修正板件轮廓`提取`的时候相机范围可能丢失的问题

src/GraphicsSystem/CameraUpdate.ts

@@ -177,9 +177,7 @@ export class CameraUpdate
 
     /**
      * 设置相机的观察向量.
-     * 
      * @param {Vector3} dir 方向向量,这个向量传入后会被更改为单位向量
-     * @memberof CameraControl
      */
     LookAt(dir: Vector3)
     {
@@ -195,9 +193,6 @@ export class CameraUpdate
     }
     /**
      * 根据视口大小,设置相机视口范围.
-     * 
-     * @returns 
-     * @memberof CameraControl
      */
     Update()
     {

src/UI/Components/Board/BoardConfigModal.tsx

@@ -196,6 +196,7 @@ export class BoardConfigModal extends React.Component<BoardConfigProps, {}>{
         app.Editor.MaskManage.Clear();
         let br = this.props.br;
         app.Viewer.CameraCtrl.LookAt(br.Normal.negate());
+        app.Viewer.CameraCtrl.ZoomExtensBox3(br.BoundingBox.expandByScalar(1000));
         app.Editor.UCSMatrix = new Matrix4().extractRotation(br.OCS);
 
         let cu = JigUtils.Draw(br.ContourCurve.Clone().ApplyMatrix(br.OCS));