test: 添加模型编辑、拾取类，完善粒子特效、图层管理、模型剖切

src/app/app.component.css

 #container {
   position: relative;
+  height: 100vh;
+  width: 100vw;
 }
 
 .widgets {

src/app/app.component.html

@@ -8,7 +8,11 @@
     <app-underground></app-underground>
     <app-soil-excavation></app-soil-excavation>
     <app-particle-effect></app-particle-effect>
-    <app-tileset-clipping></app-tileset-clipping>
-    <app-layer-manager></app-layer-manager>
+    <div style="border: 1px solid white; padding: 5px; margin: 5px;">
+      <div><app-layer-manager></app-layer-manager></div>
+      <div>3D tiles 剖切：<app-tileset-clipping></app-tileset-clipping></div>
+      <div>3D tiles 位置编辑：<app-tileset-editor></app-tileset-editor></div>
+      <app-pick></app-pick>
+    </div>
   </div>
 </div>

src/app/app.component.ts

@@ -18,7 +18,8 @@ export class AppComponent implements OnInit {
     this.viewer = this.viewerService.initViewer('container', {
       sceneMode: smart3d.SceneMode.SCENE3D,
       scene3DOnly: true,
-      terrainProvider: smart3d.TerrainManager.createWorldTerrain(),
+      // terrainProvider: smart3d.TerrainManager.createWorldTerrain(),
+      baseMapMode: smart3d.BaseMapMode.ESRI,
       helper: false,
     });
   }

src/app/app.module.ts

@@ -14,6 +14,8 @@ import {
   SoilExcavationComponent,
   ParticleEffectComponent,
   TilesetClippingComponent,
+  TilesetEditorComponent,
+  PickComponent,
 } from './components';
 
 @NgModule({
@@ -29,6 +31,8 @@ import {
     SoilExcavationComponent,
     ParticleEffectComponent,
     TilesetClippingComponent,
+    TilesetEditorComponent,
+    PickComponent,
   ],
   imports: [
     BrowserModule,

src/app/components/index.ts

@@ -8,3 +8,5 @@ export * from './underground';
 export * from './soil-excavation';
 export * from './particle-effect';
 export * from './tileset-clipping';
+export * from './tileset-editor';
+export * from './pick';

src/app/components/layer-manager/layer-manager.component.css

+#modal {
+  max-width: 80vw;
+  max-height: 80vh;
+
+  border: 1px solid #333;
+  border-radius: .3em;
+  box-shadow: 0 0 0 71vmax rgba(0, 0, 0, .8);
+}
\ No newline at end of file

src/app/components/layer-manager/layer-manager.component.html

-<p>layer-manager works!</p>
+<select [(ngModel)]="currentLayerName" (ngModelChange)="handleCurrentLayerNameChange()">
+  <option *ngFor="let layerStore of layersStore" [value]="layerStore.name">
+    {{ layerStore.name }} —— {{ layerStore.type }}
+  </option>
+</select>
+<button (click)="locatingLayer()">定位到该图层</button>
+<button (click)="removeLayer()">删除该图层</button>
+<button (click)="toggleLayerShow()">显隐该图层</button>
+<button (click)="addLayer()">添加图层</button>
+
+<dialog id="modal" #dialog>
+  <form method="dialog">
+    <p>
+      <label for="layer-name">图层名：</label><input id="layer-name" type="text" [(ngModel)]="addLayerStore.name" name="name" />
+    </p>
+    <p>
+      <label for="layer-url">图层 URL：</label><input id="layer-url" type="url" [(ngModel)]="addLayerStore.url" name="url" />
+    </p>
+    <p>
+      <label for="layer-type">图层类型：</label>
+      <select id="layer-type" [(ngModel)]="addLayerStore.type" name="type">
+        <option [value]="LayerTypeMode.MODEL">模型</option>
+        <option [value]="LayerTypeMode.IMAGERY">倾斜摄影</option>
+        <option [value]="LayerTypeMode.POINTCLOUD">点云</option>
+        <option [value]="LayerTypeMode.TERRAIN">地形</option>
+        <option [value]="LayerTypeMode.IMAGEDATA">地图影像</option>
+        <option [value]="LayerTypeMode.PANORAMICIMAGE">全景影像</option>
+        <option [value]="LayerTypeMode.VECTOR">矢量</option>
+        <option [value]="LayerTypeMode.WMS">WMS服务</option>
+        <option [value]="LayerTypeMode.WMTS">WMTS服务</option>
+      </select>
+    </p>
+    
+    <menu>
+      <button (click)="confirmAddLayer('canceled')">取消</button>
+      <button (click)="confirmAddLayer('confirmed')">确定</button>
+    </menu>
+  </form>
+</dialog>
\ No newline at end of file

src/app/components/layer-manager/layer-manager.component.ts

-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, ViewChild, ElementRef } from '@angular/core';
+import { ViewerService } from 'src/app/services';
 
