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Diffstat (limited to 'chimere/static/leaflet-markercluster')
7 files changed, 266 insertions, 0 deletions
diff --git a/chimere/static/leaflet-markercluster/CHANGELOG.md b/chimere/static/leaflet-markercluster/CHANGELOG.md new file mode 100644 index 0000000..8113107 --- /dev/null +++ b/chimere/static/leaflet-markercluster/CHANGELOG.md @@ -0,0 +1,49 @@ +Leaflet.markercluster +===================== + +(all changes without author notice are by [@danzel](https://github.com/danzel)) + +## Master + +### Improvements + + * Work better with custom projections (by [@andersarstrand](https://github.com/andersarstrand)) [#74](https://github.com/danzel/Leaflet.markercluster/issues/74) + * Add custom getBounds that works (Reported by [@2803media](https://github.com/2803media)) + * Allow spacing spiderfied icons further apart (Reported by [@stevevance](https://github.com/stevevance)) [#100](https://github.com/danzel/Leaflet.markercluster/issues/100) + * Add custom eachLayer that works (Reported by [@cilogi](https://github.com/cilogi)) [#102](https://github.com/danzel/Leaflet.markercluster/issues/102) + +### Bugfixes + + * Fix singleMarkerMode when you aren't on the map (by [@duncanparkes](https://github.com/duncanparkes)) [#77](https://github.com/danzel/Leaflet.markercluster/issues/77) + * Fix clearLayers when you aren't on the map (by [@duncanparkes](https://github.com/duncanparkes)) [#79](https://github.com/danzel/Leaflet.markercluster/issues/79) + * IE10 Bug fix (Reported by [@theLundquist](https://github.com/theLundquist)) [#86](https://github.com/danzel/Leaflet.markercluster/issues/86) + * Fixes for hasLayer after removing a layer (Reported by [@cvisto](https://github.com/cvisto)) [#44](https://github.com/danzel/Leaflet.markercluster/issues/44) + * Fix clearLayers not unsetting __parent of the markers, preventing them from being re-added. (Reported by [@apuntovanini](https://github.com/apuntovanini)) [#99](https://github.com/danzel/Leaflet.markercluster/issues/99) + * Fix map.removeLayer(markerClusterGroup) not working (Reported by [@Driklyn](https://github.com/Driklyn)) [#108](https://github.com/danzel/Leaflet.markercluster/issues/108) + * Fix map.addLayers not updating cluster icons (Reported by [@Driklyn](https://github.com/Driklyn)) [#114](https://github.com/danzel/Leaflet.markercluster/issues/114) + * Fix spiderfied clusters breaking if a marker is added to them (Reported by [@Driklyn](https://github.com/Driklyn)) [#114](https://github.com/danzel/Leaflet.markercluster/issues/114) + +## 0.2 (2012-10-11) + +### Improvements + + * Add addLayers/removeLayers bulk add and remove functions that perform better than the individual methods + * Allow customising the polygon generated for showing the area a cluster covers (by [@yohanboniface](https://github.com/yohanboniface)) [#68](https://github.com/danzel/Leaflet.markercluster/issues/68) + * Add zoomToShowLayer method to zoom down to a marker then call a callback once it is visible + * Add animateAddingMarkers to allow disabling animations caused when adding/removing markers + * Add hasLayer + * Pass the L.MarkerCluster to iconCreateFunction to give more flexibility deciding the icon + * Make addLayers support geojson layers + * Allow disabling clustering at a given zoom level + * Allow styling markers that are added like they were clusters of size 1 + + +### Bugfixes + + * Support when leaflet is configured to use canvas rather than SVG + * Fix some potential crashes in zoom handlers + * Tidy up when we are removed from the map + +## 0.1 (2012-08-16) + +Initial Release!
\ No newline at end of file diff --git a/chimere/static/leaflet-markercluster/MIT-LICENCE.txt b/chimere/static/leaflet-markercluster/MIT-LICENCE.txt new file mode 100644 index 0000000..19af068 --- /dev/null +++ b/chimere/static/leaflet-markercluster/MIT-LICENCE.txt @@ -0,0 +1,20 @@ +Copyright 2012 David Leaver + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/chimere/static/leaflet-markercluster/MarkerCluster.Default.css b/chimere/static/leaflet-markercluster/MarkerCluster.Default.css new file mode 100644 index 0000000..90558dd --- /dev/null +++ b/chimere/static/leaflet-markercluster/MarkerCluster.Default.css @@ -0,0 +1,38 @@ +.marker-cluster-small { + background-color: rgba(181, 226, 140, 0.6); + } +.marker-cluster-small div { + background-color: rgba(110, 204, 57, 0.6); + } + +.marker-cluster-medium { + background-color: rgba(241, 211, 87, 0.6); + } +.marker-cluster-medium div { + background-color: rgba(240, 194, 12, 0.6); + } + +.marker-cluster-large { + background-color: rgba(253, 156, 115, 0.6); + } +.marker-cluster-large div { + background-color: rgba(241, 128, 23, 0.6); + } + +.marker-cluster { + background-clip: padding-box; + border-radius: 20px; + } +.marker-cluster div { + width: 30px; + height: 30px; + margin-left: 5px; + margin-top: 5px; + + text-align: center; + border-radius: 15px; + font: 12px "Helvetica Neue", Arial, Helvetica, sans-serif; + } +.marker-cluster span { + line-height: 30px; + }
