google charts: timeline Scale

I use angular 6. In google chart timeline, how i can set the scale of the timeline to show just weeks or month, not show the day.

I set my graph like that :

Basegraph service

declare var google: any;

export class GoogleChartsBaseService
constructor()
google.charts.load('current', 'packages':["timeline"], 'language': 'fr');


protected buildChart(data: any, chartFunc: any, options: any) : void
var func = (chartFunc, options) =>
var datatable = google.visualization.arrayToDataTable(data);
chartFunc().draw(datatable, options);
;
var callback = () => func(chartFunc, options);
google.charts.setOnLoadCallback(callback);





Timeline service

import GoogleChartsBaseService from './google-charts-base.service';
import Injectable from '@angular/core';
import GanttChartConfig from './../models/GanttChartConfig.model';

declare var google: any;

@Injectable()
export class GoogleGanttChartService extends GoogleChartsBaseService

constructor() super();

public BuildPieChart(elementId: string, data: any, config: GanttChartConfig) : void
var chartFunc = () => return new google.visualization.Timeline(document.getElementById(elementId)); ;

var rowHeight = 41;
var chartHeight = data.length * rowHeight + 50;

var options =
traitement: config.traitement,
datedebut: config.datedebut,
datefin: config.datefin,
chartArea:,
height: chartHeight
;
this.buildChart(data, chartFunc, options);




1 Answer
1

Simply set hAxis.

var options = {
traitement: config.traitement,
datedebut: config.datedebut,
datefin: config.datefin,
chartArea:,
height: chartHeight,


hAxis:
format: 'dd MMMM yyyy',




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