highcharts/esm/modules/marker-clusters.js

JavaScript charting framework

/**
 * Highcharts JS v12.3.0 (2025-06-21)
 * @module highcharts/modules/marker-clusters
 * @requires highcharts
 *
 * Marker clusters module for Highcharts
 *
 * (c) 2010-2025 Wojciech Chmiel
 *
 * License: www.highcharts.com/license
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t=0;t<m;t++)d[t].parentStateId=u;if(r.push({x:x.x,y:x.y,id:y,stateId:u,index:p,data:d,clusterZone:w,clusterZoneClassName:P}),s.push(x.x),a.push(x.y),n.push({options:{formatPrefix:"cluster",dataLabels:e.dataLabels,marker:b(e.marker,{states:e.states},A||{})}}),i?.length)for(let t=0;t<m;t++)I(i[d[t].dataIndex])&&(d[t].options=i[d[t].dataIndex]);p++,A=null}else for(let e=0;e<t[y].length;e++)h=t[y][e],u=R(),M=null,c=i?.[h.dataIndex],s.push(h.x),a.push(h.y),h.parentStateId=u,o.push({x:h.x,y:h.y,id:y,stateId:u,index:p,data:t[y]}),M=c&&"object"==typeof c&&!C(c)?b(c,{x:h.x,y:h.y}):{userOptions:c,x:h.x,y:h.y},n.push({options:M}),p++;return{clusters:r,noise:o,groupedXData:s,groupedYData:a,groupMap:n}}function B(){let{chart:t,xAxis:e,yAxis:i}=this,s=0,a=0;return{plotLeft:s=e&&this.dataMinX&&this.dataMaxX?e.reversed?e.toPixels(this.dataMaxX):e.toPixels(this.dataMinX):t.plotLeft,plotTop:i&&this.dataMinY&&this.dataMaxY?i.reversed?i.toPixels(this.dataMinY):i.toPixels(this.dataMaxY):t.plotTop}}function 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i=e.prototype;!i.markerClusterAlgorithms&&(X=i.generatePoints,i.markerClusterAlgorithms=P,i.animateClusterPoint=G,i.destroyClusteredData=F,i.generatePoints=W,i.getClusterDistancesFromPoint=Z,i.getClusteredData=_,i.getGridOffset=B,i.getPointsState=H,i.getRealExtremes=q,i.getScaledGridSize=N,i.hideClusteredData=U,i.isValidGroupedDataObject=K,i.preventClusterCollisions=J,g(e,"destroy",i.destroyClusteredData),t.plotOptions&&(t.plotOptions.series=b(t.plotOptions.series,n)))}},{animObject:tt}=o(),{defaultOptions:te}=o(),{composed:ti}=o(),{addEvent:ts,defined:ta,error:tr,isFunction:to,merge:tn,pushUnique:tl,syncTimeout:tp}=o();function tu(){let t=this.chart,e=0;for(let i of t.series)i.markerClusterInfo&&(e=tt((i.options.cluster||{}).animation).duration||0);tp(()=>{t.tooltip&&t.tooltip.destroy()},e)}function th(){for(let t of this.series||[])if(t.markerClusterInfo){let e=t.options.cluster,i=((t.markerClusterInfo||{}).pointsState||{}).oldState;if((e||{}).animation&&t.markerClusterInfo&&0===(t.chart.pointer?.pinchDown||[]).length&&"pan"!==((t.xAxis||{}).eventArgs||{}).trigger&&i&&Object.keys(i).length){for(let e of t.markerClusterInfo.clusters)t.animateClusterPoint(e);for(let e of t.markerClusterInfo.noise)t.animateClusterPoint(e)}}}function td(t){let e=(((t.point||t.target).series.options.cluster||{}).events||{}).drillToCluster;to(e)&&e.call(this,t)}function tc(){if(this.dataGroup)return tr("Highcharts marker-clusters module: Running `Point.update` when point belongs to clustered series is not supported.",!1,this.series.chart),!1}function tm(){let t=(this.options.cluster||{}).drillToCluster;if(this.markerClusterInfo&&this.markerClusterInfo.clusters)for(let e of this.markerClusterInfo.clusters)e.point&&e.point.graphic&&(e.point.graphic.addClass("highcharts-cluster-point"),t&&e.point&&(e.point.graphic.css({cursor:"pointer"}),e.point.dataLabel&&e.point.dataLabel.css({cursor:"pointer"})),ta(e.clusterZone)&&e.point.graphic.addClass(e.clusterZoneClassName||"highcharts-cluster-zone-"+e.clusterZone.zoneIndex))}function tf(e,i,s,a){let r=s/2,o=a/2,n=t.arc(e+r,i+o,r-4,o-4,{start:.5*Math.PI,end:2.5*Math.PI,open:!1}),l=t.arc(e+r,i+o,r-3,o-3,{start:.5*Math.PI,end:2.5*Math.PI,innerR:r-2,open:!1});return t.arc(e+r,i+o,r-1,o-1,{start:.5*Math.PI,end:2.5*Math.PI,innerR:r,open:!1}).concat(l,n)}(te.plotOptions||{}).series=tn((te.plotOptions||{}).series,n);let tg=o();({compose:function(t,e,i,s){if(tl(ti,"MarkerClusters")){let a=s.prototype.pointClass,{scatter:r}=s.types;ts(t,"setExtremes",tu),ts(e,"render",th),ts(a,"drillToCluster",td),ts(a,"update",tc),ts(s,"afterRender",tm),r&&$.compose(i,r)}}}).compose(tg.Axis,tg.Chart,tg.defaultOptions,tg.Series),({compose:function(e){(t=e.prototype.symbols).cluster=tf}}).compose(tg.SVGRenderer);let tx=o();export{tx as default};