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Subject:

Qboot index error

From:

Feihong Liu <[log in to unmask]>

Reply-To:

FSL - FMRIB's Software Library <[log in to unmask]>

Date:

Sat, 6 Oct 2018 00:33:41 +0100

Content-Type:

text/plain

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Parts/Attachments

text/plain (83 lines)

Hi FSL Experts,

I am trying to run qboot on my Diffusion MRI data to generate CSA ODF. And I ran the following command: 

qboot -k data.nii.gz -m nodif_brain_mask.nii.gz -r bvecs -b bvals --model=3 --ns=1 --q=index.txt

The program seems to be running fine, however, once it reaches the end, I get the following error:


186457/186461
186458/186461
186459/186461
186460/186461
186461/186461

An exception has been thrown
Logic error:- detected by Newmat: index error: requested index = 186462

MatrixType = Rect   # Rows = 1; # Cols = 186461

Although I checked the answers to this question and changed my data accordingly, it still does not work. Further detailed information is listed below.

-----------------------------------------

./data
data_type      FLOAT32
dim1           140
dim2           140
dim3           90
dim4           67
datatype       16
pixdim1        1.000000
pixdim2        1.000000
pixdim3        1.000000
pixdim4        1.000000
cal_max        0.0000
cal_min        0.0000
file_type      NIFTI-1+

./nodif_brain_mask
data_type      UINT8
dim1           140
dim2           140
dim3           90
dim4           1
datatype       2
pixdim1        1.000000
pixdim2        1.000000
pixdim3        1.000000
pixdim4        1.000000
cal_max        0.0000
cal_min        0.0000
file_type      NIFTI-1+

 num lines in ./bvals 
1
 num words in ./bvals 
67
 num lines in ./bvecs 
3
 num words in ./bvecs 
201

-----------------------------------------------------

bvales = 5 745 750 755 750 745 750 5 1505 1500 1510 1495 1490 1495 1505 1505 1495 1495 1505 1505 1500 1500 1500 1495 5 2990 3005 2995 3005 3005 2995 3015 3010 2995 3010 3010 2995 2990 3005 3010 3000 3000 3010 3005 3010 3010 3010 2990 3000 3000 3000 2990 3005 3005 3005 3005 2990 3000 3010 3000 2990 2995 3005 2995 2995 3005 3000	

--------------------------

qshell = 7 17 43
or     = 3 6 16 42 does not work

I do not what is wrong. How can I fix this error?



Best Regards,
Feihong

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