Appendix B: Examples

B.7 Legends

            PROGRAM EXA_7
      C     USE DISLIN         for Fortran 90!
            PARAMETER(N=301)
            DIMENSION XRAY(N),Y1RAY(N),Y2RAY(N)
            CHARACTER*14 CBUF

            FPI=3.1415926/180.
            STEP=360./(N-1)
            DO I=1,N
              XRAY(I)=(I-1)*STEP
              X=XRAY(I)*FPI
              Y1RAY(I)=SIN(X)
              Y2RAY(I)=COS(X)
            END DO  
 
            CALL DISINI
            CALL PAGERA
            CALL COMPLX
            CALL AXSPOS(450,1800)
            CALL AXSLEN(2200,1200)

            CALL NAME('X-axis','X')
            CALL NAME('Y-axis','Y')
            CALL TITLIN('Demonstration of CURVE',1)
            CALL TITLIN('Legend',3)
            CALL LABDIG(-1,'X')
            CALL TICKS(10,'XY')

            CALL GRAF(0.,360.,0.,90.,-1.,1.,-1.,0.5)
            CALL TITLE
            CALL XAXGIT

            CALL CHNCRV('LINE')             
            CALL CURVE(XRAY,Y1RAY,N)
            CALL CURVE(XRAY,Y2RAY,N)

            CALL LEGINI(CBUF,2,7)          ! Legend statements
            NX=NXPOSN(190.)
            NY=NYPOSN(0.75)
            CALL LEGPOS(NX,NY)
            CALL LEGLIN(CBUF,'sin (x)',1)
            CALL LEGLIN(CBUF,'cos (x)',2)
            CALL LEGTIT('Legend')
            CALL LEGEND(CBUF,3)
  
            CALL DISFIN
            END

Figure B.7: Legends