feat: ignore boulder.json and update extrinsics visualizer

py_workspace/visualize_extrinsics.py

@@ -499,19 +499,10 @@ def main(
     )
 
     if birdseye:
-        # For birdseye, we force top-down view
+        # For birdseye, we force top-down view (looking down +Y towards X-Z plane)
         scene_dict["camera"] = dict(
             projection=dict(type="orthographic"),
-            up=dict(x=0, y=0, z=1),  # Z is up in Plotly? No, Y is usually up.
-            # Wait, we want X-Z plane. So we look down Y.
-            # Plotly default is Z up.
-            # If our data is Y-up (standard graphics), then we look from +Y down to X-Z.
-            # Actually, for X-Z plane top-down, we want to look from +Y.
-            # So eye should be (0, high, 0).
-            # And "up" vector for the camera should be aligned with Z (or -Z) to orient the map correctly.
-            # Let's try Z-up for the camera orientation so X is right and Z is up on screen?
-            # No, usually map is X right, Z up (or down).
-            # If we look from +Y, and up is +Z, then Z is "up" on screen.
+            up=dict(x=0, y=0, z=1),  # World +Z is 'up' on screen
             eye=dict(x=0, y=2.5, z=0),
         )