Connectome Workbench can write a label table into a NIFTI volume via a header extension: wb_command -volume-label-import
Peace, Matt. On 5/25/13 4:38 PM, "[email protected]" <[email protected]> wrote: >This is trickier, because there is no standard file format that specifies >label mappings for volumes, as far as I know. (Please inform me if there >is!) There is a WashU way to specify it in ifh files, so if you have a >paint mapping, you can use Attributes: Paint and project your surface >paint to a volume. Then save the resulting paint volume in WashU 4dfp.ifh >format. > >Then you can see how it maps it in the ifh header, which is ASCII. If >memory serves, the indices are two off from what they really are in the >volume (e.g., voxels it says are 2 are really 0). > >Then you can open *your* label volume as a volume anatomy; save it in ifh >format; and edit the ifh to add the index:paint-name mappings. Increment >the actual intensities by 2, if that's what the format wants. Once you've >added the label:name mappings, open the volume as a Volume Paint file. > >Your area color file needs to map paint names to RGB -- not paint indices. > If there aren't too many of them, you can do this in Caret. > >You can map the volume as paint without going through all this, but it >will name your labels unnamed1, unnamed2, etc. as far as I know. > >I hope someone knows an easier way. > > >> Hi - >> >> I have: >> >> 1) a file that maps integers to RGB triplets >> 2) a file that maps the same integers to names >> 3) a volume of unsigned char format, in which each value is one of those >> integers (ie a paint volume) >> >> >> I want to map that paint volume to the surface, and have the resulting >> paint file reflect the RGB triplets and the region names. the integer to >> RGB to name relationship is constant. >> >> but, the interplay between paint files and area color files has always >> confused me a bit so before I write any scripts I want to be sure I get >>it >> right. >> >> best, >> >> Colin >> _______________________________________________ >> caret-users mailing list >> [email protected] >> http://brainvis.wustl.edu/mailman/listinfo/caret-users >> > > >_______________________________________________ >caret-users mailing list >[email protected] >http://brainvis.wustl.edu/mailman/listinfo/caret-users _______________________________________________ caret-users mailing list [email protected] http://brainvis.wustl.edu/mailman/listinfo/caret-users
