****************************************************;
*** DESIGN CREATION IN A RESTRICTED DESIGN SPACE ***;
****************************************************;

OPTION PS=60 LS=64 NODATE NONUMBER;

DATA IN;
     DO X1 = -1 TO 1 BY .1;
     DO X2 = -1 TO 1 BY .1;
        IF X1>.8 THEN DO;
           Y = -1.5*X1 + 2.2;
           IF X2 > Y  THEN DELETE;
        END;
     OUTPUT; END; END;

PROC OPTEX DATA=IN SEED=204571;
  EXAMINE DESIGN;
  MODEL X1|X2 X1*X1 X2*X2;
  GENERATE METHOD=FEDEROV CRITERION=D N=9 ITER=40 KEEP=5;
TITLE 'DESIGN CREATION IN A RESTRICTED DESIGN SPACE -- N=9';

PROC OPTEX DATA=IN SEED=204572;
  EXAMINE DESIGN;
  MODEL X1|X2 X1*X1 X2*X2;
  GENERATE METHOD=FEDEROV CRITERION=D N=12 ITER=40 KEEP=5;
TITLE 'DESIGN CREATION IN A RESTRICTED DESIGN SPACE -- N=12';
RUN;