Upload preprocess_manual.js

preprocess_manual.js

@@ -1207,7 +1207,37 @@ if (Math.abs(avgX) > 1e-6 || Math.abs(avgY) > 1e-6 || Math.abs(avgZ) > 1e-6) {
 
 console.log('[DEBUG] ✓ Centering SUCCESS! Average is effectively zero');
 console.log('[preprocessManual] ✓ PLY centered at origin');
+/////////////////
+
+// ========================================
+// Step 4: Calculate bounding box for later use
+// ========================================
+console.log('[preprocessManual] Step 4: Calculating bounding box...');
+
+let minX = Infinity, minY = Infinity, minZ = Infinity;
+let maxX = -Infinity, maxY = -Infinity, maxZ = -Infinity;
+
+for (let i = 0; i < plyData.vertices.length; i++) {
+  const v = plyData.vertices[i];
+  minX = Math.min(minX, v.x);
+  minY = Math.min(minY, v.y);
+  minZ = Math.min(minZ, v.z);
+  maxX = Math.max(maxX, v.x);
+  maxY = Math.max(maxY, v.y);
+  maxZ = Math.max(maxZ, v.z);
+}
+
+console.log('[preprocessManual] Bounding box calculated:', {
+  min: { x: minX.toFixed(3), y: minY.toFixed(3), z: minZ.toFixed(3) },
+  max: { x: maxX.toFixed(3), y: maxY.toFixed(3), z: maxZ.toFixed(3) },
+  size: { 
+    x: (maxX - minX).toFixed(3), 
+    y: (maxY - minY).toFixed(3), 
+    z: (maxZ - minZ).toFixed(3) 
+  }
+});
 
+////////////////
 console.log('[preprocessManual] ===== AUTO-ALIGNMENT COMPLETE =====');