Hi,
I'm getting an NAN value for some surfaces but not for others. Any
ideas? Both surfaces below were generated using an identical process.
[yi...@schnook sph_sm20]$ pwd
/autofs/space/ventzl_001/users/SUBJECTS_DIR/mano010/bold/EMexec3/sph_sm20
[yi...@schnook sph_sm20]$ mris_fwhm --i e001-rh.bhdr --subject average7
--hemi rh
average7 rh white
Number of vertices 163842
Number of faces 327680
Total area 65350.234375
GroupSurface 0
FIX_VERTEX_AREA 1
AvgVtxArea 0.398861
AvgVtxDist 0.724276
StdVtxDist 0.238694
INFO: bvolumeRead: min = -0.473817, max = 0.363422
Polynomial detrending, order = 0
Computing spatial AR1
ar1mn = 0.995086, ar1std = 0.00271769, ar1max = 0.999702
avg vertex dist 0.724276
avg vertex dist 0.724276
fwhm = 12.150420
[yi...@schnook sph_sm20]$ pwd
/autofs/space/ventzl_001/users/SUBJECTS_DIR/mano016/bold/EMexec3/sph_sm20
[yi...@schnook sph_sm20]$ mris_fwhm --i e001-rh.bhdr --subject average7
--hemi rh
average7 rh white
Number of vertices 163842
Number of faces 327680
Total area 65350.234375
GroupSurface 0
FIX_VERTEX_AREA 1
AvgVtxArea 0.398861
AvgVtxDist 0.724276
StdVtxDist 0.238694
INFO: bvolumeRead: min = -0.749406, max = 1.43625
Polynomial detrending, order = 0
Computing spatial AR1
ar1mn = inf, ar1std = nan, ar1max = inf
avg vertex dist 0.724276
avg vertex dist 0.724276
fwhm = nan
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