Updated app.py

app.py

@@ -42,6 +42,9 @@ def extract_middle_slice(nifti_path, output_image_path):
     # Get the middle slice along the z-axis
     middle_slice_index = data.shape[2] // 2
     slice_data = data[:, :, middle_slice_index]
+    
+    # Rotate the slice 90 degrees clockwise
+    slice_data = np.rot90(slice_data, k=-1)
 
     # Calculate aspect ratio
     height, width = slice_data.shape