topic Heatmap Performance (HeatmapCalculator._calculateIntensityMatrix) in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/heatmap-performance-heatmapcalculator/m-p/261885#M24270 <HTML><HEAD></HEAD><BODY><P>I have a heatmap with 61136 features. This takes Chrome 17 Seconds to calculate each time the heatmap gets recalculated. Almost all of the time is spend in this method:<BR />HeatmapCalculator._calculateIntensityMatrix</P><P>Looking at the code, and taking some snapshot values, I'd guess the inner loop code gets called ~21 Billion! times.</P><P></P><P>Not sure what this method actually does, since I can only look at the compressed code, but it seems very inefficient.</P></BODY></HTML> Wed, 01 Apr 2015 09:11:26 GMT SantoPfingsten 2015-04-01T09:11:26Z Heatmap Performance (HeatmapCalculator._calculateIntensityMatrix) https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/heatmap-performance-heatmapcalculator/m-p/261885#M24270 <HTML><HEAD></HEAD><BODY><P>I have a heatmap with 61136 features. This takes Chrome 17 Seconds to calculate each time the heatmap gets recalculated. Almost all of the time is spend in this method:<BR />HeatmapCalculator._calculateIntensityMatrix</P><P>Looking at the code, and taking some snapshot values, I'd guess the inner loop code gets called ~21 Billion! times.</P><P></P><P>Not sure what this method actually does, since I can only look at the compressed code, but it seems very inefficient.</P></BODY></HTML> Wed, 01 Apr 2015 09:11:26 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/heatmap-performance-heatmapcalculator/m-p/261885#M24270 SantoPfingsten 2015-04-01T09:11:26Z Re: Heatmap Performance (HeatmapCalculator._calculateIntensityMatrix) https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/heatmap-performance-heatmapcalculator/m-p/261886#M24271 <HTML><HEAD></HEAD><BODY><P>Any solutions for this issue?</P></BODY></HTML> Tue, 13 Sep 2016 22:54:37 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/heatmap-performance-heatmapcalculator/m-p/261886#M24271 FabianoScardua 2016-09-13T22:54:37Z