PLOT(3X) — Silicon Graphics

NAME

plot − graphics interface subroutines

SYNOPSIS

openpl ()

erase ()

label (s)
char ∗s;

line (x1, y1, x2, y2)
int x1, y1, x2, y2;

circle (x, y, r)
int x, y, r;

arc (x, y, x0, y0, x1, y1)
int x, y, x0, y0, x1, y1;

move (x, y)
int x, y;

cont (x, y)
int x, y;

point (x, y)
int x, y;

linemod (s)
char ∗s;

space (x0, y0, x1, y1)
int x0, y0, x1, y1;

closepl ()

DESCRIPTION

These subroutines generate graphic output in a relatively device-independent manner. Space must be used before any of these functions to declare the amount of space necessary. See plot(4). Openpl must be used before any of the others to open the device for writing. Closepl flushes the output.

Circle draws a circle of radius r with center at the point (x,y).

Arc draws an arc of a circle with center at the point (x,y) between the points (x0,y0) and (x1,y1).

String arguments to label and linemod are terminated by nulls and do not contain new-lines.

See plot(4) for a description of the effect of the remaining functions.

The library files listed below provide several flavors of these routines.

FILES

/usr/lib/libplot.aproduces output for tplot(1G) filters
/usr/lib/lib300.afor DASI 300
/usr/lib/lib300s.afor DASI 300s
/usr/lib/lib450.afor DASI 450
/usr/lib/lib4014.afor Tektronix 4014

WARNINGS

In order to compile a program containing these functions in file.c it is necessary to use “cc file.c −lplot”.

In order to execute it, it is necessary to use “a.out | tplot”.

The above routines use <stdio.h>, which causes them to increase the size of programs, not otherwise using standard I/O, more than might be expected.

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