[slicer-users] FW: NeuroNav (patient coordinates)

Haiying Liu hliu at bwh.harvard.edu
Wed Mar 3 13:06:49 EST 2010


Hi Stella,

I just checked in a fix in NeuroNav, which allows users to get RAS 
coordinates in the Green slice window by mouse click.

Best,


Haiying

stella ang wrote:
> Hi Haiying,
>
> Regarding the coronal view, what's the issue with this particular 
> version of Slicer?
>
> Another thing I wish to check is:
>
> When I registered the points and a NeuroNav Tracker Matrix appeared, 
> does my locator link to this matrix or the reference frame?
>
> Does this configuration affects the speed output?
>
> Another thing I realised, is when the Slicer3 does not have the mrml 
> image uploaded on the screen, the tracker actually response much faster.
>
> So could it be due to memory space 'overlapping' that cause the lag?
>
> Thanks for your assistance.
>
> Stella
>
> ------------------------------------------------------------------------
> From: sahsi85 at hotmail.com
> To: hliu at bwh.harvard.edu
> Subject: RE: [slicer-users] NeuroNav (patient coordinates)
> Date: Wed, 10 Feb 2010 22:16:07 +0800
>
> Hi Haiying,
>
> I'm using slicer3-3.4-2009-05-21-win32.exe. Thanks for checking.
>
> Stella
>
> > Date: Wed, 10 Feb 2010 08:29:35 -0500
> > From: hliu at bwh.harvard.edu
> > To: sahsi85 at hotmail.com
> > Subject: Re: [slicer-users] NeuroNav (patient coordinates)
> >
> > Hi Stella,
> >
> > Please check my answers below:
> >
> > stella ang wrote:
> >
> > > Hi Haiying,
> > >
> > > Thanks. Managed to do it.
> > >
> > > However, of the image coordinates, I can only tap on points from axial
> > > and saggital views. At coronal view, the points cannot be
> > > detected/clicked on. Why is that so?
> >
> >
> > Which version of Slicer3 are you using? I'll double check that.
> >
> > >
> > > Another thing is : when one clicks on 'register', is there suppose to
> > > be some sort of indication that it is registered properly?
> >
> > You will have a new transform node added to the MRML tree. Drag your
> > locator to that transform node. Make your locator in Slicer visible.
> > Touch some landmarks on your "patient" using your Aurora probe and see
> > what the locator points in Slicer.
> >
> > >
> > > Do you know if I wish to orient the probe to certain dimensions (e.g
> > > set the head and tip of probe to be different), how do I go about
> > > doing it?
> >
> > Don't know what you mean.
> >
> > >
> > > Thanks for your help.
> > >
> > > Regards,
> > > Stella
> > >
> > > > Date: Mon, 8 Feb 2010 23:33:09 -0500
> > > > From: hliu at bwh.harvard.edu
> > > > To: sahsi85 at hotmail.com
> > > > CC: slicer-users at bwh.harvard.edu
> > > > Subject: Re: [slicer-users] NeuroNav (patient coordinates)
> > > >
> > > > Hi Stella,
> > > >
> > > > Another thought:
> > > > If your Aurora is properly connected with Slicer3, you will find a
> > > > transform node is added into the MRML tree. Find the name of the
> > > > transform node and input it into the text entry of "Input 
> (Transform)
> > > > Node Name. The patient's coordinates will be retrieved from this
> > > > transform node.
> > > >
> > > > Haiying
> > > >
> > > > hliu wrote:
> > > > > Hi Stella,
> > > > >
> > > > > If you can see the value changes in the transform node, it 
> seems your
> > > > > Aurora is well connected with Slicer3. To get patient's
> > > coordinates, point
> > > > > your probe to the location you want to get values and then 
> press "Get"
> > > > > button inside the Registration tab in NeuroNav module.
> > > > >
> > > > >
> > > > > Haiying
> > > > >
> > > > > On Mon, 8 Feb 2010 16:48:00 +0800, stella ang
> > > <sahsi85 at hotmail.com> wrote:
> > > > >
> > > > >> Hi all,
> > > > >>
> > > > >>
> > > > >>
> > > > >> I have managed to link Aurora into Slicer 3 (the tracker can 
> be seen
> > > > >> moving in the Slicer 3), and the next step I wish to perform is
> > > > >> registration using NeuroNav module.
> > > > >>
> > > > >>
> > > > >>
> > > > >> Somehow the patient's coordinates cannot be detected, despite 
> in the
> > > > >> Transforms module, the coordinates (of reference frame) are 
> moving.
> > > > >>
> > > > >>
> > > > >>
> > > > >> Attached is a screenshot of the current status of the 
> development and
> > > > >> issue I faced.
> > > > >>
> > > > >>
> > > > >>
> > > > >> Wondering could it be due to the building of IGSTK or the 
> settings of
> > > > >>
> > > > > MRML
> > > > >
> > > > >> tree of Data module, that cause the problem?
> > > > >>
> > > > >>
> > > > >>
> > > > >> Hope to seek some assistance. Thanks.
> > > > >>
> > > > >>
> > > > >>
> > > > >> Regards,
> > > > >>
> > > > >> Stella
> > > > >>
> > > > >> _________________________________________________________________
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> > >
> > > 
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