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Last active May 31, 2016 02:11
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Zoomable US States
Raw
README.md

Click a state to zoom and display counties. An extension of this block by Mike Bostock.

The color darker the greater the location quotient for employment in some industry (I forget what industry). The purpose of the example is to test out zoom functionality not to show data. That being said, the data is from the Bureau of Labor Statistics' QCEW survey.

Raw
countyData.csv
area_fips emp_lq
1001 0
1033 0
1051 0
1055 0
1069 0
1073 0.37
1081 0.15
1083 0
1089 0.46
1095 0
1097 0
1101 0
1103 0
1117 0
1125 0
1999 1.09
2020 0
2090 0
2999 0
4001 0
4003 0
4005 0
4013 0.41
4015 0
4019 1.37
4021 0
4025 0
4027 0
4999 1.14
5005 0
5007 0.16
5027 0
5031 0
5045 0
5059 0
5115 0
5119 0
5143 0
5999 0.14
6001 1.45
6005 0
6007 0
6013 0.72
6017 0.75
6019 0
6023 0
6029 0
6037 0.66
6041 3.22
6045 0
6047 0
6053 0.04
6055 0
6057 0.11
6059 1.56
6061 1.26
6065 0.06
6067 0.21
6071 0.14
6073 1.33
6075 1.59
6077 0
6079 1.64
6081 14.56
6083 3.87
6085 7.17
6087 0.61
6089 0
6095 0.05
6097 0.18
6099 0.02
6107 0
6111 0.39
6113 0
6115 0
6999 1.97
8001 0.43
8005 3.31
8007 0
8013 9.81
8014 5.38
8015 0
8031 2.01
8035 0.62
8037 0
8041 2.5
8045 0
8051 0
8059 0
8059 1.37
8067 0
8069 0.4
8077 0.15
8085 0
8091 0
8093 0
8097 0
8101 0
8107 0
8113 0
8117 0
8119 0
8123 0.09
8999 0.3
9001 1.74
9003 0.73
9005 0.43
9007 0.1
9009 0.24
9011 0.13
9013 1.61
9015 0
9999 0
10001 0
10003 0.12
10005 0
10999 1.15
11001 0.21
12001 1.18
12005 0
12009 0.21
12011 1.81
12015 0
12017 0
12019 0
12021 0.85
12031 0.45
12033 0.05
12035 0
12037 0
12053 0.05
12055 0
12057 1.01
12061 0
12069 0.18
12071 0.09
12073 0.39
12081 0.12
12083 0.08
12085 0
12086 0.28
12087 0.15
12089 0
12091 0
12095 0.98
12097 0
12099 0.42
12101 0.03
12103 0.46
12105 0.15
12109 0.17
12111 0
12113 0
12115 0.43
12117 1.91
12119 0
12123 0
12127 0.06
12131 0
12999 2.48
13015 0
13021 0.28
13029 0
13031 0
13045 0
13047 0
13051 0
13057 0.46
13059 0.26
13063 0
13067 1.03
13073 0
13077 0
13089 1.84
13095 0
13097 0
13113 0.26
13115 0
13117 1.12
13121 4.11
13127 0
13133 0
13135 2.29
13137 0
13139 0.04
13143 0
13151 0
13153 0
13157 0
13185 0
13215 0
13219 0
13223 0
13241 0
13245 0
13289 0
13311 0
13999 3.01
15001 0
15003 0.04
15007 0
15009 0.11
15999 0
16001 0.26
16003 0
16005 0
16007 0
16009 0
16017 0
16019 0
16025 0
16027 0
16037 0
16041 0
16043 0
16045 0
16049 0
16051 0
16055 0.14
16057 0
16063 0
16065 0
16071 0
16079 0
16081 0
16083 0
16087 0
16999 2.87
17001 0
17019 2.42
17023 0
17031 0.32
17037 0
17043 0.46
17077 0
17089 0.13
17091 0
17097 0.6
17099 0
17111 0.07
17113 0
17119 0
17121 0
17131 0
17133 0
17139 0
17141 0
17143 0
17163 0.04
17167 0
17177 0
17195 0
17197 0.03
17199 0
17201 0.07
17203 0
17999 2.5
18003 0
18005 0
18011 0
18019 0
18021 0
18035 0
18037 0
18039 0.13
18043 0
18055 0
18057 1.96
18059 0
18063 0
18067 0
18073 0
18081 0
18089 0
18095 0.21
18097 0.69
18099 0
18105 0
18123 0
18127 0
18141 0
18151 0
18157 0.04
18163 0
18999 0.82
19013 0
19015 0
19027 0
19031 0
19033 0
19041 0
19049 0
19055 0
19057 0
19061 0.31
19067 0
19073 0
19097 0
19101 0
19103 0.51
19113 0.59
19127 0
19137 0
19139 0
19149 0
19153 0.14
19155 0
19163 0.03
19169 0
19179 0
19183 0
19191 0
19193 0
20037 0
20045 0
20061 0
20085 0
