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import { MapLineSeries } from "./MapLineSeries";
import { geoGraticule } from "d3-geo";
/**
* A [[MapChart]] series to draw a map grid.
*
* @see {@link https://www.amcharts.com/docs/v5/charts/map-chart/graticule-series/} for more info
* @important
*/
export class GraticuleSeries extends MapLineSeries {
constructor() {
super(...arguments);
Object.defineProperty(this, "_dataItem", {
enumerable: true,
configurable: true,
writable: true,
value: this.makeDataItem({})
});
}
_afterNew() {
super._afterNew();
this.dataItems.push(this._dataItem);
this._generate();
}
_updateChildren() {
super._updateChildren();
if (this.isDirty("step")) {
this._generate();
}
if (this.isDirty("clipExtent")) {
if (this.get("clipExtent")) {
const chart = this.chart;
if (chart) {
chart.events.on("geoboundschanged", () => {
this._generate();
});
}
this._generate();
}
}
}
_generate() {
let graticule = geoGraticule();
if (graticule) {
if (this.get("clipExtent")) {
const chart = this.chart;
if (chart) {
const geoBounds = chart.geoBounds();
if (geoBounds) {
graticule.extent([[geoBounds.left, geoBounds.bottom], [geoBounds.right, geoBounds.top]]);
}
}
}
const step = this.get("step", 10);
graticule.stepMinor([360, 360]);
graticule.stepMajor([step, step]);
this._dataItem.set("geometry", graticule());
}
}
}
Object.defineProperty(GraticuleSeries, "className", {
enumerable: true,
configurable: true,
writable: true,
value: "GraticuleSeries"
});
Object.defineProperty(GraticuleSeries, "classNames", {
enumerable: true,
configurable: true,
writable: true,
value: MapLineSeries.classNames.concat([GraticuleSeries.className])
});
//# sourceMappingURL=GraticuleSeries.js.map