功能:dli和半径标注,直径标注可以直接标注板

src/Add-on/DrawDim/DrawAlignedDimension.ts

@@ -1,9 +1,10 @@
-import { Vector3, Matrix4 } from 'three';
+import { Matrix4, Vector3 } from 'three';
 import { app } from '../../ApplicationServices/Application';
-import { Circle } from '../../DatabaseServices/Entity/Circle';
-import { Curve } from '../../DatabaseServices/Entity/Curve';
 import { AlignedDimension } from '../../DatabaseServices/Dimension/AlignedDimension';
 import { LinearDimension } from '../../DatabaseServices/Dimension/LinearDimension';
+import { Board } from '../../DatabaseServices/Entity/Board';
+import { Circle } from '../../DatabaseServices/Entity/Circle';
+import { Curve } from '../../DatabaseServices/Entity/Curve';
 import { Line } from '../../DatabaseServices/Entity/Line';
 import { Polyline } from '../../DatabaseServices/Entity/Polyline';
 import { Command } from '../../Editor/CommandMachine';
@@ -53,7 +54,7 @@ export class DrawAlignedDimension implements Command
     {
         let enRes = await app.Editor.GetEntity({
             Msg: "选择对象",
-            Filter: { filterTypes: [Curve] }
+            Filter: { filterTypes: [Curve, Board] }
         });
         if (enRes.Status !== PromptStatus.OK)
             return;
@@ -61,6 +62,10 @@ export class DrawAlignedDimension implements Command
         let en = enRes.Entity as Curve;
         let footPt1: Vector3;
         let footPt2: Vector3;
+
+        if (en instanceof Board)
+            en = en.ContourCurve.Clone().ApplyMatrix(en.OCSNoClone);
+
         if (en instanceof Polyline || en instanceof Circle)
         {
             let cp = en.GetClosestPointTo(enRes.Point, false);

src/Add-on/DrawDim/DrawRadiusDim.ts

@@ -3,7 +3,9 @@ import { app } from "../../ApplicationServices/Application";
 import { DiameterDimension } from "../../DatabaseServices/Dimension/DiameterDimension";
 import { RadiusDimension } from "../../DatabaseServices/Dimension/RadiusDimension";
 import { Arc } from "../../DatabaseServices/Entity/Arc";
+import { Board } from "../../DatabaseServices/Entity/Board";
 import { Circle } from "../../DatabaseServices/Entity/Circle";
+import { Polyline } from "../../DatabaseServices/Entity/Polyline";
 import { Command } from "../../Editor/CommandMachine";
 import { JigUtils } from "../../Editor/JigUtils";
 import { PromptStatus } from "../../Editor/PromptResult";
@@ -14,6 +16,20 @@ export enum RadOrDia
     Dia = 1,
 }
 
+function GetBoardCurve(ent: Board, p: Vector3): Arc | Circle | undefined
+{
+    if (ent.ContourCurve instanceof Circle) return ent.ContourCurve;
+
+    let cu = ent.ContourCurve.Clone().ApplyMatrix(ent.OCSNoClone) as Polyline;
+    p = cu.GetClosestPointTo(p, false);
+    if (!p) return undefined;
+
+    let param = cu.GetParamAtPoint(p);
+    let ccu = cu.GetCurveAtParam(param);
+    if (ccu instanceof Arc)
+        return ccu;
+}
+
 export class DrawRadiusDim implements Command
 {
     protected type: RadOrDia = RadOrDia.Rad;
@@ -24,17 +40,34 @@ export class DrawRadiusDim implements Command
         {
             let enRes = await app.Editor.GetEntity({
                 Msg: "选择圆或者圆弧",
-                Filter: { filterTypes: [Circle, Arc] }
+                Filter: {
+                    filterFunction: (obj, ent) =>
+                    {
+                        if (ent instanceof Arc || ent instanceof Circle) return true;
+
+                        if (ent instanceof Board)
+                        {
+                            let ccu = GetBoardCurve(ent, app.Editor.MouseCtrl._CurMousePointWCS.clone());
+                            return ccu !== undefined;
+                        }
+                    }
+                }
             });
 
             if (enRes.Status === PromptStatus.Cancel)
                 return;
             else if (enRes.Entity)
             {
+                if (enRes.Entity instanceof Board)
+                    cu = GetBoardCurve(enRes.Entity, enRes.Point);
+                else
                     cu = enRes.Entity as Arc | Circle;
                 break;
             }
         }
+
+        if (!cu) return;
+
         let rad = cu.Radius;
         let oldUCS = app.Editor.UCSMatrix;
         app.Editor.UCSMatrix = new Matrix4().extractRotation(cu.OCS);