20091 1.6
20103 0
20125 0
20155 0
20173 0.14
20177 0
20191 0
20209 0
20999 0.33
21015 0
21017 0
21023 0
21035 0
21037 0
21059 0
21067 0.16
21089 0
21111 0.03
21113 0
21117 0.21
21145 0
21209 0
21227 0.03
21239 0
21999 1.01
22001 0
22005 0
22015 0
22017 0
22019 0
22033 0.3
22051 0.03
22055 0.05
22061 0
22063 0
22071 0.16
22073 0.03
22079 0.13
22089 0
22103 0.33
22999 0.16
23001 0
23003 0.2
23005 0.07
23009 0.11
23011 0
23013 0
23015 0
23017 0.08
23019 0
23023 0
23031 0.11
23999 0
24003 0.15
24005 0.21
24009 0
24013 0
24017 0
24019 0
24021 0.41
24023 0
24025 0.04
24027 1.29
24031 1.7
24033 0.77
24037 0
24043 0
24045 0
24510 0.1
24999 2.01
25001 0.28
25003 0.11
25005 0
25007 0
25009 0.78
25011 0
25013 0.33
25015 0.49
25017 9.72
25021 3.89
25023 0.33
25025 1.77
25027 0.92
25999 2.1
26005 0
26021 0
26023 0
26045 0
26047 0
26049 0.05
26055 0.86
26063 0
26065 1.69
26067 0
26071 0
26073 0
26077 0.5
26081 0.22
26091 0
26093 0.18
26099 0.54
26103 0
26111 0
26115 0
26121 0
26125 1.35
26129 0
26139 0.03
26145 0
26147 0
26157 0
26159 0
26161 3.42
26163 0.14
26165 0
26999 1.82
27003 0.07
27013 0
27019 0
27037 0.47
27049 0
27053 1.87
27067 0
27083 0
27085 0
27097 0
27103 0
27109 0
27123 1.79
27131 0
27137 0
27139 0
27141 0
27145 0
27157 0
27163 0.11
27169 0
27171 0
27999 2.1
28033 0
28047 0
28075 0
28087 0
28089 0
28149 0
28999 0.14
29009 0
29019 0.16
29021 0
29031 0
29037 0
29043 0
29047 0
29051 0
29071 0
29077 0
29091 0
29095 0.24
29097 0
29099 0
29101 0
29145 0
29159 0
29165 0.19
29167 0
29177 0
29183 0
29189 0.67
29213 0
29223 0
29510 0.1
29999 0.76
30009 0
30013 0
30029 0.04
30031 0.09
30043 0
30049 0.04
30053 0
30063 0.22
30065 0
30067 0
30089 0
30095 0
30111 0.12
30999 0.26
31027 0
31055 0.26
31067 0
31109 1.55
31141 0
31999 0.27
32003 0.32
32005 0
32031 0.25
32510 0
32999 0
33001 0
33003 1.81
33005 0.05
33009 1.92
33011 3.8
33013 0.31
33015 2.92
33017 0
33999 1.67
34001 0
34003 0.67
34005 0.61
34007 0.05
34013 0.13
34015 0.01
34017 0.51
34019 0
34021 1.27
34023 0.51
34025 0
34027 0.78
34029 0
34031 0.25
34033 0
34035 1.33
34037 0
34039 0.51
34041 0
34999 1.76
35001 0.15
35013 0
35015 0
35043 0
35049 0.34
35055 0
35999 0.66
36001 0.57
36005 0
36007 0.27
36011 0
36013 0
36015 0
36019 0
36023 0
36027 0
36029 0.37
36045 0
36047 0.08
36055 0.25
36059 0
36061 0.55
36063 0
36065 0
36067 0.15
36071 0
36073 0
36079 0
36081 0.03
36083 1.51
36085 0
36087 0.15
36089 0
36091 0.69
36093 0.35
36103 0.18
36105 0
36107 0
36109 0.84
36111 0
36113 0
36119 0.3
36999 1.73
37001 0.02
37011 0
37013 0
37019 0
37021 0.13
37025 0.13
37027 0
37031 0
37035 0
37037 0
37049 0
37051 0
37055 0
37059 0
37063 2.67
37067 0.65
37069 0
37071 0
37081 0.07
37087 0
37089 0
37097 0
37101 0
37109 0
37111 0
37115 0
37119 1.31
37121 0
37125 0
37129 0.72
37133 0
37135 0.7
37141 0
37147 0
37151 0
37153 0
37159 0
37167 0
37169 0
37171 0
37179 0.08
37181 0
37183 6.51
37189 0
37191 0
37193 0
37199 0
37999 2.51
38003 0
38015 0
38017 4.52
38035 0
38055 0
38089 0
38101 0
38999 0
39001 0
39005 0
39013 0
39017 0.09
39023 0
39025 0
39027 0
39029 0
39035 0.47
39041 0.87
39045 0
39049 0.39
39055 0.22
39057 0.11
39061 0.61
39063 0.09
39067 0
39081 0
39083 0
39085 0
39089 0.08
39093 0.05
39095 0.14
39097 0
39099 0.11
39103 0.33
39113 2.58
39123 0
39133 0
39139 0
39151 0.04
39153 0.19
39155 0
39157 0
39159 0
39165 0
39173 0
39175 0
39999 2.03