 @Component({
   selector: 'app-layer-manager',
@@ -7,9 +8,118 @@ import { Component, OnInit } from '@angular/core';
 })
 export class LayerManagerComponent implements OnInit {
 
-  constructor() { }
+  public layersStore = [
+    {
+      name: '黄石海事倾斜',
+      url: 'http://172.16.126.125:8090/qlhtest/huangshihaishi/010202ban_qlh/tileset.json',
+      type: smart3d.LayerTypeMode.IMAGERY
+    },
+    {
+      name: '测绘大楼分层模型',
+      url: 'http://www.south-smart.com/w3d-data/modeldata/nanfangcehuiBIM/NFCH0911/CHDLFC/tileset.json',
+      type: smart3d.LayerTypeMode.MODEL
+    },
+    {
+      name: '南昌林业点云服务',
+      url: 'http://www.south-smart.com/w3d-data/modeldata/nanchanglinye/tileset.json',
+      type: smart3d.LayerTypeMode.POINTCLOUD
+    },
+    {
+      name: 'UTM51DOM服务（WMTS）',
+      url: 'http://172.16.10.221:8080/geoserver/gwc/service/wmts?layer=gwth:UTM51DOM',
+      type: smart3d.LayerTypeMode.WMTS
+    },
+    {
+      name: '甘肃联通植被控制点服务',
+      url: 'http://www.south-smart.com/w3d-data/modeldata/gansuliantong/vector/zbpoint/zbpoint.json',
+      type: smart3d.LayerTypeMode.VECTOR,
+      vectorStyle: new smart3d.VectorStyle({
+        fillColor: '#FF0000'
+      })
+    },
+    {
+      name: '甘肃联通其它道路服务',
+      url: 'http://www.south-smart.com/w3d-data/modeldata/gansuliantong/vector/road_QT/road_QT.json',
+      type: smart3d.LayerTypeMode.VECTOR,
+      vectorStyle: new smart3d.VectorStyle({
+        lineColor: '#FF0000',
+        lineWidth: 5
+      })
+    }
+  ];
+  public currentLayerName = this.layersStore.length > 0 ? this.layersStore[0].name : '';
+
+  @ViewChild('dialog', { static: false }) dialog: ElementRef;
+  public addLayerStore = {
+    url: '',
+    name: '',
+    type: '',
+  };
+  public LayerTypeMode = smart3d.LayerTypeMode;
+
+  constructor(
+    private viewerService: ViewerService,
+  ) { }
 
   ngOnInit() {
+    for (const layerStore of this.layersStore) {
+      const layer = new smart3d.Layer({
+        ...layerStore,
+      });
+      this.viewerService.addLayer(layer);
+    }
+    this.viewerService.currentLayerNameChange.emit(this.currentLayerName);
+  }
+
+  /**
+   * 定位到当前图层，依赖于 this.currentLayerName
+   */
+  locatingLayer(): void {
+    this.viewerService.flyToLayerByName(this.currentLayerName);
+  }
+
+  addLayer() {
+    if (typeof this.dialog.nativeElement.showModal === 'function') {
+      this.dialog.nativeElement.showModal();
+    } else {
+      alert('你的浏览器不支持 dialog API。');
+    }
+  }
+
+  confirmAddLayer(type: 'canceled' | 'confirmed') {
+
+    if (type === 'confirmed') {
+      if (Object.values(this.addLayerStore).some(v => v  === '')) {
+        alert('图层名、图层 URL 或图层类型不能为空');
+        return;
+      }
+
+      this.dialog.nativeElement.close();
+
+      try {
+        this.viewerService.addLayer({ ...this.addLayerStore });
+        this.layersStore.push({ ...this.addLayerStore });
+      } catch (e) {
+        alert(e.message);
+      }
+    } else if (type === 'canceled') {
+      this.dialog.nativeElement.close();
+    }
+  }
+
+  removeLayer() {
+    this.viewerService.removeLayerByName(this.currentLayerName);
+
+    const layerIndex = this.layersStore.findIndex(layer => layer.name === this.currentLayerName);
+    this.layersStore.splice(layerIndex, 1);
+  }
+
+  toggleLayerShow() {
+    this.viewerService.toggleLayerShow(this.currentLayerName);
+  }
+
+  handleCurrentLayerNameChange(): void {
+    this.viewerService.currentLayerNameChange.emit(this.currentLayerName);
   }
 
