%!
% Example of rotation... draws 36 lines in a circular pattern

0 10 360 {              % Go from 0 to 360 degrees in 10 degree steps
  newpath               % Start a new path

  gsave                 % Keep rotations temporary
    144 144 moveto
    rotate              % Rotate by degrees on stack from 'for'
    72 0 rlineto
    stroke
  grestore              % Get back the unrotated state

} for                   % Iterate over angles

showpage

/box {
   newpath
   moveto
   72 0 rlineto
   0 72 rlineto
   -72 0 rlineto
   closepath
} def

% Specify font for text labels
/Helvetica findfont 40 scalefont setfont

gsave
  40 40 translate               % Set origin to (40, 40)
  0 0 box stroke                % Draw box at new origin...
  77 0 moveto
  (Translated) show             %   and label
grestore

gsave
  100 150 translate             % Translate origin to (100, 150)
  30 rotate                     % Rotate counter-clockwise by 30 degrees
  0 0 box stroke                % Draw box...
  75 0 moveto
  (Translated & Rotated) show   %   and label
grestore

gsave
  40 300 translate              % Translate to  (40, 300)
  0.5 1 scale                   % Reduce x coord by 1/2, y coord left alone
  0 0 box stroke                % Draw box...
  75 0 moveto
  (Translated & Squished) show  %   and label
grestore

gsave
  100 450 translate             % Set origin to (300, 300)
  45 rotate                     % Rotate coordinates by 45 degrees
  0.5 1 scale                   % Scale coordinates
  0 0 box stroke                % Draw box
  75 0 moveto
  (Everything) show
grestore

showpage