Created
May 18, 2018 19:13
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| license: mit |
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| function pathReplace(string, numbers) { | |
| var next = 0; | |
| return string.replace(/#/g, function(match) { | |
| return (next < numbers.length) ? numbers[next++] : 0; | |
| }); | |
| } | |
| function labelPoint(g, x, y, tx, ty, label) { | |
| g.append('circle') | |
| .attr('cx', x) | |
| .attr('cy', y) | |
| .attr('r', 4) | |
| .attr('class', 'label-point'); | |
| labelText(g, x+tx, y+ty, label); | |
| } | |
| function labelText(g, x, y, label) { | |
| g.append('text') | |
| .attr('x', x) | |
| .attr('y', y) | |
| .attr('font-size', 12) | |
| .attr('dy', '.35em') | |
| .attr('text-anchor', 'middle') | |
| .attr('class', 'label') | |
| .text(label); | |
| } | |
| var width = 500, height = 200, | |
| x1 = 30, y1 = 160, x4 = 470, y4 = 160, | |
| angle = 20; | |
| var r = Math.sqrt(Math.pow(x1-x4, 2) + Math.pow(y1-y4, 2)), | |
| theta = Math.atan2((y1-y4),(x1-x4)), | |
| rad = angle/180.0*2*Math.PI, | |
| d = (0.3*r) / Math.cos(rad), | |
| aO = theta - rad + Math.PI, | |
| aD = theta + rad, | |
| x2 = x1 + d*Math.cos(aO), | |
| y2 = y1 + d*Math.sin(aO), | |
| x3 = x4 + d*Math.cos(aD), | |
| y3 = y4 + d*Math.sin(aD); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append('path') | |
| .attr('d', pathReplace('M#,# L#,#', [x1, y1, x2, y2])) | |
| .attr('class', 'shadow-line'); | |
| svg.append('path') | |
| .attr('d', pathReplace('M#,# L#,#', [x3, y3, x4, y4])) | |
| .attr('class', 'shadow-line'); | |
| svg.append('path') | |
| .attr('d', pathReplace('M#,# L#,#', [x1, y1, x4, y4])) | |
| .attr('class', 'shadow-line'); | |
| svg.append('path') | |
| .attr('d', pathReplace('M#,# C#,# #,# #,#', [x1, y1, x2, y2, x3, y3, x4, y4])) | |
| .attr('class', 'line'); | |
| labelPoint(svg, x1, y1, -12, 14, 'A'); | |
| labelPoint(svg, x2, y2, -12, -14, 'B'); | |
| labelPoint(svg, x3, y3, 12, -14, 'C'); | |
| labelPoint(svg, x4, y4, 12, 14, 'D'); | |
| var arc = d3.svg.arc() | |
| .innerRadius(40) | |
| .outerRadius(40); | |
| svg.append('path') | |
| .attr('d', arc.startAngle(Math.PI/2 - rad).endAngle(Math.PI/2)) | |
| .attr('transform', 'translate('+[x1,y1]+')') | |
| .attr('class', 'shadow-line'); | |
| labelText(svg, x1 + 2/3 * arc.centroid()[0], y1 + 2/3 * arc.centroid()[1], 'α'); | |
| svg.append('path') | |
| .attr('d', arc.startAngle(Math.PI*1.5).endAngle(Math.PI*1.5 + rad)) | |
| .attr('transform', 'translate('+[x4,y4]+')') | |
| .attr('class', 'shadow-line'); | |
| labelText(svg, x4 + 2/3 * arc.centroid()[0], y4 + 2/3 * arc.centroid()[1], 'α'); | |
| labelText(svg, 0.5 * (x1 + x4), y1 - 12, 'd'); | |
| labelText(svg, 0.5 * (x1 + x2) - 9, 0.5 * (y1 + y2) - 9, 'r'); | |
| labelText(svg, 0.5 * (x3 + x4) + 9, 0.5 * (y3 + y4) - 9, 'r'); |
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| <!doctype html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Line Chart</title> | |
| <style> | |
| .line { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 1.5; | |
| } | |
| .shadow-line { | |
| fill: none; | |
| stroke: #444; | |
| stroke-dasharray: 5, 5; | |
| stroke-width: 1.5; | |
| } | |
| .label-point { | |
| fill: #000; | |
| } | |
| .label { | |
| font-family: serif; | |
| font-style: italic; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.js"></script> | |
| <script src="draw.js"></script> | |
| </body> | |
| </html> |
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