Dynamic reconfigure GUI improvements [closed]

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Hi all,

I'm currently working on a camera driver and I was wondering if any of the ideas I list here are even possible:

• Group some dynamic_reconfigure parameters into groups or "boxes" so that the end user can see that those parameters are related. Ex: Acquisition params, Trigger params, White balance params...
• Add tooltips or a info box whose content changes when the mouse hovers a particular parameter in the dynamic reconfigure gui.

And I've seen in the tutorials that it's possible to have more than one config file in one ROS package. If the package contains more than one node, then the relationship is easy: one cfg file for each, but could it be possible to have more than one cfg file in the same node? Therefore, could I "group" the parameters I want in different cfg files and show them as a tree in the dynamic reconfigure gui?

I tried groups (even with prosilica_camera example) in dynamic_reconfigure but whenever I open the GUI to see the params, reconfigure_gui crashes:

$ rosrun rqt_reconfigure rqt_reconfigure 
[INFO] [WallTime: 1394202876.542782] reconf loading #1/4 0.0 / 0.0sec node=/camera/image_raw/compressed
[INFO] [WallTime: 1394202876.546365] reconf loading #2/4 0.0 / 0.0sec node=/camera/image_raw/compressedDepth
[INFO] [WallTime: 1394202876.547479] reconf loading #3/4 0.0 / 0.0sec node=/camera/image_raw/theora
[INFO] [WallTime: 1394202876.551956] reconf loading #4/4 0.0 / 0.01sec node=/prosilica_driver
Traceback (most recent call last):
  File "/opt/ros/hydro/lib/python2.7/dist-packages/rqt_reconfigure/node_selector_widget.py", line 248, in _selection_changed_slot
    self._selection_selected(index_current, rosnode_name_selected)
  File "/opt/ros/hydro/lib/python2.7/dist-packages/rqt_reconfigure/node_selector_widget.py", line 198, in _selection_selected
    item_widget = item_child.get_dynreconf_widget()
  File "/opt/ros/hydro/lib/python2.7/dist-packages/rqt_reconfigure/treenode_qstditem.py", line 148, in get_dynreconf_widget
    self._param_name_raw)
  File "/opt/ros/hydro/lib/python2.7/dist-packages/rqt_reconfigure/dynreconf_client_widget.py", line 57, in __init__
    group_desc, node_name)
  File "/opt/ros/hydro/lib/python2.7/dist-packages/rqt_reconfigure/param_groups.py", line 152, in __init__
    self._create_node_widgets(config)
  File "/opt/ros/hydro/lib/python2.7/dist-packages/rqt_reconfigure/param_groups.py", line 198, in _create_node_widgets
    widget = eval(_GROUP_TYPES[group['type']])(self.updater, group)
  File "/opt/ros/hydro/lib/python2.7/dist-packages/rqt_reconfigure/param_groups.py", line 247, in __init__
    super(BoxGroup, self).__init__(updater, config)
TypeError: __init__() takes exactly 4 arguments (3 given)