CesiumHeatmap

A library to add heatmaps (using heatmap.js and Cesium.Entity.Rectangle or Cesium.SingleTileImageryProvider) to the Cesium framework.

To use this on your page do the following:

Import the CesiumHeatmap.js file into your page using the <script> tag. This file includes heatmap.js.
Initialize a CesiumHeatmap instance using the CesiumHeatmap.create() call. See the function in the code for more information on parameters.
Add the data points to the CesiumHeatmap instance using the instance.setData() or more likely instance.setWGS84Data(). See the functions in the code for more information on the parameters.
After new data is added to the CesiumHeatmap instance it will automatically show/update the layer.

HeatmapImageryProvider.js

A library to add heatmaps (using heatmap.js) to the Cesium framework using a custom Cesium.ImageryProvider.

To use this on your page do the following:

Follow the steps in the comment on the first few lines of the file to add the class to Cesium.
Create a HeatmapImageryProvider instance like so: new Cesium.HeatmapImageryProvider(). See the function in the code for more information on the parameters.
Add the instance to the widget.scene.imageryLayers list like so: var layer = widget.scene.imageryLayers.addImageryProvider(instance). After this you can use layer like any other layer in Cesium.