\ No newline at end of file diff --git a/chimere/static/leaflet-markercluster/MarkerCluster.Default.ie.css b/chimere/static/leaflet-markercluster/MarkerCluster.Default.ie.css new file mode 100644 index 0000000..1d0de51 --- /dev/null +++ b/chimere/static/leaflet-markercluster/MarkerCluster.Default.ie.css @@ -0,0 +1,22 @@ + /* IE 6-8 fallback colors */ +.marker-cluster-small { + background-color: rgb(181, 226, 140); + } +.marker-cluster-small div { + background-color: rgb(110, 204, 57); + } + +.marker-cluster-medium { + background-color: rgb(241, 211, 87); + } +.marker-cluster-medium div { + background-color: rgb(240, 194, 12); + } + +.marker-cluster-large { + background-color: rgb(253, 156, 115); + } +.marker-cluster-large div { + background-color: rgb(241, 128, 23); +} + diff --git a/chimere/static/leaflet-markercluster/MarkerCluster.css b/chimere/static/leaflet-markercluster/MarkerCluster.css new file mode 100644 index 0000000..dbfab7d --- /dev/null +++ b/chimere/static/leaflet-markercluster/MarkerCluster.css @@ -0,0 +1,6 @@ +.leaflet-cluster-anim .leaflet-marker-icon, .leaflet-cluster-anim .leaflet-marker-shadow { + -webkit-transition: -webkit-transform 0.2s ease-out, opacity 0.2s ease-in; + -moz-transition: -moz-transform 0.2s ease-out, opacity 0.2s ease-in; + -o-transition: -o-transform 0.2s ease-out, opacity 0.2s ease-in; + transition: transform 0.2s ease-out, opacity 0.2s ease-in; + } diff --git a/chimere/static/leaflet-markercluster/README.md b/chimere/static/leaflet-markercluster/README.md new file mode 100644 index 0000000..b2f44b6 --- /dev/null +++ b/chimere/static/leaflet-markercluster/README.md @@ -0,0 +1,125 @@ +Leaflet.markercluster +===================== + +Provides Beautiful Animated Marker Clustering functionality for [Leaflet](http://leafletjs.com), a JS library for interactive maps. + +*Requires Leaflet 0.4.2 or newer* + +## Using the plugin +See the included examples for usage. + +The [realworld example](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-realworld.388.html) is a good place to start, it uses all of the defaults of the clusterer. +Or check out the [custom example](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-custom.html) for how to customise the behaviour and appearance of the clusterer + +### Usage +Create a new MarkerClusterGroup, add your markers to it, then add it to the map + +```javascript +var markers = new L.MarkerClusterGroup(); +markers.addLayer(new L.Marker(getRandomLatLng(map))); +... Add more layers ... +map.addLayer(markers); +``` + +### Defaults +By default the Clusterer enables some nice defaults for you: +showCoverageOnHover: When you mouse over a cluster it shows the bounds of its markers. +zoomToBoundsOnClick: When you click a cluster we zoom to its bounds. +spiderfyOnMaxZoom: When you click a cluster at the bottom zoom level we spiderfy it so you can see all of its markers. +removeOutsideVisibleBounds: Clusters and markers too far from the viewport are removed from the map for performance. + +You can disable any of these as you want in the options when you create the MarkerClusterGroup: +```javascript +var markers = new L.MarkerClusterGroup({ spiderfyOnMaxZoom: false, showCoverageOnHover: false, zoomToBoundsOnClick: false }); +``` + +### Customising the Clustered Markers +As an option to MarkerClusterGroup you can provide your own function for creating the Icon for the clustered markers. +The default implementation changes color at bounds of 10 and 100, but more advanced uses may require customising this. +You do not need to include the .Default css if you go this way. +You are passed a MarkerCluster object, you'll probably want to use getChildCount() or getAllChildMarkers() to work out the icon to show + +```javascript +var markers = new L.MarkerClusterGroup({ + iconCreateFunction: function(cluster) { + return new L.DivIcon({ html: '<b>' + cluster.getChildCount() + '</b>' }); + } +}); +``` +Check out the [custom example](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-custom.html) for an example of this. + +### All Options +Enabled by default (boolean options): +* **zoomToBoundsOnClick**: When you click a cluster we zoom to its bounds. +* **showCoverageOnHover**: When you mouse over a cluster it shows the bounds of its markers. +* **spiderfyOnMaxZoom**: When you click a cluster at the bottom zoom level we spiderfy it so you can see all of its markers. + +Other options +* **animateAddingMarkers**: If set to true then adding individual markers to the MarkerClusterGroup after it has been added to the map will add the marker and animate it in to the cluster. Defaults to false as this gives better performance when bulk adding markers. +* **disableClusteringAtZoom**: If set, at this zoom level and below markers will not be clustered. This defaults to disabled. [See