/* 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(){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(t){L.Util.setOptions(this,t),this.options.iconCreateFunction||(this.options.iconCreateFunction=this._defaultIconCreateFunction),L.FeatureGroup.prototype.initialize.call(this,[]),this._inZoomAnimation=0,this._needsClustering=[],this._currentShownBounds=null},addLayer:function(t){if(t instanceof L.LayerGroup){var e=[];for(var i in t._layers)e.push(t._layers[i]);return this.addLayers(e)}if(!this._map)return this._needsClustering.push(t),this;if(this.hasLayer(t))return this;this._unspiderfy&&this._unspiderfy(),this._addLayer(t,this._maxZoom);var n=t,r=this._map.getZoom();if(t.__parent)for(;n.__parent._zoom>=r;)n=n.__parent;return this._currentShownBounds.contains(n.getLatLng())&&(this.options.animateAddingMarkers?this._animationAddLayer(t,n):this._animationAddLayerNonAnimated(t,n)),this},removeLayer:function(t){return this._map?t.__parent?(this._unspiderfy&&(this._unspiderfy(),this._unspiderfyLayer(t)),this._removeLayer(t,!0),t._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,t),t.setOpacity(1)),this):this:(this._arraySplice(this._needsClustering,t),this)},addLayers:function(t){var e,i,n;if(!this._map)return this._needsClustering=this._needsClustering.concat(t),this;for(e=0,i=t.length;i>e;e++)if(n=t[e],!this.hasLayer(n)&&(this._addLayer(n,this._maxZoom),n.__parent&&2===n.__parent.getChildCount())){var r=n.__parent.getAllChildMarkers(),s=r[0]===n?r[1]:r[0];L.FeatureGroup.prototype.removeLayer.call(this,s)}for(e in this._layers)n=this._layers[e],n instanceof L.MarkerCluster&&n._iconNeedsUpdate&&n._updateIcon();return this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds),this},removeLayers:function(t){var e,i,n;if(!this._map){for(e=0,i=t.length;i>e;e++)this._arraySplice(this._needsClustering,t[e]);return this}for(e=0,i=t.length;i>e;e++)n=t[e],n.__parent&&(this._removeLayer(n,!0,!0),n._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,n),n.setOpacity(1)));this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds);for(e in this._layers)n=this._layers[e],n instanceof L.MarkerCluster&&n._updateIcon();return this},clearLayers:function(){this._map||(this._needsClustering=[],delete this._gridClusters,delete this._gridUnclustered),this._noanimationUnspiderfy&&this._noanimationUnspiderfy();for(var t in this._layers)L.FeatureGroup.prototype.removeLayer.call(this,this._layers[t]);return this.eachLayer(function(t){delete t.__parent}),this._map&&this._generateInitialClusters(),this},getBounds:function(){var t=new L.LatLngBounds;if(this._topClusterLevel)t.extend(this._topClusterLevel._bounds);else for(var e=this._needsClustering.length-1;e>=0;e--)t.extend(this._needsClustering[e].getLatLng());return t},eachLayer:function(t,e){var i,n=this._needsClustering.slice();for(this._topClusterLevel&&this._topClusterLevel.getAllChildMarkers(n),i=n.length-1;i>=0;i--)t.call(e,n[i])},hasLayer:function(t){if(t._noHas)return!1;if(this._needsClustering.length>0)for(var e=this._needsClustering,i=e.length-1;i>=0;i--)if(e[i]===t)return!0;return!(!t.__parent||t.__parent._group!==this)},zoomToShowLayer:function(t,e){var i=function(){if((t._icon||t.__parent._icon)&&!this._inZoomAnimation)if(this._map.off("moveend",i,this),this.off("animationend",i,this),t._icon)e();else if(t.