Create the Annotate data set, ART. ART contains the commands that draw the design of triangles.
data art;
   length function color style $ 8;
   input function $ x y color $ style $;
   xsys='5'; ysys='5';
   datalines;
poly      30  20  blue    solid
polycont  50  20  .       .
polycont  40  50  .       .
poly      50  20  green   x1
polycont  70  50  .       .
polycont  60  50  .       .
poly      40  50  red     l1
polycont  60  50  .       .
polycont  50  80  .       .
;