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decuslib10-02
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43,50247/linplt.f4
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SUBROUTINE LINPLT(XCOORD,YCOORD,XFIRST,YFIRST,XFINAL,YFINAL,
1 XWIDTH,YWIDTH,XCORNR,YCORNR, LASTX, LASTY)
C LINPLT 09/20/67
C GENPLT-II PROGRAM TO CONTINUE PREVIOUS LINE TO NEW COORDINATES
C
C DONALD BARTH, C/O K.B. WIBERG, DEPT. OF CHEMISTRY, YALE UNIVERSITY
C
C SUBROUTINE LINPLT ARGUMENT LIST DEFINITIONS.
C
C XCOORD = X OR HORIZONTAL COORDINATE TO WHICH LINE IS TO BE PLOTTED
C YCOORD = Y OR VERTICAL COORDINATE TO WHICH LINE IS TO BE PLOTTED
C XFIRST = X COORDINATE COORESPONDING TO LEFT EDGE OF PLOT AREA.
C YFIRST = Y COORDINATE COORESPONDING TO LOWER EDGE OF PLOT AREA.
C XFINAL = X COORDINATE COORESPONDING TO RIGHT EDGE OF PLOT AREA.
C YFINAL = Y COORDINATE COORESPONDING TO UPPER EDGE OF PLOT AREA.
C XWIDTH = HORIZONTAL WIDTH OF PLOT AREA.
C YWIDTH = VERTICAL HEIGHT OF PLOT AREA.
C XCORNR = X DISTANCE FROM PLOTTING TABLE ORIGIN TO LEFT PLOT EDGE.
C YCORNR = Y DISTANCE FROM PLOTTING TABLE ORIGIN TO LOWER PLOT EDGE.
C LASTX = LAST X GRID COORDINATE PLOTTED.
C LASTY = LAST Y GRID COORDINATE PLOTTED.
C
COMMON/PPARM/FACTOR,OFSETX,OFSETY,IERR,IPEN,NTAPE,MODE,IPOINT,
1IFREER,ILINE
MODE = ILINE
NEWX=FACTOR*(XCORNR+(XWIDTH*(XCOORD-XFIRST)/(XFINAL-XFIRST)))
. + OFSETX
NEWY=FACTOR*(YCORNR+(YWIDTH*(YCOORD-YFIRST)/(YFINAL-YFIRST)))
. + OFSETY
CALL PENDWN(LASTX,LASTY,NEWX,NEWY)
RETURN
END