feat: 2DView Performance Optimization

packages/lb-annotation/src/core/pointCloud/annotation.ts

@@ -230,7 +230,11 @@ export class PointCloudAnnotation implements IPointCloudAnnotationOperation {
     this.updatePointList(sphereList);
   }
 
-  public updatePolygonList = (pointCloudDataList: IPointCloudBox[], extraList?: IPolygonData[]) => {
+  public updatePolygonList = (
+    pointCloudDataList: IPointCloudBox[],
+    extraList?: IPolygonData[],
+    isDeleteSelectedID: boolean = true,
+  ) => {
     let polygonList = pointCloudDataList.map((v: IPointCloudBox) => {
       const { polygon2d: pointList } = this.pointCloudInstance.getBoxTopPolygon2DCoordinate(v);
       return {
@@ -256,10 +260,10 @@ export class PointCloudAnnotation implements IPointCloudAnnotationOperation {
       );
     }
 
-    this.toolScheduler.updateDataByToolName(EToolName.PointCloudPolygon, polygonList);
+    this.toolScheduler.updateDataByToolName(EToolName.PointCloudPolygon, polygonList, isDeleteSelectedID);
   };
 
-  public updatePointList = (sphereList: IPointCloudSphere[]) => {
+  public updatePointList = (sphereList: IPointCloudSphere[], isDeleteSelectedID: boolean = true) => {
     const pointList = sphereList?.map((v: IPointCloudSphere) => {
       const { point2d } = this.pointCloudInstance.getSphereTopPoint2DCoordinate(v);
       return {
@@ -271,7 +275,7 @@ export class PointCloudAnnotation implements IPointCloudAnnotationOperation {
         textAttribute: '',
       };
     }) as IPointUnit[];
-    this.toolScheduler.updateDataByToolName(EToolName.Point, pointList);
+    this.toolScheduler.updateDataByToolName(EToolName.Point, pointList, isDeleteSelectedID);
   };
 
   /**

packages/lb-annotation/src/core/scheduler.ts

@@ -350,11 +350,11 @@ export class ToolScheduler implements IToolSchedulerOperation {
    * there is no more specific instance like pointCloud2dOperation you can reach,
    * so if you need to update result in specific operation instance, you can try this.
    */
-  public updateDataByToolName(toolName: EToolName, result: any) {
+  public updateDataByToolName(toolName: EToolName, result: any, isDeleteSelectedID: boolean = true) {
     const operationIndex = this.toolOperationNameList.indexOf(toolName);
     if (operationIndex >= 0) {
       const operationInstance = this.toolOperationList[operationIndex];
-      operationInstance.setResult(result);
+      operationInstance.setResult(result, isDeleteSelectedID);
     }
   }
 

packages/lb-annotation/src/core/toolOperation/basicToolOperation.ts

@@ -251,7 +251,7 @@ class BasicToolOperation extends EventListener {
     this.clearImgDrag = this.clearImgDrag.bind(this);
 
     // 初始化监听事件
-    this.dblClickListener = new DblClickEventListener(this.container, 200);
+    this.dblClickListener = new DblClickEventListener(this.container, 300);
     this.coordUtils = new CoordinateUtils(this);
     this.coordUtils.setBasicImgInfo(this.basicImgInfo);
 
@@ -857,15 +857,36 @@ class BasicToolOperation extends EventListener {
     this.offscreenCtx?.clearRect(0, 0, this.size.width, this.size.height);
   }
 
