[Camino-users] Problem in running tutorial using dtfit

[Philip A Cook]

33 components sounds right for 32 DWI + 1 b=0. So I suspect the problem is with the scheme file

On May 19, 2014, at 8:10 PM, apisheh <apisheh at yahoo.com> wrote:

> Dear All,
>  
> I am trying to run the tutorial which used dtfit. When I execute:
>  
> dtfit dwi.nii.gz dwi.scheme -outputfile dt.Bdouble
>  
> I get the following error.
>  
> May 18, 2014 11:33:59 PM misc.LoggedException logException
> SEVERE: Exception in thread "main" class misc.LoggedException: Expected 36 components but file has 33
>      at data.ExternalDataSource.getDataSource(ExternalDataSource.java:308)
>      at tools.CL_Initializer.initDataSynthesizer(CL_Initializer.java:2147)
>      at apps.ModelFit.initOptions(ModelFit.java:62)
>      at apps.Executable.<init>(Executable.java:24)
>      at apps.ModelFit.<init>(ModelFit.java:50)
>      at apps.EntryPoint.getExecutable(EntryPoint.java:142)
>      at apps.EntryPoint.main(EntryPoint.java:282)
>  
> Exception in thread "main" misc.LoggedException: Expected 36 components but file has 33
>      at data.ExternalDataSource.getDataSource(ExternalDataSource.java:308)
>      at tools.CL_Initializer.initDataSynthesizer(CL_Initializer.java:2147)
>      at apps.ModelFit.initOptions(ModelFit.java:62)
>      at apps.Executable.<init>(Executable.java:24)
>      at apps.ModelFit.<init>(ModelFit.java:50)
>      at apps.EntryPoint.getExecutable(EntryPoint.java:142)
>      at apps.EntryPoint.main(EntryPoint.java:282)
>  
> I used dcm2nii in order to get NifTi file, the bvalues, and bvectors. I also used pointset2scheme for making a scheme file. However, I don’t know why the number of gradient direction should be 36. The machine that we have utilizes 32 directions. Could someone help me with the above exception error?
>  
> Thanks.
> 
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