40005 0
40017 0
40021 0
40023 0
40027 0
40031 0
40071 0
40109 0.2
40119 0.09
40135 0
40143 0.23
40147 0
40999 2.61
41003 2.1
41005 1.56
41009 0
41011 0
41015 0
41017 2
41019 0
41027 0
41029 1.16
41033 0
41035 0
41037 0
41039 6
41043 0
41047 0.46
41051 3.03
41053 0.24
41059 0
41065 0
41067 4.99
41071 0.12
41999 4.38
42003 0.69
42011 0
42013 0
42017 0.2
42019 0
42021 0
42027 2.61
42029 1.7
42035 0
42041 0
42043 0
42045 0.24
42047 0
42049 0
42069 0.09
42071 0.3
42077 0.15
42079 0
42085 0
42089 0.05
42091 0.75
42095 0.21
42101 0.06
42107 0
42125 0
42129 0
42133 0
42999 0.51
44001 0
44003 0.29
44005 1.06
44007 0.68
44009 1.76
44999 0
45003 0
45007 0
45009 0
45013 0.1
45019 0.31
45025 0
45029 0
45031 0
45035 0
45041 0
45043 0
45045 1.3
45051 0.06
45055 0
45057 0
45059 0
45063 0.04
45073 0
45077 0
45079 0
45083 0.04
45091 1.61
45999 3.47
46013 0
46029 0
46035 0
46047 0
46083 0
46093 0
46099 0.22
46103 0.04
46127 0
46999 0
47001 0
47007 0
47009 0
47025 0
47035 0
47037 0.33
47043 0
47045 0
47047 0
47053 0
47055 0
47065 0.07
47089 0
47093 0.14
47099 0
47107 0
47113 0
47115 0
47119 0
47125 0.11
47141 0
47145 0
47147 0
47149 0.27
47153 0
47155 0
47157 0.25
47159 0
47163 0.07
47165 0
47179 0
47187 3.92
47189 0.24
47999 1.82
48003 0
48015 0
48021 0
48027 0
48029 0.3
48039 0
48039 0
48041 0
48057 0
48075 0
48085 2.83
48091 0.13
48097 0
48099 0
48113 1.58
48121 0.2
48131 0
48139 0
48141 0.01
48157 0.6
48167 0.22
48171 0
48181 0
48183 0
48201 0.35
48209 0
48215 0.02
48223 0
48227 0
48251 0
48259 0
48265 0
48299 0
48303 0
48309 0
48325 0
48329 0
48331 0
48339 0.41
48347 0
48361 0
48367 0
48375 0
48397 0
48415 0
48423 0
48439 0.3
48453 3.41
48459 0
48471 0
48491 1.03
48493 0
48999 1.05
49005 0.91
49011 1.29
49021 0
49025 0
49027 0
49035 2.46
49043 0.21
49045 0
49047 0
49049 8.37
49051 0
49053 0.31
49057 0
50003 0
50007 2.42
50019 0
50021 0
50023 0
50025 0.35
50027 0
50999 0
51003 0.49
51013 1.38
51015 0
51029 0
51033 0
51036 0
51041 0.22
51047 0
51059 2.03
51061 0.31
51065 0
51067 0
51069 0
51075 0
51085 0
51087 0.11
51095 0
51099 0
51101 0
51107 0.31
51121 0
51125 0
51127 0
51133 0
51145 0
51153 0
51157 0
51161 0
51165 0
51171 0
51177 0.08
51179 0
51191 0
51510 0.19
51520 0
51540 1.01
51550 0
51570 0
51600 0
51610 0
51630 0
51660 0
51680 0
51683 0
51700 0
51710 0
51740 0
51760 0.07
51800 0
51810 0.19
51999 0.55
53003 0
53005 0.1
53007 0
53009 0
53011 0.8
53021 0
53029 0
53031 1.73
53033 19.28
53035 0.25
53037 0
53039 0
53041 0
53045 0
53053 0.1
53057 0
53061 0.39
53063 0.61
53065 0
53067 0.38
53069 0
53071 0
53073 2.74
53075 0
53077 0.06
53999 0
54003 0
54039 0
54053 0
54061 0
54077 0
54999 0.2
55009 0.35
55021 0
55025 11.49
55029 0
55035 0
55047 0
55049 0
55055 0.15
55063 0
55071 0
55073 0.11
55075 0
55079 0.64
55081 0
55087 0
55089 0
55093 0
55097 0
55101 0
55105 0
55109 0
55121 0
55123 0
55127 0.1
55131 0
55133 0.54
55139 0.07
55141 0
55999 1.47
56011 0
56021 0
56037 0
56039 0
56043 0
72061 0
72069 0
72119 0
72127 0
72999 0
Raw
index.html
<html>
<head>
<title>Zoomable US States</title>
<style>
.background {
fill: none;
pointer-events: all;
}
.state-land {
fill: #b6a3d5;
stroke-width: 1.5px;
stroke: white;
}
.county-land {
stroke: white;
stroke-width: .3px;
}
</style>
</head>
<body>
<script src="http://d3js.org/d3.v3.js" charset="utf-8"></script>
<script src="http://d3js.org/topojson.v1.js"></script>