 }

src/app/components/particle-effect/particle-effect.component.html

 <div>
-  <button (click)="enableParticleEffect('rain')">开启雨</button>
+  <button (click)="rainEffect ? disableEffect('rain') : enableParticleEffect('rain')">
+    {{ rainEffect ? '取消' : '开启' }}雨
+  </button>
   <input type="range" (change)="handleChangeRange('rain', $event)" max="1" min="0" step="0.1" [disabled]="rainEffect === undefined">
-  <button (click)="enableParticleEffect('snow')">开启雪</button>
+  <button (click)="snowEffect ? disableEffect('snow') : enableParticleEffect('snow')">
+    {{ snowEffect ? '取消' : '开启' }}雪
+  </button>
   <input type="range" (change)="handleChangeRange('snow', $event)" max="1" min="0" step="0.1" [disabled]="snowEffect === undefined">
-  <button (click)="enableParticleEffect('fog')">开启雾</button>
+  <button (click)="fogEffect ? disableEffect('fog') : enableParticleEffect('fog')">
+    {{ fogEffect ? '取消' : '开启' }}雾
+  </button>
   <input type="range" (change)="handleChangeRange('fog', $event)" max="1" min="0" step="0.1" [disabled]="fogEffect === undefined">
   <button (click)="enableParticleEffect('smoke')">添加烟</button>
   <button (click)="enableParticleEffect('fire')">添加火</button>

src/app/components/particle-effect/particle-effect.component.ts

@@ -22,6 +22,29 @@ export class ParticleEffectComponent implements OnInit {
     this.particleEffect = new smart3d.ParticleEffect(viewer);
   }
 
+  disableEffect(type: string) {
+    switch (type) {
+      case 'rain':
+        if (this.rainEffect) {
+          this.rainEffect.clear();
+          this.rainEffect = undefined;
+        }
+        break;
+      case 'snow':
+        if (this.snowEffect) {
+          this.snowEffect.clear();
+          this.snowEffect = undefined;
+        }
+        break;
+      case 'fog':
+        if (this.fogEffect) {
+          this.fogEffect.clear();
+          this.fogEffect = undefined;
+        }
+        break;
+    }
+  }
+
   enableParticleEffect(type: string) {
     const viewer = this.viewerService.viewer;
     const cartesian = Cesium.Cartesian3.fromDegrees(115, 24, 250);

src/app/components/pick/index.ts

+export * from './pick.component';

src/app/components/pick/pick.component.html

+<button (click)="handlePick('highlight')">高亮拾取</button>
+<button (click)="handlePick('offset')">偏移拾取</button>
+<button (click)="handlePick('transparent')">透明拾取</button>
+<button (click)="clearPick()">清除拾取效果</button>
+<button (click)="destroyPick()">取消拾取</button>
\ No newline at end of file

src/app/components/pick/pick.component.spec.ts

+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PickComponent } from './pick.component';
+
+describe('PickComponent', () => {
+  let component: PickComponent;
+  let fixture: ComponentFixture<PickComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ PickComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PickComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/components/pick/pick.component.ts

+import { Component, OnInit } from '@angular/core';
+import { ViewerService } from 'src/app/services';
+
+@Component({
+  selector: 'app-pick',
+  templateUrl: './pick.component.html',
+  styleUrls: ['./pick.component.css']
+})
+export class PickComponent implements OnInit {
+
+  private pick;
+
+  constructor(
+    private viewerService: ViewerService,
+  ) { }
+
+  ngOnInit() {
+  }
+
+  handlePick(type: 'highlight' | 'offset' | 'transparent') {
+    const viewer = this.viewerService.viewer;
+    if (undefined !== this.pick) {
+      this.pick.destroy();
+    }
+
+    this.pick = new smart3d.Pick(viewer, smart3d.PickMode[type.toUpperCase()]);
+    this.pick.start();
+    this.pick.clickEvent.addEventListener((pickedObject, cartesian) => {
+      const degreesCartographic = this.viewerService.cartesianToDegreesCartographic(cartesian);
+      alert('拾取到的坐标：(' + degreesCartographic.longitude + ', ' + degreesCartographic.latitude + ', ' + degreesCartographic.height + ')');
+    });
+  }
+
+  clearPick() {
+    if (undefined !== this.pick) {
+      this.pick.clear();
+    }
+  }
+
+  destroyPick() {
+    if (undefined !== this.pick) {
+      this.pick.destroy();
+    }
+  }
+}

src/app/components/tileset-clipping/tileset-clipping.component.ts

 import { Component, OnInit } from '@angular/core';
 import { ViewerService } from 'src/app/services';
 