__parent._icon){var n=function(){this.off("spiderfied",n,this),e()};this.on("spiderfied",n,this),t.__parent.spiderfy()}};t._icon?e():t.__parent._zoome;e++){var n=this._needsClustering[e];n.__parent||this._addLayer(n,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(t){t.off("zoomend",this._zoomEnd,this),t.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 e in this._layers)L.FeatureGroup.prototype.removeLayer.call(this,this._layers[e]);this._map=null},_arraySplice:function(t,e){for(var i=t.length-1;i>=0;i--)if(t[i]===e)return t.splice(i,1),void 0},_removeLayer:function(t,e,i){var n=this._gridClusters,r=this._gridUnclustered,s=this._map;if(e)for(var o=this._maxZoom;o>=0&&r[o].removeObject(t,s.project(t.getLatLng(),o));o--);var a,l=t.__parent,_=l._markers;for(this._arraySplice(_,t);l&&(l._childCount--,!(0>l._zoom));)e&&1>=l._childCount?(a=l._markers[0]===t?l._markers[1]:l._markers[0],n[l._zoom].removeObject(l,s.project(l._cLatLng,l._zoom)),r[l._zoom].addObject(a,s.project(a.getLatLng(),l._zoom)),this._arraySplice(l.__parent._childClusters,l),l.__parent._markers.push(a),a.__parent=l.__parent,l._icon&&(L.FeatureGroup.prototype.removeLayer.call(this,l),i||L.FeatureGroup.prototype.addLayer.call(this,a))):(l._recalculateBounds(),i&&l._icon||l._updateIcon()),l=l.__parent;delete t.__parent},_propagateEvent:function(t){t.target instanceof L.MarkerCluster&&(t.type="cluster"+t.type),L.FeatureGroup.prototype._propagateEvent.call(this,t)},_defaultIconCreateFunction:function(t){var e=t.getChildCount(),i=" marker-cluster-";return i+=10>e?"small":100>e?"medium":"large",new L.DivIcon({html:"
"+e+"
",className:"marker-cluster"+i,iconSize:new L.Point(40,40)})},_bindEvents:function(){var t=null,e=this._map,i=this.options.spiderfyOnMaxZoom,n=this.options.showCoverageOnHover,r=this.options.zoomToBoundsOnClick;(i||r)&&this.on("clusterclick",function(t){e.getMaxZoom()===e.getZoom()?i&&t.layer.spiderfy():r&&t.layer.zoomToBounds()},this),n&&(this.on("clustermouseover",function(i){this._inZoomAnimation||(t&&e.removeLayer(t),i.layer.getChildCount()>2&&i.layer!==this._spiderfied&&(t=new L.Polygon(i.layer.getConvexHull(),this.options.polygonOptions),e.addLayer(t)))},this),this.on("clustermouseout",function(){t&&(e.removeLayer(t),t=null)},this),e.on("zoomend",function(){t&&(e.removeLayer(t),t=null)},this),e.on("layerremove",function(i){t&&i.layer===this&&(e.removeLayer(t),t=null)},this))},_unbindEvents:function(){var t=this.options.spiderfyOnMaxZoom,e=this.options.showCoverageOnHover,i=this.options.zoomToBoundsOnClick,n=this._map;(t||i)&&this.off("clusterclick",null,this),e&&(this.off("clustermouseover",null,this),this.off("clustermouseout",null,this),n.off("zoomend",null,this),n.off("layerremove",null,this))},_zoomEnd:function(){this._map&&(this._mergeSplitClusters(),this._zoom=this._map._zoom,this._currentShownBounds=this._getExpandedVisibleBounds())},_moveEnd:function(){if(!this._inZoomAnimation){var t=this._getExpandedVisibleBounds();this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,this._zoom,t),this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,t),this._currentShownBounds=t}},_generateInitialClusters:function(){var t=this._map.getMaxZoom(),e=this.options.maxClusterRadius;this.options.disableClusteringAtZoom&&(t=this.options.disableClusteringAtZoom-1),this._maxZoom=t,this._gridClusters={},this._gridUnclustered={};for(var