<script>
var width = 960,
height = 500,
active = d3.select(null);
var color = d3.scale.sqrt()
.range(['#a290be',' #6f9570'])
.interpolate(d3.interpolateLab);
var projection = d3.geo.albersUsa()
.scale(1080)
.translate([width/2, height/2]);
var path = d3.geo.path()
.projection(projection);
var svg = d3.select('body').append('svg')
.attr('width', width)
.attr('height', height);
svg.append('rect')
.attr('class', 'background')
.attr('width', width)
.attr('height', height)
.on('click', reset);
var map = svg.append('g')
.style('stroke-width', '1.5px');
d3.csv('countyData.csv', function(error, countyData) {
if (error) throw error;
d3.json('us.json', function(error, topology) {
if (error) throw error;
countyData = countyData.map(function(d) {
return {
id: +d.area_fips,
lq: +d.emp_lq
};
});
color.domain(d3.extent(countyData, function(d) { return d.lq; }));
map.selectAll('.state-land')
.data(topojson.feature(topology, topology.objects.states).features)
.enter().append('path')
.attr('d', path)
.attr('class', 'state-land')
.on('click', function(state) {
clickState.call(this, state, topology, countyData);
});
});
});
function clickState(state, topology, countyData) {
if (active.node() == this) return reset();
active.classed('active', false);
active = d3.select(this).classed('active', true);
var bounds = path.bounds(state),
dx = bounds[1][0] - bounds[0][0],
dy = bounds[1][1] - bounds[0][1],
x = (bounds[0][0] + bounds[1][0])/2,
y = (bounds[0][1] + bounds[1][1])/2,
scale = .9 / Math.max(dx / width, dy / height),
translate = [width / 2 - scale * x, height / 2 - scale * y];
map.transition().duration(750)
.style('stroke-width', 1.5 / scale + 'px')
.attr('transform', 'translate(' + translate +')scale(' + scale + ')');
var counties = map.selectAll('.county-land')
.call(drawCounties, topology, state.id, countyData);
}
function drawCounties(selection, topology, stateFips, countyData) {
// Copy the GeometryCollection object (don't want to pass reference)
var countiesGeo = Object.create(topology.objects.counties);
// Filter down to the counties within active state
countiesGeo.geometries = topology.objects.counties.geometries
.filter(function(county) {
return fipsMatch(county.id, stateFips);
});
var counties = selection
.data(topojson.feature(topology, countiesGeo).features)
counties.enter().append('path')
.attr('class', 'county-land')
.on('click', reset);
counties
.attr('opacity', 0)
.attr('d', path)
.style('fill', function(d) {
var lq = countyData
.filter(function(county) { return county.id === d.id; })
.map(function(county) { return county.lq; });
return color(lq);
})
.transition().duration(750)
.attr('opacity', 1);
counties.exit()
.transition().duration(750)
.attr('opacity', 0)
.remove();
}
function reset() {
active.classed('active', false);
active = d3.select(null);
map
.transition().duration(750)
.style("stroke-width", "1.5px")
.attr("transform", "");
map.selectAll('.county-land')
.transition().duration(750)
.attr('opacity', 0)
.remove();
}
function fipsMatch(countyFips, stateFips) {
countyFips = String(countyFips);
stateFips = String(stateFips);
return countyFips.length === 5 ?
countyFips.slice(0,2) === stateFips :
countyFips.slice(0,1) === stateFips;
}
</script>
</body>
</html>
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us.json
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