-const tilesetUrl = 'https://www.south-smart.com/cesium/modeldata/nanfangcehuiBIM/NFCH0911/CHDLFC/tileset.json';
-
 @Component({
   selector: 'app-tileset-clipping',
   templateUrl: './tileset-clipping.component.html',
@@ -11,7 +9,6 @@ const tilesetUrl = 'https://www.south-smart.com/cesium/modeldata/nanfangcehuiBIM
 export class TilesetClippingComponent implements OnInit {
   public clippingPlane: 'X' | 'Y' | 'Z' = 'Z';
 
-  private tileset;
   private clipping;
 
   constructor(
@@ -22,9 +19,15 @@ export class TilesetClippingComponent implements OnInit {
   }
 
   enableClipping(enable?: boolean) {
+    const currentLayerPrimitive = this.viewerService.getPrimitiveByLayerName(this.viewerService.currentLayerName);
+    if (!(currentLayerPrimitive instanceof Cesium.Cesium3DTileset)) {
+      alert('当前图层不是模型、倾斜或点云，不能编辑。');
+      return;
+    }
+
     const viewer = this.viewerService.viewer;
 
-    if (this.clipping) {
+    if (undefined !== this.clipping) {
       this.clipping.destroy();
     }
 
@@ -38,26 +41,12 @@ export class TilesetClippingComponent implements OnInit {
       outline: true,
       outlineColor: Cesium.Color.RED,
       edgeStylingEnabled: true,
-      debugBoundingVolumesEnabled: true,
+      // debugBoundingVolumesEnabled: true,
     };
-    const that = this;
 
-    function createAndStartClipping() {
-      that.clipping = new smart3d.Clipping(viewer, clippingOptions);
-      that.clipping.start(that.tileset, smart3d.ClippingMode[that.clippingPlane]);
+    this.clipping = new smart3d.Clipping(viewer, clippingOptions);
+    this.clipping.start(currentLayerPrimitive, smart3d.ClippingMode[this.clippingPlane]);
+    viewer.flyTo(currentLayerPrimitive);
   }
 
-    if (undefined === this.tileset) {
-      this.tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
-        url: tilesetUrl,
-      }));
-      this.tileset.readyPromise.then(tileset => {
-        createAndStartClipping();
-        viewer.flyTo(tileset);
-      });
-    } else {
-      createAndStartClipping();
-      viewer.flyTo(this.tileset);
-    }
-  }
 }

src/app/components/tileset-editor/index.ts

+export * from './tileset-editor.component';

src/app/components/tileset-editor/tileset-editor.component.html

+<button (click)="editTileset()">开始编辑</button>
+<button (click)="saveEdit()">保存</button>
+<button (click)="resetEdit()">重置</button>
+<button (click)="cancelEdit()">取消编辑</button>
\ No newline at end of file

src/app/components/tileset-editor/tileset-editor.component.spec.ts

+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TilesetEditorComponent } from './tileset-editor.component';
+
+describe('TilesetEditorComponent', () => {
+  let component: TilesetEditorComponent;
+  let fixture: ComponentFixture<TilesetEditorComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ TilesetEditorComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TilesetEditorComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/components/tileset-editor/tileset-editor.component.ts

