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var m = mapbox.map('map');
var tlv_admin_boundary = {type:"FeatureCollection",features:[{type:"Feature",id:"01",properties:{name:"Tel Aviv"},geometry:{type:"Polygon",coordinates:[[[34.7691274,32.0873062],[34.7685414,32.0871889],[34.7681123,32.0854982],[34.768123,32.0847437],[34.7678159,32.084128],[34.7675359,32.0837434],[34.7670797,32.0835479],[34.7669448,32.0835704],[34.7671594,32.0832661],[34.767213,32.0826748],[34.7671333,32.0822846],[34.7667672,32.0818569],[34.7665695,32.0817837],[34.7665929,32.0814092],[34.7665113,32.0808544],[34.7663493,32.080234],[34.7658837,32.0794938],[34.765796,32.0788772],[34.7657912,32.0784261],[34.7655782,32.0778852],[34.7648526,32.0774816],[34.7648163,32.0773912],[34.7649936,32.0773282],[34.7650583,32.0772055],[34.7651291,32.0768285],[34.7651235,32.0762923],[34.764914,32.0758935],[34.764451,32.0753146],[34.7640487,32.0751144],[34.7639752,32.0747239],[34.7640286,32.0741105],[34.7636214,32.0733509],[34.7632743,32.07312],[34.763484,32.0727612],[34.7632298,32.0718331],[34.7628688,32.0709014],[34.7629399,32.0698739],[34.7625963,32.0692549],[34.7617968,32.0685764],[34.761402,32.0683073],[34.7604871,32.0651778],[34.7603777,32.0646025],[34.7600222,32.064254],[34.7594504,32.0630525],[34.7598258,32.0621021],[34.757297,32.0580541],[34.7562131,32.0568718],[34.7544213,32.0556597],[34.7538661,32.0557984],[34.7531767,32.0557793],[34.751621,32.0553136],[34.7511368,32.0550721],[34.7509071,32.0548181],[34.7508221,32.0547942],[34.7506955,32.0546828],[34.7507456,32.0545587],[34.7503407,32.0541159],[34.7497244,32.0533758],[34.7496761,32.0533178],[34.749557,32.0518844],[34.7495511,32.0518129],[34.7494379,32.051653],[34.7491322,32.0516523],[34.7490613,32.0516467],[34.7485313,32.0516467],[34.7485237,32.0514802],[34.7484793,32.0514857],[34.7484761,32.0513051],[34.7484458,32.051305],[34.7484455,32.0516467],[34.7483653,32.0516466],[34.7483771,32.0520315],[34.748412,32.0522532],[34.7497023,32.0546049],[34.7501943,32.0557163],[34.7500663,32.0557927],[34.7483522,32.052827],[34.7480856,32.0519416],[34.7481231,32.0514798],[34.7482191,32.0513821],[34.7483004,32.0505402],[34.7469091,32.0483528],[34.7456206,32.0480247],[34.7448929,32.0469296],[34.7450804,32.0463166],[34.7440451,32.0448357],[34.7451657,32.0441691],[34.7449446,32.0424821],[34.7441721,32.0422638],[34.7443409,32.0417153],[34.7443008,32.0413543],[34.7434716,32.0411052],[34.7437103,32.0409783],[34.7439887,32.0411207],[34.7450933,32.0407601],[34.7449543,32.0401735],[34.7446067,32.0393586],[34.7449619,32.039073],[34.7451088,32.0385369],[34.7450729,32.0379234],[34.7446454,32.0374069],[34.7442747,32.0371208],[34.7436352,32.0374132],[34.7436556,32.0370981],[34.7434738,32.0369748],[34.7438471,32.0368939],[34.744139,32.0368589],[34.7442849,32.0364569],[34.7439887,32.0358407],[34.743256,32.0349739],[34.7427748,32.0343755],[34.7426664,32.0337798],[34.7422646,32.0330517],[34.7440453,32.0326232],[34.744319,32.032675],[34.7449828,32.0323722],[34.7459339,32.031852],[34.74658,32.0314454],[34.7472446,32.031086],[34.7478521,32.0307362],[34.7487902,32.0301892],[34.7496696,32.0296867],[34.7501219,32.0294328],[34.7509159,32.0304457],[34.75115,32.0304185