src/tiff/man/tiffset.1

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  25 .if n .po 0
  26 .TH TIFFSET 1 "November 21, 2004" "libtiff"
  27 .SH NAME
  28 tiffset \- set a field in a
  29 .SM TIFF
  30 header
  31 .SH SYNOPSIS
  32 .B tiffset
  33 [
  34 .I options
  35 ]
  36 .I filename.tif
  37 .SH DESCRIPTION
  38 .I Tiffset
  39 sets the value of a
  40 .SM TIFF
  41 header to a specified value.
  42 .SH OPTIONS
  43 .TP
  44 .BI \-d " dirnumber"
  45 change the current directory (starting at 0).
  46 .TP
  47 .BI \-s " tagnumber" "\fR [\fP" " count" "\fR ]\fP" " value ..."
  48 Set the value of the named tag to the value or values specified.
  49 .TP
  50 .BI \-sd " diroffset"
  51 change the current directory by offset.
  52 .TP
  53 .BI \-sf " tagnumber filename"
  54 Set the value of the tag to the contents of filename.  This option is
  55 supported for ASCII tags only.
  56 .SH EXAMPLES
  57 The following example sets the image description tag (270) of a.tif to
  58 the contents of the file descrip:
  59 .RS
  60 .nf
  61 tiffset \-sf 270 descrip a.tif
  62 .fi
  63 .RE
  64 .PP
  65 The following example sets the artist tag (315) of a.tif to the string
  66 ``Anonymous'':
  67 .RS
  68 .nf
  69 tiffset \-s 315 Anonymous a.tif
  70 .fi
  71 .RE
  72 .PP
  73 This example sets the resolution of the file a.tif to 300 dpi:
  74 .RS
  75 .nf
  76 tiffset \-s 296 2 a.tif
  77 tiffset \-s 282 300.0 a.tif
  78 tiffset \-s 283 300.0 a.tif
  79 .fi
  80 .RE
  81 .PP
  82 Set the photometric interpretation of the third page of a.tif to
  83 min-is-black (ie. inverts it):
  84 .RS
  85 .nf
  86 tiffset -d 2 -s 262 1 a.tif
  87 .fi
  88 .RE
  89 .SH "SEE ALSO"
  90 .BR tiffdump (1),
  91 .BR tiffinfo (1),
  92 .BR tiffcp (1),
  93 .BR libtiff (3TIFF)
  94 .PP
  95 Libtiff library home page:
  96 .BR http://www.remotesensing.org/libtiff/