[IGSTK-Developers] Re: [Fwd: Re: Example application -OneViewAndTrackingUsingMicronTracker]

Luis Ibanez luis.ibanez at kitware.com
Wed Oct 3 15:20:10 EDT 2007


Patrick,

    Is this using the code in the Sandbox ?
    or the code in the main IGSTK ?


Andinet:

    Can we take a look at this problem ?

    Do you have a running example that illustrates
    the issue ?


   Thanks


       Luis


---------------------------
Andinet Enquobahrie wrote:
> 
> 
> -------- Original Message --------
> Subject:     Re: Example application -OneViewAndTrackingUsingMicronTracker
> Date:     Wed, 03 Oct 2007 14:18:18 -0400
> From:     Patrick Cheng <cheng at isis.georgetown.edu>
> To:     Andinet Enquobahrie <andinet.enqu at kitware.com>
> References:     <4703BBB6.2070707 at kitware.com>
> 
> 
> 
> Hi Andinet,
> 
> The object is not showing because of the changes made to 
> igstkObjectRepresentation class. Luis made the actor->VisibilityOff() 
> when its first added to the scene. I tested it before, his new 
> dual-statemachine solution seemed to solve the problem. But it might 
> also be connect to the WorldCoordinateSystemReference Luis was 
> originally trying to incorporate.
> 
> If you comment out line 113 in
> IGSTKSandbox/IGSTK/Source/igstkObjectRepresentation.cxx
> 
> You should be able to see the visualization in the window.
> 
> But the object is still not moving, I guess it's due to the recent 
> changes to Tracker and TrackerTool.
> 
> I think I need to talk to Luis to get the Tracker and SpatialObject sort 
> out before we can testing other components.
> 
> Thank you,
> 
> Patrick
> 
> 
> Andinet Enquobahrie wrote:
> 
>> Patrick-
>>
>> To simplify the validation task, one thing you can do is add a static
>> AxesObject to the view. This axes object can be oriented parallel to
>> the Tracker camera coordinate system.
>>
>> Note that positions and orientation measurements are reported with
>> respect to the Tracker camera coordinate system,
>>
>> So, adding a visualization of the camera coordinate system will make 
>> it so
>> much easier  to visually verify that the code is accessing the correct
>> transforms of the tracker tools.
>>
>> To get some insight on how to add the coordinate system ,
>> take a look at the test programs that Luis recently added  with
>> AxesSpatialObject visualization.
>>
>> -Andinet
>>
>>
>>
>>
>>
> 
> 
> 
> 



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