+  private moveAnimationFrameId: number | null = null;
+
+  private onWheelAnimationFrameId: number | null = null;
+
   /** 事件绑定 */
   public eventBinding() {
     this.dblClickListener.addEvent(() => {}, this.onLeftDblClick, this.onRightDblClick);
     this.container.addEventListener('mousedown', this.onMouseDown);
-    this.container.addEventListener('mousemove', this.onMouseMove);
+    this.container.addEventListener('mousemove', (event) => {
+      if (this.moveAnimationFrameId) return;
+
+      this.moveAnimationFrameId = requestAnimationFrame(() => {
+        this.onMouseMove(event);
+        this.moveAnimationFrameId = null;
+      });
+    });
+
     this.container.addEventListener('mouseup', this.onMouseUp);
     this.container.addEventListener('mouseleave', this.onMouseLeave);
     this.container.addEventListener('click', this.onClick);
-    this.container.addEventListener('wheel', this.onWheel);
+
+    this.container.addEventListener('wheel', (event) => {
+      if (this.onWheelAnimationFrameId) return;
+
+      this.onWheelAnimationFrameId = requestAnimationFrame(() => {
+        this.onWheel(event);
+        this.onWheelAnimationFrameId = null;
+      });
+    });
+
     document.addEventListener('keydown', this.onKeyDown);
     document.addEventListener('keyup', this.onKeyUp);
     window.parent.document.addEventListener('contextmenu', this.onContextmenu, false);

packages/lb-annotation/src/core/toolOperation/polygonOperation.ts

@@ -259,8 +259,8 @@ class PolygonOperation extends BasicToolOperation {
     this.render();
   }
 
-  public setResult(polygonList: IPolygonData[]) {
-    this.clearActiveStatus();
+  public setResult(polygonList: IPolygonData[], isDeleteSelectedID: boolean = true) {
+    this.clearActiveStatus(isDeleteSelectedID);
     this.setPolygonList(polygonList);
     this.render();
   }
@@ -350,7 +350,6 @@ class PolygonOperation extends BasicToolOperation {
     }
 
     this.rectToolMode = localStorage.getItem(RECT_TOOL_MODE_NAME) as ERectToolModeType;
-    this.deleteSelectedID();
     const coordinateZoom = this.getCoordinateUnderZoom(e);
     const coordinate = AxisUtils.changeDrawOutsideTarget(
       coordinateZoom,
@@ -440,9 +439,11 @@ class PolygonOperation extends BasicToolOperation {
   /**
    *  清楚所有的中间状态
    */
-  public clearActiveStatus() {
+  public clearActiveStatus(isDeleteSelectedID: boolean = true) {
     this.clearPolygonDrag();
-    this.deleteSelectedID();
+    if (isDeleteSelectedID) {
+      this.deleteSelectedID();
+    }
   }
 
   public clearDrawingStatus() {

packages/lb-annotation/src/core/toolOperation/rectOperation.ts

@@ -74,7 +74,7 @@ class RectOperation extends BasicToolOperation {
   public renderPointCloud2DHighlight(): void {}
 
   constructor(props: IRectOperationProps) {
-    super(props);
+    super({ ...props, isOffscreenCanvas: true });
     this._drawOutSideTarget = props.drawOutSideTarget || false;
     this.rectList = [];
     this.isFlow = true;
@@ -875,8 +875,7 @@ class RectOperation extends BasicToolOperation {
         return;
       }
       this.lastMouseMoveTime = now;
-
-      if (super.onMouseMove(e) || this.forbidMouseOperation || !this.imgInfo) {
+      if (super.onMouseMove(e, false) || this.forbidMouseOperation || !this.imgInfo) {
         return;
       }
 
@@ -893,6 +892,7 @@ class RectOperation extends BasicToolOperation {
 
       if (this.selectedIDs.length > 0 && this.dragInfo) {
         this.onDragMove(coordinate);
+        this.render();
         return;
       }
 
@@ -984,6 +984,13 @@ class RectOperation extends BasicToolOperation {
         };
         this.render();
       }
+      // When dragging the canvas
+      if (this.isDrag && !this.dragInfo) {
+        this.render('drag');
+        return;
+      }
+      // At present, the hover effect of 2D views has little impact and will not be processed temporarily. The default is mouse movement interaction
+      this.render('move');
 
       return undefined;
     });
@@ -1600,6 +1607,14 @@ class RectOperation extends BasicToolOperation {
     });
   }
 
