What do the 4 numbers mean in Mapbox's heatmap specification?

Advertisements Mapbox has an example heatmap page. Several times, 4 numbers (0,0,6,1, 0,1,9,3, 0,2,9,20, and 7,1,9,0) appear in the specification: // Increase the heatmap weight based on frequency and property magnitude ‘heatmap-weight’: [ ‘interpolate’, [‘linear’], [‘get’, ‘mag’], 0, 0, 6, 1 ], or: // Increase the heatmap color weight weight by zoom level // heatmap-intensity… Read More What do the 4 numbers mean in Mapbox's heatmap specification?