Public
Edited
Apr 19, 2023
alphabet = FileAttachment("alphabet.csv").csv({typed: true})
// Copyright 2021 Observable, Inc.
// Released under the ISC license.
// https://observablehq.com/@d3/horizontal-bar-chart
{
const data = alphabet;
const marginLeft = 40;
const marginRight = 20;
const marginTop = 20;
const marginBottom = 40;
const width = 900;
const height = 500;
// Construct scales and axes.
const xScale = d3.scaleLinear()
.domain([0, d3.max(data, d => d.frequency)])
.range([marginLeft, width - marginRight]);
const yScale = d3.scaleBand()
.domain(data.map(d => d.letter))
.range([marginTop, height - marginBottom]).padding(0.1)
const xAxis = d3.axisBottom(xScale).ticks(5).tickSize(0).tickPadding(20);
const yAxis = d3.axisLeft(yScale).tickSize(0).tickPadding(20);
const svg = d3.create("svg")
.attr("width", width)
.attr("height", height)
.attr("viewBox", [0, 0, width, height])
.attr("style", "max-width: 100%; height: auto; height: intrinsic;");
// how to deal with axis in the same append group
svg.append("g")
.attr("transform", `translate(0,${height-marginBottom})`)
.call(xAxis)
.call(g => g.select(".domain").remove())
.call(g => g.selectAll(".tick text")
.attr("fill", "gray")
.attr("font-size", 14)
.attr("font-weight", "bold"))
svg.append("g")
.attr("fill", "#002EEE")
.selectAll("rect")
.data(data)
.join("rect")
.attr("rx", 5)
.attr("x", xScale(0))
.attr("y", d => yScale(d.letter))
.attr("width", d => xScale(d.frequency) - xScale(0))
.attr("height", yScale.bandwidth());
svg.append("g")
.attr("transform", `translate(${marginLeft},0)`)
.call(yAxis)
.call(g => g.select(".domain").remove())
.call(g => g.selectAll(".tick text")
.attr("fill", "gray")
.attr("font-size", 14)
.attr("font-weight", "bold"));
return svg.node();
}
import {howto, altplot} from "@d3/example-components"
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.
