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%   author = "S. Rahtz, P. MacKay, Alan Jeffrey, B. Horn, K. Berry",
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%   date = "22 June 1996",
%   filename = "8r.enc",
%   email = "kb@@mail.tug.org",
%   address = "135 Center Hill Rd. // Plymouth, MA 02360",
%   codetable = "ISO/ASCII",
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% Standard Encoding + ISO Latin 1 + extra characters from Lucida.
% 
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% 
% (1) the Windows ANSI characters are almost all in their Windows ANSI
% positions, because some Windows users cannot easily reencode the
% fonts, and it makes no difference on other systems. The only Windows
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% typesetting -- rubout (127 decimal), nobreakspace (160), softhyphen
% (173). quotesingle and grave are moved just because it's such an
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% 
% (2) Remaining characters are assigned arbitrarily to the lower part
% of the range, avoiding 0, 10 and 13 in case we meet dumb software.
% 
% (3) Y&Y Lucida Bright includes some extra text characters; in the
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% consumption, will include them, they are included starting at 0x12.
% 
% (4) Remaining positions left undefined are for use in (hopefully)
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% remember original state
/origstate save def

% build a temporary dictionary
20 dict begin

% define string to hold a scanline's worth of data
/pix 978 string def

% define space for color conversions
/grays 326 string def  % space for gray scale line
/npixls 0 def
/rgbindx 0 def

% lower left corner
143 223 translate

% size of image (on paper, in 1/72inch coords)
326.01600 346.03200 scale

% define 'colorimage' if it isn't defined
%   ('colortogray' and 'mergeprocs' come from xwd2ps
%     via xgrab)
/colorimage where   % do we know about 'colorimage'?
  { pop }           % yes: pop off the 'dict' returned
  {                 % no:  define one
    /colortogray {  % define an RGB->I function
      /rgbdata exch store    % call input 'rgbdata'
      rgbdata length 3 idiv
      /npixls exch store
      /rgbindx 0 store
      0 1 npixls 1 sub {
        grays exch
        rgbdata rgbindx       get 20 mul    % Red
        rgbdata rgbindx 1 add get 32 mul    % Green
        rgbdata rgbindx 2 add get 12 mul    % Blue
        add add 64 idiv      % I = .5G + .31R + .18B
        put
        /rgbindx rgbindx 3 add store
      } for
      grays 0 npixls getinterval
    } bind def

    % Utility procedure for colorimage operator.
    % This procedure takes two procedures off the
    % stack and merges them into a single procedure.

    /mergeprocs { % def
      dup length
      3 -1 roll
      dup
      length
      dup
      5 1 roll
      3 -1 roll
      add
      array cvx
      dup
      3 -1 roll
      0 exch
      putinterval
      dup
      4 2 roll
      putinterval
    } bind def

    /colorimage { % def
      pop pop     % remove 'false 3' operands
      {colortogray} mergeprocs
      image
    } bind def
  } ifelse          % end of 'false' case



326 346 8			% dimensions of data
[326 0 0 -346 0 346]		% mapping matrix
{currentfile pix readhexstring pop}
false 3 colorimage

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showpage

% stop using temporary dictionary
end

% restore original state
origstate restore

%%EndDocument
 @endspecial -67 698 a Fk(\(a\))19 b(all)i(triangles)g(of)-67
777 y(le)n(v)o(el)e(5)546 532 y @beginspecial 142 @llx
222 @lly 471 @urx 569 @ury 730 @rwi @setspecial
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% remember original state
/origstate save def

% build a temporary dictionary
20 dict begin

% define string to hold a scanline's worth of data
/pix 987 string def

% define space for color conversions
/grays 329 string def  % space for gray scale line
/npixls 0 def
/rgbindx 0 def

% lower left corner
142 222 translate

% size of image (on paper, in 1/72inch coords)
328.96800 346.96800 scale

% define 'colorimage' if it isn't defined
%   ('colortogray' and 'mergeprocs' come from xwd2ps
%     via xgrab)
/colorimage where   % do we know about 'colorimage'?
  { pop }           % yes: pop off the 'dict' returned
  {                 % no:  define one
    /colortogray {  % define an RGB->I function
      /rgbdata exch store    % call input 'rgbdata'
      rgbdata length 3 idiv
      /npixls exch store
      /rgbindx 0 store
      0 1 npixls 1 sub {
        grays exch
        rgbdata rgbindx       get 20 mul    % Red
        rgbdata rgbindx 1 add get 32 mul    % Green
        rgbdata rgbindx 2 add get 12 mul    % Blue
        add add 64 idiv      % I = .5G + .31R + .18B
        put
        /rgbindx rgbindx 3 add store
      } for
      grays 0 npixls getinterval
    } bind def

    % Utility procedure for colorimage operator.
    % This procedure takes two procedures off the
    % stack and merges them into a single procedure.

    /mergeprocs { % def
      dup length
      3 -1 roll
      dup
      length
      dup
      5 1 roll
      3 -1 roll
      add
      array cvx
      dup
      3 -1 roll
      0 exch
      putinterval
      dup
      4 2 roll
      putinterval
    } bind def

    /colorimage { % def
      pop pop     % remove 'false 3' operands
      {colortogray} mergeprocs
      image
    } bind def
  } ifelse          % end of 'false' case



329 347 8			% dimensions of data
[329 0 0 -347 0 347]		% mapping matrix
{currentfile pix readhexstring pop}
false 3 colorimage

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