i=t;i>=0;i--)this._gridClusters[i]=new L.DistanceGrid(e),this._gridUnclustered[i]=new L.DistanceGrid(e);this._topClusterLevel=new L.MarkerCluster(this,-1)},_addLayer:function(t,e){var i,n,r=this._gridClusters,s=this._gridUnclustered;for(this.options.singleMarkerMode&&(t.options.icon=this.options.iconCreateFunction({getChildCount:function(){return 1},getAllChildMarkers:function(){return[t]}}));e>=0;e--){i=this._map.project(t.getLatLng(),e);var o=r[e].getNearObject(i);if(o)return o._addChild(t),t.__parent=o,void 0;if(o=s[e].getNearObject(i)){var a=o.__parent;a&&this._removeLayer(o,!1);var l=new L.MarkerCluster(this,e,o,t);r[e].addObject(l,this._map.project(l._cLatLng,e)),o.__parent=l,t.__parent=l;var _=l;for(n=e-1;n>a._zoom;n--)_=new L.MarkerCluster(this,n,_),r[n].addObject(_,this._map.project(o.getLatLng(),n));for(a._addChild(_),n=e;n>=0&&s[n].removeObject(o,this._map.project(o.getLatLng(),n));n--);return}s[e].addObject(t,i)}this._topClusterLevel._addChild(t),t.__parent=this._topClusterLevel},_mergeSplitClusters:function(){this._zoomthis._map._zoom?(this._animationStart(),this._animationZoomOut(this._zoom,this._map._zoom)):this._moveEnd()},_getExpandedVisibleBounds:function(){if(!this.options.removeOutsideVisibleBounds)return this.getBounds();var t=this._map,e=t.getBounds(),i=e._southWest,n=e._northEast,r=L.Browser.mobile?0:Math.abs(i.lat-n.lat),s=L.Browser.mobile?0:Math.abs(i.lng-n.lng);return new L.LatLngBounds(new L.LatLng(i.lat-r,i.lng-s,!0),new L.LatLng(n.lat+r,n.lng+s,!0))},_animationAddLayerNonAnimated:function(t,e){if(e===t)L.FeatureGroup.prototype.addLayer.call(this,t);else if(2===e._childCount){e._addToMap();var i=e.getAllChildMarkers();L.FeatureGroup.prototype.removeLayer.call(this,i[0]),L.FeatureGroup.prototype.removeLayer.call(this,i[1])}else e._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(t,e){var i,n=this,r=this._getExpandedVisibleBounds();this._topClusterLevel._recursively(r,t,0,function(s){var o,a=s._latlng,l=s._markers;for(s._isSingleParent()&&t+1===e?(L.FeatureGroup.prototype.removeLayer.call(n,s),s._recursivelyAddChildrenToMap(null,e,r)):(s.setOpacity(0),s._recursivelyAddChildrenToMap(a,e,r)),i=l.length-1;i>=0;i--)o=l[i],r.contains(o._latlng)||L.FeatureGroup.prototype.removeLayer.call(n,o)}),this._forceLayout();var s,o;n._topClusterLevel._recursivelyBecomeVisible(r,e);for(s in n._layers)o=n._layers[s],o instanceof L.MarkerCluster||!o._icon||o.setOpacity(1);n._topClusterLevel._recursively(r,t,e,function(t){t._recursivelyRestoreChildPositions(e)}),setTimeout(function(){n._topClusterLevel._recursively(r,t,0,function(t){L.FeatureGroup.prototype.removeLayer.call(n,t),t.setOpacity(1)}),n._animationEnd()},200)},_animationZoomOut:function(t,e){this._animationZoomOutSingle(this._topClusterLevel,t-1,e),this._topClusterLevel._recursivelyAddChildrenToMap(null,e,this._getExpandedVisibleBounds()),this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,t,this._getExpandedVisibleBounds())},_animationZoomOutSingle:function(t,e,i){var n=this._getExpandedVisibleBounds();t._recursivelyAnimateChildrenInAndAddSelfToMap(n,e+1,i);var r=this;this._forceLayout(),t._recursivelyBecomeVisible(n,i),setTimeout(function(){if(1===t._childCount){var s=t._markers[0];s.setLatLng(s.getLatLng()),s.setOpacity(1)}else t._recursively(n,i,0,function(t){t._recursivelyRemoveChildrenFromMap(n,e+1)});r._animationEnd()},200)},_animationAddLayer:function(t,e){var i=this;L.FeatureGroup.prototype.addLayer.call(this,t),e!