newgraph

xaxis min 0 max 10 size 5 hash_labels fontsize 16
yaxis min 0 max 10 size 5 hash_labels fontsize 16

(* Draw a red trapezoid -- setting both the fill and color to be red means
   that the entire trapezoid, and not just the interior, will be red. *)

newline poly pcfill 1 0 0 color 1 0 0
   pts 1 1  3 1   2.5 2  1.5 2

(* Draw a big black square *)

newline poly pfill 0 pts 3 3  10 3  10 10  3 10

(* Draw a thick yellow triangle with a purple, striped interior inside the black
   square *)

newline poly linethickness 5 color 1 1 0 pcfill 1 0 1 ppattern stripe 60 
   pts  4 4   8 4  6 6 

(* Draw a blue triangle with a thick border no fill *)

newline poly linethickness 10 color 0 0 1 pfill -1 pts 4 9  6 5 8 8