+import { Component, OnInit } from '@angular/core';
+import { ViewerService } from 'src/app/services';
+
+@Component({
+  selector: 'app-tileset-editor',
+  templateUrl: './tileset-editor.component.html',
+  styleUrls: ['./tileset-editor.component.css'],
+})
+export class TilesetEditorComponent implements OnInit {
+
+  private tilesetEdit;
+
+  constructor(
+    private viewerService: ViewerService,
+  ) { }
+
+  ngOnInit() {
+  }
+
+  editTileset() {
+    const currentLayerPrimitive = this.viewerService.getPrimitiveByLayerName(this.viewerService.currentLayerName);
+    if (!(currentLayerPrimitive instanceof Cesium.Cesium3DTileset)) {
+      alert('当前图层不是模型、倾斜或点云，不能编辑。');
+      return;
+    }
+
+    const viewer = this.viewerService.viewer;
+
+    if (undefined !== this.tilesetEdit) {
+      this.tilesetEdit.destroy();
+    }
+    this.tilesetEdit = new smart3d.TilesetEdit({
+      viewer,
+      model: currentLayerPrimitive,
+    });
+    this.tilesetEdit.start();
+    viewer.flyTo(currentLayerPrimitive);
+  }
+
+  saveEdit() {
+    if (undefined !== this.tilesetEdit) {
+      this.tilesetEdit.save();
+
+      // 测试缩放、旋转、平移
+      // this.tilesetEdit.scale(2);
+      // this.tilesetEdit.rotation(smart3d.EditAxisMode.Z, 45);
+      // this.tilesetEdit.translation(smart3d.EditAxisMode.Y, 30);
+
+      // 测试设置 3D tiles 的 modelMatrix
+      // this.tilesetEdit.pasteMatrix(Cesium.Matrix4.fromTranslation(new Cesium.Cartesian3(0, 0, 100)));
+    }
+  }
+
+  resetEdit() {
+    if (undefined !== this.tilesetEdit) {
+      this.tilesetEdit.reset();
+    }
+  }
+
+  cancelEdit() {
+    if (undefined !== this.tilesetEdit) {
+      this.tilesetEdit = this.tilesetEdit.destroy();
+    }
+  }
+
+  isUrl(value: string): boolean {
+    // const reg = /^https?:\/\/(.)*(:)?\/?/;
+    const strRegex = '^((https|http|ftp|rtsp|mms)?://)'
+      + '?(([0-9a-z_!~*\'().&=+$%-]+: )?[0-9a-z_!~*\'().&=+$%-]+@)?' // ftp 的 user@
+      + '(([0-9]{1,3}.){3}[0-9]{1,3}' // IP形式的URL：199.194.52.184
+      + '|' // 允许 IP 和域名
+      + '([0-9a-z_!~*\'()-]+.)*' // 域名的 www.
+      + '([0-9a-z][0-9a-z-]{0,61})?[0-9a-z].' // 二级域名
+      + '[a-z]{2,6})' // com
+      + '(:[0-9]{1,4})?' // 端口
+      + '((/?)|' // 如果没有文件名则不需要反斜杠
+      + '(/[0-9a-z_!~*\'().;?:@&=+$,%#-]+)+/?)$';  // 文件路径
+    const re = new RegExp(strRegex);
+    return re.test(value);
+  }
+
+}

src/app/services/index.ts

 export * from './viewer';
-export * from './layer-manager';

src/app/services/layer-manager/index.ts

-export * from './layer-manager.service';

src/app/services/layer-manager/layer-manager.service.spec.ts

-import { TestBed } from '@angular/core/testing';
-
-import { LayerManagerService } from './layer-manager.service';
-
-describe('LayerManagerService', () => {
-  beforeEach(() => TestBed.configureTestingModule({}));
-
-  it('should be created', () => {
-    const service: LayerManagerService = TestBed.get(LayerManagerService);
-    expect(service).toBeTruthy();
-  });
-});

src/app/services/layer-manager/layer-manager.service.ts

-import { Injectable } from '@angular/core';
-import { ViewerService } from '../viewer';
-
-@Injectable({
-  providedIn: 'root'
-})
-export class LayerManagerService {
-
-  private layerManager;
-
-  constructor(
-    private viewerService: ViewerService
-  ) {
-    console.log(this.viewerService.viewer);
-  }
-}

src/app/services/viewer/viewer.service.ts

-import { Injectable } from '@angular/core';
+import { Injectable, EventEmitter } from '@angular/core';
 
 @Injectable({
   providedIn: 'root'
@@ -8,37 +8,116 @@ export class ViewerService {
   // tslint:disable-next-line: variable-name
   private _viewer;
   private layerManager;
+  private layers = [];
   private measureHandler;
 