==t&&(e._childCount>2?(e._updateIcon(),this._forceLayout(),this._animationStart(),t._setPos(this._map.latLngToLayerPoint(e.getLatLng())),t.setOpacity(0),setTimeout(function(){L.FeatureGroup.prototype.removeLayer.call(i,t),t.setOpacity(1),i._animationEnd()},200)):(this._forceLayout(),i._animationStart(),i._animationZoomOutSingle(e,this._map.getMaxZoom(),this._map.getZoom())))},_forceLayout:function(){L.Util.falseFn(document.body.offsetWidth)}}:{_animationStart:function(){},_animationZoomIn:function(t,e){this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,t),this._topClusterLevel._recursivelyAddChildrenToMap(null,e,this._getExpandedVisibleBounds())},_animationZoomOut:function(t,e){this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,t),this._topClusterLevel._recursivelyAddChildrenToMap(null,e,this._getExpandedVisibleBounds())},_animationAddLayer:function(t,e){this._animationAddLayerNonAnimated(t,e)}}),L.MarkerCluster=L.Marker.extend({initialize:function(t,e,i,n){L.Marker.prototype.initialize.call(this,i?i._cLatLng||i.getLatLng():new L.LatLng(0,0),{icon:this}),this._group=t,this._zoom=e,this._markers=[],this._childClusters=[],this._childCount=0,this._iconNeedsUpdate=!0,this._bounds=new L.LatLngBounds,i&&this._addChild(i),n&&this._addChild(n)},getAllChildMarkers:function(t){t=t||[];for(var e=this._childClusters.length-1;e>=0;e--)this._childClusters[e].getAllChildMarkers(t);for(var i=this._markers.length-1;i>=0;i--)t.push(this._markers[i]);return t},getChildCount:function(){return this._childCount},zoomToBounds:function(){this._group._map.fitBounds(this._bounds)},getBounds:function(){var t=new L.LatLngBounds;return t.extend(this._bounds),t},_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(t,e){this._iconNeedsUpdate=!0,this._expandBounds(t),t instanceof L.MarkerCluster?(e||(this._childClusters.push(t),t.__parent=this),this._childCount+=t._childCount):(e||this._markers.push(t),this._childCount++),this.__parent&&this.__parent._addChild(t,!0)},_expandBounds:function(t){var e,i=t._wLatLng||t._latlng;t instanceof L.MarkerCluster?(this._bounds.extend(t._bounds),e=t._childCount):(this._bounds.extend(i),e=1),this._cLatLng||(this._cLatLng=t._cLatLng||i);var n=this._childCount+e;this._wLatLng?(this._wLatLng.lat=(i.lat*e+this._wLatLng.lat*this._childCount)/n,this._wLatLng.lng=(i.lng*e+this._wLatLng.lng*this._childCount)/n):this._latlng=this._wLatLng=new L.LatLng(i.lat,i.lng)},_addToMap:function(t){t&&(this._backupLatlng=this._latlng,this.setLatLng(t)),this._noHas=!0,L.FeatureGroup.prototype.addLayer.call(this._group,this),delete this._noHas},_recursivelyAnimateChildrenIn:function(t,e,i){this._recursively(t,0,i-1,function(t){var i,n,r=t._markers;for(i=r.length-1;i>=0;i--)n=r[i],n._icon&&(n._setPos(e),n.setOpacity(0))},function(t){var i,n,r=t._childClusters;for(i=r.length-1;i>=0;i--)n=r[i],n._icon&&(n._setPos(e),n.setOpacity(0))})},_recursivelyAnimateChildrenInAndAddSelfToMap:function(t,e,i){this._recursively(t,i,0,function(n){n._recursivelyAnimateChildrenIn(t,n._group._map.latLngToLayerPoint(n.getLatLng()).round(),e),n._isSingleParent()&&e-1===i?