GPIV_SMOOTH(1)						      General Commands Manual						    GPIV_SMOOTH(1)

NAME

       gpiv_smooth - Image smoothing program for PIV images.

SYNOPSIS

       gpiv_smooth [-h | --help] [-p | --print] [-o N | --operation N] [-w N] [-v | --version] [filename] < stdin > stdout

DESCRIPTION

       gpiv_smooth set each pixel value equal to the mean within a window and eventually subtracts, adds, mulriplies or divides the mean value.

       The  parameters	read  from  the configuration resources (containing the key GPIV_IMGPROC) may be overruled by the command line options, as
       explained below.

Options
       -h | --help
	      On-line help

       -o N | --operation N
	      Set pixel equal to the mean of the window value (N0), subtract mean from from pixel (N1) add (N2), multiply (N3) or divide (N4)

       -v | --version
	      Print version information on standard output, then exit successfully.

       -w N   window size (default: 15)

       filename
	      Input image filename. Overrides stdin and stdout with the full filename of the image. Output will be written to filename.png. Param-
	      eters  are  stored  in  filename.par and may be used for future use by including them in ./gpivrc. If stdin and stdout are used, the
	      input is expected to be a PNG formatted image.

       SEE ALSO
	      gpivtools

AUTHOR

       Gerber Van der Graaf

								  7 November 2006						    GPIV_SMOOTH(1)