Loading ...
Sorry, an error occurred while loading the content.

Re: extraction of 2D data according to non linear sampling schedule

Expand Messages
  • xqtang2011
    Dear all£¬ I met the same condition as Ratan posted two years ago.Is there anyone have tips? Thanks in advance. tang
    Message 1 of 5 , Jun 27, 2012
    • 0 Attachment
      Dear all£¬
      I met the same condition as Ratan posted two years ago.Is there anyone have tips?
      Thanks in advance.
      tang

      --- In nmrpipe@yahoogroups.com, "Ratan" <ratancbmr@...> wrote:
      >
      > Hello,
      > i have extractd the data as it is given here.
      > But it does't solve my problem. we have recorded the data
      > with uniform sampling shedule and from this i have to extract the
      > data which has Nonuniform sampling schedule(NUS). we have used the script as follows.
      >
      > nusSort.tcl -sample test.hdr -par test.par -in test.fid -out sort.fid -noexpand
      >
      > but with this schedule the extracted data does not follow the sampling schedule.suppose we have recorded the data with 256 t1
      > increment and we wanted only 64 t1 point by NUS schedule then this above will provide first intial 64 t1 point. We are interested in extracting only those t1 points which are according to non linear sampling schedule.Can you tell is there any modification needed to
      > do this job.
      >
      > Thanks
      > Ratan
      >
      >
      >
      > --- In nmrpipe@yahoogroups.com, Frank Delaglio <delaglio@> wrote:
      > >
      > >
      > >
      > > Greetings ...
      > >
      > > Ok, first, it might be interesting for you to note that NMRPipe
      > > has more than one method for reconstruction of Non-Uniform Sampled
      > > Data (NUS) ... there are examples "nusdemo2d" and "nusdemo3d" at the
      > > NMRPipe download site. The "README" files in these examples might
      > > be helpful too.
      > >
      > > There are many ways one could take an "ordinary" 2D FID and
      > > re-arrange it. In this case, I would recommend using the same
      > > sorting tool that we use for re-arranging NUS data to "ordinary" data ...
      > > the script called "nusSort.tcl".
      > >
      > > In this case, the script would take a "normal" NMRPipe-format FID as
      > > input, and also two text files. One text file would specify a list of
      > > integers corresponding to the complex t1 increments to keep, the first
      > > increment
      > > being "0" (zero). The other text file would simply have the parameter
      > > text "NDIM 2" to indicated 2D data. For example, if you wanted to
      > > extract complex t1 increments 0 3 4 8 16:
      > >
      > > nusSort.tcl -sample test.hdr -par test.par -in test.fid -out sort.fid
      > >
      > > The result file "sort.fid" would have a Y-axis size of 10, size it
      > > contains 5 complex t1 increments.
      > >
      > > The script will issue some warning messages, since the amount of
      > > data written is less that the available data in the input FID.
      > >
      > > --- file test.hdr:
      > >
      > > 3
      > > 4
      > > 8
      > > 16
      > >
      > > --- file test.par:
      > > NDIM 2
      > >
      > >
      > >
      > >
      > > Quoting ratancbmr <ratancbmr@>:
      > >
      > > > Hello,
      > > > We are interested in extraction of 2D data according to non linear
      > > > sampling schedule. We have a 2D data acquired in linear schedule in
      > > > t1 dimension. We are interested in extracting only those t1 points
      > > > which are according to non linear sampling schedule. Is there any
      > > > script in nmrPipe which can do the job.
      > > > thanks
      > > > Ratan
      > > >
      > > >
      > > >
      > >
      >
    Your message has been successfully submitted and would be delivered to recipients shortly.