功能:新增简化多段线功能

types/DatabaseServices/Spline.d.ts

@@ -3,10 +3,11 @@ import { ObjectSnapMode } from '../Editor/ObjectSnapMode';
 import { RenderType } from '../GraphicsSystem/RenderType';
 import { CADFiler } from './CADFiler';
 import { Curve } from './Entity/Curve';
+import { Polyline } from './Entity/Polyline';
 export declare class Spline extends Curve {
     private _PointList;
     private _ClosedMark;
-    constructor(points?: Vector3[]);
+    constructor(_PointList?: Vector3[]);
     get Shape(): Shape;
     get Curve3(): CatmullRomCurve3;
     get Length(): number;
@@ -19,6 +20,8 @@ export declare class Spline extends Curve {
     get EndPoint(): Vector3;
     get StartParam(): number;
     get EndParam(): number;
+    GetClosestPointTo(pt: Vector3, extend: boolean): Vector3;
+    GetOffsetCurves(offsetDist: number): Array<Spline>;
     GetGripPoints(): Vector3[];
     GetStretchPoints(): Vector3[];
     MoveGripPoints(indexList: Array<number>, vec: Vector3): void;
@@ -26,7 +29,7 @@ export declare class Spline extends Curve {
     GetObjectSnapPoints(snapMode: ObjectSnapMode, pickPoint: Vector3, lastPoint: Vector3, viewXform?: Matrix3): Vector3[];
     InitDrawObject(renderType?: RenderType): Object3D;
     UpdateDrawObject(type: RenderType, en: Object3D): void;
-    Convert2Polyline(count?: number): import("./Entity/Polyline").Polyline;
+    Convert2Polyline(): Polyline;
     protected _ReadFile(file: CADFiler): void;
     WriteFile(file: CADFiler): void;
 }