<!DOCTYPE html>
<html>
<head>
<script data-require="[email protected]" data-semver="3.5.3" src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.3/d3.js"></script>
<script data-require="[email protected]" data-semver="2.1.4" src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
<style>
svg {
font: 10px sans-serif;
}
svg .text {
font-size: 1.2em;
shape-rendering: crispEdges;
}
.controls {
display: block;
margin-left: 20px;
margin-top: 20px;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.line {
fill: none;
}
.grid {
stroke: #eee;
}
.bar {
fill: #40779C;
}
.bar:hover {
fill: #AD4444;
}
.barChart .x.axis path {
stroke: none;
}
.barChart .text,
.lineChart .text {
fill: #fff;
}
.pieChart .text {
fill: #666;
}
.arc path {
stroke: #fff;
}
#getData {
margin-left: 10px;
}
#weeks {
margin-left: 10px;
}
.accordion-title {
margin: 3px 0;
}
.overlay {
fill: none;
stroke: none;
}
.dataNode {
fill: #eee;
stroke: #666;
}
</style>
</head>
<body>
<div class="row">
<div class="col-lg-12">
<div class="panel panel-default">
<div class="panel-heading">
Data sets
</div>
<div class="panel-body">
<div class="checkbox">
<label>
<input type="checkbox" class="data-set-control" checked="" />
<span>dataSet1</span>
</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" class="data-set-control" checked="" />
<span>dataSet2</span>
</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" class="data-set-control" checked="" />
<span>dataSet3</span>
</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" class="data-set-control" />
<span>dataSet4</span>
</label>
</div>
</div>
</div>
</div>
</div>
<br />
<div class="row">
<div id="chartContainer"></div>
</div>
<script>
dataSet1 = {
name: 'dataSet1',
data: [{
x: 0,
y: 19
}, {
x: 1,
y: 16
}, {
x: 2,
y: 21
}, {
x: 3,
y: 24
}, {
x: 4,
y: 19
}, {
x: 5,
y: 18
}, {
x: 6,
y: 22
}]
}
dataSet2 = {
name: 'dataSet2',
data: [{
x: 0,
y: 26
}, {
x: 1,
y: 23
}, {
x: 2,
y: 29
}, {
x: 3,
y: 34
}, {
x: 4,
y: 27
}, {
x: 5,
y: 28
}, {
x: 6,
y: 33
}]
};
dataSet3 = {
name: 'dataSet3',
data: [{
x: 0,
y: 45
}, {
x: 1,
y: 51
}, {
x: 2,
y: 42
}, {
x: 3,
y: 47
}, {
x: 4,
y: 54
}, {
x: 5,
y: 57
}, {
x: 6,
y: 49
}]
};
dataSet4 = {
name: 'dataSet4',
data: [{
x: 0,
y: 80
}, {
x: 1,
y: 69
}, {
x: 2,
y: 81
}, {
x: 3,
y: 84
}, {
x: 4,
y: 78
}, {
x: 5,
y: 83
}, {
x: 6,
y: 85
}]
};
// coerce json strings to integers
function mapData(data) {
data.forEach(function(d) {
d.data.forEach(function(v) {
v.y = (v.y) ? +v.y : null;
});
});
return data;
}
// get requested data sets for json request
function getDataSets() {
// loop through checked boxes for requested data sets
dataSets = [];
var c = 0;
$('input:checkbox.data-set-control').each(function(i) {
if ($(this).prop('checked')) {
var name = $(this).siblings('span').html();
var val = $(this).val();
if (name == 'dataSet1') {
dataSets[c] = dataSet1;
c++;
}
if (name == 'dataSet2') {
dataSets[c] = dataSet2;
c++
}
if (name == 'dataSet3') {
dataSets[c] = dataSet3;
c++;
}
if (name == 'dataSet4') {
dataSets[c] = dataSet4;
c++;
}
}
});
return dataSets;
}
// svg margins
var margin = {
top: 20,
right: 30,
bottom: 30,
left: 40
};
// svg dimensions
totalW = 900;
totalH = 400;
var width = totalW - margin.left - margin.right;
var height = totalH - margin.top - margin.bottom;
var radius = 3;
var x = d3.scale.linear()
.range([0, width], .1);
var y = d3.scale.linear()
.range([height, 0]);
var svg = d3.select('#chartContainer').append('svg')
.attr('class', 'lineChart')
.attr('width', width + margin.left + margin.right)
.attr('height', height + margin.top + margin.bottom)
.append('g')
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
