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Name

       setpix - Set FITS or IRAF image values

Synopsis

       setpix [-vn] file.fts [x_range y_range value] [@valuefile]

Description

       Set  a  specified  pixel  or range of pixels in a FITS or IRAF image to a specified value.
       More than one range of pixels and values may be specified on one command line. A  file  of
       xrange yrange value triplets may be used to set multiple regions at once. The image may be
       overwritten or a new image created.

Options

       filename
              Name of IRAF image header file or FITS file. This must be present.

       @coordfile
              Name of file containing lines of the format
                       xrange yrange value where xrange and yrange are of the format n or n-n  or
              n,n,n  or  n-n,n-n  and  value  my  be  integer  or  floating point.  value will be
              converted to the type of the image. If a range is  0,  the  entire  row  or  column
              specified  by  the other non-zero range will be set to the indicated value. If both
              ranges are zero, the entire image will be set  to  the  specified  value.   New  in
              version 2.6.4.

       xrange yrange value
              Image  coordinate  x  and  y ranges and the value to which that region will be set.
              Either one of these triplets or a file of triplets, specified by @filename, must be
              present. xrange and yrange are of the format n or n-n or n,n,n or n-n,n-n and value
              my be integer or floating point. value will be converted to the type of the  image.
              If  a  range  is  0, the entire row or column specified by the other non-zero range
              will be set to the indicated value. If both ranges are zero, the entire image  will
              be set to the specified value. Ranges new in version 2.6.4.

       -a <number>
              Add constant to pixels

       -d <number>
              Divide pixels by constant

       -i     List each line which is dropped

       -m <number>
              Multiply pixels by constant

       -n     Write  the  output  to  a new file which is named by inserting an e before the file
              extension. The new file is always written to the current working directory.

       -s <number>
              Subtract constant from pixels

       -v     Print more information about the process

Author

       Doug Mink, SAO (dmink@cfa.harvard.edu)