Class: McDbCurve ​

// 下面代码演示了，选择一个曲线，然后选择其它曲线，计算曲线与这个曲线的交点，然后在交点处打断曲线。
   import { MxCADUiPrEntity, MxCADResbuf, MxCpp, MxCADUtility, McDbCurve } from "mxcad";

   async function Mx_IntersectBreak() {
       // 选择参考曲线
       let eventObj = new MxCADUiPrEntity();
       eventObj.setMessage("请选择参考曲线");
       let eventObj_id = await eventObj.go();
       let event = await eventObj_id.getMcDbEntity()//获取实例对象
       if (event === null) return;
       const mxcad = MxCpp.App.getCurrentMxCAD();
       let curve = event.clone();// 克隆曲线
       let filter = new MxCADResbuf();
       //设置过滤器 选中圆类、圆弧类、直线类、多段线类、椭圆类
       filter.AddMcDbEntityTypes("CIRCLE,ARC,LINE,LWPOLYLINE,ELLIPSE");
       let aryId = await MxCADUtility.userSelect("选择打断对象", filter);//选中对象的id
       if (aryId.length == 0) return
       // 遍历选中的曲线对象
       aryId.forEach(async (id) => {
           if (id.id !== eventObj_id.id) {
               let breakEvent: McDbCurve = (await id.getMcDbEntity()) as McDbCurve;// 获取打断曲线的实例
               let breakArr = breakEvent.IntersectWith(curve as McDbEntity, McDb.Intersect.kOnBothOperands);//与实体相交的点集合
               if (breakArr.length() != 0) {
                   //有交点的对象
                   let arr: McGePoint3d[] = [];//交点数组
                   breakArr.forEach((item: McGePoint3d) => {
                       arr.push(item)
                   })
                   let breakPoint: McGePoint3d[] = [];
                   arr.forEach(pt => {
                       let closePoint = breakEvent.getClosestPointTo(pt, false);//曲线上离鼠标位置最近的点
                       if (!closePoint.ret) return;
                       let vec = breakEvent.getFirstDeriv(closePoint.val);//断点所在位置的向量
                       if (!vec.ret) return;
                       vec.val.normalize().mult(MxFun.viewCoordLong2Cad(10));//断开的距离
                       let pt1 = closePoint.val.clone();
                       pt1.addvec(vec.val);
                       let pt2 = closePoint.val.clone();
                       pt2.subvec(vec.val);
                       breakPoint.push(pt1);
                       breakPoint.push(pt2);
                   });
                   let breakcurve = breakEvent.splitCurves(breakPoint);// 根据端点截取曲线
                   if (breakcurve.empty()) {
                       breakEvent.highlight(false);
                       return;
                   }
                   // 重绘打断后的曲线
                   breakcurve.forEach((obj: McDbObject, index: number) => {
                       if (index % 2 == 0) mxcad.drawEntity(obj as McDbEntity);
                   });
                   breakEvent.erase() // 删除原曲线
               }
           }
       })
   }

import { McDbCurve } from "mxcad";

const curve = new McDbCurve();

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

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

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;
  }
})

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

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

// 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;

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

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

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

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

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

import { McRxObject } from 'mxcad';

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

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

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

// 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;

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

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

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)

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

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

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

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
}

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

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

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();

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

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)

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()

import { McGePoint3d, McDbCircle, MxCADUiPrPoint, MxCpp } from "mxcad"

const center = new McGePoint3d(0,0,0);
const circle = new McDbCircle(center, 20);
const mxcad = MxCpp.getCurrentMxCAD();
mxcad.drawEntity(circle);

const getPoint = new MxCADUiPrPoint();
getPoint.setUserDraw((pt,pw)=>{
  //获取pt到circle上最近的点
  const point = circle.getClosestPointTo(pt);
  console.log(point)
})
const point = await getPoint.go();

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

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

// 假设curve为有效曲线实例对象
const res = curve.getDistAtParam(2);
if(res.ret){
  console.log(res.val)
}

import { McGePoint3d, McDbLine } from "mxcad"

const pt1 = new McGePoint3d(0,0,0);
const pt2 = new McGePoint3d(20,0,0);
const line = new McDbLine(pt1, pt2)
const res = line.getDistAtPoint(pt2);
if(res.ret){
  const dist = res.val;
  console.log(dist);//20
}

// 假设curve为有效曲线实例对象
const endPa = curve.getEndParam();
if(endPa.ret){
  console.log(endPa.val)
}

import { McGePoint3d, McDbLine } from "mxcad"

const pt1 = new McGePoint3d(0,0,0);
const pt2 = new McGePoint3d(20,0,0);
const line = new McDbLine(pt1, pt2)
const res = line.getEndPoint();
if(res.ret){
  const point = res.val;
  console.log(point);//(20, 0, 0)
}

