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Events page auto-centers based on top 10 events #389

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Events page auto-centers based on top 10 events #389

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36 changes: 15 additions & 21 deletions layouts/events.hbs
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,6 @@
</div>

<div class="main-content">{{{contents}}}</div>

{{#each regions}}
<div class="region">
<h1>{{region}}</h1>
Expand Down Expand Up @@ -102,6 +101,7 @@
<script src='https://api.mapbox.com/mapbox.js/v2.2.3/mapbox.js'></script>
<link href='https://api.mapbox.com/mapbox.js/v2.2.3/mapbox.css' rel='stylesheet' />
<script>
(function() {
function haversine() {
var radians = Array.prototype.map.call(arguments, function(deg) { return deg/180.0 * Math.PI; });
var lat1 = radians[0], lon1 = radians[1], lat2 = radians[2], lon2 = radians[3];
Expand Down Expand Up @@ -149,26 +149,19 @@
;

var points = featureLayer.getGeoJSON().features.map(function (feature) {
var _lat = feature.geometry.coordinates[1]
, _lon = feature.geometry.coordinates[0]
;
return [feature.geometry.coordinates[0], feature.geometry.coordinates[1], haversine(lat, lon, _lat, _lon)]
})
.sort(function (a, b) {
return a[2] > b[2]
})

function _bounds () {
for (var i=0;i<points.length;i++) {
var hav = points[i][2]
if (i > 10 && hav > .1) {
return [points[i][1], points[i][0]]
}
}
}

map.fitBounds([[lat, lon], _bounds()])
map.setView([lat, lon], map.getZoom()-1)
var _lat = feature.geometry.coordinates[1]
, _lon = feature.geometry.coordinates[0]
, dist = haversine(lat, lon, _lat, _lon)
;
return {lon: _lon, lat: _lat, dist: dist}
})
.sort(function (a, b) {
return a.dist > b.dist ? 1 :
a.dist < b.dist ? -1 : 0;
})
var nearest = (points.length > 10 ? points.slice(0, 9) : points.slice(0, points.length-1));
nearest.push({lat: lat, lon: lon});
map.fitBounds(nearest)
})
}
})
Expand Down Expand Up @@ -203,6 +196,7 @@
regionSubHeading.classList.toggle('is-displayed')
regionEventsList.classList.toggle('is-displayed')
}
})();
</script>
</body>
</html>