MaysWind
77 lines
3.6 KiB
TypeScript
77 lines
3.6 KiB
TypeScript
import type { TypeAndName } from '@/core/base.ts';
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export interface Coordinate {
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latitude: number;
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longitude: number;
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}
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export enum CoordinateDisplayOrder {
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LatitudeLongitude = 0,
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LongitudeLatitude = 1
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}
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export enum CoordinateDisplayFormat {
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DecimalDegrees = 0,
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DecimalMinutes = 1,
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DegreesMinutesSeconds = 2
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}
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export enum CoordinateDirectionFormat {
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Signed = 0,
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Directional = 1
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}
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export class CoordinateDisplayType implements TypeAndName {
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private static readonly allInstances: CoordinateDisplayType[] = [];
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private static readonly allInstancesByType: Record<number, CoordinateDisplayType> = {};
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public static readonly SystemDefaultType: number = 0;
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public static readonly LatitudeLongitudeDecimalDegrees = new CoordinateDisplayType(1, 'Latitude Longitude D.D°', CoordinateDisplayOrder.LatitudeLongitude, CoordinateDisplayFormat.DecimalDegrees, CoordinateDirectionFormat.Signed);
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public static readonly LongitudeLatitudeDecimalDegrees = new CoordinateDisplayType(2, 'Longitude Latitude D.D°', CoordinateDisplayOrder.LongitudeLatitude, CoordinateDisplayFormat.DecimalDegrees, CoordinateDirectionFormat.Signed);
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public static readonly LatitudeLongitudeDecimalMinutes = new CoordinateDisplayType(3, 'Latitude Longitude D°M.M\'', CoordinateDisplayOrder.LatitudeLongitude, CoordinateDisplayFormat.DecimalMinutes, CoordinateDirectionFormat.Directional);
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public static readonly LongitudeLatitudeDecimalMinutes = new CoordinateDisplayType(4, 'Longitude Latitude D°M.M\'', CoordinateDisplayOrder.LongitudeLatitude, CoordinateDisplayFormat.DecimalMinutes, CoordinateDirectionFormat.Directional);
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public static readonly LatitudeLongitudeDegreesMinutesSeconds = new CoordinateDisplayType(5, 'Latitude Longitude D°M\'S"', CoordinateDisplayOrder.LatitudeLongitude, CoordinateDisplayFormat.DegreesMinutesSeconds, CoordinateDirectionFormat.Directional);
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public static readonly LongitudeLatitudeDegreesMinutesSeconds = new CoordinateDisplayType(6, 'Longitude Latitude D°M\'S"', CoordinateDisplayOrder.LongitudeLatitude, CoordinateDisplayFormat.DegreesMinutesSeconds, CoordinateDirectionFormat.Directional);
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public static readonly Default = CoordinateDisplayType.LatitudeLongitudeDecimalDegrees;
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public readonly type: number;
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public readonly name: string;
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public readonly displayOrder: CoordinateDisplayOrder;
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public readonly displayFormat: CoordinateDisplayFormat;
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public readonly directionFormat: CoordinateDirectionFormat;
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private constructor(type: number, name: string, displayOrder: CoordinateDisplayOrder, displayFormat: CoordinateDisplayFormat, directionFormat: CoordinateDirectionFormat) {
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this.type = type;
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this.name = name;
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this.displayOrder = displayOrder;
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this.displayFormat = displayFormat;
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this.directionFormat = directionFormat;
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CoordinateDisplayType.allInstances.push(this);
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CoordinateDisplayType.allInstancesByType[type] = this;
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}
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public static values(): CoordinateDisplayType[] {
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return CoordinateDisplayType.allInstances;
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}
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public static valueOf(type: number): CoordinateDisplayType | undefined {
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return CoordinateDisplayType.allInstancesByType[type];
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}
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}
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export function getNormalizedCoordinate(value: Coordinate): Coordinate {
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if (!value) {
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return value;
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}
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const normalizedLatitude = Math.max(-90, Math.min(90, value.latitude));
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const normalizedLongitude = ((value.longitude + 180) % 360 + 360) % 360 - 180;
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return {
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latitude: normalizedLatitude,
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longitude: normalizedLongitude
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};
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}
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