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OpenStreetMap + d3 tiles + brush slider
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<html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
width: 960px; | |
margin: 0 auto; | |
} | |
.map { | |
width: 100%; | |
height: 400px; | |
} | |
path { | |
fill: none; | |
stroke: #000; | |
stroke-linejoin: round; | |
stroke-linecap: round; | |
} | |
.major_road { stroke: #776; } | |
.minor_road { stroke: #ccb; } | |
.highway { stroke: #666; stroke-width: 1.5px; } | |
.rail { stroke: #999; } | |
.water, .ocean, .riverbank { | |
fill: #C7DBFF; | |
stroke: none; | |
} | |
.tick line { | |
stroke: black; | |
} | |
.tick text { | |
font-size: 10px; | |
} | |
</style> | |
<body> | |
<div class="map"></div> | |
<div class="controls"></div> | |
</body> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script src="http://d3js.org/d3.geo.tile.v0.min.js"></script> | |
<script> | |
/* | |
Map | |
*/ | |
var width = 960, | |
height = 500; | |
var tiler = d3.geo.tile() | |
.size([width, height]); | |
var center = [-71.07, 42.355]; | |
var projection = d3.geo.mercator() | |
.center(center) | |
.scale((1 << 22) / 2 / Math.PI) | |
.translate([width / 2, height / 2]); | |
var path = d3.geo.path() | |
.projection(projection); | |
var w = d3.select('.map').style('width').replace('px',''), | |
h = d3.select('.map').style('height').replace('px',''); | |
var svg = d3.selectAll('.map').append('svg') | |
.attr('width', w) | |
.attr('height', h); | |
svg.selectAll('g') | |
.data(tiler | |
.scale(projection.scale() * 2 * Math.PI) | |
.translate(projection([0, 0]))) | |
.enter().append('g') | |
.each(function(d) { | |
var g = d3.select(this); | |
// d3.json('http://' + ['a', 'b', 'c'][(d[0] * 31 + d[1]) % 3] + '.tile.openstreetmap.us/vectiles-water-areas/' + d[2] + '/' + d[0] + '/' + d[1] + '.json', function(error, json) { | |
d3.json('http://' + ['a', 'b', 'c'][(d[0] * 31 + d[1]) % 3] + '.tile.openstreetmap.us/vectiles-all/' + d[2] + '/' + d[0] + '/' + d[1] + '.json', function(error, json) { | |
// Water areas | |
g.selectAll('path') | |
.data(json["water-areas"].features.sort(function(a, b) { return a.properties.sort_key - b.properties.sort_key; })) | |
.enter().append('path') | |
.attr('class', function(d) { return d.properties.kind; }) | |
.attr('d', path); | |
// Highroads | |
g.selectAll('path') | |
.data(json["highroad"].features.sort(function(a, b) { return a.properties.sort_key - b.properties.sort_key; })) | |
.enter().append('path') | |
.attr('class', function(d) { return d.properties.kind; }) | |
.attr('d', path); | |
}); | |
}); | |
// Features | |
d3.json('points.json', function(err, raw) { | |
// Add dummy data for force, angle, quality | |
var data = raw; | |
data.points.forEach(function(p) { | |
p.angle = Math.floor(Math.random() * 360) + 1; | |
p.force = Math.floor(Math.random() * 10) + 1; | |
p.quality = Math.floor(Math.random() * 10) + 1; | |
}); | |
d3.selectAll('svg') | |
.selectAll('.sensor') | |
.data(data.points) | |
.enter() | |
.append('g') | |
.attr('class', function(d, i) {return 'sensor ' + i;}) | |
.attr('transform', function(d) {return 'translate(' + projection(d.coordinates)[0] + ',' + projection(d.coordinates)[1] + ')';}); | |
var colors = { | |
worst: '#fee6ce', | |
middle: '#fdae6b', | |
best: '#e6550d' | |
}; | |
/* | |
Bubbles + slider | |
*/ | |
var line = d3.svg.line(), | |
x = function(d) {return d.force*5 * Math.cos(d.angle * (Math.PI/180));}, | |
y = function(d) {return d.force*5 * Math.sin(d.angle * (Math.PI/180));}; | |
var wind = d3.selectAll('.sensor') | |
.append('circle') | |
.attr('class', 'area') | |
.attr('r', function(d) {return d.force * 2;}) | |
.style('fill', function(d) { | |
return d.quality < 4 ? colors.worst : (d.quality < 8 ? colors.middle : colors.best); | |
}) | |
.style('opacity', 0.8) | |
; | |
var parse = d3.time.format("%X %x").parse, | |