],[34.7521932,32.0303448],[34.7529774,32.0302322],[34.7531123,32.0312629],[34.7546943,32.0310543],[34.755131,32.0337912],[34.7554489,32.0337494],[34.7574166,32.0334903],[34.7587899,32.033335],[34.7593238,32.0333571],[34.7597022,32.0333739],[34.7596254,32.0344254],[34.7597985,32.0355715],[34.7600472,32.0363361],[34.7617911,32.0363835],[34.7633171,32.0364024],[34.7656771,32.0360138],[34.7695535,32.0349523],[34.7701696,32.0347628],[34.7751929,32.0328861],[34.7773339,32.0362413],[34.7781026,32.0365446],[34.7787471,32.0375872],[34.781543,32.0401462],[34.7861682,32.04643],[34.7890211,32.0462784],[34.7897414,32.04407],[34.7906134,32.0420607],[34.7914664,32.0415774],[34.7920161,32.0416627],[34.7940444,32.0407623],[34.7959494,32.0400609],[34.7970894,32.039657],[34.7985646,32.0390638],[34.7994218,32.038629],[34.7999187,32.0380886],[34.8005057,32.0374737],[34.8033536,32.0358152],[34.8069158,32.0343183],[34.8090215,32.033663],[34.8097979,32.0337934],[34.8105278,32.0343494],[34.813661,32.0437227],[34.813643,32.0446821],[34.8141886,32.0486044],[34.8141275,32.0500585],[34.8134891,32.0516275],[34.8128824,32.052598],[34.8109591,32.0547564],[34.8126127,32.0585062],[34.8105509,32.0589207],[34.8108603,32.0596372],[34.809618,32.0598973],[34.8078167,32.0605534],[34.8057941,32.0619276],[34.8054292,32.062378],[34.8050293,32.0628477],[34.8041131,32.0648509],[34.8039112,32.0660116],[34.8030672,32.0659971],[34.8029195,32.0675161],[34.8027705,32.069288],[34.8027664,32.0697317],[34.8027813,32.070537],[34.8025006,32.0707235],[34.8022589,32.0709366],[34.801854,32.0715542],[34.8009199,32.0729372],[34.8012069,32.0738118],[34.8012964,32.073937],[34.801434,32.07469],[34.8019354,32.0757911],[34.8021768,32.0762939],[34.8022621,32.0766116],[34.802224,32.0772039],[34.8020052,32.0777052],[34.79883,32.0794043],[34.7976128,32.0802584],[34.7982501,32.0809297],[34.7983712,32.0809347],[34.7988359,32.0809538],[34.7997403,32.081347],[34.7995572,32.0820683],[34.798867,32.0847586],[34.7997709,32.0868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,[34.7711658,32.0944324],[34.7703175,32.0941915],[34.7695005,32.094264],[34.7693116,32.0936791],[34.7698178,32.0934664],[34.7702622,32.0932072],[34.7705192,32.0928168],[34.7706846,32.0923993],[34.7706039,32.0918788],[34.770149,32.0911439],[34.7700729,32.091112],[34.7693036,32.0907896],[34.7680931,32.0906885],[34.7680271,32.0904197],[34.7687717,32.0903411],[34.7690512,32.0902154],[34.769306,32.0900024],[34.7695085,32.0896932],[34.7695828,32.0890342],[34.7696209,32.0881607]]]}}]};
function stationVoronoi() {
var v = {}, stationData, stations, stationCoords, voronoi, city,
stationAnimation;
var svg = d3.select(document.body).append("svg").attr("id", "d3svg");
// var cityGroup = svg.append("g").attr("id", "cityGroup");
var voronoiGroup = svg.append("g").attr("id", "voronoiGroup");
var stationsGroup = svg.append("g").attr("id", "stationsGroup");
var fadeInTime = 500;
var color = function(station) {
var bikes = station.poles - station.available;
if (bikes === 0) {
return 0;
} else if (bikes <=5) {
return 1;
} else if (station.available <= 5) {
return 3;
} else if (station.available === 0) {
return 4;
} else {
return 2; // middle state is normal.
