Added better layer names

main.js

@@ -114,7 +114,7 @@ function setLinkOpacity(o, primary) {
 	}
 }
 
-let gui; // 
+let gui; 
 
 
 function changeShape() {

polytopes.js

@@ -359,6 +359,16 @@ function link_labels(nodes, link) {
 // layer and the links follow that
 
 export const cell120_layered = (max) => {
+	const LAYER_NAMES = {
+		0: "North pole",
+		1: "Arctic circle",
+		2: "North temperate",
+		3: "Tropic of Cancer",
+		4: "Equator",
+		5: "Tropic of Capricorn",
+		6: "South temperate",
+		7: "Antarctic circle (all)"
+	};
 	const nodes  = make_120cell_vertices();
 	const links = auto_detect_edges(nodes, 4);
 
@@ -382,8 +392,8 @@ export const cell120_layered = (max) => {
 
 	for( const i of [ 0, 1, 2, 3, 4, 5, 6, 7 ] ) {
 		layers.push(i);
-		options.unshift({
-			name: "Layer " + String(i),
+		options.push({
+			name: LAYER_NAMES[i],
 			links: [...layers],
 			nodes: [...layers]
 		})