Published
Edited
Jan 14, 2022
1 star
viewof periodIndex = Inputs.range([0, periods.length], {step: 1})
chart = {
const svg = d3.create('svg')
.attr('viewBox', [0, 0, width, height])
svg.append('g')
.call(xAxis)
.attr('transform', `translate(0, ${height - padding.bottom})`)
/*
svg.append('g')
.call(yAxis)
.attr('transform', `translate(${padding.left}, 0)`)
*/
let bars = svg.append('g')
.selectAll('rect')
return Object.assign(svg.node(), {
update(periods) {
bars = bars
.data(periods, d => d.id)
.join(
enter => enter.append('rect')
.attr('opacity', 0)
.call(bars => bars.transition()
.attr('opacity', 1)),
update => update
.attr('opacity', 1),
exit => exit
.call(bars => bars.transition()
.attr('opacity', 0)
.remove())
)
.attr('x', d => xScale(d.fromDate))
.attr('width', d => xScale(d.toDate) - xScale(d.fromDate))
.attr('height', d => yScale.range()[0] - yScale(1))
.attr('y', d => yScale.range()[1])
.attr('fill', d => d.code in colorsConfig ? colorsConfig[d.code] : '#444')
}
})
}
chart.update(chartPeriods)
chartPeriods = periods.filter((d, i) => i < periodIndex)
yScale = d3.scaleLinear()
.domain([0, 1])
.range([height - padding.top, padding.bottom])
yAxisFormat = d3.format('.0%')
yAxis = d3.axisLeft()
.scale(yScale)
.tickFormat(yAxisFormat)
.ticks(3)
xScale = d3.scaleTime()
.domain([d3.min(periods, d => new Date(d.from)), new Date()])
.range([0 + padding.left, width - padding.right])
xAxis = d3.axisBottom()
.scale(xScale)
periods = periodsConfig
.map(d => Object.assign(d, {
fromDate: new Date(d.from),
toDate: d.to ? new Date(d.to) : new Date()
}))
colorsConfig = ({
"bachelor": "#1f78b4",
"erasmus": "#a6cee3",
"master": "#1f78b4",
"fbk": "#33a02c",
"overit": "#33a02c"
})
periodsConfig = FileAttachment("periodsConfig.json").json()
width = 600
height = 80
padding = ({
top: 30,
right: 50,
bottom: 30,
left: 50
})
d3 = require('d3@v7')
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