angular-cesium
Version:
Angular library for working with Cesium.
99 lines • 13.5 kB
JavaScript
import { Injectable } from '@angular/core';
/**
* The service manages `ac-map` instances. `ac-map` register itself to this service.
* This allows retrieval of maps provided services outside of `ac-map` scope.
*/
export class MapsManagerService {
constructor() {
this.defaultIdCounter = 0;
this._Maps = new Map();
this.eventRemoveCallbacks = [];
}
getMap(id) {
if (!id) {
return this.firstMap;
}
return this._Maps.get(id);
}
_registerMap(id, acMap) {
if (!this.firstMap) {
this.firstMap = acMap;
}
const mapId = id ? id : this.generateDefaultId();
if (this._Maps.has(mapId)) {
throw new Error(`Map with id: ${mapId} already exist`);
}
this._Maps.set(mapId, acMap);
return mapId;
}
_removeMapById(id) {
return this._Maps.delete(id);
}
generateDefaultId() {
this.defaultIdCounter++;
return 'default-map-id-' + this.defaultIdCounter;
}
/**
* Binds multiple 2D map's cameras together.
* @param mapsConfiguration - binding options.
* mapId - the id of the maps to bind.
* sensitivity - the amount the camera position should change in order to sync other maps.
* bindZoom - should bind zoom level
*/
sync2DMapsCameras(mapsConfiguration) {
const DEFAULT_SENSITIVITY = 0.01;
this.unsyncMapsCameras();
const maps = mapsConfiguration.map(config => {
const map = this.getMap(config.id);
if (!map) {
throw new Error(`Couldn't find map with id: ${config.id}`);
}
return { map, options: { sensitivity: config.sensitivity, bindZoom: config.bindZoom } };
});
maps.forEach(masterMapConfig => {
const masterMap = masterMapConfig.map;
const options = masterMapConfig.options;
const masterCamera = masterMap.getCameraService().getCamera();
const masterCameraCartographic = masterCamera.positionCartographic;
masterCamera.percentageChanged = options.sensitivity || DEFAULT_SENSITIVITY;
const removeCallback = masterCamera.changed.addEventListener(() => {
maps.forEach(slaveMapConfig => {
const slaveMap = slaveMapConfig.map;
const slaveMapOptions = slaveMapConfig.options;
if (slaveMap === masterMap) {
return;
}
const slaveCamera = slaveMap.getCameraService().getCamera();
const slaveCameraCartographic = slaveCamera.positionCartographic;
const position = Cesium.Ellipsoid.WGS84.cartographicToCartesian({
longitude: masterCameraCartographic.longitude,
latitude: masterCameraCartographic.latitude,
height: slaveMapOptions.bindZoom ? masterCameraCartographic.height : slaveCameraCartographic.height,
});
if (slaveMap.getCesiumViewer().scene.mode !== Cesium.SceneMode.MORPHING) {
slaveCamera.setView({
destination: position,
orientation: {
heading: slaveCamera.heading,
pitch: slaveCamera.pitch,
},
});
}
});
});
this.eventRemoveCallbacks.push(removeCallback);
});
}
/**
* Unsyncs maps cameras
*/
unsyncMapsCameras() {
this.eventRemoveCallbacks.forEach(removeCallback => removeCallback());
this.eventRemoveCallbacks = [];
}
}
MapsManagerService.decorators = [
{ type: Injectable }
];
MapsManagerService.ctorParameters = () => [];
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id : this.generateDefaultId();\r\n    if (this._Maps.has(mapId)) {\r\n      throw new Error(`Map with id: ${mapId} already exist`);\r\n    }\r\n    this._Maps.set(mapId, acMap);\r\n    return mapId;\r\n  }\r\n\r\n  _removeMapById(id: string) {\r\n    return this._Maps.delete(id);\r\n  }\r\n\r\n  private generateDefaultId(): string {\r\n    this.defaultIdCounter++;\r\n    return 'default-map-id-' + this.defaultIdCounter;\r\n  }\r\n\r\n  /**\r\n   * Binds multiple 2D map's cameras together.\r\n   * @param mapsConfiguration - binding options.\r\n   * mapId - the id of the maps to bind.\r\n   * sensitivity - the amount the camera position should change in order to sync other maps.\r\n   * bindZoom - should bind zoom level\r\n   */\r\n  sync2DMapsCameras(mapsConfiguration: { id: string; sensitivity?: number; bindZoom?: boolean }[]) {\r\n    const DEFAULT_SENSITIVITY = 0.01;\r\n    this.unsyncMapsCameras();\r\n    const maps: { map: AcMapComponent; options?: { sensitivity?: number; bindZoom?: boolean } }[] = mapsConfiguration.map(config => {\r\n      const map = this.getMap(config.id);\r\n      if (!map) {\r\n        throw new Error(`Couldn't find map with id: ${config.id}`);\r\n      }\r\n\r\n      return {map, options: {sensitivity: config.sensitivity, bindZoom: config.bindZoom}};\r\n    });\r\n\r\n    maps.forEach(masterMapConfig => {\r\n      const masterMap = masterMapConfig.map;\r\n      const options = masterMapConfig.options;\r\n      const masterCamera = masterMap.getCameraService().getCamera();\r\n      const masterCameraCartographic = masterCamera.positionCartographic;\r\n      masterCamera.percentageChanged = options.sensitivity || DEFAULT_SENSITIVITY;\r\n      const removeCallback = masterCamera.changed.addEventListener(() => {\r\n        maps.forEach(slaveMapConfig => {\r\n          const slaveMap = slaveMapConfig.map;\r\n          const slaveMapOptions = slaveMapConfig.options;\r\n          if (slaveMap === masterMap) {\r\n            return;\r\n          }\r\n\r\n          const slaveCamera = slaveMap.getCameraService().getCamera();\r\n          const slaveCameraCartographic = slaveCamera.positionCartographic;\r\n          const position = Cesium.Ellipsoid.WGS84.cartographicToCartesian({\r\n            longitude: masterCameraCartographic.longitude,\r\n            latitude: masterCameraCartographic.latitude,\r\n            height: slaveMapOptions.bindZoom ? masterCameraCartographic.height : slaveCameraCartographic.height,\r\n          });\r\n\r\n          if (slaveMap.getCesiumViewer().scene.mode !== Cesium.SceneMode.MORPHING) {\r\n            slaveCamera.setView({\r\n              destination: position,\r\n              orientation: {\r\n                heading: slaveCamera.heading,\r\n                pitch: slaveCamera.pitch,\r\n              },\r\n            });\r\n          }\r\n        });\r\n      });\r\n      this.eventRemoveCallbacks.push(removeCallback);\r\n    });\r\n  }\r\n\r\n  /**\r\n   * Unsyncs maps cameras\r\n   */\r\n  unsyncMapsCameras() {\r\n    this.eventRemoveCallbacks.forEach(removeCallback => removeCallback());\r\n    this.eventRemoveCallbacks = [];\r\n  }\r\n}\r\n"]}