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@eliorar/angular-cesium

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Angular library for working with Cesium.

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import { CallbackProperty, Cartesian3, Math as cMath } from 'cesium'; import { AcEntity } from '../../angular-cesium/models/ac-entity'; import { EditPoint } from './edit-point'; import { GeoUtilsService } from '../../angular-cesium/services/geo-utils/geo-utils.service'; import { defaultLabelProps } from './label-props'; export class EditableEllipse extends AcEntity { constructor(id, ellipsesLayer, pointsLayer, coordinateConverter, options) { super(); this.id = id; this.ellipsesLayer = ellipsesLayer; this.pointsLayer = pointsLayer; this.coordinateConverter = coordinateConverter; this.options = options; this._rotation = 0; this.doneCreation = false; this._enableEdit = true; this._minorRadiusPoints = []; this._labels = []; this._ellipseProps = { ...options.ellipseProps }; this._pointProps = { ...options.pointProps }; } get labels() { return this._labels; } set labels(labels) { if (!labels || !this._center) { return; } this._labels = labels.map((label, index) => { if (!label.position) { if (index === 0) { label.position = this._center.getPosition(); } else if (index === 1) { label.position = this._majorRadiusPoint ? Cartesian3.midpoint(this.getCenter(), this._majorRadiusPoint.getPosition(), new Cartesian3()) : new Cartesian3(); } else if (index === 2) { label.position = this._minorRadiusPoints.length > 0 && this._minorRadius ? Cartesian3.midpoint(this.getCenter(), this.getMinorRadiusPointPosition(), new Cartesian3()) : new Cartesian3(); } } return Object.assign({}, defaultLabelProps, label); }); } get polylineProps() { return this._polylineProps; } set polylineProps(value) { this._polylineProps = value; } get pointProps() { return this._pointProps; } set pointProps(value) { this._pointProps = value; } get ellipseProps() { return this._ellipseProps; } set ellipseProps(value) { this._ellipseProps = value; } get center() { return this._center; } get majorRadiusPoint() { return this._majorRadiusPoint; } getMajorRadiusPointPosition() { if (!this._majorRadiusPoint) { return undefined; } return this._majorRadiusPoint.getPosition(); } getMinorRadiusPointPosition() { if (this._minorRadiusPoints.length < 1) { return undefined; } return this._minorRadiusPoints[0].getPosition(); } get enableEdit() { return this._enableEdit; } set enableEdit(value) { this._enableEdit = value; this._center.show = value; this._majorRadiusPoint.show = value; this.updatePointsLayer(); } setManually(center, majorRadius, rotation = Math.PI / 2, minorRadius, centerPointProp = this.pointProps, radiusPointProp = this.pointProps, ellipseProp = this.ellipseProps) { if (majorRadius < minorRadius) { throw new Error('Major radius muse be equal or greater than minor radius'); } this._rotation = rotation; this._majorRadius = majorRadius; if (!this._center) { this._center = new EditPoint(this.id, center, centerPointProp); } else { this._center.setPosition(center); } const majorRadiusPosition = GeoUtilsService.pointByLocationDistanceAndAzimuth(this.center.getPosition(), majorRadius, rotation); if (!this._majorRadiusPoint) { this._majorRadiusPoint = new EditPoint(this.id, majorRadiusPosition, radiusPointProp); } else { this._majorRadiusPoint.setPosition(majorRadiusPosition); } if (minorRadius) { this._minorRadius = minorRadius; } this.ellipseProps = ellipseProp; this.doneCreation = true; this.updateMinorRadiusEditPoints(); this.updatePointsLayer(); this.updateEllipsesLayer(); } addPoint(position) { if (this.doneCreation) { return; } if (!this._center) { this._center = new EditPoint(this.id, position, this.pointProps); this._majorRadiusPoint = new EditPoint(this.id, position.clone(), this.pointProps); this._majorRadius = 0; } this.updateRotation(); this.updateMinorRadiusEditPoints(); this.updatePointsLayer(); this.updateEllipsesLayer(); } transformToEllipse() { if (this._minorRadius) { return; } this._minorRadius = this.getMajorRadius(); this.updateMinorRadiusEditPoints(); this.updatePointsLayer(); this.updateEllipsesLayer(); } addLastPoint(position) { if (this.doneCreation || !this._center || !this._majorRadiusPoint) { return; } const newRadius = GeoUtilsService.distance(this._center.getPosition(), position); this._majorRadiusPoint.setPosition(position); this._majorRadius = newRadius; this.doneCreation = true; if (!this.options.circleToEllipseTransformation) { this._minorRadius = this._majorRadius; } this.updateRotation(); this.updateMinorRadiusEditPoints(); this.updatePointsLayer(); this.updateEllipsesLayer(); } movePoint(toPosition, editPoint) { if (!this._center || !this._majorRadiusPoint) { return; } const newRadius = GeoUtilsService.distance(this._center.getPosition(), toPosition); if (this.majorRadiusPoint === editPoint) { if (newRadius < this._minorRadius) { this._majorRadius = this._minorRadius; this._majorRadiusPoint.setPosition(GeoUtilsService.pointByLocationDistanceAndAzimuth(this.getCenter(), this._minorRadius, this._rotation)); } else { this.majorRadiusPoint.setPosition(toPosition); this._majorRadius = newRadius; } } else { if (newRadius > this._majorRadius) { this._minorRadius = this._majorRadius; } else { this._minorRadius = newRadius; } } this.updateRotation(); this.updateMinorRadiusEditPoints(); this.updatePointsLayer(); this.updateEllipsesLayer(); } moveEllipse(dragStartPosition, dragEndPosition) { if (!this.doneCreation) { return; } if (!this.lastDraggedToPosition) { this.lastDraggedToPosition = dragStartPosition; } const majorRadius = this.getMajorRadius(); const rotation = this.getRotation(); const delta = GeoUtilsService.getPositionsDelta(this.lastDraggedToPosition, dragEndPosition); const newCenterPosition = GeoUtilsService.addDeltaToPosition(this.getCenter(), delta, true); this._center.setPosition(newCenterPosition); this.majorRadiusPoint.setPosition(GeoUtilsService.pointByLocationDistanceAndAzimuth(this.getCenter(), majorRadius, rotation)); this.updatePointsLayer(); this.updateMinorRadiusEditPoints(); this.updateEllipsesLayer(); this.lastDraggedToPosition = dragEndPosition; } endMoveEllipse() { this.lastDraggedToPosition = undefined; } updateMinorRadiusEditPoints() { if (this._minorRadius === undefined) { return; } if (this._minorRadiusPoints.length === 0) { this._minorRadiusPoints.push(new EditPoint(this.id, new Cartesian3(), this.pointProps, true)); this._minorRadiusPoints.push(new EditPoint(this.id, new Cartesian3(), this.pointProps, true)); } this._minorRadiusPoints[0].setPosition(GeoUtilsService.pointByLocationDistanceAndAzimuth(this._center.getPosition(), this._minorRadius, this.getRotation() - Math.PI / 2)); this._minorRadiusPoints[1].setPosition(GeoUtilsService.pointByLocationDistanceAndAzimuth(this._center.getPosition(), this._minorRadius, this.getRotation() + Math.PI / 2)); } getMajorRadius() { return this._majorRadius || 0; } getMinorRadius() { if (this._minorRadius === undefined) { return this.getMajorRadius(); } else { return this._minorRadius; } } getRotation() { return this._rotation || 0; } updateRotation() { if (!this._majorRadiusPoint) { return 0; } const azimuthInDegrees = this.coordinateConverter.bearingToCartesian(this.getCenter(), this._majorRadiusPoint.getPosition()); this._rotation = cMath.toRadians(azimuthInDegrees); return this._rotation; } getRotationCallbackProperty() { return new CallbackProperty(() => Math.PI / 2 - this.getRotation(), false); } getMinorRadiusCallbackProperty() { return new CallbackProperty(() => this.getMinorRadius(), false); } getMajorRadiusCallbackProperty() { return new CallbackProperty(() => this.getMajorRadius(), false); } getCenter() { return this._center ? this._center.getPosition() : undefined; } getCenterCallbackProperty() { return new CallbackProperty(() => this.getCenter(), false); } dispose() { if (this._center) { this.pointsLayer.remove(this._center.getId()); } if (this._majorRadiusPoint) { this.pointsLayer.remove(this._majorRadiusPoint.getId()); } if (this._minorRadiusPoints) { this._minorRadiusPoints.forEach(point => this.pointsLayer.remove(point.getId())); } this.ellipsesLayer.remove(this.id); } getId() { return this.id; } updateEllipsesLayer() { this.ellipsesLayer.update(this, this.id); } updatePointsLayer() { if (this._center) { this.pointsLayer.update(this._center, this._center.getId()); } if (this._majorRadiusPoint) { this.pointsLayer.update(this._majorRadiusPoint, this._majorRadiusPoint.getId()); } if (this._minorRadiusPoints.length > 0) { this.pointsLayer.update(this._minorRadiusPoints[0], this._minorRadiusPoints[0].getId()); this.pointsLayer.update(this._minorRadiusPoints[1], this._minorRadiusPoints[1].getId()); } } } //# 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{CallbackProperty, Cartesian3, Math as cMath} from 'cesium';\nimport {AcEntity} from '../../angular-cesium/models/ac-entity';\nimport {EditPoint} from './edit-point';\nimport {AcLayerComponent} from '../../angular-cesium/components/ac-layer/ac-layer.component';\nimport {GeoUtilsService} from '../../angular-cesium/services/geo-utils/geo-utils.service';\nimport {EllipseEditOptions, EllipseProps} from './ellipse-edit-options';\nimport {PointProps} from './point-edit-options';\nimport {PolylineProps} from './polyline-edit-options';\nimport {defaultLabelProps, LabelProps} from './label-props';\nimport {CoordinateConverter} from '../../angular-cesium/services/coordinate-converter/coordinate-converter.service';\n\nexport class EditableEllipse extends AcEntity {\n  private _center: EditPoint;\n  private _majorRadiusPoint: EditPoint;\n  private _majorRadius: number;\n  private _minorRadius: number;\n  private _rotation = 0;\n  private doneCreation = false;\n  private _enableEdit = true;\n  private _minorRadiusPoints: EditPoint[] = [];\n  private lastDraggedToPosition: any;\n  private _ellipseProps: EllipseProps;\n  private _pointProps: PointProps;\n  private _polylineProps: PolylineProps;\n  private _labels: LabelProps[] = [];\n\n  constructor(\n    private id: string,\n    private ellipsesLayer: AcLayerComponent,\n    private pointsLayer: AcLayerComponent,\n    private coordinateConverter: CoordinateConverter,\n    private options: EllipseEditOptions,\n  ) {\n    super();\n    this._ellipseProps = {...options.ellipseProps};\n    this._pointProps = {...options.pointProps};\n  }\n\n  get labels(): LabelProps[] {\n    return this._labels;\n  }\n\n  set labels(labels: LabelProps[]) {\n    if (!labels || !this._center) {\n      return;\n    }\n    this._labels = labels.map((label, index) => {\n      if (!label.position) {\n        if (index === 0) {\n          label.position = this._center.getPosition();\n        } else if (index === 1) {\n          label.position = this._majorRadiusPoint\n            ? Cartesian3.midpoint(this.getCenter(), this._majorRadiusPoint.getPosition(), new Cartesian3())\n            : new Cartesian3();\n        } else if (index === 2) {\n          label.position =\n            this._minorRadiusPoints.length > 0 && this._minorRadius\n              ? Cartesian3.midpoint(this.getCenter(), this.getMinorRadiusPointPosition(), new Cartesian3())\n              : new Cartesian3();\n        }\n      }\n\n      return Object.assign({}, defaultLabelProps, label);\n    });\n  }\n\n  get polylineProps(): PolylineProps {\n    return this._polylineProps;\n  }\n\n  set polylineProps(value: PolylineProps) {\n    this._polylineProps = value;\n  }\n\n  get pointProps(): PointProps {\n    return this._pointProps;\n  }\n\n  set pointProps(value: PointProps) {\n    this._pointProps = value;\n  }\n\n  get ellipseProps(): EllipseProps {\n    return this._ellipseProps;\n  }\n\n  set ellipseProps(value: EllipseProps) {\n    this._ellipseProps = value;\n  }\n\n  get center(): EditPoint {\n    return this._center;\n  }\n\n  get majorRadiusPoint(): EditPoint {\n    return this._majorRadiusPoint;\n  }\n\n  getMajorRadiusPointPosition() {\n    if (!this._majorRadiusPoint) {\n      