I am using leaflet.js , heatmap plugin.   There is one tiny class called L.heatLayer (source code https://github.com/Leaflet/Leaflet.heat/blob/gh-pages/src/HeatLayer.js)  There is no option for opacity  The options are only   options: { maxZoom: 18,...
I'm trying to work with Google maps and Twitter API's to generate a city searchable heatmap of a certain topic/keyword from twitter.   I have the heatmap working and the search map working individually, but cannot find anything any documentat...
I have drawn heatmap using Google maps API v3 with the DB application at the backend.  Cool, I see green.->.yellow.->.red fradient over my map. Looks fine!  But how can I get values for these colors?  What's avg weight for light-green color...
I'm calling getImageData/putImageData a lot and it causes my Chrome process to fill up until it crashes when it reaches 2.5Gb memory.  I'm using simpleheat.js with a leaflet heat map plugin to display heatmap on a canvas.  Basically, I'm...
I want to create a heat map using Google API (Javascript). The problem is that Heatmaps use colors to represent the density of points. But, in my case the density of points is irrelevant. I want to create a map using a specific set of values. The col...
Just wondering if there is a easy way to toggle between 2 or more sets of data array variables using the heat map layer with Google Maps?  The classic example of:   var taxiData = [ new google.maps.LatLng(37.782551, -122.445368), new google.maps.LatL...
im using the heatmaps.js library as well as the Google Maps API to display a map as well as a heatmap over the top. I have been able to display the map as well as query the database to obtain the data I need. The problem i'm having is getting the...
I have tested the HighCharts heatmap (heatmap.js) charts. They work fine for me, but there is one situation where I would like to set the cell colors myself, individually - i.e. NOT using the colorAxis settings.  Is there an easy way to do that witho...
I was wondering how sites such as crazyegg.com store user click data during a session. Obviously there is some underlying script which is storing each clicks data, but how is that data then populated into a database? It seems to me the simple solutio...
I am using the Heatmap.js library to create a map overlay on top of Google maps. It works great as long as I hard-code the data within my  tags.   <script type="text/javascript"> var myLatlng = new google.maps.LatLng(35.20, -90.50); var...

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