var color = d3.scale.category10();
var line = d3.svg.line()
.defined(function(d) {
return d.y != null;
})
.interpolate('cardinal')
.x(function(d) {
return x(d.x);
})
.y(function(d) {
return y(d.y);
});
function render() {
/*
var ajax = JSON.stringify(getDataSets());
var url = '../scripts/d3-data.php?ajax='+ajax;
d3.json(url, function (data) { */
// json normally returns an array of objects commensurate
// to the number of checked boxes representing data sets
// manually set data for fiddle
data = getDataSets();
// global width/height variables are lost through json request
totalW = 900;
totalH = 400;
var width = totalW - margin.left - margin.right;
var height = totalH - margin.top - margin.bottom;
// coerce json to integers
d3Data = mapData(data);
color.domain(d3Data.map(function(d) {
return d.name;
}));
x.domain([
0,
d3.max(d3Data, function(d) {
return d3.max(d.data, function(v) {
return v.x;
});
})
]);
y.domain([
0,
d3.max(d3Data, function(d) {
return d3.max(d.data, function(v) {
return v.y + 10;
});
})
]);
var xAxis = d3.svg.axis()
.scale(x)
.orient('bottom');
var yAxis = d3.svg.axis()
.scale(y)
.orient('left');
// check if y axis exists
if (svg.selectAll(".y.axis")[0].length < 1) {
// does not, append to svg
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
} else {
// does, so transition any domain change(s)
var updateY = svg.selectAll(".y.axis");
updateY.transition().duration(500).call(yAxis);
}
// x axis never changes so only append if doesn't exist
if (svg.selectAll('.x.axis')[0].length < 1) {
svg.append('g')
.attr('class', 'x axis')
.call(xAxis)
.attr('transform', 'translate(0,' + height + ')');
}
// only add horizontal grid if doesn't exist
if (svg.selectAll('.grid')[0].length < 1) {
// add horizontal lines for readability
svg.append('g')
.attr('class', 'grid')
.call(d3.svg.axis().scale(y)
.orient('left')
.tickSize(-(width), 0, 0)
.tickValues(function(d, i) {
var tickVals = [];
var max = d3.max(d3Data, function(d) {
return d3.max(d.data, function(v) {
return +v.y;
});
});
for (i = 10; i < (max + 10); i += 10) {
tickVals.push(i);
}
return tickVals;
})
.tickFormat('')
);
}
var path = svg.selectAll('.line')
.data(d3Data)
.attr('class', 'line');
path.transition()
.duration(500)
.attr('d', function(d) {
return line(d.data);
})
.style('stroke', function(d) {
return color(d.name);
});
path.enter()
.append('path')
.attr('class', 'line')
.attr('d', function(d) {
return line(d.data);
})
.style('stroke', function(d) {
return color(d.name);
});
path.exit().remove();
var nodeGroup = svg.selectAll('.nodeGroup')
.data(d3Data, function(d){
return d.name;
});
nodeGroup.exit().remove();
nodeGroup
.enter()
.append('g')
.attr('class', 'nodeGroup');
var circles = nodeGroup.selectAll('.dataNode')
.data(function(d) {
return d.data;
});
circles.enter()
.append('circle')
.style('opacity', 0)
.attr('class', 'dataNode')
.attr('r', function(d) {
return d.y == null ? 0 : radius;
});
circles.exit().remove();
circles
.attr('cx', function(d) {
return x(d.x);
})
.attr('cy', function(d) {
return y(d.y);
})
.transition()
.duration(500)
.delay(300)
.style('opacity', 1);
//});
}
render();
$(function() {
$('input:checkbox.data-set-control').on('change', function() {
var type;
$('.btn-group button.btn').each(function() {
if ($(this).hasClass('active')) type = $(this).html().toLowerCase();
});
render();
});
});
</script>
</body>
</html>
Это красивая вещь. После нескольких часов удара головой против монитора я просто не мог окутать голову в то, что, как я понял, было очень простым решением. Спасибо за разъяснение и обновленный код! – nealb