
if(res){
  //同步成功
}else{
  //同步失败
}

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.syncData

transformBy ​

▸ transformBy(transformationMatrix): boolean

变换对象

Example

import { McGeMatrix3d, McDbEntity, McGeVector3d} from 'mxcad'
 const ent = new McDbEntity()
   let matrix = new McGeMatrix3d();
   matrix.setToTranslation(new McGeVector3d(20,0,0));//平移
   ent.transformBy(matrix);

Parameters ​

Returns ​

boolean

Inherited from ​

McDbEntity.transformBy

unErase ​

▸ unErase(): boolean

反删除对象。

Example

//假设obj为一个数据库对象
const res = obj.unErase();
console.log(res);

Returns ​

boolean

Inherited from ​

McDbEntity.unErase

updateDisplay ​

▸ updateDisplay(): void

显示调用对象更新显示.

Example

// 假设ent为有效实例对象
ent.updateDisplay()

Returns ​

void

Inherited from ​

McDbEntity.updateDisplay