[Robotics] Middlewares: the sequel

[Campbell Barton]

to answer one of your questions, BGL in 2.5 is a toplevel module. eg.
 import BGL

On Mon, Sep 21, 2009 at 6:31 AM, Gilberto Echeverria
<gilberto.echeverria at laas.fr> wrote:
> Hi Benoit,
>
> We are currently trying to implement a stereo camera sensor. As you
> mentioned there are no python sensors at the moment, so our current
> approach is to use the Game Engine sensors connected to a python Controller.
>
> The way we're trying to implement the stereo camera is by having two
> Blender camera objects on the robot, plus the scene camera. We want to
> generate screen captures of what the cameras on board the robot see, but
> without changing the users's view of the scene. As in Severin's example,
> we can capture a portion of the Blender screen using glReadPixels, but
> this requires the view from the robot camera to be shown on-screen. So
> what we need is to do off-screen rendering of the additional cameras.
> I'm looking at how this can be done in Blender 2.5.
>
>  From the other threads I see that Blender 2.5 no longer includes the
> Blender module. So where can I now find the BGL or equivalent module to
> make use of OpenGL functions? Is there any documentation available at
> the moment?
>
> Cheers
> Gilberto
>
>
> Benoit Bolsee wrote:
>> Nice stuff! I see clearly how it will work for controllers but what
>> about sensors? There is currently no 'python' sensor. Of course you can
>> always replace a sensor by a python controller running for each frame
>> and doing some detection work.
>>
>> But for performance reason you might want to implement some C++ sensors.
>> It's fairly easy to simulate a camera sensor: all the code necessary to
>> render the scene from a camera object is present in the GE. It just
>> needs to be put together. Using OGL filters, you could even simulate
>> noise, black&white camera, etc. It would even be possible to simulate a
>> ultrasonic or radar sensor by processing the Zbuffer.
>>
>> /benoit
>>
>>
>>> -----Original Message-----
>>> From: robotics-bounces at blender.org
>>> [mailto:robotics-bounces at blender.org] On Behalf Of Séverin Lemaignan
>>> Sent: mardi 15 septembre 2009 9:57
>>> To: Blender and Robotics
>>> Subject: [Robotics] Middlewares: the sequel
>>>
>>>
>>> Hello everyone,
>>>
>>> I've put on the wiki the current state of our design ideas for a
>>> component-based, middleware independent, simulator (check the
>>> two last
>>> sections on this page
>>> http://wiki.blender.org/index.php/Robotics:Simulators/OpenRobots).
>>>
>>> We are currently implementing first examples of such components
>>> (starting with a GPS and a simple mobile robot), but it's still at
>>> drafting stage, and your reviews are very welcome.
>>>
>>> It would be especially interesting to think of how to
>>> integrate what has
>>> been done on the arm in this workflow (if it's relevant). I'm also
>>> interested in Stefaan views regarding the possible use of channels
>>> within the component specification.
>>>
>>> By the way, we have a meeting tomorrow at LAAS-CNRS and ONERA
>>> to update
>>> the roadmap. We'll keep you posted, but the target for a
>>> first, usable
>>> release of the OpenRobots simulator is likely to be mid-march.
>>>
>>> Best regards,
>>> Severin
>>>
>>>
>>
>> _______________________________________________
>> Robotics mailing list
>> Robotics at blender.org
>> http://lists.blender.org/mailman/listinfo/robotics
>>
>
> _______________________________________________
> Robotics mailing list
> Robotics at blender.org
> http://lists.blender.org/mailman/listinfo/robotics
>



-- 
- Campbell