[ros-users] Extending roslaunch

[Cedric Pradalier]

Hi,

If we discuss roslaunch extension, one very important thing would be to add
dependencies, i.e. launch prog X once Y is running...
I know this raises all kind of complicated issues especially when
respawning but it would avoid developing the corresponding logic in each
node.

Regards

On Mon, Jul 23, 2012 at 2:01 PM, Bill Morris <bill at iheartengineering.com>wrote:

> Does anyone have any opinions on extending the roslaunch and its XML
> format?
>
> I would like to propose modifications to the <launch> tag by adding a
> 'name' and 'description' attributes or elements. Icon information might
> also be nice as well, but isn't really as important. These will help
> make it easier to figure out what your launch files do in a way that is
> machine readable for other applications.
>
> For example, one idea is to be able to double click on a launch file
> have it start without a terminal, then it could call libnotify with the
> name and description of the launch file that was started.
>
> This would provide helpful feedback to the user as some launch files
> take a while to actually start.
>
> One issue I see is that libnotify/dbus seem designed to work on the
> local machine and multi master will probably fail. One fix for this
> might be to have roslaunch broadcast the Name and Description of each
> launch file it starts on a topic. Another node could then bridge this
> topic to libnotify.
>
> tl;dr
> launch file as a desktop icon, click it, too long to start.
> What is the easiest way to fix?
>
> --
> Bill Morris <bill at iheartengineering.com>
> I Heart Engineering
> http://www.iheartengineering.com
> <3
>
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>



-- 
Cedric Pradalier
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