Example](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-realworld-maxzoom.388.html) +* **maxClusterRadius**: The maximum radius that a cluster will cover from the central marker (in pixels). Default 80. Decreasing will make more smaller clusters. +* **polygonOptions**: Options to pass when creating the L.Polygon to show the bounds of a cluster +* **singleMarkerMode**: If set to true, overrides the icon for all added markers to make them appear as a 1 size cluster +* **spiderfyDistanceMultiplier**: Increase from 1 to increase the distance away from the center that spiderfied markers are placed. Use if you are using big marker icons. + +## Events +If you register for click, mouseover, etc events just related to Markers in the cluster. +To recieve events for clusters listen to 'cluster' + 'eventIWant', ex: 'clusterclick', 'clustermouseover'. + +Set your callback up as follows to handle both cases: + +```javascript +markers.on('click', function (a) { + console.log('marker ' + a.layer); +}); + +markers.on('clusterclick', function (a) { + console.log('cluster ' + a.layer.getAllChildMarkers().length); +}); +``` + +## Methods + +### Getting the bounds of a cluster +When you recieve an event from a cluster you can query it for the bounds. +See [example/marker-clustering-convexhull.html](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-convexhull.html) for a working example. +```javascript +markers.on('clusterclick', function (a) { + map.addLayer(new L.Polygon(a.layer.getConvexHull())); +}); +``` + +### Zooming to the bounds of a cluster +When you recieve an event from a cluster you can zoom to its bounds in one easy step. +See [marker-clustering-zoomtobounds.html](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-zoomtobounds.html) for a working example. +```javascript +markers.on('clusterclick', function (a) { + a.layer.zoomToBounds(); +}); +``` + +### Adding and removing Markers +addLayer, removeLayer and clearLayers are supported and they should work for most uses. + +### Bulk adding and removing Markers +addLayers and removeLayers are bulk methods for adding and removing markers and should be favoured over the single versions when doing bulk addition/removal of markers. Each takes an array of markers + +If you are removing a lot of markers it will almost definitely be better to call clearLayers then call addLayers to add the markers you don't want to remove back in. See [#59](https://github.com/Leaflet/Leaflet.markercluster/issues/59#issuecomment-9320628) for details. + +### Other Methods +```` +hasLayer(layer): Returns true if the given layer (marker) is in the MarkerClusterGroup +zoomToShowLayer(layer, callback): Zooms to show the given marker (spidifying if required), calls the callback when the marker is visible on the map +addLayers(layerArray): Adds the markers in the given array from the MarkerClusterGroup in an efficent bulk method. +removeLayers(layerArray): Removes the markers in the given array from the MarkerClusterGroup in an efficent bulk method. +```` + +## Handling LOTS of markers +The Clusterer can handle 10000 or even 50000 markers (in chrome). IE9 has some issues with 50000. +[realworld 10000 example](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-realworld.10000.html) +[realworld 50000 example](http://leaflet.github.com/Leaflet.markercluster/example/marker-clustering-realworld.50000.html) +Performance optimizations could be done so these are handled more gracefully (Running the initial clustering over multiple JS calls rather than locking the browser for a long time) + +### License + +Leaflet.markercluster is free software, and may be redistributed under the MIT-LICENSE. diff --git a/chimere/static/leaflet-markercluster/leaflet.markercluster.js b/chimere/static/leaflet-markercluster/leaflet.markercluster.js new file mode 100644 index 0000000..74c25c3 --- /dev/null +++ b/chimere/static/leaflet-markercluster/leaflet.markercluster.js @@ -0,0 +1,6 @@ +/* + Copyright (c) 2012, Smartrak, David Leaver + Leaflet.markercluster is an open-source JavaScript library for Marker Clustering on leaflet powered maps. + https://github.com/danzel/Leaflet.markercluster +*/ +(function(e,t){L.MarkerClusterGroup=L.FeatureGroup.extend({options:{maxClusterRadius:80,iconCreateFunction:null,spiderfyOnMaxZoom:!0,showCoverageOnHover:!0,zoomToBoundsOnClick:!0,singleMarkerMode:!1,disableClusteringAtZoom:null,removeOutsideVisibleBounds:!0,animateAddingMarkers:!1,spiderfyDistanceMultiplier:1,polygonOptions:{}},initialize:function(e){L.Util.setOptions(this,e),this.options.iconCreateFunction||(this.options.iconCreateFunction=this._defaultIconCreateFunction),L.FeatureGroup.prototype.initialize.call(this,[]),this._inZoomAnimation=0,this._needsClustering=[],this._currentShownBounds=null},addLayer:function(e){if(e instanceof L.LayerGroup){var t=[];for(var n in e._layers)e._layers.hasOwnProperty(n)&&t.push(e._layers[n]);return this.addLayers(t)}if(!this._map)return this._needsClustering.push(e),this;if(this.hasLayer(e))return this;this._unspiderfy&&this._unspiderfy(),this._addLayer(e,this._maxZoom);var r=e,i=this._map.getZoom();if(e.