模型裁剪修改

584911253@qq.com

2023-03-13 e78397cc852166314ad0eab66008fb090d798f4a

模型裁剪修改

 src/views/Synthesis/LeftMenu.vue

@@ -666,7 +666,8 @@
      }, {
        value: '其他模型',
        label: '其他模型'
      }]
      }],
      targetY: 0.0,
    };
  },
  methods: {
@@ -674,8 +675,8 @@
    setChangeTwoMenu(res) {
      var val = res.id[0];
      if (window.model != null) {
        window.model.deleteObject();
        window.model = null;
        // window.model.deleteObject();
        // window.model = null;
      }
      sgworld.Analysis.clearCurtainContrast();
      if (this.isMenuFlag == "d") {
@@ -1518,18 +1519,39 @@
          //   window.MXModel=null;
          // } else {
          var that = this;
          window.model = sgworld.Creator.create3DTilesets(
            "",
            modelUrl + "/tileset/m/SN/tileset.json",
            {},
            {},
            "0",
            true,
            (data) => {
              sgworld.Navigate.flyToObj(data);
              that.setclippingModel();
            }
          );
          if (window.model){
            that.modelClipping();
          }else {
            var tileset = Viewer.scene.primitives.add(
                new Cesium.Cesium3DTileset({
                  name: res.cnName,
                  url: modelUrl+ "/tileset/m/SN/tileset.json",
                  maximumScreenSpaceError: 64, // 最大屏幕空间错误：16
                  maximumMemoryUsage: 768, // 最大内存：512
                  dynamicScreenSpaceError: true, // 减少离相机较远的屏幕空间错误：false
                  skipLevelOfDetail: true, // 在遍历时候跳过详情：false
                })
            );
            tileset.readyPromise.then((tileset) => {
              tileset.id = res.cnName;
              tileset.layerId = res.id;
              Viewer.flyTo(tileset);
              that.modelClipping();
            });
            window.model = tileset
          }
          // window.model = sgworld.Creator.create3DTilesets(
          //   "",
          //   modelUrl + "/tileset/m/SN/tileset.json",
          //   {},
          //   {},
          //   "0",
          //   true,
          //   (data) => {
          //     sgworld.Navigate.flyToObj(data);
          //     that.setclippingModel();
          //   }
          // );

          break;
        case "d9": //管道分析
@@ -1689,6 +1711,96 @@
          break;
      }
    },

    //模型裁切
    modelClipping() {
      const scene = Viewer.scene;
      let targetY = 0.0;
      let planeEntities = [];
      let selectedPlane;
      let clippingPlanes = new Cesium.ClippingPlaneCollection({
        planes: [ // ClippingPlane对象数组集合
          new Cesium.ClippingPlane( // 裁切面
              new Cesium.Cartesian3(0.0, 0.0, -1.0), // 法线方向
              0.0 // 原点到平面的最短距离，设置0就好
          ),
        ],
        edgeWidth: 1.0, // 模型被裁切部分的截面线宽
      });
      let boundingSphere = window.model.boundingSphere;
      // 创建添加裁剪平面
      for (let i = 0; i < clippingPlanes.length; ++i) {
        const plane = clippingPlanes.get(i);
        const planeEntity = Viewer.entities.add({
          position: boundingSphere.center,
          plane: {
            dimensions: new Cesium.Cartesian2(
                boundingSphere.radius * 1.5,
                boundingSphere.radius * 1.5
            ),
            material: Cesium.Color.WHITE.withAlpha(0.1),
            plane: new Cesium.CallbackProperty(
                // 添加绑定事件，不断调用
                createPlaneUpdateFunction(plane),
                false
            ),
            outline: true,
            outlineColor: Cesium.Color.WHITE,
          },
        });
        planeEntities.push(planeEntity);
      }
      window.model.clippingPlanes = clippingPlanes;

      // Select plane when mouse down
      // 绑定上移动事件
      const downHandler = new Cesium.ScreenSpaceEventHandler(
          Viewer.scene.canvas
      );
      downHandler.setInputAction(function (movement) {
        const pickedObject = scene.pick(movement.position);
        if (
            Cesium.defined(pickedObject) &&
            Cesium.defined(pickedObject.id.plane)
        ) {
          selectedPlane = pickedObject.id.plane;
          selectedPlane.material = Cesium.Color.WHITE.withAlpha(0.05);
          selectedPlane.outlineColor = Cesium.Color.WHITE;
          scene.screenSpaceCameraController.enableInputs = false;
        }
      }, Cesium.ScreenSpaceEventType.LEFT_DOWN);

      // Release plane on mouse up
      // 绑定下移动事件
      const upHandler = new Cesium.ScreenSpaceEventHandler(
          Viewer.scene.canvas
      );
      upHandler.setInputAction(function () {
        if (Cesium.defined(selectedPlane)) {
          selectedPlane.material = Cesium.Color.WHITE.withAlpha(0.1);
          selectedPlane.outlineColor = Cesium.Color.WHITE;
          selectedPlane = undefined;
        }
        scene.screenSpaceCameraController.enableInputs = true;
      }, Cesium.ScreenSpaceEventType.LEFT_UP);
      // Update plane on mouse move
      const moveHandler = new Cesium.ScreenSpaceEventHandler(
          Viewer.scene.canvas
      );
      moveHandler.setInputAction(function (movement) {
        if (Cesium.defined(selectedPlane)) {
          const deltaY = movement.startPosition.y - movement.endPosition.y;
          targetY += deltaY;
        }
      }, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
      function createPlaneUpdateFunction(plane) {
        return function () {
          plane.distance = targetY;
          return plane;
        };
      }
    },

    //关闭管道信息弹窗
    closePipelinePop(){
      this.$refs &&

 src/views/Tools/LayerTree.vue

@@ -564,7 +564,7 @@
          for (var i in Viewer.scene.primitives._primitives) {
            Viewer.scene.primitives._primitives[i].show = checked;
            if (Viewer.scene.primitives._primitives[i].id == data.cnName) {
              std.push(res.id);
              // std.push(res.id);
              Viewer.flyTo(Viewer.scene.primitives._primitives[i]);
            }
          }
@@ -669,7 +669,6 @@
        });
        window.map.addLayer(vectorLayer);
      } else if (res.serveType == "Tileset") {

        var tileset = Viewer.scene.primitives.add(
          new Cesium.Cesium3DTileset({
            name: res.cnName,
@@ -680,13 +679,13 @@
            skipLevelOfDetail: true, // 在遍历时候跳过详情：false
          })
        );

        tileset.readyPromise.then((tileset) => {
          tileset.id = res.cnName;
          tileset.layerId = res.id;
          this.tileSet(tileset, parseFloat(res.elev))
          Viewer.flyTo(tileset);
        });
        window.model = tileset
      }
    },