Trigger update_street_width functionality only on streets

htdocs/mapscript.js

@@ -45,9 +45,28 @@ streetLabelsRenderer._getDynamicFontSize = function (layer) {
 			return 2**(zoom - 9) * 11;
 		break;
 	case "Polygon":
+		var size;
 		if (zoom >= 4)
-			return 30;
-		return 20;
+			size = 30;
+		else
+			size = 20;
+		switch (layer.properties.type) {
+		case "city":
+			break;
+		case "town":
+			size *= 2/3;
+			break;
+		case "village":
+			size *= 1/3;
+			break;
+		case "district":
+			size *= 2/3;
+			break;
+		default:
+			size *= 0.5/3;
+			break;
+		}
+		return size;
 	default:
 		break;
 	}
@@ -167,6 +186,8 @@ function load_geojson(name, url, iconname, iconcolor, active=1, style={}) {
 				switch (iconname) {
 				case "street":
 					onEachFeature = function(feature, layer) {
+						layer.myTag = iconname;
+						layer.myName = name;
 						layer.on("click", function (e) {
 							current_feature = feature;
 						});
@@ -475,11 +496,11 @@ function update_street_width() {
 		w = 2**zoom * 0.016 * 2;
 	}
 	var myStyle = {weight: w, opacity: 0.7};
-	for (var i = 0; i < layers._layers.length; i++) {
-		if (!layers._layers[i].layer._layers)
-			continue;
-		layers._layers[i].layer.setStyle(myStyle);
+	mymap.eachLayer( function(layer) {
+		if ( layer.myTag && layer.myTag === "street") {
+			layer.setStyle(myStyle);
 		}
+	});
 }
 
 function update_outline_visibility() {