1dDW_Grad_o_Mat++ change the sign of bvec

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1

I use ‘1dDW_Grad_o_Mat++’ for DTI analysis.

'‘1dDW_Grad_o_Mat++’ just converts the type of bvec, or the sign(+/-) of some values from bvec can be changed?

Jung

2

Hi, Jung-

That program does a number of things:
https://afni.nimh.nih.gov/pub/dist/doc/htmldoc/FATCAT/DealingWithGrads.html

And it sounds like you might be interested in gradient flipping? See here:
https://afni.nimh.nih.gov/pub/dist/doc/htmldoc/FATCAT/GradFlipTest.html#gradfliptest

–pt