fix #IZPZC 限制DLI在UCS上标注

src/Add-on/DrawDim/DrawAlignedDimension.ts

@@ -10,7 +10,6 @@ import { Command } from '../../Editor/CommandMachine';
 import { JigUtils } from '../../Editor/JigUtils';
 import { PromptStatus } from '../../Editor/PromptResult';
 import { ContinueDrawDimension } from './Command_DimContinue';
-import { equaln } from '../../Geometry/GeUtils';
 
 export enum DimensionType
 {
@@ -31,7 +30,7 @@ export class DrawAlignedDimension implements Command
             await this.PickUpDim();
 
     }
-    private async SelectPointDim(footPt1: Vector3)
+    protected async SelectPointDim(footPt1: Vector3)
     {
         let ptRes = await app.Editor.GetPoint({
             Msg: "请输入第二条尺寸线原点:",
@@ -39,7 +38,7 @@ export class DrawAlignedDimension implements Command
             AllowDrawRubberBand: true,
         });
         let footPt2 = ptRes.Point;
-        if (ptRes.Status != PromptStatus.OK)
+        if (ptRes.Status !== PromptStatus.OK)
             return;
 
         await this.BuildDim(footPt1, footPt2);
@@ -77,7 +76,7 @@ export class DrawAlignedDimension implements Command
         footPt2 = en.EndPoint;
         await this.BuildDim(footPt1, footPt2);
     }
-    private async BuildDim(footPt1: Vector3, footPt2: Vector3)
+    protected async BuildDim(footPt1: Vector3, footPt2: Vector3)
     {
         let alDim: AlignedDimension | LinearDimension;
         if (this.DimType === DimensionType.Align)

src/Add-on/DrawDim/DrawLinearDimension.ts

@@ -1,3 +1,6 @@
+import { Matrix4, Vector3 } from 'three';
+import { app } from '../../ApplicationServices/Application';
+import { PromptStatus } from '../../Editor/PromptResult';
 import { DimensionType, DrawAlignedDimension } from './DrawAlignedDimension';
 
 export class DrawLinearDimension extends DrawAlignedDimension
@@ -7,4 +10,21 @@ export class DrawLinearDimension extends DrawAlignedDimension
         super();
         this.DimType = DimensionType.Linear;
     }
+
+    protected async SelectPointDim(footPt1: Vector3)
+    {
+        let ptRes = await app.Editor.GetPoint({
+            Msg: "请输入第二条尺寸线原点:",
+            BasePoint: footPt1,
+            AllowDrawRubberBand: true,
+        });
+        if (ptRes.Status !== PromptStatus.OK)
+            return;
+
+        let footPt2 = ptRes.Point;
+        let ucs = app.Editor.UCSMatrix.clone().setPosition(footPt1);
+        let ucsInv = new Matrix4().getInverse(ucs);
+        footPt2.applyMatrix4(ucsInv).setZ(0).applyMatrix4(ucs);
+        await this.BuildDim(footPt1, footPt2);
+    }
 }