__parent)while(r.__parent._zoom>=i)r=r.__parent;return this._currentShownBounds.contains(r.getLatLng())&&(this.options.animateAddingMarkers?this._animationAddLayer(e,r):this._animationAddLayerNonAnimated(e,r)),this},removeLayer:function(e){return this._map?e.__parent?(this._unspiderfy&&(this._unspiderfy(),this._unspiderfyLayer(e)),this._removeLayer(e,!0),e._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,e),e.setOpacity(1)),this):this:(this._arraySplice(this._needsClustering,e),this)},addLayers:function(e){var t,n,r;if(!this._map)return this._needsClustering=this._needsClustering.concat(e),this;for(t=0,n=e.length;t<n;t++){r=e[t];if(this.hasLayer(r))continue;this._addLayer(r,this._maxZoom);if(r.__parent&&r.__parent.getChildCount()===2){var i=r.__parent.getAllChildMarkers(),s=i[0]===r?i[1]:i[0];L.FeatureGroup.prototype.removeLayer.call(this,s)}}for(t in this._layers)this._layers.hasOwnProperty(t)&&(r=this._layers[t],r instanceof L.MarkerCluster&&r._iconNeedsUpdate&&r._updateIcon());return this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds),this},removeLayers:function(e){var t,n,r;if(!this._map){for(t=0,n=e.length;t<n;t++)this._arraySplice(this._needsClustering,e[t]);return this}for(t=0,n=e.length;t<n;t++){r=e[t];if(!r.__parent)continue;this._removeLayer(r,!0,!0),r._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,r),r.setOpacity(1))}this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds);for(t in this._layers)this._layers.hasOwnProperty(t)&&(r=this._layers[t],r instanceof L.MarkerCluster&&r._updateIcon());return this},clearLayers:function(){this._map||(this._needsClustering=[],delete this._gridClusters,delete this._gridUnclustered),this._unspiderfy&&this._unspiderfy();for(var e in this._layers)this._layers.hasOwnProperty(e)&&L.FeatureGroup.prototype.removeLayer.call(this,this._layers[e]);return this.eachLayer(function(e){delete e.__parent}),this._map&&this._generateInitialClusters(),this},getBounds:function(){var e=new L.LatLngBounds;if(this._topClusterLevel)e.extend(this._topClusterLevel._bounds);else for(var t=this._needsClustering.length-1;t>=0;t--)e.extend(this._needsClustering[t].getLatLng());return e},eachLayer:function(e,t){var n=this._needsClustering.slice(),r;this._topClusterLevel&&this._topClusterLevel.getAllChildMarkers(n);for(r=n.length-1;r>=0;r--)e.call(t,n[r])},hasLayer:function(e){if(this._needsClustering.length>0){var t=this._needsClustering;for(var n=t.length-1;n>=0;n--)if(t[n]===e)return!0}return!!e.__parent&&e.__parent._group===this},zoomToShowLayer:function(e,t){var n=function(){if((e._icon||e.__parent._icon)&&!this._inZoomAnimation){this._map.off("moveend",n,this),this.off("animationend",n,this);if(e._icon)t();else if(e.__parent._icon){var r=function(){this.off("spiderfied",r,this),t()};this.on("spiderfied",r,this),e.__parent.spiderfy()}}};e._icon?t():e.__parent._zoom<this._map.getZoom()?(this._map.on("moveend",n,this),e._icon||this._map.panTo(e.getLatLng())):(this._map.on("moveend",n,this),this.on("animationend",n,this),this._map.setView(e.getLatLng(),e.__parent._zoom+1),e.__parent.zoomToBounds())},onAdd:function(e){this._map=e,this._gridClusters||this._generateInitialClusters();for(var t=0,n=this._needsClustering.length;t<n;t++){var r=this._needsClustering[t];if(r.__parent)continue;this._addLayer(r,this._maxZoom)}this._needsClustering=[],this._map.on("zoomend",this._zoomEnd,this),this._map.on("moveend",this._moveEnd,this),this._spiderfierOnAdd&&this._spiderfierOnAdd(),this._bindEvents(),this._zoom=this._map.getZoom(),this._currentShownBounds=this._getExpandedVisibleBounds(),this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds)},onRemove:function(e){this._map.off("zoomend",this._zoomEnd,this),this._map.off("moveend",this._moveEnd,this),this._unbindEvents(),this._map._mapPane.className=this._map._mapPane.className.replace(" leaflet-cluster-anim",""),this._spiderfierOnRemove&&this._spiderfierOnRemove();for(var t in this._layers)this._layers.hasOwnProperty(t)&&L.FeatureGroup.prototype.removeLayer.call(this,this._layers[t]);this._map=null},_arraySplice:function(e,t){for(var n=e.length-1;n>=0;n--)if(e[n]===t){e.splice(n,1);return}},_removeLayer:function(e,t,n){var r=this._gridClusters,i=this._gridUnclustered,s=this._map;if(t)for(var o=this._maxZoom;o>=0;o--)if(!i[o].removeObject(e,s.project(e.getLatLng(),o)))break;var u=e.__parent,a=u._markers,f;this._arraySplice(a,e);while(u){u._childCount--;if(u._zoom<0)break;t&&u._childCount<=1?(f=u._markers[0]===e?u._markers[1]:u._markers[0],r[u._zoom].removeObject(u,s.project(u._cLatLng,u._zoom)),i[u._zoom].addObject(f,s.project(f.getLatLng(),u._zoom)),this._arraySplice(u.__parent._childClusters,u),u.__parent._markers.push(f),f.__parent=u.__parent,u._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,u),n||L.FeatureGroup.prototype.addLayer.call(this,f))):(u._recalculateBounds(),(!n||!u._icon)&&u._updateIcon()),u=u.