优化:AutoDimBrs在某些柜体坐标系错误的情况下标注位置在柜子最前方

src/Add-on/DrawDim/DimBoards.ts

@@ -134,6 +134,9 @@ export class DimBoards
 
             let backReg = new Region;//背板面域
             let lcReg = new Region;//立板层板面域
+
+            let minY = Infinity;//把标注移动到柜子的最前面(而不是柜子的某个板的模块坐标系)
+
             //板件轮廓
             for (let br of brs)
             {
@@ -150,8 +153,15 @@ export class DimBoards
                     let pl = new Polyline().RectangleFrom2Pt(new Vector3(brBox.min.x, brBox.min.z), new Vector3(brBox.max.x, brBox.max.z));
                     lcReg.BooleanOper(Region.CreateFromCurves([pl]), BoolOpeartionType.Union);
                 }
+
+                minY = Math.min(brBox.min.y, minY);
             }
 
+            //修正坐标系基点 保证在柜子的最前面
+            spaceFrontCS.elements[12] -= minY * y.x;
+            spaceFrontCS.elements[13] -= minY * y.y;
+            spaceFrontCS.elements[14] -= minY * y.z;
+
             //并集
             let reg = backReg.Clone();
             reg.BooleanOper(lcReg.Clone(), BoolOpeartionType.Union);