1pfsoctavergb(1)             General Commands Manual            pfsoctavergb(1)
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NAME

6       pfsoctavergb - Process red, green and blue channels in pfs stream using
7       Octave
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SYNOPSIS

10       pfsoctavergb <octave_program>
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DESCRIPTION

13       Use this command to execute a GNU Octave program on red, green and blue
14       channels  of each frame in the pfs stream. octave_program must be given
15       in quotation marks ("") and must not produce any output (it can  output
16       to  stderr,  not  to  stdout).  Red,  green and blue color channels are
17       available in octave_program as R, G and B matrices.
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19       Note: This command requires GNU Octave.
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EXAMPLES

22       pfsinrgbe frames_%04d.hdr | pfsoctavergb "R =  R.^2;  G  =  G.^2;  B  =
23       B.^2;" | pfsview
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25       Expand  the  dynamic  range of a sequence of frames and show the result
26       with pfsview.
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BUGS

29       Please  report  bugs  and  comments  to  Rafal  Mantiuk   <mantiuk@mpi-
30       sb.mpg.de>.
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34                                                               pfsoctavergb(1)