From 128788c490313960c4f501077b160126bc64e985 Mon Sep 17 00:00:00 2001
From: Mike Lynch <m.lynch@sydney.edu.au>
Date: Thu, 5 Feb 2026 08:32:28 +1100
Subject: [PATCH] Finised the second layer

---
 cellindex.js               | 25 ++++++++++++++++++++++++-
 label_inscribed_600cell.js | 17 ++++++++++++-----
 polytopes.js               |  4 ++--
 3 files changed, 38 insertions(+), 8 deletions(-)

diff --git a/cellindex.js b/cellindex.js
index 325e490..5dff132 100644
--- a/cellindex.js
+++ b/cellindex.js
@@ -105,6 +105,8 @@ export const LAYERS120 =  {
 };
 
 export const CELL600_METAMAP = {
+    27: 1,
+
     419: 41,
     223: 49,
     253: 45,
@@ -116,7 +118,28 @@ export const CELL600_METAMAP = {
     473: 111,
     539: 55,
     555: 43,
-    393: 47
+    393: 47,
+
+    367: 97,
+    131: 101,
+    499: 17,
+    179: 33,
+    471: 9,
+    165: 13,
+    449: 21,
+    258: 93,
+    274: 35,
+    95: 89,
+    347: 91,
+    313: 37,
+    185: 95,
+    140: 19,
+    527: 11,
+    105: 39,
+    585: 23,
+    306: 103,
+    207: 99,
+    573: 15,
 };
 
 export const CELL120_CELL5 = {
diff --git a/label_inscribed_600cell.js b/label_inscribed_600cell.js
index e0def94..600fc11 100644
--- a/label_inscribed_600cell.js
+++ b/label_inscribed_600cell.js
@@ -143,8 +143,8 @@ export function layer_neighbours(cell600, layer) {
     }
 }
 
-export function layer_two(cell600) {
-    const faces = [
+
+const ARCTIC_I_FACES = [
         [ 419, 223, 253 ],
         [ 419, 253, 331 ],
         [ 419, 331, 427 ],
@@ -165,14 +165,21 @@ export function layer_two(cell600) {
         [ 393, 539, 473 ],
         [ 393, 555, 539 ],
         [ 393, 555, 511 ]
-    ];
+];
+
+export const ARCTIC_FACES = ARCTIC_I_FACES.map((f) => {
+    return f.map((nid) => CELLINDEX.CELL600_METAMAP[nid]);
+});
+
+
+export function layer_two(cell600, centre, faces) {
 
     for ( const face of faces ) {
         const n2 = face_vertices(cell600, face[0], face[1], face[2]);
-        //console.log(face);
-        console.log(n2.filter((n) => n !== 27)[0]);
+        console.log(face, n2);
     }
 }
+ 
 
 
 /*const cell600 = make_one_600cell();
diff --git a/polytopes.js b/polytopes.js
index 1f25c0e..a421370 100644
--- a/polytopes.js
+++ b/polytopes.js
@@ -613,7 +613,7 @@ export const cell120_test_metamap = () => {
 		label_nodes(nodes, CELLINDEX.INDEX120[cstr], Number(cstr));
 	}
 
-	links.map((l) => l.label = 0);
+	links.map((l) => l.label = 6);
 
 	const mm = CELLINDEX.CELL600_METAMAP;
 	const mm_ids = Object.keys(mm).map((i) => Number(i));
@@ -638,7 +638,7 @@ export const cell120_test_metamap = () => {
                 const n600 = o600.nodes.filter((n) => n.id === mapid);
                 n.label = n600[0].label;
 	    } else {
-    	        n.label = 0;
+    	        n.label = 6;
 	    }
 	});