s2-tools/dist/proj4/constants/derives.d.ts

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

/** Describes an ellipsoid's eccentricity */
export interface EccentricityParams {
    a?: number;
    b?: number;
    es?: number;
    e?: number;
    ep2?: number;
    rA?: boolean;
}
/**
 * Derives an ellipsoid's eccentricity for an object
 * @param el - ellipsoid object to modify
 */
export declare function deriveEccentricity(el: EccentricityParams): void;
/** Describes a sphere's eccentricity and if it is a true sphere or not */
export interface SphereParams {
    ellps?: string;
    a?: number;
    b?: number;
    rf?: number;
    sphere?: boolean;
}
/**
 * Builds a sphere with ellipsoid parameters
 * @param obj - an object with/wihtout sphere properties and builds the sphere
 */
export declare function deriveSphere(obj: SphereParams): void;
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