New subject: Fwd: Mapping labels to the RH on Macs

30 Sep 2010

    I'm unable to replicate this problem in the mac or on linux,
    using v5.0.
    I'm running a group analysis on the rh, then drawing a lable
    and
    selecting the Map Label to Subject option, and the label2label
    command
    uses 'rh' as the --hemi option for me.

    Can you describe your usage so that I can replicate the
    problem?

    n.


    On Mon, 2010-10-11 at 10:26 -0500, Derin Cobia wrote:
    > I'm experiencing this as well on my Mac OS X distribution of
    FS
    > v5.0.0.  Here is terminal output when running the "Map Label
    to
    > Subjects" command on the rh, with a rh label in QDEC
    (below).  Looks
    > like there is a small bug in the code where it points to the
    left hemi
    > for registration instead of the right ("--hemi lh").
    >
    >
    > -Derin
    >
    >
    > =======================================
    > mri_label2label --srclabel rh_ifg_test --srcsubject
    fsaverage
    > --trgsubject C1a --trglabel rh_ifg_test --regmethod surface
    --hemi lh
    >
    >
    > srclabel = rh_ifg_test
    > srcsubject = fsaverage
    > trgsubject = C1a
    > trglabel = rh_ifg_test
    > regmethod = surface
    >
    >
    > srchemi = lh
    > trghemi = lh
    > trgsurface = white
    > srcsurfreg = sphere.reg
    > trgsurfreg = sphere.reg
    > usehash = 1
    > Use ProjAbs  = 0, 0
    > Use ProjFrac = 0, 0
    > DoPaint 0
    >
    >
    > SUBJECTS_DIR    /Volumes/project/freesurfer/PPA
    > FREESURFER_HOME /Applications/freesurfer
    > Loading source label.
    > Found 7351 points in source label.
    > Starting surface-based mapping
    > Reading source registration
    >
     /Volumes/project/freesurfer/PPA/fsaverage/surf/lh.sphere.reg
    > Rescaling ...  original radius = 100
    > Reading target surface
    >  /Volumes/project/freesurfer/PPA/C1a/surf/lh.white
    > Reading target registration
    >  /Volumes/project/freesurfer/PPA/C1a/surf/lh.sphere.reg
    > Rescaling ...  original radius = 100
    > Building target registration hash (res=16).
    > Building source registration hash (res=16).
    > INFO: found  7351 nlabel points
    > Performing mapping from target back to the source label
    > =======================================
    >
    >
    >
    >
    > On Oct 11, 2010, at 9:51 AM, Tessa Harrison wrote:
    >
    > > Hi FreeSurfers,
    > >
    > >
    > > I posted this question to the listserv a little over a
    week ago--
    > > does anyone have any insight as to what is going on with
    our RH
    > > labels?
    > >
    > >
    > > -Tessa
    > >
    > >
    > >
    > >
    > > ---------- Forwarded message ----------
    > > From: Tessa Harrison <t-harrison@northwestern.edu>
    > > Date: Thu, Sep 30, 2010 at 9:36 AM
    > > Subject: Mapping labels to the RH on Macs
    > > To: freesurfer@nmr.mgh.harvard.edu
    > >
    > >
    > > Dear FreeSurfers,
    > >
    > >
    > > I am running FS 4.5 or FS 5.0 on Mac OS X 10.6.4 -Intel
    (see
    > > attached screenshot).
    > >
    > >
    > > I am not able to map RH labels created in fsaverage to the
    RH of any
    > > of my subjects. LH labels map to the LH from qdec "Map
    Label to All
    > > Subjects" option and from the command line with no
    problem. However,
    > > when I try to map RH labels (that map correctly to the RH
    in
    > > fsaverage) to individual subjects, the command appears to
    work (no
    > > error messages), but something goes wrong. It appears that
    the label
    > > is actually mapped to the LH because when I pull it up on
    the RH in
    > > an individual subject it looks like scattered dots (see
    attached
    > > image).
    > >
    > >
    > > The same thing happens on another Mac in our lab. I have
    tried both
    > > FS 4.5 and 5.0 and the problem occurs in both versions.
    Could this
    > > be a bug in the Mac FS release? I did not find any mention
    of this
    > > problem in the archives.
    > >
    > >
    > > Thank you for you help!
    > >
    > >
    > > -Tessa
    > >
    > >
    > >
    <MacHardware.png><rh_IFG_large_P12a.png>_______________________________________________
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