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       gpiv_process-chain - Processes a pipe of Gpiv-tool command’s.


       gpiv_process-chain [-af string] [-h | -help] [-n | -none] [-c | -clean]
       [-fik] [-p  |  -print]  [-pf  -string]  [-proc_*]  [-t  format]  [-v  |
       -version] filename


       Gpiv_process-chain   processes   a   pipe   of   gpiv  commands.  Image
       evaluation/interrogation  with  gpiv_rr  is  always   included,   image
       recording  may  be prepended before interrogation, validation and post-
       processes may be appended to the chain.  The  filename  represents  the
       name  of  the  image  to  be evaluated. The file naming conventions are
       idententic to the output of the individual Gpivtools programs: in  case
       the  output  are (validated/scaled) PIV data, the data will be directed
       to  filename.piv,  with  -proc_vorty  the   output   will   be   called
       filename.vor,   with   -proc_nstrain   the   output   will   be  called
       filename.nstr and, finally, with with -proc_sstrain the output will  be
       called filename.sstr.

       This program does not use the parameter resources from libgpiv.


       -af string Append string to file-base name.

       -h | --help
              On-line help.

       -n | --none
              Suppresses real execution.

       -c | -clean
              Cleans up: removes raw image data and header.

       -fik   Use fi-keyline for filtering gpiv parms from README.

       -p | --print
              Prints  parameters,  command  line  options and input and output
              filenames to stdout.

       -pf string
              Prepend string to file-base name.

              Defines processes to be included in the chain. * is  substituted
              by:  imgrec, valid, scale, manipiv, flipx, flipy, revert, rot90,
              rot180 and vorty or  nstrain  or  sstrain.  Vorty,  nstrain  and
              sstrain may not be used in combination with -t gpi.

       -t format
              Image  type  or  format:  hdf  (.hdf),  dav  (.IMG) or a type as
              defined by ImageMagic’s convert. Default  is  raw  binary  image

       -v | --version
              Prints  version  information  to  standard  output,  then  exits

              Input image filename.  Format  may  be:  .r,  .hdf  (hdf),  .IMG
              (davis), .png, .gif, .tif or.bmp.


       invoking:  ’gpiv_process-chain  -proc_valid  -proc_scale  testfile.png’
       will actually perform: gpiv_rr < image.png | gpiv_errvec > testfile.piv

       invoking:   ’gpiv_process-chain  -proc_imgrec  -proc_valid  -proc_scale
       testfile.png’ will do: gpiv_recimg | gpiv_rr | gpiv_errvec | gpiv_scale
       > testfile.piv




       Gerber Van der Graaf

                                19 Januari 2005