(function(w){ // the heatmapFactory creates heatmap instances var heatmapFactory = (function(){ // store object constructor // a heatmap contains a store // the store has to know about the heatmap in order to trigger heatmap updates when datapoints get added var store = function store(hmap){ var _ = { // data is a two dimensional array // a datapoint gets saved as data[point-x-value][point-y-value] // the value at [point-x-value][point-y-value] is the occurrence of the datapoint data: [], // tight coupling of the heatmap object heatmap: hmap }; // the max occurrence - the heatmaps radial gradient alpha transition is based on it this.max = 1; this.get = function(key){ return _[key]; }; this.set = function(key, value){ _[key] = value; }; }
Set the detailed data displayed by the heat map. After implementation, it can be displayed immediately
@param {Json Object} data
{"<b>max</b>" : {Number} Maximum value of weight,
<br />"<b>data</b>" : {Array} Coordinate detailed data, the format is as follows<br/>
{"lng":116.421969,"lat":39.913527,"count":3}, where<br/>
lng lat is the longitude and latitude respectively, count weight value
Add detailed coordinate points of the power map
@param {Number} lng longitude coordinate
@param {Number} lat longitude coordinate
@param {Number} count longitude coordinate
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