Bugfix: Immediately update heatmap on blob size change. Fixes #27.

Changelog.md

@@ -3,6 +3,7 @@
 # v0.8 - 23rd April 2019
  - Update heatmap colours to match the [official DEFRA standards](https://uk-air.defra.gov.uk/air-pollution/daqi?view=more-info&pollutant=pm25#pollutant)
  - Bugfix: Allow different reading types to be selected once more in the bottom-left
+ - Bugfix: Immediately update heatmap when changing the blob radius
 
 ## v0.7.1 - 16th April 2019
  - [API] `list-reading-types` no longer returns an error if a device hasn't submitted any readings yet

client_src/js/LayerHeatmap.mjs

@@ -272,6 +272,13 @@ class LayerHeatmap {
 			reading_type
 		);
 	}
+	
+	async refresh_display() {
+		await this.update_data(
+			this.datetime,
+			this.reading_type
+		);
+	}
 }
 
 export default LayerHeatmap;

client_src/js/UI.mjs

@@ -32,6 +32,7 @@ class UI {
 				],
 				callback: ((event) => {
 					this.map_manager.heatmap.overlay_config.radius = parseFloat(event.target.value);
+					this.map_manager.heatmap.refresh_display();
 				}).bind(this)
 			},
 			{