Fixed minors

docs/source/jetson/ros_launch.rst

@@ -40,7 +40,13 @@ You may edit the ``package.xml`` file, adding:
    <exec_depend>rospy</exec_depend>
 
 
-In order to test, you should call the ROS launch by typing:
+Before running the ROS launch, you should set the default language for output (in case it is not set yet). In order to do that, add to the ``.bashrc`` file the line:
+
+.. code-block:: bash
+
+   export LC_ALL="en_US.UTF-8"
+
+Finally, in order to test, you should call the ROS launch by typing:
 
 .. code-block:: bash
 

docs/source/jetson/scripts/jetson_image_extractor.py

@@ -6,14 +6,15 @@
 import rosbag
 import numpy as np
 from cv_bridge import CvBridge
+from os.path import join, dirname, exists
 
 def extractor(bagname):
-    root_dir = "./%s" % bagname.split('.bag')[0]
-    left_dir = "%s/left" % root_dir
-    right_dir = "%s/right" % root_dir
-    depth_dir = "%s/depth" % root_dir
+    root_dir = dirname(bagname)
+    left_dir = join(root_dir, 'left')
+    right_dir = join(root_dir, 'right')
+    depth_dir = join(root_dir, 'depth')
 
-    if not (os.path.exists(root_dir)):
+    if not exists(root_dir):
         os.makedirs("%s" % left_dir)
         os.makedirs("%s" % right_dir)
         os.makedirs("%s" % depth_dir)