(n.setOpacity(1),n._recursivelyRemoveChildrenFromMap(t,e)):n.setOpacity(0),n._addToMap()})},_recursivelyBecomeVisible:function(t,e){this._recursively(t,0,e,null,function(t){t.setOpacity(1)})},_recursivelyAddChildrenToMap:function(t,e,i){this._recursively(i,-1,e,function(n){if(e!==n._zoom)for(var r=n._markers.length-1;r>=0;r--){var s=n._markers[r];i.contains(s._latlng)&&(t&&(s._backupLatlng=s.getLatLng(),s.setLatLng(t),s.setOpacity(0)),s._noHas=!0,L.FeatureGroup.prototype.addLayer.call(n._group,s),delete s._noHas)}},function(e){e._addToMap(t)})},_recursivelyRestoreChildPositions:function(t){for(var e=this._markers.length-1;e>=0;e--){var i=this._markers[e];i._backupLatlng&&(i.setLatLng(i._backupLatlng),delete i._backupLatlng)}if(t-1===this._zoom)for(var n=this._childClusters.length-1;n>=0;n--)this._childClusters[n]._restorePosition();else for(var r=this._childClusters.length-1;r>=0;r--)this._childClusters[r]._recursivelyRestoreChildPositions(t)},_restorePosition:function(){this._backupLatlng&&(this.setLatLng(this._backupLatlng),delete this._backupLatlng)},_recursivelyRemoveChildrenFromMap:function(t,e,i){var n,r;this._recursively(t,-1,e-1,function(t){for(r=t._markers.length-1;r>=0;r--)n=t._markers[r],i&&i.contains(n._latlng)||(L.FeatureGroup.prototype.removeLayer.call(t._group,n),n.setOpacity(1))},function(t){for(r=t._childClusters.length-1;r>=0;r--)n=t._childClusters[r],i&&i.contains(n._latlng)||((!L.FeatureGroup.prototype.hasLayer||L.FeatureGroup.prototype.hasLayer.call(t._group,n))&&L.FeatureGroup.prototype.removeLayer.call(t._group,n),n.setOpacity(1))})},_recursively:function(t,e,i,n,r){var s,o,a=this._childClusters,l=this._zoom;if(e>l)for(s=a.length-1;s>=0;s--)o=a[s],t.intersects(o._bounds)&&o._recursively(t,e,i,n,r);else if(n&&n(this),r&&this._zoom===i&&r(this),i>l)for(s=a.length-1;s>=0;s--)o=a[s],t.intersects(o._bounds)&&o._recursively(t,e,i,n,r)},_recalculateBounds:function(){var t,e=this._markers,i=this._childClusters;for(this._bounds=new L.LatLngBounds,delete this._wLatLng,t=e.length-1;t>=0;t--)this._expandBounds(e[t]);for(t=i.length-1;t>=0;t--)this._expandBounds(i[t])},_isSingleParent:function(){return this._childClusters.length>0&&this._childClusters[0]._childCount===this._childCount}}),L.DistanceGrid=function(t){this._cellSize=t,this._sqCellSize=t*t,this._grid={},this._objectPoint={}},L.DistanceGrid.prototype={addObject:function(t,e){var i=this._getCoord(e.x),n=this._getCoord(e.y),r=this._grid,s=r[n]=r[n]||{},o=s[i]=s[i]||[],a=L.Util.stamp(t);this._objectPoint[a]=e,o.push(t)},updateObject:function(t,e){this.removeObject(t),this.addObject(t,e)},removeObject:function(t,e){var i,n,r=this._getCoord(e.x),s=this._getCoord(e.y),o=this._grid,a=o[s]=o[s]||{},l=a[r]=a[r]||[];for(delete this._objectPoint[L.Util.stamp(t)],i=0,n=l.length;n>i;i++)if(l[i]===t)return l.splice(i,1),1===n&&delete a[r],!0},eachObject:function(t,e){var i,n,r,s,o,a,l,_=this._grid;for(i in _){o=_[i];for(n in o)for(a=o[n],r=0,s=a.length;s>r;r++)l=t.call(e,a[r]),l&&(r--,s--)}},getNearObject:function(t){var e,i,n,r,s,o,a,l,_=this._getCoord(t.x),h=this._getCoord(t.y),u=this._objectPoint,d=this._sqCellSize,p=null;for(e=h-1;h+1>=e;e++)if(r=this._grid[e])for(i=_-1;_+1>=i;i++)if(s=r[i])for(n=0,o=s.length;o>n;n++)a=s[n],l=this._sqDist(u[L.Util.stamp(a)],t),d>l&&(d=l,p=a);return