异形优化:避免圆形孔洞或者圆形轮廓被过滤或者优化成矩形

src/Nest/Converter/ConverBoard2Part.ts

@@ -101,9 +101,12 @@ export function ConverBoard2Part(board: Board, knifRadius = 3.5): Part
         arrayRemoveDuplicateBySort(pts, (p1, p2) => equalv2(p1, p2, 1e-2));
         path = new Path(pts);
 
-        let area = path.BoundingBox.area - path.Area;
-        if (area < 15000 && pts.length > 6)
-            path = NestCache.CreatePath(board.Width, board.Height, knifRadius);
+        if (!(board.ContourCurve instanceof Circle))//如果是圆则不用优化成矩形
+        {
+            let area = path.BoundingBox.area - path.Area;
+            if (area < 15000 && pts.length > 6)
+                path = NestCache.CreatePath(board.Width, board.Height, knifRadius);
+        }
     }
     part.Init2(path, DefaultBin, Rotations[board.BoardProcessOption.lines]);
     for (let m of board.BoardModeling)
@@ -116,7 +119,7 @@ export function ConverBoard2Part(board: Board, knifRadius = 3.5): Part
             part.UserData.push(m.shape.Outline.Curve.Clone());
 
             let path = new Path(pts);
-            if (path.Area > 15000)
+            if ((m.shape.Outline.Curve instanceof Circle) || path.Area > 15000)//如果是圆,则不优化过滤小孔洞
                 part.AppendHole(path);
         }
     }