Hi,
Great work. I'm trying out heatmaps with the addWebGLHeatmap function. However the intensity does not vary when adding a parameter. The color remains the same. This seems related to a bug within leaflet itself.
Cheers
https://gis.stackexchange.com/questions/253437/intensity-wise-gradient-is-not-working-in-leaflet-heat
Leaflet/Leaflet.heat#74