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July 8, 2018 16:38
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random circle 3d practice
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license: mit |
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
.axis path, | |
.axis line { | |
stroke: teal; | |
shape-rendering: crispEdges; | |
} | |
.axis text{ | |
font-family: Optima, Futura, sans-serif; | |
font-weight: bold; | |
font-size: 14px; | |
fill:teal; | |
} | |
</style> | |
</head> | |
<body> | |
<script> | |
const dataArray = [ [5, 20], [480,90], [250, 50], [100, 33], [330, 95], [410, 12], | |
[475, 44], [25, 67], [85, 21], [220, 88], [600,150] ]; | |
const w = 500, h = 300, padding = 30; | |
const canvas = d3.select("body") | |
.append("svg") | |
.attr("width", w) | |
.attr("height",h); | |
const xScale = d3.scaleLinear() | |
.domain([0, d3.max(dataArray, d => d[0])]) | |
.range([0 + padding , w - padding * 2]); | |
const yScale = d3.scaleLinear() | |
.domain([0, d3.max(dataArray, d => d[1])]) | |
.range([h - padding, padding]); | |
const rScale = d3.scaleSqrt() | |
.domain([0, d3.max(dataArray, d => d[1])]) | |
.range([0,10]); | |
const xAxis = d3.axisBottom(xScale) | |
.ticks(5); | |
const yAxis = d3.axisLeft(yScale) | |
canvas.selectAll("circle") | |
.data(dataArray) | |
.enter() | |
.append("circle") | |
.attr("cx", d => xScale(d[0])) | |
.attr("cy", d => yScale(d[1])) | |
.attr("r", d=> rScale(d[1]) ); | |
canvas.selectAll("text") | |
.data(dataArray) | |
.enter() | |
.append("text") | |
.text((d) => {return d[0] + "," + d[1]}) | |
.attr("x",d=> xScale(d[0])) | |
.attr("y",d=> yScale(d[1])) | |
.attr("font-family", "sans-serif") | |
.attr("font-size", "11px") | |
.attr("fill", "red"); | |
canvas.append("g") | |
.attr("class","axis") | |
.call(xAxis) | |
.attr("transform", "translate(0,"+ (h-padding)+")"); | |
canvas.append("g") | |
.attr("class","axis") | |
.call(yAxis) | |
.attr("transform","translate(" + padding + ",0)" ); | |
canvas.selectAll("circle") | |
.data(dataArray) | |
.transition() | |
.duration(1000) | |
.on("start", function () {d3.select(this) | |
.attr("fill","teal") | |
.attr("r",3) | |
}); | |
</script> | |
</body> |
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