0b62c92cb3
By annotating the z property with @expose the compiler does not try to optimize that property in any way. See https://developers.google.com/closure/compiler/docs/js-for-compiler. The doc says that @expose should never be used in library code, but that's the only way I found for our case.
116 lines
2.7 KiB
JavaScript
116 lines
2.7 KiB
JavaScript
goog.provide('ol.Coordinate');
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goog.provide('ol.CoordinateFormatType');
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goog.require('goog.math');
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goog.require('goog.math.Vec2');
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/**
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* @typedef {function((ol.Coordinate|undefined)): string}
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*/
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ol.CoordinateFormatType;
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/**
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* Two dimensional coordinate which does not know its projection.
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*
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* @constructor
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* @extends {goog.math.Vec2}
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* @param {number} x X.
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* @param {number} y Y.
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* @param {number=} opt_z Z.
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*/
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ol.Coordinate = function(x, y, opt_z) {
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goog.base(this, x, y);
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/**
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* @expose
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* @type {number}
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*/
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this.z = goog.isDef(opt_z) ? opt_z : NaN;
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};
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goog.inherits(ol.Coordinate, goog.math.Vec2);
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/**
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* @const
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* @type {ol.Coordinate}
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*/
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ol.Coordinate.ZERO = new ol.Coordinate(0, 0);
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/**
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* @param {number=} opt_precision Precision.
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* @return {ol.CoordinateFormatType} Coordinate format.
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*/
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ol.Coordinate.createStringXY = function(opt_precision) {
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return function(coordinate) {
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return ol.Coordinate.toStringXY(coordinate, opt_precision);
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};
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};
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/**
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* @private
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* @param {number} degrees Degrees.
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* @param {string} hemispheres Hemispheres.
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* @return {string} String.
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*/
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ol.Coordinate.degreesToStringHDMS_ = function(degrees, hemispheres) {
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var normalizedDegrees = goog.math.modulo(degrees + 180, 360) - 180;
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var x = Math.abs(Math.round(3600 * normalizedDegrees));
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return Math.floor(x / 3600) + '\u00b0 ' +
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Math.floor((x / 60) % 60) + '\u2032 ' +
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Math.floor(x % 60) + '\u2033 ' +
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hemispheres.charAt(normalizedDegrees < 0 ? 1 : 0);
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};
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/**
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* @param {ol.Coordinate|undefined} coordinate Coordinate.
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* @return {string} Hemisphere, degrees, minutes and seconds.
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*/
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ol.Coordinate.toStringHDMS = function(coordinate) {
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if (goog.isDef(coordinate)) {
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return ol.Coordinate.degreesToStringHDMS_(coordinate.y, 'NS') + ' ' +
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ol.Coordinate.degreesToStringHDMS_(coordinate.x, 'EW');
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} else {
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return '';
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}
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};
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/**
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* @param {ol.Coordinate|undefined} coordinate Coordinate.
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* @param {number=} opt_precision Precision.
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* @return {string} XY.
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*/
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ol.Coordinate.toStringXY = function(coordinate, opt_precision) {
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if (goog.isDef(coordinate)) {
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var precision = opt_precision || 0;
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return coordinate.x.toFixed(precision) + ', ' +
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coordinate.y.toFixed(precision);
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} else {
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return '';
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}
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};
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/**
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* Create an ol.Coordinate from an Array and take into account axis order.
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* @param {Array} array The array with coordinates.
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* @param {string} axis the axis info.
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* @return {ol.Coordinate} The coordinate created.
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*/
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ol.Coordinate.fromProjectedArray = function(array, axis) {
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var firstAxis = axis.charAt(0);
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if (firstAxis === 'n' || firstAxis === 's') {
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return new ol.Coordinate(array[1], array[0]);
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} else {
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return new ol.Coordinate(array[0], array[1]);
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}
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};
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