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

import { McGePoint3d, McDbCircle } from "mxcad"

const center = new McGePoint3d(0,0,0);
const circle = new McDbCircle(center, 20);
const vec = circle.getFirstDeriv(new McGePoint3d(20,0,0));//目标点切向量
if(vec.ret){
 const val = vec.val;
}

// 假设curve为有效曲线实例对象
const res = curve.getFirstDerivFromParam(5);
if(res.ret){
  console.log(res.val)
}

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

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

import { McRxObject } from 'mxcad';

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

import { McRxObject } from 'mxcad';

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

import { MxCpp, MxCADResbuf, MxCADUtility, MxCADUiPrPoint} from "mxcad"

 const mxcad = MxCpp.App.getCurrentMxCAD();
   let filter = new MxCADResbuf();
   filter.AddMcDbEntityTypes("CIRCLE,ARC,LINE,LWPOLYLINE,ELLIPSE");
   let aryId = await MxCADUtility.userSelect("选择目标曲线", filter);
   if (aryId.length == 0)  return;
   aryId.forEach(async (id) => {
       let event = id.getMcDbEntity() as McDbCurve;
       let length = event.getLength().val;
       console.log(length)
   });

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

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

// 假设curve为有效曲线实例对象
const res = curve.getParamAtDist(0);
if(res.ret){
  console.log(res.val)
}

import { McGePoint3d, McDbLine } from "mxcad"

const pt1 = new McGePoint3d(0,0,0);
const pt2 = new McGePoint3d(20,0,0);
const line = new McDbLine(pt1, pt2)
const res = line.getParamAtPoint(pt1);
if(res.ret){
  const val = res.val;
  console.log(val);
}

import { McGePoint3d, McDbLine } from "mxcad"

const pt1 = new McGePoint3d(0,0,0);
const pt2 = new McGePoint3d(20,0,0);
const line = new McDbLine(pt1, pt2)
const res = line.getPointAtDist(10);
if(res.ret){
  const point = res.val;
  console.log(point);//(10, 0, 0)
}

// 假设curve为有效曲线实例对象
const res = curve.getPointAtParam(5);
if(res.ret){
  console.log(res.val)
}

import { McGePoint3d, McDbLine } from "mxcad"

const pt1 = new McGePoint3d(0,0,0);
const pt2 = new McGePoint3d(20,0,0);
const line = new McDbLine(pt1, pt2);
const resBuf = line.getSamplePoints(0.1);

// 假设curve为有效曲线实例对象
const startPa = curve.getStartParam();
if(startPa.ret){
  console.log(startPa.val)
}

import { McGePoint3d, McDbLine } from "mxcad"

const pt1 = new McGePoint3d(0,0,0);
const pt2 = new McGePoint3d(20,0,0);
const line = new McDbLine(pt1, pt2)
const res = line.getStartPoint();
if(res.ret){
  const point = res.val;
  console.log(point);//(0, 0, 0)
}

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

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

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

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

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

import { McRxObject } from 'mxcad';

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

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

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

import { McRxObject } from 'mxcad';

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

import { McRxObject } from 'mxcad';

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

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

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

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

import { MxCADUiPrPoint, MxCpp } from 'mxcad'
   let getFristPoint = new MxCADUiPrPoint();
   let offsetDist = 10 ;
   let getEvent = new MxCADUiPrEntity();
   getEvent.setMessage('指定偏移对象');
   let event_id = await getEvent.go();
   if (!event_id) return;
   let event = (await event_id.getMcDbEntity()) as McDbCurve;
   let getoOffPt = new MxCADUiPrPoint();
   getoOffPt.setMessage('指定偏移点');
   let offPt = await getoOffPt.go();
   if (!offPt) return;
   let objArr = event.offsetCurves(offsetDist, offPt);
   if (objArr.length() === 0) return;
   objArr.forEach((obj: McDbObject) => {
       MxCpp.getCurrentCAD().drawEntity(obj as McDbEntity);
   });

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

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

import { McRxObject } from 'mxcad';

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

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"}]));

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
}

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
}

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
}

import { MxCpp } from "mxcad"
// PointsArr:断点数组 event:McDbCurve
   event.splitCurves(PointsArr).forEach((e:McDbCurve, index:number) => {
       if(index % 2 === 0){
           MxCpp.getCurrentCAD().drawEntity(e as McDbEntity)
       }
   })

// 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
}

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);