ol/geom/flat/inflate.js

OpenLayers mapping library

/**
 * @module ol/geom/flat/inflate
 */
/**
 * @param {Array<number>} flatCoordinates Flat coordinates.
 * @param {number} offset Offset.
 * @param {number} end End.
 * @param {number} stride Stride.
 * @param {Array<import("../../coordinate.js").Coordinate>=} opt_coordinates Coordinates.
 * @return {Array<import("../../coordinate.js").Coordinate>} Coordinates.
 */
export function inflateCoordinates(flatCoordinates, offset, end, stride, opt_coordinates) {
    var coordinates = opt_coordinates !== undefined ? opt_coordinates : [];
    var i = 0;
    for (var j = offset; j < end; j += stride) {
        coordinates[i++] = flatCoordinates.slice(j, j + stride);
    }
    coordinates.length = i;
    return coordinates;
}
/**
 * @param {Array<number>} flatCoordinates Flat coordinates.
 * @param {number} offset Offset.
 * @param {Array<number>} ends Ends.
 * @param {number} stride Stride.
 * @param {Array<Array<import("../../coordinate.js").Coordinate>>=} opt_coordinatess Coordinatess.
 * @return {Array<Array<import("../../coordinate.js").Coordinate>>} Coordinatess.
 */
export function inflateCoordinatesArray(flatCoordinates, offset, ends, stride, opt_coordinatess) {
    var coordinatess = opt_coordinatess !== undefined ? opt_coordinatess : [];
    var i = 0;
    for (var j = 0, jj = ends.length; j < jj; ++j) {
        var end = ends[j];
        coordinatess[i++] = inflateCoordinates(flatCoordinates, offset, end, stride, coordinatess[i]);
        offset = end;
    }
    coordinatess.length = i;
    return coordinatess;
}
/**
 * @param {Array<number>} flatCoordinates Flat coordinates.
 * @param {number} offset Offset.
 * @param {Array<Array<number>>} endss Endss.
 * @param {number} stride Stride.
 * @param {Array<Array<Array<import("../../coordinate.js").Coordinate>>>=} opt_coordinatesss
 *     Coordinatesss.
 * @return {Array<Array<Array<import("../../coordinate.js").Coordinate>>>} Coordinatesss.
 */
export function inflateMultiCoordinatesArray(flatCoordinates, offset, endss, stride, opt_coordinatesss) {
    var coordinatesss = opt_coordinatesss !== undefined ? opt_coordinatesss : [];
    var i = 0;
    for (var j = 0, jj = endss.length; j < jj; ++j) {
        var ends = endss[j];
        coordinatesss[i++] = inflateCoordinatesArray(flatCoordinates, offset, ends, stride, coordinatesss[i]);
        offset = ends[ends.length - 1];
    }
    coordinatesss.length = i;
    return coordinatesss;
}
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