return undefined;\n    }\n\n    return this._majorRadiusPoint.getPosition();\n  }\n\n  getMinorRadiusPointPosition(): Cartesian3 {\n    if (this._minorRadiusPoints.length < 1) {\n      return undefined;\n    }\n\n    return this._minorRadiusPoints[0].getPosition();\n  }\n\n  get enableEdit() {\n    return this._enableEdit;\n  }\n\n  set enableEdit(value: boolean) {\n    this._enableEdit = value;\n    this._center.show = value;\n    this._majorRadiusPoint.show = value;\n    this.updatePointsLayer();\n  }\n\n  setManually(\n    center: Cartesian3,\n    majorRadius: number,\n    rotation = Math.PI / 2,\n    minorRadius?: number,\n    centerPointProp = this.pointProps,\n    radiusPointProp = this.pointProps,\n    ellipseProp = this.ellipseProps,\n  ) {\n    if (majorRadius < minorRadius) {\n      throw new Error('Major radius muse be equal or greater than minor radius');\n    }\n    this._rotation = rotation;\n    this._majorRadius = majorRadius;\n    if (!this._center) {\n      this._center = new EditPoint(this.id, center, centerPointProp);\n    } else {\n      this._center.setPosition(center);\n    }\n\n    const majorRadiusPosition = GeoUtilsService.pointByLocationDistanceAndAzimuth(this.center.getPosition(), majorRadius, rotation);\n\n    if (!this._majorRadiusPoint) {\n      this._majorRadiusPoint = new EditPoint(this.id, majorRadiusPosition, radiusPointProp);\n    } else {\n      this._majorRadiusPoint.setPosition(majorRadiusPosition);\n    }\n\n    if (minorRadius) {\n      this._minorRadius = minorRadius;\n    }\n\n    this.ellipseProps = ellipseProp;\n    this.doneCreation = true;\n    this.updateMinorRadiusEditPoints();\n    this.updatePointsLayer();\n    this.updateEllipsesLayer();\n  }\n\n  addPoint(position: Cartesian3) {\n    if (this.doneCreation) {\n      return;\n    }\n\n    if (!this._center) {\n      this._center = new EditPoint(this.id, position, this.pointProps);\n      this._majorRadiusPoint = new EditPoint(this.id, position.clone(), this.pointProps);\n      this._majorRadius = 0;\n    }\n\n    this.updateRotation();\n    this.updateMinorRadiusEditPoints();\n    this.updatePointsLayer();\n    this.updateEllipsesLayer();\n  }\n\n  transformToEllipse() {\n    if (this._minorRadius) {\n      return;\n    }\n\n    this._minorRadius = this.getMajorRadius();\n    this.updateMinorRadiusEditPoints();\n    this.updatePointsLayer();\n    this.updateEllipsesLayer();\n  }\n\n  addLastPoint(position: Cartesian3) {\n    if (this.doneCreation || !this._center || !this._majorRadiusPoint) {\n      return;\n    }\n\n    const newRadius = GeoUtilsService.distance(this._center.getPosition(), position);\n    this._majorRadiusPoint.setPosition(position);\n    this._majorRadius = newRadius;\n    this.doneCreation = true;\n\n    if (!this.options.circleToEllipseTransformation) {\n      this._minorRadius = this._majorRadius;\n    }\n\n    this.updateRotation();\n    this.updateMinorRadiusEditPoints();\n    this.updatePointsLayer();\n    this.updateEllipsesLayer();\n  }\n\n  movePoint(toPosition: Cartesian3, editPoint: EditPoint) {\n    if (!this._center || !this._majorRadiusPoint) {\n      return;\n    }\n\n    const newRadius = GeoUtilsService.distance(this._center.getPosition(), toPosition);\n    if (this.majorRadiusPoint === editPoint) {\n      if (newRadius < this._minorRadius) {\n        this._majorRadius = this._minorRadius;\n        this._majorRadiusPoint.setPosition(\n          GeoUtilsService.pointByLocationDistanceAndAzimuth(this.getCenter(), this._minorRadius, this._rotation),\n        );\n      } else {\n        this.majorRadiusPoint.setPosition(toPosition);\n        this._majorRadius = newRadius;\n      }\n    } else {\n      if (newRadius > this._majorRadius) {\n        this._minorRadius = this._majorRadius;\n      } else {\n        this._minorRadius = newRadius;\n      }\n    }\n\n    this.updateRotation();\n    this.updateMinorRadiusEditPoints();\n    this.updatePointsLayer();\n    this.updateEllipsesLayer();\n  }\n\n  moveEllipse(dragStartPosition: Cartesian3, dragEndPosition: Cartesian3) {\n    if (!this.doneCreation) {\n      return;\n    }\n    if (!this.lastDraggedToPosition) {\n      this.lastDraggedToPosition = dragStartPosition;\n    }\n\n    const majorRadius = this.getMajorRadius();\n    const rotation = this.getRotation();\n    const delta = GeoUtilsService.getPositionsDelta(this.lastDraggedToPosition, dragEndPosition);\n    const newCenterPosition = GeoUtilsService.addDeltaToPosition(this.getCenter(), delta, true);\n    this._center.setPosition(newCenterPosition);\n    this.majorRadiusPoint.setPosition(GeoUtilsService.pointByLocationDistanceAndAzimuth(this.getCenter(), majorRadius, rotation));\n    this.updatePointsLayer();\n    this.updateMinorRadiusEditPoints();\n    this.updateEllipsesLayer();\n    this.lastDraggedToPosition = dragEndPosition;\n  }\n\n  endMoveEllipse() {\n    this.lastDraggedToPosition = undefined;\n  }\n\n  private updateMinorRadiusEditPoints() {\n    if (this._minorRadius === undefined) {\n      return;\n    }\n    if (this._minorRadiusPoints.length === 0) {\n      this._minorRadiusPoints.push(new EditPoint(this.id, new Cartesian3(), this.pointProps, true));\n      this._minorRadiusPoints.push(new EditPoint(this.id, new Cartesian3(), this.pointProps, true));\n    }\n\n    this._minorRadiusPoints[0].setPosition(\n      GeoUtilsService.pointByLocationDistanceAndAzimuth(this._center.getPosition(), this._minorRadius, this.getRotation() - Math.PI / 2),\n    );\n\n    this._minorRadiusPoints[1].setPosition(\n      GeoUtilsService.pointByLocationDistanceAndAzimuth(this._center.getPosition(), this._minorRadius, this.getRotation() + Math.PI / 2),\n    );\n  }\n\n  getMajorRadius(): number {\n    return this._majorRadius || 0;\n  }\n\n  getMinorRadius() {\n    if (this._minorRadius === undefined) {\n      return this.getMajorRadius();\n    } else {\n      return this._minorRadius;\n    }\n  }\n\n  getRotation(): number {\n    return this._rotation || 0;\n  }\n\n  updateRotation(): number {\n    if (!this._majorRadiusPoint) {\n      return 0;\n    }\n\n    const azimuthInDegrees = this.coordinateConverter.bearingToCartesian(this.getCenter(), this._majorRadiusPoint.getPosition());\n    this._rotation = cMath.toRadians(azimuthInDegrees);\n    return this._rotation;\n  }\n\n  getRotationCallbackProperty(): CallbackProperty {\n    return new CallbackProperty(() => Math.PI / 2 - this.getRotation(), false);\n  }\n\n  getMinorRadiusCallbackProperty(): CallbackProperty {\n    return new CallbackProperty(() => this.getMinorRadius(), false);\n  }\n\n  getMajorRadiusCallbackProperty(): CallbackProperty {\n    return new CallbackProperty(() => this.getMajorRadius(), false);\n  }\n\n  getCenter(): Cartesian3 {\n    return this._center ? this._center.getPosition() : undefined;\n  }\n\n  getCenterCallbackProperty(): CallbackProperty {\n    return new CallbackProperty(() => this.getCenter(), false);\n  }\n\n  dispose() {\n    if (this._center) {\n      this.pointsLayer.remove(this._center.getId());\n    }\n\n    if (this._majorRadiusPoint) {\n      this.pointsLayer.remove(this._majorRadiusPoint.getId());\n    }\n\n    if (this._minorRadiusPoints) {\n      this._minorRadiusPoints.forEach(point => this.pointsLayer.remove(point.getId()));\n    }\n\n    this.ellipsesLayer.remove(this.id);\n  }\n\n  getId() {\n    return this.id;\n  }\n\n  private updateEllipsesLayer() {\n    this.ellipsesLayer.update(this, this.id);\n  }\n\n  private updatePointsLayer() {\n    if (this._center) {\n      this.pointsLayer.update(this._center, this._center.getId());\n    }\n    if (this._majorRadiusPoint) {\n      this.pointsLayer.update(this._majorRadiusPoint, this._majorRadiusPoint.getId());\n    }\n    if (this._minorRadiusPoints.length > 0) {\n      this.pointsLayer.update(this._minorRadiusPoints[0], this._minorRadiusPoints[0].getId());\n      this.pointsLayer.update(this._minorRadiusPoints[1], this._minorRadiusPoints[1].getId());\n    }\n  }\n}\n"]}