__parent}delete e.__parent},_propagateEvent:function(e){e.target instanceof L.MarkerCluster&&(e.type="cluster"+e.type),L.FeatureGroup.prototype._propagateEvent.call(this,e)},_defaultIconCreateFunction:function(e){var t=e.getChildCount(),n=" marker-cluster-";return t<10?n+="small":t<100?n+="medium":n+="large",new L.DivIcon({html:"<div><span>"+t+"</span></div>",className:"marker-cluster"+n,iconSize:new L.Point(40,40)})},_bindEvents:function(){var e=null,t=this._map,n=this.options.spiderfyOnMaxZoom,r=this.options.showCoverageOnHover,i=this.options.zoomToBoundsOnClick;(n||i)&&this.on("clusterclick",function(e){t.getMaxZoom()===t.getZoom()?n&&e.layer.spiderfy():i&&e.layer.zoomToBounds()},this),r&&(this.on("clustermouseover",function(n){if(this._inZoomAnimation)return;e&&t.removeLayer(e),n.layer.getChildCount()>2&&n.layer!==this._spiderfied&&(e=new L.Polygon(n.layer.getConvexHull(),this.options.polygonOptions),t.addLayer(e))},this),this.on("clustermouseout",function(){e&&(t.removeLayer(e),e=null)},this),t.on("zoomend",function(){e&&(t.removeLayer(e),e=null)},this),t.on("layerremove",function(n){e&&n.layer===this&&(t.removeLayer(e),e=null)},this))},_unbindEvents:function(){var e=this.options.spiderfyOnMaxZoom,t=this.options.showCoverageOnHover,n=this.options.zoomToBoundsOnClick,r=this._map;(e||n)&&this.off("clusterclick",null,this),t&&(this.off("clustermouseover",null,this),this.off("clustermouseout",null,this),r.off("zoomend",null,this),r.off("layerremove",null,this))},_zoomEnd:function(){if(!this._map)return;this._mergeSplitClusters(),this._zoom=this._map._zoom,this._currentShownBounds=this._getExpandedVisibleBounds()},_moveEnd:function(){if(this._inZoomAnimation)return;var e=this._getExpandedVisibleBounds();this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,this._zoom,e),this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,e),this._currentShownBounds=e;return},_generateInitialClusters:function(){var e=this._map.getMaxZoom(),t=this.options.maxClusterRadius;this.options.disableClusteringAtZoom&&(e=this.options.disableClusteringAtZoom-1),this._maxZoom=e,this._gridClusters={},this._gridUnclustered={};for(var n=e;n>=0;n--)this._gridClusters[n]=new L.DistanceGrid(t),this._gridUnclustered[n]=new L.DistanceGrid(t);this._topClusterLevel=new L.MarkerCluster(this,-1)},_addLayer:function(e,t){var n=this._gridClusters,r=this._gridUnclustered,i,s;this.options.singleMarkerMode&&(e.options.icon=this.options.iconCreateFunction({getChildCount:function(){return 1},getAllChildMarkers:function(){return[e]}}));for(;t>=0;t--){i=this._map.project(e.getLatLng(),t);var o=n[t].getNearObject(i);if(o){o._addChild(e),e.__parent=o;return}o=r[t].getNearObject(i);if(o){var u=o.__parent;u&&this._removeLayer(o,!1);var a=new L.MarkerCluster(this,t,o,e);n[t].addObject(a,this._map.project(a._cLatLng,t)),o.__parent=a,e.__parent=a;var f=a;for(s=t-1;s>u._zoom;s--)f=new L.MarkerCluster(this,s,f),n[s].addObject(f,this._map.project(o.getLatLng(),s));u._addChild(f);for(s=t;s>=0;s--)if(!r[s].removeObject(o,this._map.project(o.getLatLng(),s)))break;return}r[t].addObject(e,i)}this._topClusterLevel._addChild(e),e.__parent=this._topClusterLevel;return},_mergeSplitClusters:function(){this._zoom<this._map._zoom?(this._animationStart(),this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,this._zoom,this._getExpandedVisibleBounds()),this._animationZoomIn(this._zoom,this._map._zoom)):this._zoom>this._map._zoom?(this._animationStart(),this._animationZoomOut(this._zoom,this._map._zoom)):this._moveEnd()},_getExpandedVisibleBounds:function(){if(!this.options.removeOutsideVisibleBounds)return this.getBounds();var e=this._map,t=e.getBounds(),n=t._southWest,r=t._northEast,i=L.Browser.mobile?0:Math.abs(n.lat-r.lat),s=L.Browser.mobile?0:Math.abs(n.lng-r.lng);return new L.LatLngBounds(new L.LatLng(n.lat-i,n.lng-s,!0),new L.LatLng(r.lat+i,r.lng+s,!0))},_animationAddLayerNonAnimated:function(e,t){if(t===e)L.FeatureGroup.prototype.addLayer.call(this,e);else if(t._childCount===2){t._addToMap();var n=t.getAllChildMarkers();L.FeatureGroup.prototype.removeLayer.call(this,n[0]),L.FeatureGroup.prototype.removeLayer.call(this,n[1])}else t._updateIcon()}}),L.MarkerClusterGroup.include(L.DomUtil.TRANSITION?{_animationStart:function(){this._map._mapPane.className+=" leaflet-cluster-anim",this._inZoomAnimation++},_animationEnd:function(){this._map&&(this._map._mapPane.className=this._map._mapPane.className.replace(" leaflet-cluster-anim","")),this._inZoomAnimation--,this.fire("animationend")},_animationZoomIn:function(e,t){var n=this,r=this._getExpandedVisibleBounds(),i;this._topClusterLevel._recursively(r,e,0,function(s){var o=s._latlng,u=s._markers,a;s._isSingleParent()&&e+1===t?(L.FeatureGroup.prototype.removeLayer.call(n,s),s._recursivelyAddChildrenToMap(null,t,r)):(s.setOpacity(0),s._recursivelyAddChildrenToMap(o,t,r));for(i=u.length-1;i>=0;i--)a=u[i],r.contains(a._latlng)||L.FeatureGroup.prototype.removeLayer.call(n,a)}),this._forceLayout();var s,o;n._topClusterLevel._recursivelyBecomeVisible(r,t);for(s in n._layers)n._layers.hasOwnProperty(s)&&(o=n._layers[s],!