s2-tools/dist/proj4/projections/somerc.d.ts

A collection of geospatial tools primarily designed for WGS84, Web Mercator, and S2.

import { ProjectionBase } from '.';
import type { VectorPoint } from '../../geometry';
import type { ProjectionParams, ProjectionTransform } from '.';
/**
 * # Swiss Oblique Mercator
 *
 * **Classification**: Oblique Mercator
 *
 * **Available forms**: Forward and inverse, ellipsoidal only
 *
 * **Defined area**: Global
 *
 * **Alias**: somerc
 *
 * **Domain**: 2D
 *
 * **Input type**: Geodetic coordinates
 *
 * **Output type**: Projected coordinates
 *
 * ## Projection String
 * ```
 * +proj=somerc
 * ```
 *
 * ## Required Parameters
 * - None
 *
 * ## Optional Parameters
 * - `+lon_0=<value>`: Central meridian.
 * - `+ellps=<value>`: Ellipsoid used.
 * - `+R=<value>`: Radius of the projection sphere.
 * - `+k_0=<value>`: Scale factor.
 * - `+x_0=<value>`: False easting.
 * - `+y_0=<value>`: False northing.
 *
 * ## References:
 * Formules et constantes pour le Calcul pour la
 * projection cylindrique conforme à axe oblique et pour la transformation entre
 * des systèmes de référence.
 * http://www.swisstopo.admin.ch/internet/swisstopo/fr/home/topics/survey/sys/refsys/switzerland.parsysrelated1.31216.downloadList.77004.DownloadFile.tmp/swissprojectionfr.pdf
 *
 * ![Swiss Oblique Mercator](https://github.com/Open-S2/s2-tools/blob/master/assets/proj4/projections/images/somerc.png?raw=true)
 */
export declare class SwissObliqueMercator extends ProjectionBase implements ProjectionTransform {
    name: string;
    static names: string[];
    lambda0: number;
    alpha: number;
    b0: number;
    K: number;
    R: number;
    /**
     * Preps an SwissObliqueMercator projection
     * @param params - projection specific parameters
     */
    constructor(params?: ProjectionParams);
    /**
     * SwissObliqueMercator forward equations--mapping lon-lat to x-y
     * @param p - lon-lat WGS84 point
     */
    forward(p: VectorPoint): void;
    /**
     * SwissObliqueMercator inverse equations--mapping x-y to lon-lat
     * @param p - SwissObliqueMercator point
     */
    inverse(p: VectorPoint): void;
}
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