Your nameservice is not responding. Have you tried to rest it? Are the network settings correct? You should also check if orops is working.<br><br>Greets Alex <br><br>Christoph Mueller <christoph.mueller@dfki.de> schrieb:<br><br>
<div>
Currently checking this fix let me run into a CORBA system Exception.
</div>
<div>
 
</div>
<div>
Simple run script:
</div>
<div>
 
</div>
<div>
   4 require 'orocos'
<br/>  5 require 'vizkit'
<br/>  6 include Orocos
<br/>  7 Orocos::CORBA.call_timeout = 40_000
<br/>  8 Orocos::CORBA.connect_timeout = 10_000
<br/>  9 Orocos.name_service << Orocos::CORBA::NameService.new("10.250.8.24")
<br/> 10 Orocos.initialize
<br/> 11
<br/> 12 camera = TaskContext.get 'payloaditem_3_cam_emi'
<br/> 13
<br/> 14 Vizkit.display camera.frame
<br/> 15 Vizkit.exec
<br/>
<br/>
</div>
<div>
<br/>Output:
</div>
<div>
 
</div>
<div>
Vizkit[WARN]: Corba call timout is set to 40000 and connect timeout to 10000
<br/>Vizkit[WARN]: This might block your script during connection problems.
<br/>Vizkit[WARN]: ReaderWriterProxy: error while proxing the port: CORBA system exception
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:517:in `do_task_context_names'
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:517:in `names'
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/corba.rb:102:in `refine_exceptions'
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:516:in `names'
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:309:in `names'
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:308:in `collect'
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:308:in `names'
<br/>Vizkit[WARN]:   /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:45:in `task_names'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:608:in `reachable?'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:89:in `__reader_writer'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:51:in `initialize'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:205:in `initialize'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:429:in `new'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:429:in `reader'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/oqconnection.rb:53:in `initialize'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/oqconnection.rb:204:in `new'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/oqconnection.rb:204:in `connect_to_widget'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/oqconnection.rb:220:in `connect_to'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/vizkit.rb:53:in `setup_widget'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/vizkit.rb:77:in `widget_from_options'
<br/>Vizkit[WARN]:   /stuff/chris/gui/vizkit/ruby/lib/vizkit/vizkit.rb:92:in `display'
<br/>Vizkit[WARN]:   display_remote_camera.rb:14
<br/>/stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:517:in `do_task_context_names': CORBA system exception (Orocos::CORBAError)
<br/>    from /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:517:in `names'
<br/>    from /stuff/chris/tools/orocos.rb/lib/orocos/corba.rb:102:in `refine_exceptions'
<br/>    from /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:516:in `names'
<br/>    from /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:309:in `names'
<br/>    from /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:308:in `collect'
<br/>    from /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:308:in `names'
<br/>    from /stuff/chris/tools/orocos.rb/lib/orocos/name_service.rb:45:in `task_names'
<br/>    from /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:608:in `ping'
<br/>    from /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:540:in `__reconnect'
<br/>    from /stuff/chris/gui/vizkit/ruby/lib/vizkit/task_proxy.rb:562:in `__change_name'
<br/>    from /stuff/chris/gui/vizkit/ruby/lib/vizkit/vizkit.rb:135:in `exec'
<br/>    from display_remote_camera.rb:15
<br/>
<br/>
</div>
<div>
Chris
</div>
<div>
 
</div>
<div>
<br/>Alexander Duda <Alexander.Duda@dfki.de> hat am 16. November 2012 um 16:34 geschrieben:
<br/>> On 11/16/2012 12:07 PM, Chris Mueller wrote:
<br/>> > Hi,
<br/>> >
<br/>> > i have currently some problems with the camera widget used through
<br/>> > scripting via vizkit.
<br/>> >
<br/>> > 1) It always shows a black image through (tested on 640x320 and 320x240
<br/>> > configured camera tasks)
<br/>> >
<br/>> > camera = TaskContext.get 'task'
<br/>> > Vizkit.display camera.frame
<br/>> >
<br/>> > 2) if i pickup the corresponding data with:
<br/>> >
<br/>> > 19 frame_reader = camera.frame.reader :type => :buffer, :size => 10
<br/>> > 20
<br/>> > 21 while true
<br/>> > 22 sample = frame_reader.read
<br/>> > 23
<br/>> > 24 if sample
<br/>> > 25 puts "#{sample.time}, #{sample.image.size}"
<br/>> > 26 end
<br/>> > 27 end
<br/>> >
<br/>> > Output:
<br/>> > 2012-11-16 12:02:15 +0100, 24290
<br/>> > 2012-11-16 12:02:15 +0100, 24290
<br/>> > 2012-11-16 12:02:15 +0100, 24290
<br/>> > 2012-11-16 12:02:15 +0100, 24290
<br/>> > 2012-11-16 12:02:15 +0100, 24290
<br/>> > ...
<br/>> >
<br/>> > Therefore the image data should be received successfully to my local
<br/>> > machine.
<br/>> >
<br/>> > 3) It worked 2-3 weeks ago where the camera widget has been popped up
<br/>> > two times sequencely at start up. One has shown the correct image.
<br/>> > The other one has been closed immediately.
<br/>> >
<br/>> > Chris
<br/>> solved on master.
<br/>> thx for the report
<br/>>
<br/>> Alex
<br/>>
<br/>
<br/>
</div>