The GPLOT Procedure

Example 7: Filling Areas in an Overlay Plot

Procedure features:

PLOT statement options:

	AREAS=
	HAXIS=
	HMINOR=
	VAXIS=
	VMINOR=
	CAXIS=
	OVERLAY

Other features:

GOPTIONS statement option:

BORDER

SYMBOL statement

Sample library member:

GPLFILL1

[Filling Areas in an Overlay Plot]

This example uses the AREAS= option in the PLOT statement to fill the areas that are under the plot lines. As in the previous example, two plots are overlaid on the same graph.

goptions reset=all border;

title1 "Dow Jones Yearly Highs and Lows";
footnote1 j=l " Source: 1997 World Almanac"
          j=r "GPLFILL1 ";

goptions reset=all border;

data stocks;
   input year high low @@;

   datalines;
1956  521.05  462.35 1957  520.77  419.79
1958  583.65  436.89 1959  679.36  574.46
1960  685.47  568.05 1961  734.91  610.25
1962  726.01  535.76 1963  767.21  646.79
1964  891.71  768.08 1965  969.26  840.59
1966  995.15  744.32 1967  943.08  786.41
1968  985.21  825.13 1969  968.85  769.93
1970  842.00  631.16 1971  950.82  797.97
1972 1036.27  889.15 1973 1051.70  788.31
1974  891.66  577.60 1975  881.81  632.04
1976 1014.79  858.71 1977  999.75  800.85
1978  907.74  742.12 1979  897.61  796.67
1980 1000.17  759.13 1981 1024.05  824.01
1982 1070.55  776.92 1983 1287.20 1027.04
1984 1286.64 1086.57 1985 1553.10 1184.96
1986 1955.57 1502.29 1987 2722.42 1738.74
1988 2183.50 1879.14 1989 2791.41 2144.64
1990 2999.75 2365.10 1991 3168.83 2470.30
1992 3413.21 3136.58 1993 3794.33 3241.95
1994 3978.36 3593.35 1995 5216.47 3832.08
;

symbol1 interpol=join;

axis1 order=(1955 to 1995 by 5) offset=(2,2)
      label=none
      major=(height=2)
      minor=(height=1);
axis2 order=(0 to 6000 by 1000) offset=(0,0)
      label=none
      major=(height=2)
      minor=(height=1);

proc gplot data=stocks;
   plot low*year high*year / overlay
                             haxis=axis1
                             hminor=4
                             vaxis=axis2
                             vminor=1
                             caxis=black
                             areas=2;
run;
quit;

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