(o instanceof L.MarkerCluster)&&o._icon&&o.setOpacity(1));n._topClusterLevel._recursively(r,e,t,function(e){e._recursivelyRestoreChildPositions(t)}),setTimeout(function(){n._topClusterLevel._recursively(r,e,0,function(e){L.FeatureGroup.prototype.removeLayer.call(n,e),e.setOpacity(1)}),n._animationEnd()},200)},_animationZoomOut:function(e,t){this._animationZoomOutSingle(this._topClusterLevel,e-1,t),this._topClusterLevel._recursivelyAddChildrenToMap(null,t,this._getExpandedVisibleBounds()),this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,e,this._getExpandedVisibleBounds())},_animationZoomOutSingle:function(e,t,n){var r=this._getExpandedVisibleBounds();e._recursivelyAnimateChildrenInAndAddSelfToMap(r,t+1,n);var i=this;this._forceLayout(),e._recursivelyBecomeVisible(r,n),setTimeout(function(){if(e._childCount===1){var s=e._markers[0];s.setLatLng(s.getLatLng()),s.setOpacity(1);return}e._recursively(r,n,0,function(e){e._recursivelyRemoveChildrenFromMap(r,t+1)}),i._animationEnd()},200)},_animationAddLayer:function(e,t){var n=this;L.FeatureGroup.prototype.addLayer.call(this,e),t!==e&&(t._childCount>2?(t._updateIcon(),this._forceLayout(),this._animationStart(),e._setPos(this._map.latLngToLayerPoint(t.getLatLng())),e.setOpacity(0),setTimeout(function(){L.FeatureGroup.prototype.removeLayer.call(n,e),e.setOpacity(1),n._animationEnd()},200)):(this._forceLayout(),n._animationStart(),n._animationZoomOutSingle(t,this._map.getMaxZoom(),this._map.getZoom())))},_forceLayout:function(){L.Util.falseFn(document.body.offsetWidth)}}:{_animationStart:function(){},_animationZoomIn:function(e,t){this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,e),this._topClusterLevel._recursivelyAddChildrenToMap(null,t,this._getExpandedVisibleBounds())},_animationZoomOut:function(e,t){this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,e),this._topClusterLevel._recursivelyAddChildrenToMap(null,t,this._getExpandedVisibleBounds())},_animationAddLayer:function(e,t){this._animationAddLayerNonAnimated(e,t)}}),L.MarkerCluster=L.Marker.extend({initialize:function(e,t,n,r){L.Marker.prototype.initialize.call(this,n?n._cLatLng||n.getLatLng():new L.LatLng(0,0),{icon:this}),this._group=e,this._zoom=t,this._markers=[],this._childClusters=[],this._childCount=0,this._iconNeedsUpdate=!0,this._bounds=new L.LatLngBounds,n&&this._addChild(n),r&&this._addChild(r)},getAllChildMarkers:function(e){e=e||[];for(var t=this._childClusters.length-1;t>=0;t--)this._childClusters[t].getAllChildMarkers(e);for(var n=this._markers.length-1;n>=0;n--)e.push(this._markers[n]);return e},getChildCount:function(){return this._childCount},zoomToBounds:function(){this._group._map.fitBounds(this._bounds)},_updateIcon:function(){this._iconNeedsUpdate=!0,this._icon&&this.setIcon(this)},createIcon:function(){return this._iconNeedsUpdate&&(this._iconObj=this._group.options.iconCreateFunction(this),this._iconNeedsUpdate=!1),this._iconObj.createIcon()},createShadow:function(){return this._iconObj.createShadow()},_addChild:function(e,t){this._iconNeedsUpdate=!0,this._expandBounds(e),e instanceof L.MarkerCluster?(t||(this._childClusters.push(e),e.__parent=this),this._childCount+=e._childCount):(t||this._markers.push(e),this._childCount++),this.__parent&&this.__parent._addChild(e,!0)},_expandBounds:function(e){var t,n=e._wLatLng||e._latlng;e instanceof L.MarkerCluster?(this._bounds.extend(e._bounds),t=e._childCount):(this._bounds.extend(n),t=1),this._cLatLng||(this._cLatLng=e._cLatLng||n);var r=this._childCount+t;this._wLatLng?(this._wLatLng.lat=(n.lat*t+this._wLatLng.lat*this._childCount)/r,this._wLatLng.lng=(n.lng*t+this._wLatLng.lng*this._childCount)/r):this._latlng=this._wLatLng=new L.LatLng(n.lat,n.lng)},_addToMap:function(e){e&&(this._backupLatlng=this._latlng,this.setLatLng(e)),L.FeatureGroup.prototype.addLayer.call(this._group,this)},_recursivelyAnimateChildrenIn:function(e,t,n){this._recursively(e,0,n-1,function(e){var n=e._markers,r,i;for(r=n.length-1;r>=0;r--)i=n[r],i._icon&&(i._setPos(t),i.setOpacity(0))},function(e){var n=e._childClusters,r,i;for(r=n.length-1;r>=0;r--)i=n[r],i._icon&&(i._setPos(t),i.setOpacity(0))})},_recursivelyAnimateChildrenInAndAddSelfToMap:function(e,t,n){this._recursively(e,n,0,function(r){r._recursivelyAnimateChildrenIn(e,r._group._map.latLngToLayerPoint(r.getLatLng()).round(),t),r._isSingleParent()&&t-1===n?(r.setOpacity(1),r._recursivelyRemoveChildrenFromMap(e,t)):r.setOpacity(0),r._addToMap()})},_recursivelyBecomeVisible:function(e,t){this._recursively(e,0,t,null,function(e){e.setOpacity(1)})},_recursivelyAddChildrenToMap:function(e,t,n){this._recursively(n,-1,t,function(r){if(t===r._zoom)return;for(var i=r._markers.length-1;i>=0;i--){var s=r._markers[i];if(!n.contains(s._latlng))continue;e&&(s._backupLatlng=s.getLatLng(),s.setLatLng(e),s.setOpacity(0)),L.FeatureGroup.prototype.addLayer.call(r._group,s)}},function(t){t._addToMap(e)})},_recursivelyRestoreChildPositions:function(e){for(var t=this._markers.length-1;t>=0;t--){var n=this._markers[t];n._backupLatlng&&(n.setLatLng(n._backupLatlng),delete n._backupLatlng)}if(e-1===this._zoom)for(var r=this._childClusters.length-1;r>=0;r--)this._childClusters[r]._restorePosition();else for(var i=this._childClusters.length-1;i>=0;i--)this._childClusters[i]._recursivelyRestoreChildPositions(e)},_restorePosition:function(){this._backupLatlng&&(this.setLatLng(this._backupLatlng),delete this._backupLatlng)},_recursivelyRemoveChildrenFromMap:function(e,t,n){var r,i;this._recursively(e,-1,t-1,function(e){for(i=e._markers.length-1;i>=0;i--){r=e._markers[i];if(!n||!n.contains(r._latlng))L.FeatureGroup.prototype.removeLayer.call(e._group,r),r.setOpacity(1)}},function(e){for(i=e._childClusters.length-1;i>=0;i--){r=e._childClusters[i];if(!n||!n.contains(r._latlng))L.FeatureGroup.prototype.removeLayer.call(e._group,r),r.setOpacity(1)}})},_recursively:function(e,t,n,r,i){var s=this._childClusters,o=this._zoom,u,a;if(t>o)for(u=s.length-1;u>=0;u--)a=s[u],e.intersects(a._bounds)&&a._recursively(e,t,n,r,i);else{r&&r(this),i&&this._zoom===n&&i(this);if(n>o)for(u=s.length-1;u>=0;u--)a=s[u],e.intersects(a._bounds)&&a._recursively(e,t,n,r,i)}},_recalculateBounds:function(){var e=this._markers,t=this._childClusters,n;this._bounds=new L.LatLngBounds,delete this._wLatLng;for(n=e.length-1;n>=0;n--)this._expandBounds(e[n]);for(n=t.length-1;n>=0;n--)this._expandBounds(t[n])},_isSingleParent:function(){return this._childClusters.length>0&&this._childClusters[0]._childCount===this._childCount}}),L.DistanceGrid=function(e){this._cellSize=e,this._sqCellSize=e*e,this._grid={},this._objectPoint={}},L.DistanceGrid.prototype={addObject:function(e,t){var n=this._getCoord(t.x),r=this._getCoord(t.y),i=this._grid,s=i[r]=i[r]||{},o=s[n]=s[n]||[],u=L.Util.stamp(e);this._objectPoint[u]=t,o.push(e)},updateObject:function(e,t){this.removeObject(e),this.addObject(e,t)},removeObject:function(e,t){var n=this._getCoord(t.x),r=this._getCoord(t.y),i=this._grid,s=i[r]=i[r]||{},o=s[n]=s[n]||[],u,a;delete this._objectPoint[L.Util.stamp(e)];for(u=0,a=o.length;u<a;u++)if(o[u]===e)return o.splice(u,1),a===1&&delete s[n],!0},eachObject:function(e,t){var n,r,i,s,o,u,a,f=this._grid;for(n in f)if(f.hasOwnProperty(n)){o=f[n];for(r in o)if(o.hasOwnProperty(r)){u=o[r];for(i=0,s=u.length;i<s;i++)a=e.call(t,u[i]),a&&(i--,s--)}}},getNearObject:function(e){var t=this._getCoord(e.x),n=this._getCoord(e.y),r,i,s,o,u,a,f,l,c=this._objectPoint,h=this._sqCellSize,p=null;for(r=n-1;r<=n+1;r++){o=this._grid[r];if(o)for(i=t-1;i<=t+1;i++){u=o[i];if(u)for(s=0,a=u.length;s<a;s++)f=u[s],l=this._sqDist(c[L.Util.stamp(f)],e),l<h&&(h=l,p=f)}}return p},_getCoord:function(e){return Math.floor(e/this._cellSize)},_sqDist:function(e,t){var n=t.x-e.x,r=t.y-e.y;return n*n+r*r}},function(){L.QuickHull={getDistant:function(e,t){var n=t[1].lat-t[0].lat,r=t[0].lng-t[1].lng;return r*(e.lat-t[0].lat)+n*(e.lng-t[0].lng)},findMostDistantPointFromBaseLine:function(e,t){var n=0,r=null,i=[],s,o,u;for(s=t.length-1;s>=0;s--){o=t[s],u=this.getDistant(o,e);if(!(u>0))continue;i.push(o),u>n&&(n=u,r=o)}return{maxPoint:r,newPoints:i}},buildConvexHull:function(e,t){var n=[],r=this.findMostDistantPointFromBaseLine(e,t);return r.maxPoint?(n=n.concat(this.buildConvexHull([e[0],r.maxPoint],r.newPoints)),n=n.concat(this.buildConvexHull([r.maxPoint,e[1]],r.newPoints)),n):[e]},getConvexHull:function(e){var t=!1,n=!1,r=null,i=null,s;for(s=e.length-1;s>=0;s--){var o=e[s];if(t===!1||o.lat>t)r=o,t=o.lat;if(n===!1||o.lat<n)i=o,n=o.lat}var u=[].concat(this.buildConvexHull([i,r],e),this.buildConvexHull([r,i],e));return u}}}(),L.MarkerCluster.include({getConvexHull:function(){var e=this.getAllChildMarkers(),t=[],n=[],r,i,s;for(s=e.length-1;s>=0;s--)i=e[s].getLatLng(),t.push(i);r=L.QuickHull.getConvexHull(t);for(s=r.length-1;s>=0;s--)n.push(r[s][0]);return n}}),L.MarkerCluster.include({_2PI:Math.PI*2,_circleFootSeparation:25,_circleStartAngle:Math.PI/6,_spiralFootSeparation:28,_spiralLengthStart:11,_spiralLengthFactor:5,_circleSpiralSwitchover:9,spiderfy:function(){if(this._group._spiderfied===this||this._group._inZoomAnimation)return;var e=this.getAllChildMarkers(),t=this._group,n=t._map,r=n.latLngToLayerPoint(this._latlng),i;this._group._unspiderfy(),this._group._spiderfied=this,e.length>=this._circleSpiralSwitchover?i=this._generatePointsSpiral(e.length,r):(r.y+=10,i=this._generatePointsCircle(e.length,r)),this._animationSpiderfy(e,i)},unspiderfy:function(e){if(this._group._inZoomAnimation)return;this._animationUnspiderfy(e),this._group._spiderfied=null},_generatePointsCircle:function(e,t){var n=this._group.options.spiderfyDistanceMultiplier*this._circleFootSeparation*(2+e),r=n/this._2PI,i=this._2PI/e,s=[],o,u;s.length=e;for(o=e-1;o>=0;o--)u=this._circleStartAngle+o*i,s[o]=(new L.Point(t.x+r*Math.cos(u),t.y+r*Math.sin(u)))._round();return s},_generatePointsSpiral:function(e,t){var n=this._group.options.spiderfyDistanceMultiplier*this._spiralLengthStart,r=this._group.options.spiderfyDistanceMultiplier*this._spiralFootSeparation,i=this._group.options.spiderfyDistanceMultiplier*this._spiralLengthFactor,s=0,o=[],u;o.length=e;for(u=e-1;u>=0;u--)s+=r/n+u*5e-4,o[u]=(new L.Point(t.x+n*Math.cos(s),t.y+n*Math.sin(s)))._round(),n+=this._2PI*i/s;return o}}),L.MarkerCluster.include(L.DomUtil.TRANSITION?