Method init

src/chart/sankey/SankeyView.ts:122–126

(ecModel: GlobalModel, api: ExtensionAPI)

    private _firstRender: boolean;

    init(ecModel: GlobalModel, api: ExtensionAPI): void {
        this._controller = new RoamController(api.getZr());
        this.group.add(this._mainGroup);
        this._firstRender = true;
    }

    render(seriesModel: SankeySeriesModel, ecModel: GlobalModel, api: ExtensionAPI) {
        const graph = seriesModel.getGraph();