Sucettes ​

Une tige avec un point au bout au lieu d'une barre : style.shape: 'lollipop'.

ts
import * as d3 from 'd3'
import {
  d3pAutoInteractionArea, D3PAxis, D3PAxisDomain, D3PBarRenderer, D3PChart, d3pDomTooltip, D3PSeries,
  D3PTooltip, getGlobalBus,
} from 'd3pict'
// your series data: replace these generators with your own values
import { walk } from './data'

const bus = getGlobalBus()

const container = document.getElementById('app')! // any element with a size: the chart fills it

const MONTHS = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
const COLORS = d3.schemeTableau10
const month = (v: unknown) => MONTHS[Math.round(Number(v))] ?? ''
/** A series of numbers over 12 months, x being the month index. */
const monthly = (seed: number, base: number, spread: number) => walk(seed, 12, base, spread, 5, 100).map((v, i) => [i, v] as [number, number])

const visits = new D3PSeries({ bus, name: 'visits', data: MONTHS.map((m, i) => [m, Math.round(30 + 45 * Math.abs(Math.sin(i * 0.7)))]) })
const dx = new D3PAxisDomain({ bus, domain: MONTHS })
const dy = new D3PAxisDomain({ bus, domain: [0, 100] })
const x = new D3PAxis({ bus, name: 'x', domain: dx, scaleType: 'band' })
const y = new D3PAxis({ bus, name: 'y', domain: dy, position: 'left', props: { grid: { enabled: true } } })
const bars = new D3PBarRenderer({ bus, series: visits, props: { style: { shape: 'lollipop', color: '#b07aa1', headRadius: 6 } } })

const tooltip = new D3PTooltip({ bus })
const objects = [x, y, bars, tooltip]

const chart = new D3PChart({ container, bus })
const stopArea = d3pAutoInteractionArea(chart) // before the objects: the cursor, the tooltip and the tools ask for an interaction area
objects.forEach((o) => o.addToChart(chart))
const stopTooltip = d3pDomTooltip(tooltip)

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