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Created
March 30, 2016 08:09
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SVG Grow Effect
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge"/> | |
<title>SVG Grow Effect</title> | |
<style> | |
html, body { | |
width: 100%; | |
height:100%; | |
background-color: black; | |
} | |
#chart { | |
width: 900px; | |
height:500px; | |
transform: perspective( 600px ) rotateY( 45deg ); | |
} | |
svg { | |
background-color: black; | |
} | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: white; | |
stroke-width: 1; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
fill:white; | |
} | |
.grid .tick { | |
stroke: white; | |
stroke-opacity: 0.7; | |
shape-rendering: crispEdges; | |
} | |
.grid path { | |
stroke-width: 0; | |
} | |
</style> | |
</head> | |
<body> | |
<svg id="chart"> | |
<defs> | |
<filter id="glow" x="-100" y="0" width="1800" height="600" filterUnits="userSpaceOnUse"> | |
<feOffset result = "offOut" in = "SourceGraphic" dx = "0" dy = "0"/> | |
<feColorMatrix result = "matrixOut" in = "offOut" type = "matrix" values = "1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 1 0.4"/> | |
<feGaussianBlur result = "blurOut" in = "matrixOut" stdDeviation = "10"/> | |
<feBlend in = "SourceGraphic" in2 = "blurOut" mode = "lighten"/> | |
</filter> | |
</defs> | |
</svg> | |
<script src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
<script src="http://shimz.me/module/thirdparty/stubJs.js"></script> | |
<script> | |
var width = 900; | |
var height = 300; | |
var margin = {top:0, left:280, bottom:0, right:0 } | |
//各種レイヤー要素を追加 | |
var svg = d3.select('#chart') | |
var stage = svg.append("g") | |
var axis = stage.append("g") | |
var g = stage.append("g") | |
//ランダムにデータセットを作る | |
var indexSeries = d3.range(30).map(function(d){ | |
return {x:d, y:Math.floor(Math.random()*5200)+1} | |
}) | |
//スケール設定 | |
var xScale = d3.scale.linear().domain([0, d3.max(indexSeries, function(d){ return d.x })]).range([margin.left, width]) | |
var yScale = d3.scale.linear().domain([0, d3.max(indexSeries, function(d){ return d.y })]).range([height, 0]) | |
//ライン生成関数を用意 | |
var lineFunction = d3.svg.line() | |
.x(function(d){ return xScale(d.x) }) | |
.y(function(d){ return yScale(d.y) }) | |
//ステージを奥に向かって進むようにアニメーション | |
stage.attr("transform", "translate("+[0, 0]+")") | |
.transition() | |
.duration(6000) | |
.attr("transform", "translate("+[-400, 100]+")") | |
//線グラフ追加 | |
var line = g.append('path') | |
.attr("filter", "url(#glow)") | |
.attr('fill', 'none') | |
.attr('stroke', 'lime') | |
.attr('stroke-width', 4) | |
//線グラフのアニメーション | |
line.transition() | |
.duration(6000) | |
.attrTween('d', getSmoothInterpolation); | |
//グリッド追加 | |
axis.append("g") | |
.attr("class", "grid") | |
.attr("transform", "translate(0," + height + ")") | |
.call(make_x_axis() | |
.tickSize(-height, 0, 0) | |
.tickFormat("") | |
) | |
axis.append("g") | |
.attr("class", "grid") | |
.call(make_y_axis() | |
.tickSize(-width, 0, 0) | |
.tickFormat("") | |
) | |
//軸追加 | |
var xAxis = d3.svg.axis().scale(xScale) | |
.orient("bottom") | |
var yAxis = d3.svg.axis().scale(yScale) | |
.orient("left") | |
axis.append("g") // Add the X Axis | |
.attr("class", "x axis") | |
.attr("transform", "translate(0," + height + ")") | |
.call(xAxis); | |
axis.append("g") // Add the Y Axis | |
.attr("class", "y axis") | |
.attr("transform", "translate("+margin.left+",0)") | |
.call(yAxis); | |
//パス用のカスタムトランジション | |
function getSmoothInterpolation() { | |
var interpolate = d3.scale.linear() | |
.domain([0,1]) | |
.range([1, indexSeries.length + 1]); | |
return function(t) { | |
var flooredX = Math.floor(interpolate(t)); | |
var interpolatedLine = indexSeries.slice(0, flooredX); | |
if(flooredX > 0 && flooredX < indexSeries.length) { | |
var weight = interpolate(t) - flooredX; | |
var weightedLineAverage = indexSeries[flooredX].y * weight + indexSeries[flooredX-1].y * (1-weight); | |
interpolatedLine.push({"x":interpolate(t)-1, "y":weightedLineAverage}); | |
} | |
return lineFunction(interpolatedLine); | |
} | |
} | |
//xグリッド生成 | |
function make_x_axis() { | |
return d3.svg.axis() | |
.scale(xScale) | |
.orient("bottom") | |
.ticks(40) | |
} | |
//yグリッド生成 | |
function make_y_axis() { | |
return d3.svg.axis() | |
.scale(yScale) | |
.orient("left") | |
.ticks(20) | |
} | |
</script> | |
</body> | |
</html> |
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