/** @packageDocumentation
 * @module OrbitGT
 */
declare type int32 = number;
import { Coordinate } from "../../geom/Coordinate";
import { CRS } from "../CRS";
import { Operation } from "../Operation";
import { OperationMethod } from "../OperationMethod";
import { ParameterValueList } from "../ParameterValueList";
/**
 * Class ObliqueMercator defines an Oblique Mercator projection (Hotine Variant B).
 *
 * The 'source' CRS is the geographic CRS.
 * The 'target' CRS is the projected CRS.
 *
 * Based on the following document:
 *
 * Coordinate Conversions and Transformations including Formulas
 * Guidance Note Number 7, part 2
 * Revised August 2006
 * Available at: http://www.epsg.org/
 *
 * Formulas: see 1.4.6 (spec v6.13): Oblique Mercator and Hotine Oblique Mercator
 *
 * @version 1.0 May 2008
 */
/** @internal */
export declare class ObliqueMercator extends OperationMethod {
    /** The code of this method */
    static readonly METHOD_CODE: int32;
    /** The value of PI */
    private static readonly PI;
    /** Latitude of the projection center */
    private _latC;
    /** Longitude of the projection center */
    private _lonC;
    /** Azimuth of the initial line passing through the projection center */
    private _aziC;
    /** Angle from the recified grid to the skew (oblique) grid */
    private _gamC;
    /** Scale factor on the initial line of projection */
    private _kC;
    /** False easting at the center of projection */
    private _eC;
    /** False northing at the center of projection */
    private _nC;
    /** Forward calculation parameters */
    private _a;
    private _e;
    private _e2;
    private _B;
    private _A;
    private _tO;
    private _D;
    private _F;
    private _H;
    private _G;
    private _gamO;
    private _lonO;
    private _vC;
    private _uC;
    /** Reverse calculation parameters */
    private _rev1;
    private _rev2;
    private _rev3;
    private _rev4;
    /**
       * Create a new projection.
       * @param parameters the values of the parameters.
       */
    constructor(parameters: ParameterValueList);
    /**
       * Get the sign of a number.
       */
    private static sign;
    /**
       * Get the power of a number (must be able to handle negative 'n' values).
       */
    private static pow;
    /**
       * OperationMethod method.
       * @see OperationMethod#initialize
       */
    initialize(operation: Operation): void;
    /**
       * OperationMethod interface method.
       * @see OperationMethod#forward
       */
    forward(sourceCRS: CRS, source: Coordinate, targetCRS: CRS, target: Coordinate): void;
    /**
       * OperationMethod interface method.
       * @see OperationMethod#reverse
       */
    reverse(sourceCRS: CRS, source: Coordinate, targetCRS: CRS, target: Coordinate): void;
}
export {};
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