Hey Markus, Thanks for the detailed instruction. Seems that is indeed the problem. bedpostx_datacheck reports "data dimensions do not match mask dimensions", which confirms the speculation. Thanks again, Rick ----- Original Message ----- From: Markus Gschwind <[log in to unmask]> Date: Monday, October 6, 2008 1:48 pm Subject: Re: [FSL] BEDPOSTX Error (FDT Diffusion) To: Xin Li <[log in to unmask]> > Hi Rick! > > The diff_slices directory gets cleared at the end. Thus, its > existence tells > us that the process is not terminated. > > Please do the following: > 1) change the name of your data directory into bedpostx (the > bedpost process > will create the bedpostx.bedpostX directory from this. > > 2) then going into bedopostx, you type > "bedpostx_datacheck ." (without the "") > > 3) then post this output here, please! > > Cheers, > Markus > > > > 2008/10/6 Xin Li <[log in to unmask]> > > > Hey Markus, > > > > Thanks a lot for your input. That is an excellent point. Could > "too many > > input arguments" actually refer to "too many intermediate brain > mask files" > > in our 4D data.nii.gz? Should one brain mask correspond to only > one data > > slice? Which seems to be the case for intermediate files of FSL > example> data: "data_slice_0000.nii.gz" and > "nodif_brain_mask_slice_0000.nii.gz". Yet > > there are 65 data slices and 160 brain maskes with our data. > > > > Under our data.bedpostX directory, there are 8 files/folders as > shown in > > the attachment: > > 5 files: > > monitor > > commands.txt > > nodif_brain_mask.nii.gz > > bvecs > > bvals > > > > 3 folders: > > logs > > xfms > > diff_slices (the bedpostX directory of FSL sample data doesn't > have this > > folder) > > > > Again, thank you very much for your help. > > > > Rick > > ----- Original Message ----- > > From: Markus Gschwind <[log in to unmask]> > > Date: Monday, October 6, 2008 5:40 am > > Subject: Re: [FSL] BEDPOSTX Error (FDT Diffusion) > > To: [log in to unmask] > > > > > Hi Rick! > > > > > > It seems as besdpostX started correctly, but then found some > double> > names/files in your data ("too many input arguments"). The > > > intermediatefiles that were created are in this context, as > > > normally they are cleared at > > > the end. > > > > > > With your setup (WMVare) I'd expect ~24 hours of bedposting. > Thus, the > > > problem occurs quite at the beginning (25 min). > > > > > > What gives bedpostx_datacheck on your bedpost directory? > > > > > > The second error message (FslData) is normal, dont worry. > > > > > > Hope this helps, > > > Markus > > > > > > > > > > > > > > > 2008/10/5 Xin Li <[log in to unmask]> > > > > > > > Dear FSL Users, > > > > > > > > When I ran BEDPOSTX with FSL feeds sample data (fdt_subj1) and > > > our data, it > > > > prompted > > > > similar error messages as shown in the attachment. BEDPOSTX > > > didn't create > > > > any "merged_[]'' or "mean_[]" files using our data while it > still> > succeeded> with the sample data despite the error message. > > > > > > > > Another interesting thing is that BEDPOSTX did work on our data > > > for ~25 > > > > minutes before giving the error and created some intermediate > > > files in the > > > > same folder as the input files: > > > > > > > > data_slice_0000.nii.gz > > > > ... > > > > data_slice_0065.nii.gz > > > > nodif_brain_mask_slice_0000.nii.gz > > > > ... > > > > nodif_brain_mask_slice_0159.nii.gz > > > > > > > > My system is as below: > > > > > > > > FSL 4.1.0 > > > > CentOS 5 32 bit and VMware Player (FSL-vm5_32). > > > > Windows XP Professional Ver 2002 SP2 > > > > Pentium D CPU 3.46GHz, 2.00GB of RAM > > > > > > > > BEDPOSTX parameters: > > > > Fibres: 2 > > > > Weight: 1 > > > > Burn In: 1000 > > > > > > > > Our data header is also attached. > > > > > > > > > > > > Could anyone please tell me what could cause this and how to > > > resolve it? > > > > > > > > Thank you very much, > > > > > > > > Rick > > > > > > > > > > > > > > > > -- > > > Dr. med. Markus Gschwind, M.D. > > > Laboratory for Neurology and Imaging of Cognition > > > Dept of Neurosciences > > > University Medical Center (CMU) > > > 1 Michel-Servet - 1211 GENEVA - CH > > > > > > Tel 0041 (0) 22 379 5324 > > > Fax 0041 (0) 22 379 5402 > > > email: [log in to unmask] > > > http://labnic.unige.ch > > > > > > PS: Switzerland is a good place for scientists. It is the > origin of > > > specialrelativity (1905) and the World Wide Web (1990), it is > > > associated with 105 > > > Nobel laureates, and boasts the world's highest number of Nobel > > > prizes per > > > capita, the highest number of publications per capita, the highest > > > number of > > > patents per capita, the highest citation impact factor, the > most cited > > > single-author paper, etc. Switzerland also got the highest ranking > > > in the > > > list of happiest countries :-) . > > > > > > > > > > -- > Dr. med. Markus Gschwind, M.D. > Laboratory for Neurology and Imaging of Cognition > Dept of Neurosciences > University Medical Center (CMU) > 1 Michel-Servet - 1211 GENEVA - CH > > Tel 0041 (0) 22 379 5324 > Fax 0041 (0) 22 379 5402 > email: [log in to unmask] > http://labnic.unige.ch > > PS: Switzerland is a good place for scientists. It is the origin of > specialrelativity (1905) and the World Wide Web (1990), it is > associated with 105 > Nobel laureates, and boasts the world's highest number of Nobel > prizes per > capita, the highest number of publications per capita, the highest > number of > patents per capita, the highest citation impact factor, the most cited > single-author paper, etc. Switzerland also got the highest ranking > in the > list of happiest countries :-) . >