p},_getCoord:function(t){return Math.floor(t/this._cellSize)},_sqDist:function(t,e){var i=e.x-t.x,n=e.y-t.y;return i*i+n*n}},function(){L.QuickHull={getDistant:function(t,e){var i=e[1].lat-e[0].lat,n=e[0].lng-e[1].lng;return n*(t.lat-e[0].lat)+i*(t.lng-e[0].lng)},findMostDistantPointFromBaseLine:function(t,e){var i,n,r,s=0,o=null,a=[];for(i=e.length-1;i>=0;i--)n=e[i],r=this.getDistant(n,t),r>0&&(a.push(n),r>s&&(s=r,o=n));return{maxPoint:o,newPoints:a}},buildConvexHull:function(t,e){var i=[],n=this.findMostDistantPointFromBaseLine(t,e);return n.maxPoint?(i=i.concat(this.buildConvexHull([t[0],n.maxPoint],n.newPoints)),i=i.concat(this.buildConvexHull([n.maxPoint,t[1]],n.newPoints))):[t]},getConvexHull:function(t){var e,i=!1,n=!1,r=null,s=null;for(e=t.length-1;e>=0;e--){var o=t[e];(i===!1||o.lat>i)&&(r=o,i=o.lat),(n===!1||n>o.lat)&&(s=o,n=o.lat)}var a=[].concat(this.buildConvexHull([s,r],t),this.buildConvexHull([r,s],t));return a}}}(),L.MarkerCluster.include({getConvexHull:function(){var t,e,i,n=this.getAllChildMarkers(),r=[],s=[];for(i=n.length-1;i>=0;i--)e=n[i].getLatLng(),r.push(e);for(t=L.QuickHull.getConvexHull(r),i=t.length-1;i>=0;i--)s.push(t[i][0]);return s}}),L.MarkerCluster.include({_2PI:2*Math.PI,_circleFootSeparation:25,_circleStartAngle:Math.PI/6,_spiralFootSeparation:28,_spiralLengthStart:11,_spiralLengthFactor:5,_circleSpiralSwitchover:9,spiderfy:function(){if(this._group._spiderfied!==this&&!this._group._inZoomAnimation){var t,e=this.getAllChildMarkers(),i=this._group,n=i._map,r=n.latLngToLayerPoint(this._latlng);this._group._unspiderfy(),this._group._spiderfied=this,e.length>=this._circleSpiralSwitchover?t=this._generatePointsSpiral(e.length,r):(r.y+=10,t=this._generatePointsCircle(e.length,r)),this._animationSpiderfy(e,t)}},unspiderfy:function(t){this._group._inZoomAnimation||(this._animationUnspiderfy(t),this._group._spiderfied=null)},_generatePointsCircle:function(t,e){var i,n,r=this._group.options.spiderfyDistanceMultiplier*this._circleFootSeparation*(2+t),s=r/this._2PI,o=this._2PI/t,a=[];for(a.length=t,i=t-1;i>=0;i--)n=this._circleStartAngle+i*o,a[i]=new L.Point(e.x+s*Math.cos(n),e.y+s*Math.sin(n))._round();return a},_generatePointsSpiral:function(t,e){var i,n=this._group.options.spiderfyDistanceMultiplier*this._spiralLengthStart,r=this._group.options.spiderfyDistanceMultiplier*this._spiralFootSeparation,s=this._group.options.spiderfyDistanceMultiplier*this._spiralLengthFactor,o=0,a=[];for(a.length=t,i=t-1;i>=0;i--)o+=r/n+5e-4*i,a[i]=new L.Point(e.x+n*Math.cos(o),e.y+n*Math.sin(o))._round(),n+=this._2PI*s/o;return a},_noanimationUnspiderfy:function(){var t,e,i=this._group,n=i._map,r=this.getAllChildMarkers();for(this.setOpacity(1),e=r.length-1;e>=0;e--)t=r[e],L.FeatureGroup.prototype.removeLayer.call(i,t),t._preSpiderfyLatlng&&(t.setLatLng(t._preSpiderfyLatlng),delete t._preSpiderfyLatlng),t.setZIndexOffset(0),t._spiderLeg&&(n.removeLayer(t._spiderLeg),delete t._spiderLeg)}}),L.MarkerCluster.include(L.DomUtil.TRANSITION?