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Hi - the number of KB an image is isn't normally very useful, as different images may be of different datatypes (int, 16bit int, float etc) so really you need to check these size issues using "avwhd" to check image matrix dimensions. Hope this helps! Steve. On Mon, 21 Jun 2004, Anda van Stegeren wrote: > Hi, > I checked the dimensions of the mask. It is in standard space. > I used the same mask on an other PC, where it worked out fine in Featquery. > I can open the mask in MRICro as well, so i really don't have a clue what to do next. > > The only weird thing that stroke me, but might as well have nothing to do with it, is that in the .gfeat directory there is a bg_image.hdr and a mask.hdr that are both 882 kB in size, > whereas the 'EXPmask' I want to use, which i drew in FSLview, is 1.763 kB. > > And when I enter a coordinate in Featquery (with the EXPmask entered as 'mask') it a mask of 3526 kB (so double the size of my original mask) that is saved in the "Featquery directory" next to the log text "Error - mask size doesn't match any of the images in the FEAT directory". > > Thats about all I can tell. Any help is greatly appreciated... > > Drs. Anda van Stegeren, > University of Amsterdam > Department of Clinical Psychology > Roetersstraat 15 > 1018 WB Amsterdam > The Netherlands > tel. ++ 31 20 525 6799 > fax. ++31 20 639 1369 > E-mail: [log in to unmask] > > > > -----Original Message----- > From: FSL - FMRIB's Software Library [mailto:[log in to unmask]]On > Behalf Of Tim Behrens > Sent: maandag 21 juni 2004 12:23 > To: [log in to unmask] > Subject: Re: [FSL] Featquery question > > > Hi there - > > When you specify a mask for featquery it tries to identify > which space you have drawn the mask in by examining the dimensions of > the mask. I believe the three images it compares with are: > > example_func > highres > standard > > (pls correct me if someone knows better) > > If your mask dimensions do not match the dimensions of any of these three > images > then featquery does not know which transform to apply to your mask before > interrogating the filtered_func_data. > > I guess you should check the image dimensions of your mask against those > of the space in which you are drawing. > > Hope this is clear > > Tim > > ------------------------------------------------------------------------------- > Tim Behrens > Centre for Functional MRI of the Brain > The John Radcliffe Hospital > Headley Way Oxford OX3 9DU > Oxford University > Work 01865 222782 > Mobile 07980 884537 > ------------------------------------------------------------------------------- > > On Sat, 19 Jun 2004, Anda van Stegeren wrote: > > > Hi, > > Since I was confronted with exactly the same message as Kerstin Preuschoff I mailed her. She hadnt been able to send the requested files, but asked me to send mine.. > > > > 1) the report.log file = empty > > 2) the report.txt file says: > > > > Processing FEAT directory 1 : C:/cygwin/data/anda/HLA.gfeat/cope1.feat > > Error - mask size doesn't match any of the images in the FEAT directory > > > > any idea ? > > best regards, > > Anda van Stegeren > > > > Drs. Anda van Stegeren, > > University of Amsterdam > > Department of Clinical Psychology > > Roetersstraat 15 > > 1018 WB Amsterdam > > The Netherlands > > tel. ++ 31 20 525 6799 > > fax. ++31 20 639 1369 > > E-mail: [log in to unmask] > > > > > > ________________________________ > > > > Van: FSL - FMRIB's Software Library namens Stephen Smith > > Verzonden: vr 4-6-2004 4:48 > > Aan: [log in to unmask] > > Onderwerp: Re: [FSL] Featquery question > > > > > > > > Hi - could you send in the report.txt and report.log files for us to look > > at - thanks. > > > > > > On Thu, 3 Jun 2004, Kerstin Preuschoff wrote: > > > > > Hi, > > > > > > when trying to run featquery I get the following message in report.txt > > > > > > Error - mask size doesn't match any of the images in the FEAT directory > > > > > > > > > As a check I took the mask.hdr from the feat-directory itself. That should > > > definitely have the correct image size, right? But I still get the same > > > error message. I also checked the headers for the dim1-3 which all > > > matched. Are there any other constraints for the mask image size that I > > > am not aware of? Is there a min/max number of voxels in the mask? > > > > > > Thanks, > > > Kerstin. > > > > > > -- > > > > > > > > > WW > > > /__\ > > > | oo | _WWWWW_ > > > (|_()_|) / o o \ > > > \__/ (| __O__ |) > > > /|\/|\ \ \___/ / > > > |||||||| /-------\ > > > |||||||| |=========| > > > |||||||| |=========| > > > ################################# > > > Life is too short: CARPE DIEM > > > > > > > > > Kerstin Preuschoff > > > 139-74 > > > California Institute of Technology > > > Pasadena, CA 91125 > > > > > > > Stephen M. Smith DPhil > > Associate Director, FMRIB and Analysis Research Coordinator > > > > Oxford University Centre for Functional MRI of the Brain > > John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK > > +44 (0) 1865 222726 (fax 222717) > > > > [log in to unmask] http://www.fmrib.ox.ac.uk/~steve > > > Stephen M. Smith DPhil Associate Director, FMRIB and Analysis Research Coordinator Oxford University Centre for Functional MRI of the Brain John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve