@quartic/bokehjs
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Interactive, novel data visualization
30 lines (29 loc) • 1.45 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var proj4_1 = require("core/util/proj4");
exports.ProjectionUtils = (function () {
function ProjectionUtils() {
this.origin_shift = 2 * Math.PI * 6378137 / 2.0;
}
ProjectionUtils.prototype.geographic_to_meters = function (xLon, yLat) {
return proj4_1.proj4(proj4_1.wgs84, proj4_1.mercator, [xLon, yLat]);
};
ProjectionUtils.prototype.meters_to_geographic = function (mx, my) {
return proj4_1.proj4(proj4_1.mercator, proj4_1.wgs84, [mx, my]);
};
ProjectionUtils.prototype.geographic_extent_to_meters = function (extent) {
var ref, ref1, xmax, xmin, ymax, ymin;
xmin = extent[0], ymin = extent[1], xmax = extent[2], ymax = extent[3];
ref = this.geographic_to_meters(xmin, ymin), xmin = ref[0], ymin = ref[1];
ref1 = this.geographic_to_meters(xmax, ymax), xmax = ref1[0], ymax = ref1[1];
return [xmin, ymin, xmax, ymax];
};
ProjectionUtils.prototype.meters_extent_to_geographic = function (extent) {
var ref, ref1, xmax, xmin, ymax, ymin;
xmin = extent[0], ymin = extent[1], xmax = extent[2], ymax = extent[3];
ref = this.meters_to_geographic(xmin, ymin), xmin = ref[0], ymin = ref[1];
ref1 = this.meters_to_geographic(xmax, ymax), xmax = ref1[0], ymax = ref1[1];
return [xmin, ymin, xmax, ymax];
};
return ProjectionUtils;
})();