highValuePopulationStack(ipfsData, 'IPFS High-Value Population Change')
highValuePopulationStack(filecoinData, 'Filecoin High-Value Population Change')
highValuePopulationStack = (data, title) => {
const getColor = label => colorMap[label]
const container = html`<canvas></canvas>`;
const states = Object.keys(data[0].transitions).filter(l => ['New High-Value', 'Low to High-Value', 'Lapsed High-Value', 'High to Low-Value', 'Reactivated High-Value'].includes(l))
const myChart = new Chart(container, {
type: 'bar',
options: {
title: { display: true, text: title },
legend: { align: 'start', position: 'right' },
scales: {
xAxes: [{stacked: true}],
yAxes: [{stacked: true}]
}
},
data: {
labels: data.map((t) => dateDiffToHuman(t.date)),
datasets: states.map((label, index) => {
const direction = label.match(/^(Bounced|Lapsed|High to)/) ? -1 : 1
const baseColor = direction === 1 ? color.blue : color.red
const backgroundColor = d3.color(baseColor).brighter(index * 0.5).hex()
return {
label,
fill: true,
backgroundColor,
data: data.map(s => s.transitions[label] * direction)
}
})
},
});
return container;
}
colorMap = ({
'First Time': color.blue,
'Bounced' : color.red,
'Lapsed High-Value': d3.color(color.red).darker().hex(),
'Lapsed Low-Value': d3.color(color.red).brighter().hex(),
'High to Low-Value': d3.color(color.yellow).brighter(0.5).hex(),
'Low-Value': d3.color(color.yellow).darker(0.25).hex(),
'New Low-Value': color.yellow,
'Reactivated Low-Value': d3.color(color.yellow).brighter(0.25).hex(),
'High-Value': d3.color(color.green).darker(0.25).hex(),
'Low to High-Value': d3.color(color.green).brighter(0.75).hex(),
'New High-Value': d3.color(color.green).brighter(0.12).hex(),
'Reactivated High-Value': d3.color(color.green).brighter(1.7).hex()
})
color = ({
red: d3.schemeTableau10[2],
orange: d3.schemeTableau10[1],
green: d3.schemeTableau10[4],
teal: d3.schemeTableau10[3],
blue: d3.schemeTableau10[0],
grey: d3.schemeTableau10[9],
yellow: d3.schemeTableau10[5]
})
ipfsData = (await fetch(`${ipfsGetTransitionsUrl}?start_date=${startDate}`)).json()
filecoinData = (await fetch(`${filecoinGetTransitionsUrl}?start_date=${startDate}`)).json()
Chart = require('https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.9.3/Chart.bundle.min.js')
moment = require('moment')
import { dateDiffToHuman } from '@protocol/utils'
d3 = require('d3')
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