{SVG_ANIMATION:function(){return(""+document.createElementNS("http://www.w3.org/2000/svg","animate")).indexOf("SVGAnimate")>-1}(),_animationSpiderfy:function(t,e){var i,n,r,s,o=this,a=this._group,l=a._map,_=l.latLngToLayerPoint(this._latlng);for(i=t.length-1;i>=0;i--)n=t[i],n.setZIndexOffset(1e6),n.setOpacity(0),n._noHas=!0,L.FeatureGroup.prototype.addLayer.call(a,n),delete n._noHas,n._setPos(_);a._forceLayout(),a._animationStart();var h=L.Path.SVG?0:.3,u=L.Path.SVG_NS;for(i=t.length-1;i>=0;i--)if(s=l.layerPointToLatLng(e[i]),n=t[i],n._preSpiderfyLatlng=n._latlng,n.setLatLng(s),n.setOpacity(1),r=new L.Polyline([o._latlng,s],{weight:1.5,color:"#222",opacity:h}),l.addLayer(r),n._spiderLeg=r,L.Path.SVG&&this.SVG_ANIMATION){var d=r._path.getTotalLength();r._path.setAttribute("stroke-dasharray",d+","+d);var p=document.createElementNS(u,"animate");p.setAttribute("attributeName","stroke-dashoffset"),p.setAttribute("begin","indefinite"),p.setAttribute("from",d),p.setAttribute("to",0),p.setAttribute("dur",.25),r._path.appendChild(p),p.beginElement(),p=document.createElementNS(u,"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),r._path.appendChild(p),p.beginElement()}if(o.setOpacity(.3),L.Path.SVG)for(this._group._forceLayout(),i=t.length-1;i>=0;i--)n=t[i]._spiderLeg,n.options.opacity=.5,n._path.setAttribute("stroke-opacity",.5);setTimeout(function(){a._animationEnd(),a.fire("spiderfied")},200)},_animationUnspiderfy:function(t){var e,i,n,r=this._group,s=r._map,o=t?s._latLngToNewLayerPoint(this._latlng,t.zoom,t.center):s.latLngToLayerPoint(this._latlng),a=this.getAllChildMarkers(),l=L.Path.SVG&&this.SVG_ANIMATION;for(r._animationStart(),this.setOpacity(1),i=a.length-1;i>=0;i--)e=a[i],e._preSpiderfyLatlng&&(e.setLatLng(e._preSpiderfyLatlng),delete e._preSpiderfyLatlng,e._setPos(o),e.setOpacity(0),l&&(n=e._spiderLeg._path.childNodes[0],n.setAttribute("to",n.getAttribute("from")),n.setAttribute("from",0),n.beginElement(),n=e._spiderLeg._path.childNodes[1],n.setAttribute("from",.5),n.setAttribute("to",0),n.setAttribute("stroke-opacity",0),n.beginElement(),e._spiderLeg._path.setAttribute("stroke-opacity",0)));setTimeout(function(){var t=0;for(i=a.length-1;i>=0;i--)e=a[i],e._spiderLeg&&t++;for(i=a.length-1;i>=0;i--)e=a[i],e._spiderLeg&&(e.setOpacity(1),e.setZIndexOffset(0),t>1&&L.FeatureGroup.prototype.removeLayer.call(r,e),s.removeLayer(e._spiderLeg),delete e._spiderLeg);r._animationEnd()},200)}}:{_animationSpiderfy:function(t,e){var i,n,r,s,o=this._group,a=o._map;for(i=t.length-1;i>=0;i--)s=a.layerPointToLatLng(e[i]),n=t[i],n._preSpiderfyLatlng=n._latlng,n.setLatLng(s),n.setZIndexOffset(1e6),L.FeatureGroup.prototype.addLayer.call(o,n),r=new L.Polyline([this._latlng,s],{weight:1.5,color:"#222"}),a.addLayer(r),n._spiderLeg=r;this.setOpacity(.3),o.fire("spiderfied")},_animationUnspiderfy:function(){this._noanimationUnspiderfy()}}),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(){this._map&&this._map.on("zoomanim",this._unspiderfyZoomAnim,this)},_unspiderfyZoomAnim:function(t){L.DomUtil.hasClass(this._map._mapPane,"leaflet-touching")||(this._map.off("zoomanim",this._unspiderfyZoomAnim,this),this._unspiderfy(t))},_unspiderfyWrapper:function(){this._unspiderfy()},_unspiderfy:function(t){this._spiderfied&&this._spiderfied.unspiderfy(t)},_noanimationUnspiderfy:function(){this._spiderfied&&this._spiderfied._noanimationUnspiderfy()},_unspiderfyLayer:function(t){t._spiderLeg&&(L.FeatureGroup.prototype.removeLayer.call(this,t),t.setOpacity(1),t.setZIndexOffset(0),this._map.removeLayer(t._spiderLeg),delete t._spiderLeg)}})})(this);