[Motmot] Fview color question

[Andrew Straw]

Hi James,

The YUV422 and YUV411 color modes should work. If they don't, can you send the error message associated with them?

Thanks,
Andrew

On Mon, 14 Jun 2010 19:23:42 -0700, James Waters <james.waters at asu.edu> wrote:
> Andrew,
> 
> Here are a few screen captures of what I'm looking at.
> 
>   james
> 
> On Mon, Jun 14, 2010 at 6:56 PM, Andrew Straw <astraw at caltech.edu> wrote:
>> Hi james, can you copy exactly the color coding string and email it? In
>> general, fview records in color just fine, just the display doesn't
> (yet)
>> show color.
>>
>> - Andrew
>>
>> ----- Original message -----
>>> We need to record video of ant colonies in FView that will be used for
>>> two things, 1) Ctrax tracking, and 2) 'manual' frame by frame
>>> behavioral observations.  That second project requires that the ants
>>> be individually marked with color dots -- so we need to record color
>>> video.
>>>
>>> We're using a PtGrey Flea2 and Ubuntu 10.04 and all the latest
>>> releases.  When initializing the camera and choosing a ...MONO8 video
>>> mode, it works, but this is grayscale.  We get the following error
>>> message when trying to initialize the camera using any RGB video mode:
>>>
>>> Error opening camera
>>> mega backend error (/build/buildd/libcamiface - 0.5.8/src/
>>> cam_iface_mega.c 305): /build/buildd/libcamiface-0.5.8/src/
>>> cam_iface_dc1394.c (1118): Currently unsupported color coding
>>>
>>> Here is the fview.log:
>>>
>>> /usr/lib/pymodules/python2.6/motmot/cam_iface/choose.py:14:
>>> UserWarning: only mega backend supported
>>>    warnings.warn('only mega backend supported')
>>> /usr/lib/pymodules/python2.6/motmot/cam_iface/choose.py:14:
>>> UserWarning: only mega backend supported
>>>    warnings.warn('only mega backend supported')
>>> Traceback (most recent call last):
>>>    File "/usr/lib/pymodules/python2.6/motmot/fview/fview.py", line
>>> 1702, in OnUpdateROIPanel
>>>        result=self._get_lbrt()
>>>    File "/usr/lib/pymodules/python2.6/motmot/fview/fview.py", line
>>> 1689, in _get_lbrt
>>>        return self._mainthread_roi
>>> AttributeError: 'App' object has no attribute '_mainthread_roi'
>>> Exception in thread Thread-1:
>>> Traceback (most recent call last):
>>>    File "/usr/lib/python2.6/threading.py", line 532, in
> __bootstrap_inner
>>>        self.run()
>>>    File "/usr/lib/python2.6/threading.py", line 484, in run
>>>        self.__target(*self.__args, **self.__kwargs)
>>>    File "/usr/lib/pymodules/python2.6/motmot/fview/fview.py", line
> 193,
>>> in grab_func
>>>        cam.start_camera()
>>>    File
>>> "/usr/lib/pymodules/python2.6/motmot/cam_iface/cam_iface_ctypes.py",
>>> line 356, in start_camera      _check_error()
>>>    File
>>> "/usr/lib/pymodules/python2.6/motmot/cam_iface/cam_iface_ctypes.py",
>>> line 292, in _check_error      raise exc_type(err_str)
>>> CamIFaceError: /build/buildd/libcamiface-0.5.8/src/cam_iface_dc1394.c
>>> (1215): libdc1394 err -1: Generic failure
>>>
>>>
>>> Is there any chance there is a quick fix for this?  If color recording
>>> is not possible with this camera in FView at this time... can you
>>> recommend any other programs?  If we absolutely had to, we could
>>> record grayscale video in FView for use with Ctrax and then record a
>>> second video in color in another program for the other
>>> (color-necessary) analysis... but it would be really preferable to
>>> have these data come from the same source video.
>>>
>>> Thanks for your help!
>>>
>>>    James
>>>
>>> --
>>> ________________________
>>> School of Life Sciences
>>> Arizona State University
>>> PO Box 874601
>>> Tempe, AZ 85287-4601
>>> cell: (480) 388-0728
>>> http://solsgrads.asu.edu/waters
>>>
>>
>>
> 
> 
> 
>