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June 8, 2020 00:40
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HW1// source https://jsbin.com/digozuv
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>HW1</title> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <style id="jsbin-css"> | |
| .bar { | |
| fill: LightGray; | |
| stroke: Black; | |
| } | |
| #ylabel { | |
| font-family: Helvetica; | |
| font-size: 14px; | |
| fill: Black; | |
| text-anchor:middle; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="chart"></div> | |
| <script id="jsbin-javascript"> | |
| d3.json('https://raw.githubusercontent.com/hvo/datasets/master/us-refugees.json') | |
| .then(refugees => { | |
| var data = refugees.map(x => ([x.Year, | |
| Object.entries(x) | |
| .filter(item=>(item[0]!='Year')) | |
| .reduce((total, item)=>(total+item[1]), 0) | |
| ])); | |
| createPlot(data); | |
| }); | |
| function createPlot(data) { | |
| const canvasSize = [300, 1000]; | |
| const barStart = 60; | |
| const chartLeft = 20; //left alignment for both chart title and year labels | |
| const rowHeight = 20; | |
| const transitionDur = 1000; | |
| var chart = d3.select("#chart"); | |
| var canvas = chart.append("svg") | |
| .attr('width', canvasSize[0]) | |
| .attr('height', canvasSize[1]); | |
| // y axis labels | |
| var y = d3.scaleLinear() | |
| .domain([d3.min(data.map(x=>x[0])), | |
| d3.max(data.map(x=>x[0]))]) | |
| .range([0, (data.length-1)*rowHeight]); | |
| canvas.append('g') | |
| .attr('transform', 'translate(55, 60)') | |
| .call(d3.axisLeft(y).ticks(data.length, 'I')) | |
| .call(g => g.select(".domain").remove()) | |
| // y axis title | |
| const yTitlePos = [chartLeft-10, canvasSize[1]*2/5] | |
| canvas.append('text') | |
| .attr('class', '#ylabel') | |
| .attr('x', yTitlePos[0]) | |
| .attr('y', yTitlePos[1]) | |
| .attr('transform', `rotate(-90, ${yTitlePos[0]}, ${yTitlePos[1]})`) | |
| .text('Year'); | |
| // the actual bars | |
| const barMaxWidth = canvasSize[0]-100 | |
| var maxVal = d3.max(data.map(x=>x[1])); | |
| var widthScale = d3.scaleLinear() | |
| .domain([0, maxVal]) | |
| .range([0, barMaxWidth]); | |
| canvas.selectAll('.legendGroup') | |
| .data(data).enter() | |
| .append('g').append('rect') | |
| .attr('class', 'bar') | |
| .attr('x', barStart) | |
| .attr('y', (d, i)=>(50 + i*rowHeight)) | |
| .attr('width', d=>widthScale(d[1])) | |
| .attr('height', rowHeight-2) | |
| .on('mouseover', (d, i) => { | |
| d3.select(event.currentTarget) | |
| .transition().duration(transitionDur) | |
| .style('fill', 'SteelBlue') | |
| .attr('x', chartLeft) | |
| .attr('width', 60+widthScale(maxVal)) | |
| }) | |
| .on('mouseout', d => { | |
| d3.select(event.currentTarget) | |
| .transition().duration(transitionDur) | |
| .style('fill', 'LightGrey') | |
| .attr('x', barStart) | |
| .attr('width', widthScale(d[1])) | |
| }); | |
| // title | |
| canvas.append('text') | |
| .attr('x', chartLeft) | |
| .attr('y', rowHeight) | |
| .text('Refugees'); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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| .bar { | |
| fill: LightGray; | |
| stroke: Black; | |
| } | |
| #ylabel { | |
| font-family: Helvetica; | |
| font-size: 14px; | |
| fill: Black; | |
| text-anchor:middle; | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| d3.json('https://raw.githubusercontent.com/hvo/datasets/master/us-refugees.json') | |
| .then(refugees => { | |
| var data = refugees.map(x => ([x.Year, | |
| Object.entries(x) | |
| .filter(item=>(item[0]!='Year')) | |
| .reduce((total, item)=>(total+item[1]), 0) | |
| ])); | |
| createPlot(data); | |
| }); | |
| function createPlot(data) { | |
| const canvasSize = [300, 1000]; | |
| const barStart = 60; | |
| const chartLeft = 20; //left alignment for both chart title and year labels | |
| const rowHeight = 20; | |
| const transitionDur = 1000; | |
| var chart = d3.select("#chart"); | |
| var canvas = chart.append("svg") | |
| .attr('width', canvasSize[0]) | |
| .attr('height', canvasSize[1]); | |
| // y axis labels | |
| var y = d3.scaleLinear() | |
| .domain([d3.min(data.map(x=>x[0])), | |
| d3.max(data.map(x=>x[0]))]) | |
| .range([0, (data.length-1)*rowHeight]); | |
| canvas.append('g') | |
| .attr('transform', 'translate(55, 60)') | |
| .call(d3.axisLeft(y).ticks(data.length, 'I')) | |
| .call(g => g.select(".domain").remove()) | |
| // y axis title | |
| const yTitlePos = [chartLeft-10, canvasSize[1]*2/5] | |
| canvas.append('text') | |
| .attr('class', '#ylabel') | |
| .attr('x', yTitlePos[0]) | |
| .attr('y', yTitlePos[1]) | |
| .attr('transform', `rotate(-90, ${yTitlePos[0]}, ${yTitlePos[1]})`) | |
| .text('Year'); | |
| // the actual bars | |
| const barMaxWidth = canvasSize[0]-100 | |
| var maxVal = d3.max(data.map(x=>x[1])); | |
| var widthScale = d3.scaleLinear() | |
| .domain([0, maxVal]) | |
| .range([0, barMaxWidth]); | |
| canvas.selectAll('.legendGroup') | |
| .data(data).enter() | |
| .append('g').append('rect') | |
| .attr('class', 'bar') | |
| .attr('x', barStart) | |
| .attr('y', (d, i)=>(50 + i*rowHeight)) | |
| .attr('width', d=>widthScale(d[1])) | |
| .attr('height', rowHeight-2) | |
| .on('mouseover', (d, i) => { | |
| d3.select(event.currentTarget) | |
| .transition().duration(transitionDur) | |
| .style('fill', 'SteelBlue') | |
| .attr('x', chartLeft) | |
| .attr('width', 60+widthScale(maxVal)) | |
| }) | |
| .on('mouseout', d => { | |
| d3.select(event.currentTarget) | |
| .transition().duration(transitionDur) | |
| .style('fill', 'LightGrey') | |
| .attr('x', barStart) | |
| .attr('width', widthScale(d[1])) | |
| }); | |
| // title | |
| canvas.append('text') | |
| .attr('x', chartLeft) | |
| .attr('y', rowHeight) | |
| .text('Refugees'); | |
| } |
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