Update app.py

app.py

@@ -196,6 +196,8 @@ def pano_depth_to_world_points(depth, scale):
     lon = np.linspace(0, np.pi*2, depth.shape[1])
     lat = np.linspace(0, np.pi, depth.shape[0])
     lon, lat = np.meshgrid(lon, lat)
+    lon = lon.flatten()
+    lat = lat.flatten()
 
     pts3d = [[0,0,0]]
     uv = [[0,0]]
@@ -205,13 +207,11 @@ def pano_depth_to_world_points(depth, scale):
             #rnd_lat = (np.random.rand(depth.shape[0]*depth.shape[1]) - 0.5) / 8
             d_lon = i/4 * np.pi*2 / depth.shape[1]
             d_lat = j/4 * np.pi / depth.shape[0]
-            lon = lon.flatten() + d_lon
-            lat = lat.flatten() + d_lat
             
             # Convert to cartesian coordinates
-            x = radius * np.cos(lon) * np.sin(lat)
-            y = radius * np.cos(lat)
-            z = radius * np.sin(lon) * np.sin(lat)
+            x = radius * np.cos(lon + d_lon) * np.sin(lat + d_lat)
+            y = radius * np.cos(lat + d_lat)
+            z = radius * np.sin(lon + d_lon) * np.sin(lat + d_lat)
             
             pts = np.stack([x, y, z], axis=1)
             uvs = np.stack([lon, lat], axis=1)