package.reproj.Triangulation.d.ts Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of ol Show documentation
OpenLayers mapping library
The newest version!
export default Triangulation;
/**
 * Single triangle; consists of 3 source points and 3 target points.
 */
export type Triangle = {
    /**
     * Source.
     */
    source: Array;
    /**
     * Target.
     */
    target: Array;
};
/**
 * @classdesc
 * Class containing triangulation of the given target extent.
 * Used for determining source data and the reprojection itself.
 */
declare class Triangulation {
    /**
     * @param {import("../proj/Projection.js").default} sourceProj Source projection.
     * @param {import("../proj/Projection.js").default} targetProj Target projection.
     * @param {import("../extent.js").Extent} targetExtent Target extent to triangulate.
     * @param {import("../extent.js").Extent} maxSourceExtent Maximal source extent that can be used.
     * @param {number} errorThreshold Acceptable error (in source units).
     * @param {?number} destinationResolution The (optional) resolution of the destination.
     */
    constructor(sourceProj: import("../proj/Projection.js").default, targetProj: import("../proj/Projection.js").default, targetExtent: import("../extent.js").Extent, maxSourceExtent: import("../extent.js").Extent, errorThreshold: number, destinationResolution: number | null);
    /**
     * @type {import("../proj/Projection.js").default}
     * @private
     */
    private sourceProj_;
    /**
     * @type {import("../proj/Projection.js").default}
     * @private
     */
    private targetProj_;
    /**
     * @param {import("../coordinate.js").Coordinate} c A coordinate.
     * @return {import("../coordinate.js").Coordinate} Transformed coordinate.
     * @private
     */
    private transformInv_;
    /**
     * @type {import("../extent.js").Extent}
     * @private
     */
    private maxSourceExtent_;
    /**
     * @type {number}
     * @private
     */
    private errorThresholdSquared_;
    /**
     * @type {Array}
     * @private
     */
    private triangles_;
    /**
     * Indicates that the triangulation crosses edge of the source projection.
     * @type {boolean}
     * @private
     */
    private wrapsXInSource_;
    /**
     * @type {boolean}
     * @private
     */
    private canWrapXInSource_;
    /**
     * @type {?number}
     * @private
     */
    private sourceWorldWidth_;
    /**
     * @type {?number}
     * @private
     */
    private targetWorldWidth_;
    /**
     * Adds triangle to the triangulation.
     * @param {import("../coordinate.js").Coordinate} a The target a coordinate.
     * @param {import("../coordinate.js").Coordinate} b The target b coordinate.
     * @param {import("../coordinate.js").Coordinate} c The target c coordinate.
     * @param {import("../coordinate.js").Coordinate} aSrc The source a coordinate.
     * @param {import("../coordinate.js").Coordinate} bSrc The source b coordinate.
     * @param {import("../coordinate.js").Coordinate} cSrc The source c coordinate.
     * @private
     */
    private addTriangle_;
    /**
     * Adds quad (points in clock-wise order) to the triangulation
     * (and reprojects the vertices) if valid.
     * Performs quad subdivision if needed to increase precision.
     *
     * @param {import("../coordinate.js").Coordinate} a The target a coordinate.
     * @param {import("../coordinate.js").Coordinate} b The target b coordinate.
     * @param {import("../coordinate.js").Coordinate} c The target c coordinate.
     * @param {import("../coordinate.js").Coordinate} d The target d coordinate.
     * @param {import("../coordinate.js").Coordinate} aSrc The source a coordinate.
     * @param {import("../coordinate.js").Coordinate} bSrc The source b coordinate.
     * @param {import("../coordinate.js").Coordinate} cSrc The source c coordinate.
     * @param {import("../coordinate.js").Coordinate} dSrc The source d coordinate.
     * @param {number} maxSubdivision Maximal allowed subdivision of the quad.
     * @private
     */
    private addQuad_;
    /**
     * Calculates extent of the `source` coordinates from all the triangles.
     *
     * @return {import("../extent.js").Extent} Calculated extent.
     */
    calculateSourceExtent(): import("../extent.js").Extent;
    /**
     * @return {Array} Array of the calculated triangles.
     */
    getTriangles(): Array;
}
//# sourceMappingURL=Triangulation.d.ts.map