src/tiff/man/tiffset.1

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