[slicer-users] Lb invalid tag

Steve Pieper pieper at bwh.harvard.edu
Fri Dec 17 20:31:19 EST 2010


yes, as Andrey points out, the selected colormap doesn't have anything 
defined for those numerical values.  You probably want to go into the 
Volumes module, select the label map, and pick the FreeSurfer Labels 
color table to get the mapping from numbers to the standard freesurfer 
names and colors.

Best,
Steve

On 12/17/2010 07:36 PM, Andriy Fedorov wrote:
> I think this may be because the colormap assigned to our label volume
> does not have a color for that particular label value.
>
> On Fri, Dec 17, 2010 at 19:18, Panagiotis Foteinos<pafotein at gmail.com>  wrote:
>> Hello all.
>>
>> I open a multi-labeled mha brain image and I see something I do not
>> understand.
>>
>> When I drag the mouse on a brain slice, the lower left corner of Slicer
>> reads "Lb: 608 invalid" or generaly "Lb:<a positive number>  invalid". What
>> does "invalid" mean? Why are there two components for the attribute "Lb"
>> (i.e., one that states the label number and one that states "invalid")? How
>> should I interpret it?
>>
>> I also observed that when I drag the mouse on the surface of a brain slice,
>> I do not have any problem: Slicer reads "Lb:<a positive number>" without
>> any "invalid" component.
>>
>> Does someone have an idea?
>>
>>
>> Best Regards,
>> Panagiotis Foteinos
>>
>>
>>
>>
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