+  public currentLayerNameChange: EventEmitter<string> = new EventEmitter();
+  public currentLayerName: string;  // 当前的图层名
+
   constructor() {
     console.log('%c viewer service constructed! ', 'background-color: red; color: white; padding: 5px');
     this.handleMeasure = this.handleMeasure.bind(this);
+    this.currentLayerNameChange.subscribe(name => this.currentLayerName = name);
   }
 
   get viewer() {
     return this._viewer;
   }
 
+  /**
+   * 初始化 Viewer 和图层管理类
+   * @param container HTML 标签或标签 ID
+   * @param options 见 smart3d.Viewer
+   */
   initViewer(container: string | Element, options?: object): object {
     if (!this._viewer) {
       this._viewer = new smart3d.Viewer(container, options || {});
       this.layerManager = new smart3d.LayerManager(this._viewer);
 
-      // tslint:disable-next-line: no-string-literal
-      window['viewer'] = this._viewer;
+      // tslint:disable-next-line
+      window['viewer'] = this._viewer; window['layerManager'] = this.layerManager; window['primitives'] = this.viewer.scene.primitives._primitives; window['layers'] = this.layers;
     }
     return this._viewer;
   }
 
+  /**
+   * 添加图层
+   * @param layer smart3d.Layer
+   */
   addLayer(layer) {
-    this.layerManager.addLayer(layer);
+    if (!(layer instanceof smart3d.Layer)) {
+      layer = new smart3d.Layer(layer);
+    }
+    this.layers.push(layer);
+    this.layerManager.add(layer);
+  }
+
+  removeLayerByName(name: string): void {
+    const layer = this.getLayerByName(name);
+    const layerIndex = this.getLayerIndexByName(name);
+    if (undefined !== layer) {
+      this.layerManager.remove(layer);
+      this.layers.splice(layerIndex, 1);
+    }
+  }
+
+  toggleLayerShow(name: string) {
+    const layer = this.getLayerByName(name);
+    if (undefined !== layer) {
+      layer.show = !layer.show;
+      this.layerManager.setVisible(layer);
+    }
+  }
+
+  /**
+   * 根据图层名获取图层
+   * @param name 图层名
+   * @returns smart3d.Layer | undefined
+   */
+  private getLayerByName(name: string) {
+    return this.layers.find(layer => layer.name === name);
   }
 
-  flyToLayer(layer) {
+  private getLayerIndexByName(name: string): number {
+    return this.layers.findIndex(layer => layer.name === name);
+  }
+
+  /**
+   * 获取图层底下的原始数据
+   * @param name 图层名
+   * @returns Cesium3DTileset | DataSource | ImageryLayer | undefined
+   */
+  getPrimitiveByLayerName(name: string) {
+    const layer = this.getLayerByName(name);
+    return layer ? this.layerManager.getLayer(layer) : undefined;
+  }
+
+  /**
+   * 将相机视角设为该图层
+   * @param layer smart3d.Layer
+   */
+  flyToLayer(layer): void {
     this.layerManager.flyTo(layer);
   }
 
-  handleMeasure(measureMode: number, isGround?: boolean, showLabel?: boolean) {
+  /**
+   * 将相机视角设为图层名对应的图层
+   * @param name 图层名
+   */
+  flyToLayerByName(name: string): void {
+    const currentLayer = this.getLayerByName(name);
+    if (undefined !== currentLayer) {
+      this.flyToLayer(currentLayer);
+    }
+  }
+
+  /**
+   * 开启测量
+   * @param measureMode 测量模型，例如距离测量、面积测量
+   * @param isGround 是否是贴地测量
+   * @param showLabel 是否显示测量结果
+   */
+  handleMeasure(measureMode: number, isGround?: boolean, showLabel?: boolean): void {
     if (
       measureMode !== smart3d.MeasureMode.Distance &&
       measureMode !== smart3d.MeasureMode.Angle &&
@@ -56,4 +135,24 @@ export class ViewerService {
       this.measureHandler.activate();
     }
   }
+
+  /**
+   * 笛卡尔坐标转角度制的经纬度高度
+   * @param cartesian 笛卡尔坐标
+   */
+  cartesianToDegreesCartographic(cartesian: {
+    x: number;
+    y: number;
+    z: number
+  }): { longitude: number, latitude: number; height: number } {
+    const cartographic = Cesium.Cartographic.fromCartesian(cartesian);
+    const longitude = Cesium.Math.toDegrees(cartographic.longitude);
+    const latitude = Cesium.Math.toDegrees(cartographic.latitude);
+    const height = Cesium.Math.toDegrees(cartographic.height);
+    return {
+      longitude,
+      latitude,
+      height
+    };
+  }
 }

src/styles.css

 /* You can add global styles to this file, and also import other style files */
 body {
   margin: 0;
+  padding: 0;
 }
 
 .text-white {