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Дата изменения: Fri Mar 19 17:20:22 1999
Дата индексирования: Tue Oct 2 07:09:17 2012
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Поисковые слова: neutrino


NAME

      psimage - To plot SUN rasterfiles on maps


SYNOPSIS

      psimage rasterfile -Wxlength[/ylength] [ -Cxpos/ypos ] [ -Gbr/g/b ] [
      -Gfr/g/b ] [ -I ] [ -K ] [ -M ] [ -Nnxrep/nyrep] [ -O ] [ -P ] [
      -U[dx/dy/][label] ] [ -V ] [ -Xx-shift ] [ -Yy-shift ] [ -ccopies ]


DESCRIPTION

      psimage reads a 1, 8, 24, or 32-bit Sun rasterfile and plots it on a
      map.  Image can be scaled arbitrarily, and 1-bit images can be (1)
      inverted, i.e., black pixels (on) becomes white (off) and vice versa,
      or (2) colorized, by assigning different foreground and background
      colors.  As an option, the user may choose to convert colorimages to
      grayscale using TV's YIQ-transformation.  The user may also choose to
      replicate the image which, when preceeded by appropriate clip paths,
      may allow larger custom-designed fill patterns to be implemented (the
      -Gp mechanism offered in most GMT programs is limited to rasters
      smaller than 146 by 146).

      rasterfile
           This must be a Sun rasterfile.  Depth can be 1, 8, 24, or 32-bit.
           Old-style, Standard, Run-length-encoded, and RGB Sun rasterfiles
           are supported.  Other raster formats can be converted to Sun
           format via a variety of public-domain software (e.g., imconv,
           xv).

      -W   Sets the size of the image in INCH.  If not given ylength is set
           to xlength * (ny/nx).



OPTIONS

      No space between the option flag and the associated arguments.

      -C   Sets position of lower left corner of image [0/0].

      -Gb  Sets background color (replace white pixel) for 1-bit image
           templates.

      -Gf  Sets foreground color (replace black pixel) for 1-bit image
           templates.

      -I   Invert image before plotting (1-bit images only).

      -K   More PostScript code will be appended later [Default terminates
           the plot system].

      -M   Convert color image to monochrome grayshades using the
           (television) YIQ-transformation.


      -N   Replicate the image nxrep in x and nyrep in y [Default is 1/1].

      -O   Selects Overlay plot mode [Default initializes a new plot
           system].

      -P   Selects Portrait plotting mode [GMT Default is Landscape, see
           gmtdefaults to change this].

      -U   Draw Unix System time stamp on plot.  User may specify where the
           lower left corner of the stamp should fall on the page relative
           to lower left corner of plot in inch [Default is (-0.75i/-
           0.75i)].  Optionally, append a label, or c (which will plot the
           command string.)

      -V   Selects verbose mode, which will send progress reports to stderr
           [Default runs "silently"].

      -X -Y
           Shift origin of plot by (x-shift,y-shift) inch  [Default is
           (a1i,a1i) for new plots, (0,0) for overlays].  Prepend a for
           absolute coordinates; the default (r) will reset plot origin.

      -c   Specifies the number of plot copies. [Default is 1]


EXAMPLES

      To plot the image contained in the 8-bit rasterfile scanned_face.ras,
      scaling it to 8 by 10 INCH, try

      psimage scanned_face.ras -W8/10 > image.ps

      To replicate the image template 1_bit.ras over a 5 by 5 inch area,
      colorize it, and setting each piece to be 1 by 1 cm, try

      psimage 1_bit.ras -Gb200/150/100 -Gf100/50/30 -N5i/5i -W1c > image.ps


SEE ALSO

      gmt















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