[ros-users] Matlab and Ipc issue

Benjamin Cohen bencohen2 at gmail.com
Wed May 25 16:45:17 UTC 2011


Hey Tien,

It seems like your matlab path is screwed up. Can you post your matlab path
here? You can get the path by running "path".


thanks,
-- ben



On Wed, May 25, 2011 at 9:07 AM, Tien Thanh <nttputus at gmail.com> wrote:

> Hi Cohen,
>
> It not worked with me, I can find the example_topic that list in the
> rostopic but the rostopic echo shows nothing and I got an error when execute
> example_publisher.m in Matlab
>
> Warning: Directory access failure: /bin/bash.
> > In path at 110
>   In addpath at 87
>   In example_publisher at 9
> Warning: Name is nonexistent or not a directory: rospack.
> > In path at 110
>   In addpath at 87
>   In example_publisher at 9
> Warning: Name is nonexistent or not a directory: command not found/bin.
> > In path at 110
>   In addpath at 87
>   In example_publisher at 9
> ??? Undefined function or method 'geometry_msgs_Twist' for input arguments
> of type 'char'.
>
> Error in ==> example_publisher at 13
> pid=geometry_msgs_Twist('connect','publisher','example_module','twist');
>
> Thanks for any help.
>
> Best,
> On Wed, May 25, 2011 at 10:27 AM, Nikos Mitsou <nmitsou at lsr.ei.tum.de>wrote:
>
>>
>> Yes, publisher and subscriber are working fine!
>> Thanks for the effort
>> Nikos
>>
>>
>> On 05/23/2011 11:26 PM, Benjamin Cohen wrote:
>>
>> Nikos,
>>
>> Actually, that part of the tutorial is outdated. No bin folders should
>> have been created in those folders. The bin folders should only be created
>> in the *ipc_[...]_msgs* folders such as  ipc_msgs/ipc_geometry_msgs/.
>>
>> I'll update the tutorial. Have you tried the example publisher/subscriber?
>>
>>
>> -- ben
>>
>>
>>
>> On Mon, May 23, 2011 at 4:26 AM, Nikos Mitsou <nmitsou at lsr.ei.tum.de>wrote:
>>
>>>  Hello all
>>>
>>> I tried to install the interoperability system between Matlab and Ros.
>>> (
>>> https://alliance.seas.upenn.edu/~meam620/wiki/index.php?n=Roslab.IpcBridge
>>> )
>>>
>>> I followed the instructions and the compilation of the packages produced
>>> no error.
>>> According to the instructions, bin folders should have been created e.g.
>>> ipc_bridge_ros/bin
>>> ipc_bridge_matlab/bin
>>>
>>> but are actually missing.
>>> Has anyone experienced something similar?
>>>
>>> Thanks
>>>  Nikos
>>>
>>> _______________________________________________
>>> ros-users mailing list
>>> ros-users at code.ros.org
>>> https://code.ros.org/mailman/listinfo/ros-users
>>>
>>>
>>
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>
>
> --
> Tien Thanh Nguyen
>
>
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