+  // Render the selected rectangle
+  public renderSelectedRects() {
+    this.selectedRects.forEach((rect) => {
+      this.renderDrawingRect(rect);
+      this.renderSelectedRect(rect);
+    });
+  }
+
   public renderSelectedRect(rect?: IRect) {
     if (!this.ctx || !rect) {
       return;
@@ -1864,21 +1879,38 @@ class RectOperation extends BasicToolOperation {
   /**
    * 渲染矩形框体
    */
-  public renderRect() {
-    this.renderStaticRect();
+  public renderRect(trigger?: string) {
+    if (trigger !== 'move') {
+      this.renderStaticRect();
+    }
     this.renderCreatingRect();
   }
 
-  public render() {
+  public render(trigger?: string) {
     if (!this.ctx) {
       return;
     }
 
-    super.render();
-    this.renderRect();
+    if (trigger !== 'move') {
+      super.render();
+    }
+    if (trigger !== 'drag') {
+      this.renderRect(trigger);
+    }
     this.renderCursorLine(this.getLineColor(this.defaultAttribute));
   }
 
+  // Rendering Crosslines
+  public renderCursorLine(lineColor: string) {
+    // Clear Extra Canvas
+    this.clearOffscreenCanvas();
+    const { x, y } = this.coord;
+
+    DrawUtils.drawLine(this.offscreenCanvas, { x: 0, y }, { x: 10000, y }, { color: lineColor });
+    DrawUtils.drawLine(this.offscreenCanvas, { x, y: 0 }, { x, y: 10000 }, { color: lineColor });
+    DrawUtils.drawCircleWithFill(this.offscreenCanvas, { x, y }, 1, { color: 'white' });
+  }
+
   public setDefaultAttribute(defaultAttribute?: string) {
     const oldDefault = this.defaultAttribute;
     this.defaultAttribute = defaultAttribute ?? '';

packages/lb-components/src/components/pointCloud2DRectOperationView/index.tsx

@@ -270,8 +270,17 @@ const PointCloud2DRectOperationView = (props: IPointCloud2DRectOperationViewProp
 
   const onRightClick = ({ targetId, id }: { targetId: string; id: string }) => {
     setNeedUpdateCenter(false);
-    setSelectedIDs(targetId);
-    setRightClickRectId(id);
+    requestAnimationFrame(() => {
+      updateSelectedIDs(targetId);
+      setRightClickRectId(id);
+    });
+  };
+
+  const updateSelectedIDs = (newID: string) => {
+    const currentIDs = Array.isArray(selectedIDs) ? selectedIDs : [];
+    if (!currentIDs.includes(newID)) {
+      setSelectedIDs(newID);
+    }
   };
 
   useEffect(() => {
@@ -416,7 +425,7 @@ const PointCloud2DRectOperationView = (props: IPointCloud2DRectOperationViewProp
       // Center the view by selectedID
       if (!selectedID || !needUpdateCenter) {
         setNeedUpdateCenter(true);
-        // during disconnection 
+        // during disconnection
         if (shouldExcludePointCloudBoxListUpdate) {
           operation.current.setHoverRectID('');
           operation.current.render();
@@ -431,7 +440,7 @@ const PointCloud2DRectOperationView = (props: IPointCloud2DRectOperationViewProp
         setNeedUpdateCenter(true);
         return;
       }
-      // during disconnection 
+      // during disconnection
       if (shouldExcludePointCloudBoxListUpdate) {
         operation.current.setHoverRectID(rect.id);
       }

packages/lb-components/src/components/pointCloudView/hooks/usePointCloudViews.ts

@@ -834,7 +834,7 @@ export const usePointCloudViews = (params?: IUsePointCloudViewsParams) => {
       config?.secondaryAttributeConfigurable ? config?.inputList ?? [] : [],
     );
 
-    topViewInstance?.updatePolygonList(newPointCloudList ?? [], polygonList);
+    topViewInstance?.updatePolygonList(newPointCloudList ?? [], polygonList, false);
     /** If new box is hidden will not active target point box */
     if (isBoxHidden) {
       setSelectedIDs([]);