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ootk-core

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Orbital Object Toolkit. A modern typed replacement for satellite.js including SGP4 propagation, TLE parsing, Sun and Moon calculations, and more.

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/** * @author Theodore Kruczek. * @license MIT * @copyright (c) 2022-2025 Theodore Kruczek Permission is * hereby granted, free of charge, to any person obtaining a copy of this * software and associated documentation files (the "Software"), to deal in the * Software without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do * so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import { AngularDistanceMethod, Degrees, GroundObject, Kilometers, Radians } from '../main.js'; import { EpochUTC } from '../time/EpochUTC.js'; import { ITRF } from './ITRF.js'; /** * This Geodetic class represents a geodetic coordinate in three-dimensional * space, consisting of latitude, longitude, and altitude. It provides various * methods to perform calculations and operations related to geodetic * coordinates. * * This is a class for geodetic coordinates. This is related to the GroundObject * class, which is used to represent an object on the surface of the Earth. */ export declare class Geodetic { lat: Radians; lon: Radians; alt: Kilometers; constructor(latitude: Radians, longitude: Radians, altitude: Kilometers); /** * Creates a Geodetic object from latitude, longitude, and altitude values in * degrees. * @param latitude The latitude value in degrees. * @param longitude The longitude value in degrees. * @param altitude The altitude value in kilometers. * @returns A Geodetic object representing the specified latitude, longitude, * and altitude. */ static fromDegrees(latitude: Degrees, longitude: Degrees, altitude: Kilometers): Geodetic; /** * Returns a string representation of the Geodetic object. * @returns A string containing the latitude, longitude, and altitude of the Geodetic object. */ toString(): string; /** * Gets the latitude in degrees. * @returns The latitude in degrees. */ get latDeg(): number; /** * Gets the longitude in degrees. * @returns The longitude in degrees. */ get lonDeg(): number; /** * Converts the geodetic coordinates to a ground position. * @returns The ground position object. */ toGroundObject(): GroundObject; /** * Converts the geodetic coordinates to the International Terrestrial * Reference Frame (ITRF) coordinates. * @param epoch The epoch in UTC. * @returns The ITRF coordinates. */ toITRF(epoch: EpochUTC): ITRF; /** * Calculates the angle between two geodetic coordinates. * @param g The geodetic coordinate to calculate the angle to. * @param method The method to use for calculating the angular distance (optional, default is Haversine). * @returns The angle between the two geodetic coordinates in radians. */ angle(g: Geodetic, method?: AngularDistanceMethod): Radians; /** * Calculates the angle in degrees between two Geodetic coordinates. * @param g The Geodetic coordinate to calculate the angle with. * @param method The method to use for calculating the angular distance (optional, default is Haversine). * @returns The angle in degrees. */ angleDeg(g: Geodetic, method?: AngularDistanceMethod): Degrees; /** * Calculates the distance between two geodetic coordinates. * @param g The geodetic coordinates to calculate the distance to. * @param method The method to use for calculating the angular distance. Default is Haversine. * @returns The distance between the two geodetic coordinates in kilometers. */ distance(g: Geodetic, method?: AngularDistanceMethod): Kilometers; /** * Calculates the field of view based on the altitude of the Geodetic object. * @returns The field of view in radians. */ fieldOfView(): Radians; /** * Determines if the current geodetic coordinate can see another geodetic coordinate. * @param g The geodetic coordinate to check for visibility. * @param method The method to use for calculating the angular distance (optional, default is Haversine). * @returns A boolean indicating if the current coordinate can see the other coordinate. */ isInView(g: Geodetic, method?: AngularDistanceMethod): boolean; }