{SVG_ANIMATION:function(){return(document.createElementNS("http://www.w3.org/2000/svg","animate")+"").indexOf("SVGAnimate")>-1}(),_animationSpiderfy:function(e,t){var n=this,r=this._group,i=r._map,s=i.latLngToLayerPoint(this._latlng),o,u,a,f;for(o=e.length-1;o>=0;o--)u=e[o],u.setZIndexOffset(1e6),u.setOpacity(0),L.FeatureGroup.prototype.addLayer.call(r,u),u._setPos(s);r._forceLayout(),r._animationStart();var l=L.Path.SVG?0:.3,c=L.Path.SVG_NS;for(o=e.length-1;o>=0;o--){f=i.layerPointToLatLng(t[o]),u=e[o],u._preSpiderfyLatlng=u._latlng,u.setLatLng(f),u.setOpacity(1),a=new L.Polyline([n._latlng,f],{weight:1.5,color:"#222",opacity:l}),i.addLayer(a),u._spiderLeg=a;if(!L.Path.SVG||!this.SVG_ANIMATION)continue;var h=a._path.getTotalLength();a._path.setAttribute("stroke-dasharray",h+","+h);var p=document.createElementNS(c,"animate");p.setAttribute("attributeName","stroke-dashoffset"),p.setAttribute("begin","indefinite"),p.setAttribute("from",h),p.setAttribute("to",0),p.setAttribute("dur",.25),a._path.appendChild(p),p.beginElement(),p=document.createElementNS(c,"animate"),p.setAttribute("attributeName","stroke-opacity"),p.setAttribute("attributeName","stroke-opacity"),p.setAttribute("begin","indefinite"),p.setAttribute("from",0),p.setAttribute("to",.5),p.setAttribute("dur",.25),a._path.appendChild(p),p.beginElement()}n.setOpacity(.3);if(L.Path.SVG){this._group._forceLayout();for(o=e.length-1;o>=0;o--)u=e[o]._spiderLeg,u.options.opacity=.5,u._path.setAttribute("stroke-opacity",.5)}setTimeout(function(){r._animationEnd(),r.fire("spiderfied")},200)},_animationUnspiderfy:function(e){var t=this._group,n=t._map,r=e?n._latLngToNewLayerPoint(this._latlng,e.zoom,e.center):n.latLngToLayerPoint(this._latlng),i=this.getAllChildMarkers(),s=L.Path.SVG&&this.SVG_ANIMATION,o,u,a;t._animationStart(),this.setOpacity(1);for(u=i.length-1;u>=0;u--){o=i[u];if(!o._preSpiderfyLatlng)continue;o.setLatLng(o._preSpiderfyLatlng),delete o._preSpiderfyLatlng,o._setPos(r),o.setOpacity(0),s&&(a=o._spiderLeg._path.childNodes[0],a.setAttribute("to",a.getAttribute("from")),a.setAttribute("from",0),a.beginElement(),a=o._spiderLeg._path.childNodes[1],a.setAttribute("from",.5),a.setAttribute("to",0),a.setAttribute("stroke-opacity",0),a.beginElement(),o._spiderLeg._path.setAttribute("stroke-opacity",0))}setTimeout(function(){var e=0;for(u=i.length-1;u>=0;u--)o=i[u],o._spiderLeg&&e++;for(u=i.length-1;u>=0;u--){o=i[u];if(!o._spiderLeg)continue;o.setOpacity(1),o.setZIndexOffset(0),e>1&&L.FeatureGroup.prototype.removeLayer.call(t,o),n.removeLayer(o._spiderLeg),delete o._spiderLeg}t._animationEnd()},200)}}:{_animationSpiderfy:function(e,t){var n=this._group,r=n._map,i,s,o,u;for(i=e.length-1;i>=0;i--)u=r.layerPointToLatLng(t[i]),s=e[i],s._preSpiderfyLatlng=s._latlng,s.setLatLng(u),s.setZIndexOffset(1e6),L.FeatureGroup.prototype.addLayer.call(n,s),o=new L.Polyline([this._latlng,u],{weight:1.5,color:"#222"}),r.addLayer(o),s._spiderLeg=o;this.setOpacity(.3),n.fire("spiderfied")},_animationUnspiderfy:function(){var e=this._group,t=e._map,n=this.getAllChildMarkers(),r,i;this.setOpacity(1);for(i=n.length-1;i>=0;i--)r=n[i],L.FeatureGroup.prototype.removeLayer.call(e,r),r.setLatLng(r._preSpiderfyLatlng),delete r._preSpiderfyLatlng,r.setZIndexOffset(0),t.removeLayer(r._spiderLeg),delete r._spiderLeg}}),L.MarkerClusterGroup.include({_spiderfied:null,_spiderfierOnAdd:function(){this._map.on("click",this._unspiderfyWrapper,this),this._map.options.zoomAnimation?this._map.on("zoomstart",this._unspiderfyZoomStart,this):this._map.on("zoomend",this._unspiderfyWrapper,this),L.Path.SVG&&!L.Browser.touch&&this._map._initPathRoot()},_spiderfierOnRemove:function(){this._map.off("click",this._unspiderfyWrapper,this),this._map.off("zoomstart",this._unspiderfyZoomStart,this),this._map.off("zoomanim",this._unspiderfyZoomAnim,this),this._unspiderfy()},_unspiderfyZoomStart:function(){if(!this._map)return;this._map.on("zoomanim",this._unspiderfyZoomAnim,this)},_unspiderfyZoomAnim:function(e){if(L.DomUtil.hasClass(this._map._mapPane,"leaflet-touching"))return;this._map.off("zoomanim",this._unspiderfyZoomAnim,this),this._unspiderfy(e)},_unspiderfyWrapper:function(){this._unspiderfy()},_unspiderfy:function(e){this._spiderfied&&this._spiderfied.unspiderfy(e)},_unspiderfyLayer:function(e){e._spiderLeg&&(L.FeatureGroup.prototype.removeLayer.call(this,e),e.setOpacity(1),e.setZIndexOffset(0),this._map.removeLayer(e._spiderLeg),delete e._spiderLeg)}})})(this);
\ No newline at end of file |