We are trying to compute a pial_lgi surface for an average brain.

When we run mris_compute_lgi, we get this error at the mris_fill stage:

conforming output volume
setting resolution for intermediate calculations to 1.0000
reading surface from lh.pial...
reading group avg surface area 1015 cm^2 from file
Reading in average area lh.pial.avg.area.mgh
MatrixMultiply: m1 is null!

Please can you suggest what we need to do to make this work?

Thanks a lot,

Holly Bridge


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Dr Holly Bridge

Royal Society University Research Fellow
FMRIB Centre                            Tel: +44-1865-222582
John Radcliffe Hospital
Headington
Oxford OX3 9DU            Email: h...@fmrib.ox.ac.uk

Lecturer and JRF, New College
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