The ROS msg IDL only supports 1D arrays. The reshape approach is the correct
approach to ensure compatibility in multiple languages.

 - Ken

On Mon, Jun 14, 2010 at 3:23 PM, Floris van Breugel <florisvb@gmail.com>wrote:

> Hi folks,
>
> Is there a way to publish 2D numpy arrays as messages (using python)? I
> went through the numpy tutorial for rospy but it seems to only work for 1D
> arrays. I suppose one could reshape the 2D array to be 1D, and pass the
> shape as another message, and then reconstruct it on the other side, but
> maybe there's a more efficient way to do it? Or that functionality could be
> added to numpy_msg.py?
> http://www.ros.org/wiki/rospy_tutorials/Tutorials/numpy
>
> Thanks!
>
> - Floris
>
>
>
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> Floris van Breugel
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