}
};
var stationDotSize = d3.scale.quantize()
.domain([minZoom, maxZoom])
.range([2, 3, 4]);
v.parent = svg.node();
// Project a lat/lon location onto the displayed map (point)
v.project = function(location) {
var point = v.map.locationPoint({lat: location[1], lon: location[0]});
return [point.x, point.y];
};
// redraw the layer
// called every time something changes
v.draw = function() {
console.log("Draw called!");
// position the overlay
svg.attr("width", $("#map").width())
.attr("height", $("#map").height());
var delays = [];
/*
// render the city outline
// =============================================================
city = cityGroup.selectAll("path")
.data(tlv_admin_boundary.features);
city.enter().append("path")
.attr("opacity", 0)
.transition().duration(300)
.attr("opacity", 1);
city.attr("d", d3.geo.path().projection(v.project));
*/
// render the station voronoi
// =============================================================
// generate the clipped paths
// projectedPolygons = d3.geom.voronoi(_.map(stationCoords, v.project));
// projectedTelaviv = d3.geom.polygon(_.map(tlv_admin_boundary.features[0].geometry.coordinates[0], v.project));
// clippedPolygons = projectedPolygons.map(function(polygon) {
// return d3.geom.polygon(polygon).clip(d3.geom.polygon(projectedTelaviv.slice(0)));
// console.log("Clipped: " + clipped);
// return clipped;
// });
projectedPolygons = d3.geom.voronoi(stationCoords);
projectedTelaviv = d3.geom.polygon(tlv_admin_boundary.features[0].geometry.coordinates[0]);
clippedPolygons = projectedPolygons.map(function(polygon) {
clipped = d3.geom.polygon(polygon).clip(d3.geom.polygon(projectedTelaviv.slice(0)));
// console.log("Clipped: " + clipped);
return clipped;
});
voronoi = voronoiGroup.selectAll("path")
.data(clippedPolygons);
// fade in when added
voronoi.enter().append("path")
.attr('id', function(d, i) { return 'station' + stationData[i].id; })
.attr("class", function(d, i) {
return "station_cell q" + color(stationData[i]) + "-5";
})
.attr("opacity", 0)
.transition().delay(function(d, i) {
wait = stationAnimation(stationData[i].latitude);
// wait = stationAnimation(Math.random());
delays[i] = wait;
return 600 + (fadeInTime-wait);
}).duration(200)
.attr("opacity", 0.5);
// position them
voronoi
.attr("d", function(d, i) {
projected = _.map(d, v.project);
return "M" + projected.join("L") + "Z";
});
// render the station dots
// =============================================================
stations = stationsGroup.selectAll("circle")
.data(stationCoords);
// Grow in when added
stations.enter().append("circle")
.attr("opacity", 0.0)
.attr("r", 0)
.transition().delay(150).duration(450)
.attr("opacity", 0.15)
.attr("r", 8 * stationDotSize(v.map.zoom()))
.transition().delay(function(d, i) {
return 600 + (fadeInTime - delays[i]);
}).duration(200)
.attr("r", stationDotSize(v.map.zoom()))
.attr("opacity", 1);
// Postion them
stations
// .attr("r", stationDotSize(v.map.zoom()))
.attr("transform", function(d) { return "translate(" + v.project(d) + ")"; });
};
// supply the data
// called once on load
v.data = function(data) {
console.log("data called!");
stationData = data;
stationCoords = _.map(stationData, function(s) {
return [s.longitude, s.latitude];
});
stationAnimation = d3.scale.linear()
.domain(d3.extent(stationCoords, function(coord) { return coord[1]; }))
// .domain([0,1])
.range([0, fadeInTime]);
return v;
};
return v;
}
var telostats_tiles = {
"tilejson": "2.0.0",
"tiles": [TILESERVER_URL]
};
var minZoom = 13;
var maxZoom = 17;
m.addLayer(mapbox.layer().tilejson(telostats_tiles));
m.ui.zoomer.add();
var mapbounds = new MM.Extent(
32.0182,34.7257,
32.1572,34.8665);
m.setExtent(mapbounds);
m.setPanLimits(mapbounds);
m.setZoomRange(minZoom, maxZoom);
d3.json('ballots.json', function(ballots) {
ballots = _.map(ballots, function(ballot, key) {
var loc = ballot.results[0].geometry.location;
return {
'id': 'foo',
'latitude': loc.lat,
'longitude': loc.lng
}
});
console.log(ballots);
var stationMap = stationVoronoi().data(ballots);
m.addLayer(stationMap);
// console.log("added d3 layer!");
$('#map').on('click', function(event) {
var p = m.pointLocation({x:event.pageX, y:event.pageY});
console.log([p.lon, p.lat]);
});
});
|
