Are you trying to view it in the volume or the surface? When I run 
freeview viewing the surface and load the label using the "Load Label" 
button (not File->LoadLabel), it works  for me.

Can you try the tksurfer command below? It runs for me. You can ignore 
the warning about 0 nonzero vertices since they are all set to 1.


tksurfer fsaverage lh inflated -label ~/tmp/lh_binarymap_area_covar8.label
subject is fsaverage
hemi    is lh
surface is inflated
surfer: current subjects dir: 
/autofs/cluster/con_009/users/greve/ixi-subjects
surfer: not in "scripts" dir ==> using cwd for session root
surfer: session root data dir ($session) set to:
surfer: /autofs/cluster/con_009/users/greve/ixi-subjects/ixi320/mri
checking for nofix files in 'inflated'
Reading image info 
(/autofs/cluster/con_009/users/greve/ixi-subjects/fsaverage)
Reading 
/autofs/cluster/con_009/users/greve/ixi-subjects/fsaverage/mri/orig.mgz
surfer: Reading header info from 
/autofs/cluster/con_009/users/greve/ixi-subjects/fsaverage/mri/orig.mgz
surfer: vertices=163842, faces=327680
surfer: curvature read: min=-0.673989 max=0.540227
surfer: single buffered window
surfer: tkoInitWindow(fsaverage)
setting percentile thresholds (-1.00, 0.00, 0.00)
loading label /homes/4/greve/tmp/lh_binarymap_area_covar8.label
reading white matter vertex locations...
********************      0 nonzero vertices found ********************
label stat field identically zero - setting to 1
surfer: using interface 
/autofs/space/tanha_002/users/greve/fsdev.build/tktools/tksurfer.tcl
Reading 
/autofs/space/tanha_002/users/greve/fsdev.build/tktools/tkm_common.tcl
Reading 
/autofs/space/tanha_002/users/greve/fsdev.build/tktools/tkm_wrappers.tcl
Reading 
/autofs/space/tanha_002/users/greve/fsdev.build/lib/tcl/fsgdfPlot.tcl
Reading /autofs/space/tanha_002/users/greve/fsdev.build/tktools/tkUtils.tcl
Successfully parsed tksurfer.tcl
reading white matter vertex locations...



On 07/15/2014 09:04 AM, Lars M. Rimol wrote:
> Hi,
>
> I go to File -> Label -> load label  and there I pick 
> lh_binarymap_area_covar8.label and then I get the error message:
>
>
> % ********************      0 nonzero vertices found ********************
> label stat field identically zero - setting to 1
>
>
> That's it!
>
> I don't know, but it seems to be saying that all vertices are zero, 
> doesn't it?
>
> When I cat the file, I see this:
>
> 163839  -34.195  -22.897  -24.093 0.0000000000
>
> 163840  -34.295  -23.062  -23.449 0.0000000000
>
> 163841  -35.093  -23.358  -22.788 0.0000000000
>
> The leftmost column surely is vertex number, I don't know what the 
> next two are (if this were a volume, I'd say x,y,z coordinates) and if 
> the final column is the value of each vertex, I would have to agree 
> with tksurfer that there are no nonzero vertices.
>
> When I load the mgh file, thogh, it has some zero vertices and 98877 
> that are 100, that is they are larger than 99.999999999999992.
>
> >> size(find(gt(testing,99.999999999999992)))
>
> ans =
>
>        98877           1
>
>
> Here's the code I used to make the binary map and save it as an mgh file:
>
> log10pID = significance threshold
>
> binaryVLBWlhcovar8(find(gt(binaryVLBWlhcovar8,log10pID))) = 100; 
> binaryVLBWlhcovar8(find(lt(binaryVLBWlhcovar8,log10pID))) = 0;
>
> fs_save_mgh(binaryVLBWlhcovar8,'lh_binarymap_area_covar8.mgh',mri);
>
>
> So mri_cor2label must be changing some of these vertices from 
> 99.99999etc. to 0, right?
>
>
> LMR
>
>
>
> On Mon, Jul 14, 2014 at 7:33 PM, Douglas N Greve 
> <gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>> wrote:
>
>
>     It loads ok for me both in 5.1 and 5.3. Can you give more info on
>     what is going wrong with tksurfer?
>
>
>     On 07/13/2014 05:35 AM, Lars M. Rimol wrote:
>
>         Hi Doug,
>
>         I'm having some problems with the label creation again. When I
>         run mri_cor2label, it seems OK (please see below), but when I
>         try to open it in tksurfer, it gives me an error message (bottom).
>
>         Would you mind taking a look at this label to see what's wrong
>         with it? I'm attaching the binary mgh file and the label. NB!
>         The binary .mgh file is from matlab, where I have set all
>         suprathreshold vertices to 100 and all others to 0. Of course,
>         Matlab doesn't really do this, it sets them to somewhere close
>         to 99.999999999999992. I don't suppose I could use "greater
>         than 99" in mri_cor2label?
>
>         #########
>         creating label:
>
>         [LMR in ~ ] mri_cor2label --i
>         
> /home/lmr/ANALYSIS/STUDIER/VMI_Kam_103/OUTDIR/binary_pmaps/lh_binarymap_area_covar8.mgh
>         --id 100 --l
>         
> /home/lmr/ANALYSIS/STUDIER/VMI_Kam_103/OUTDIR/binary_pmaps/lh_binarymap_area_covar8
>         --surf fsaverage lh
>         $Id: mri_cor2label.c,v 1.12 2011/03/02 00:04:14 nicks Exp $
>         Loading mri
>         
> /home/lmr/ANALYSIS/STUDIER/VMI_Kam_103/OUTDIR/binary_pmaps/lh_binarymap_area_covar8.mgh
>         Loading /home/lmr/subjects/fsaverage/surf/lh.white
>         Scanning the volume
>         Found 98877 label voxels
>         Writing label file
>         
> /home/lmr/ANALYSIS/STUDIER/VMI_Kam_103/OUTDIR/binary_pmaps/lh_binarymap_area_covar8
>         Centroid: -28.93  -15.97   10.14
>         mri_cor2label completed SUCCESSFULLY
>
>         #######
>         loading it in tksurfer:
>
>         % ********************      0 nonzero vertices found
>         ********************
>         label stat field identically zero - setting to 1
>
>
>
>         Thank you!
>
>         -- 
>         yours,
>
>         Lars M. Rimol, PhD
>         St. Olavs Hospital
>         Trondheim,
>         Norway
>
>
>     -- 
>     Douglas N. Greve, Ph.D.
>     MGH-NMR Center
>     gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>
>     Phone Number: 617-724-2358 <tel:617-724-2358>
>     Fax: 617-726-7422 <tel:617-726-7422>
>
>     Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
>     <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting>
>     FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
>     www.nmr.mgh.harvard.edu/facility/filedrop/index.html
>     <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html>
>     Outgoing:
>     ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/
>
>
>
>     The information in this e-mail is intended only for the person to
>     whom it is
>     addressed. If you believe this e-mail was sent to you in error and
>     the e-mail
>     contains patient information, please contact the Partners
>     Compliance HelpLine at
>     http://www.partners.org/complianceline . If the e-mail was sent to
>     you in error
>     but does not contain patient information, please contact the
>     sender and properly
>     dispose of the e-mail.
>
>
>
>
> -- 
> yours,
>
> Lars M. Rimol, PhD
> St. Olavs Hospital
> Trondheim,
> Norway

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
www.nmr.mgh.harvard.edu/facility/filedrop/index.html
Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

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