app.py

app.py

@@ -640,8 +640,15 @@ def demo_lhm(pose_estimator, face_detector, lhm, cfg):
 
         # PLY export: build GaussianModel from GaussianAppOutput and save
         gs_output = gs_model_list[0]
+        print(f"DEBUG offset_xyz shape: {gs_output.offset_xyz.shape}, min: {gs_output.offset_xyz.min():.4f}, max: {gs_output.offset_xyz.max():.4f}")
+        print(f"DEBUG query_points shape: {query_points.shape}, min: {query_points.min():.4f}, max: {query_points.max():.4f}")
+
+        # Combine base positions with offsets for actual world-space positions
+        actual_xyz = query_points.squeeze(0) + gs_output.offset_xyz
+        print(f"DEBUG actual_xyz shape: {actual_xyz.shape}, min: {actual_xyz.min():.4f}, max: {actual_xyz.max():.4f}")
+
         gs_model = GaussianModel(
-            xyz=gs_output.offset_xyz,
+            xyz=actual_xyz,
             opacity=gs_output.opacity,
             rotation=gs_output.rotation,
             scaling=gs_output.scaling,