formatter = d3.time.format('%I %p'); | |
var domain = ['08:00:00 03/06/2014', '18:00:00 03/06/2014'], | |
xScale = d3.time.scale() | |
.domain([parse(domain[0]), parse(domain[1])]) | |
.range([0, 500]) | |
.clamp(true), | |
xAxis = d3.svg.axis().scale(xScale) | |
.tickFormat(function(d) { | |
var t = formatter(d); | |
return t.charAt(0) == '0' ? t.substring(1) : t; | |
}); | |
var g = d3.select('.controls').append('svg').append("g") | |
.attr("transform", "translate(30,40)"); | |
g.append('g').attr('class', 'x axis').call(xAxis); | |
var brush = d3.svg.brush() | |
.x(xScale) | |
.extent([0, 0]) | |
.on("brush", brushed) | |
; | |
var height = 40; | |
var slider = g.append("g") | |
.attr("class", "slider") | |
.attr('transform', 'translate(0,'+(-height/2)+')') | |
.call(brush); | |
slider.selectAll(".extent,.resize") | |
.remove(); | |
slider.select(".background") | |
.attr("height", height); | |
var handle = slider.append("circle") | |
.attr("class", "handle") | |
.attr("transform", "translate(0," + height / 2 + ")") | |
.attr("r", 5); | |
slider.on('mousemove', function() { | |
var value = xScale.invert(d3.mouse(this)[0]), | |
nearestHour = d3.time.hour.round(value); | |
brush.extent([nearestHour, nearestHour]); | |
brushed(); | |
}); | |
var lastHour; | |
function brushed() { | |
var nearestHour = d3.time.hour.round(brush.extent()[0]); | |
brush.extent([nearestHour, nearestHour]); | |
if (+nearestHour !== +lastHour) { | |
lastHour = nearestHour; | |
handle.attr("cx", xScale(nearestHour)); | |
d3.selectAll('.map circle').attr('r', function(d) {return d.force*Math.random()*4;}); | |
} | |
} | |
}); | |
</script> | |
</html> |
This file contains 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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{ | |
"points": [ | |
{ | |
"coordinates": [-71.08695301055909,42.351447955911695] | |
}, | |
{ | |
"coordinates": [-71.08343395233155,42.35246284613574] | |
}, | |
{ | |
"coordinates": [-71.07905658721924,42.35360457804949] | |
}, | |
{ | |
"coordinates": [-71.07493671417237,42.35480971701297] | |
}, | |
{ | |
"coordinates": [-71.07219013214112,42.35874211499499] | |
}, | |
{ | |
"coordinates": [-71.07064517974854,42.361025329932644] | |
}, | |
{ | |
"coordinates": [-71.06798442840577,42.36660617273091] | |
}, | |
{ | |
"coordinates": [-71.06446537017823,42.3660988438709] | |
}, | |
{ | |
"coordinates": [-71.06326374053955,42.366542756847466] | |
}, | |
{ | |
"coordinates": [-71.06000217437744,42.36597201101572] | |
}, | |
{ | |
"coordinates": [-71.05768474578858,42.363625557007076] | |
}, | |
{ | |
"coordinates": [-71.05296405792237,42.36051795600514] | |
}, | |
{ | |
"coordinates": [-71.056139793396,42.36235716699952] | |
}, | |
{ | |
"coordinates": [-71.05768474578858,42.361596120703894] | |
}, | |
{ | |
"coordinates": [-71.05665477752687,42.35899580964063] | |
}, | |
{ | |
"coordinates": [-71.05948719024659,42.35931292650732] | |
}, | |
{ | |
"coordinates": [-71.0645512008667,42.352335985753925] | |
}, | |
{ | |
"coordinates": [-71.05819972991944,42.35239941597684] | |
}, | |
{ | |
"coordinates": [-71.05150493621827,42.35487314473933] | |
}, | |
{ | |
"coordinates": [-71.05193408966065,42.359439772805864] | |
}, | |
{ | |
"coordinates": [-71.05090412139893,42.36242058710804] | |
}, | |
{ | |
"coordinates": [-71.05201992034914,42.36673300430575] | |
}, | |
{ | |
"coordinates": [-71.05631145477297,42.36825496323038] | |
}, | |
{ | |
"coordinates": [-71.05819972991944,42.35220912511607] | |
}, | |
{ | |
"coordinates": [-71.05957302093506,42.35005245509584] | |
}, | |
{ | |
"coordinates": [-71.0605171585083,42.3465001313957] | |
}, | |
{ | |
"coordinates": [-71.05665477752687,42.34643669521955] | |
}, | |
{ | |
"coordinates": [-71.0619762802124,42.342884167190505] | |
}, | |
{ | |
"coordinates": [-71.06841358184815,42.347578536596444] | |
} | |
] | |
} |
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