diff --git a/copy_geo_exiftool.py b/copy_geo_exiftool.py
index 03f114c..b93d8c9 100644
--- a/copy_geo_exiftool.py
+++ b/copy_geo_exiftool.py
@@ -4,32 +4,40 @@
 import json
 
 def get_geolocation_with_exiftool(image_path):
-    command = ["exiftool", "-json", "-GPSLatitude", "-GPSLongitude", "-GPSAltitude", image_path]
+    command = ["exiftool", "-json", "-GPSLatitude", "-GPSLongitude", "-GPSAltitude", "-GPSLatitudeRef", "-GPSLongitudeRef", image_path]  # Added reference tags
     process = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
     output = process.stdout
 
     try:
         data = json.loads(output)[0]
-        return data.get('GPSLatitude'), data.get('GPSLongitude'), data.get('GPSAltitude')
+        return (
+            data.get('GPSLatitude'), 
+            data.get('GPSLongitude'), 
+            data.get('GPSAltitude'),
+            data.get('GPSLatitudeRef'),   # Extract references
+            data.get('GPSLongitudeRef')
+        )
     except json.JSONDecodeError:
-        return None, None, None
+        return None, None, None, None, None  # Return None for all values if there's an error
 
-def write_geolocation_with_exiftool(dest_image, latitude, longitude, altitude):
+def write_geolocation_with_exiftool(dest_image, latitude, longitude, altitude, GPSLatitudeRef, GPSLongitudeRef):
     command = [
         "exiftool",
-        "-overwrite_original",  # Modify in-place
+        "-overwrite_original",  
         f"-GPSLatitude={latitude}",
         f"-GPSLongitude={longitude}",
         f"-GPSAltitude={altitude}",
+        f"-GPSLatitudeRef={GPSLatitudeRef}",  # Added
+        f"-GPSLongitudeRef={GPSLongitudeRef}",  # Added
         dest_image
     ]
     subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
 
 def process_single_image(raw_image_path, mask_image_path):
-    lat, lon, alt = get_geolocation_with_exiftool(raw_image_path)
+    lat, lon, alt, lat_ref, lon_ref = get_geolocation_with_exiftool(raw_image_path)  # Get references
 
     if lat and lon and alt:
-        write_geolocation_with_exiftool(mask_image_path, lat, lon, alt)
+        write_geolocation_with_exiftool(mask_image_path, lat, lon, alt, lat_ref, lon_ref)  # Pass references
         print(f"Geolocation information copied from {raw_image_path} to {mask_image_path}.")
     else:
         print("No geolocation information found in the source image.")
diff --git a/main.py b/main.py
index 1cdea8c..4e6930d 100644
--- a/main.py
+++ b/main.py
@@ -46,7 +46,7 @@ def main():
         call_in_conda_env("python copy_geolocation_crack.py")
         
         log_message("Convert overlay images to pointcloud. ")
-        call_in_conda_env("python overlay2pointcloud.py --damage_type 'crack'")
+        call_in_conda_env("python overlay2pointcloud.py --damage_type crack")
 
     if process_stain:
         # Run stain related processing
@@ -57,10 +57,10 @@ def main():
         call_in_conda_env("python stainoverlay.py")
         
         log_message("Copying geolocation info to stain overlay...")
-        call_in_conda_env("python copy_geolocation_stain.py")
+        call_in_conda_env("python3 copy_geolocation_stain.py")
         
         log_message("Convert overlay images to pointcloud. ")
-        call_in_conda_env("python overlay2pointcloud.py --damage_type stain")
+        call_in_conda_env("python3 overlay2pointcloud.py --damage_type stain")
         
     log_message("Script sequence completed.")