.BG
.FN query
.TL
query: Return Values of Graphical Parameters
.CS
query(name1, name2, ...)
.PP
.AG name
character vector giving names of graphical parameters.
.RT
Structure with components named after the graphical parameters
mentioned in `name'i.
.PP
The graphical parameters recognized by `query' are:
.DS
.NF
.ta .75i,1.5i,2.25i,3i,3.75i
Parameter	Number of	Mode of	Parameter	Number of	Mode of
Name	Values	Values	Name	Values	Values
1em	2	REAL	mfg	4	REAL
acc	1	REAL	mgp	3	REAL
adj	1	REAL	mkh	1	REAL
bty	1	CHAR	new	1	LGL
cex	1	REAL	oma	4	REAL
cin	2	REAL	omd	4	REAL
col	1	REAL	omi	4	REAL
cra	2	REAL	omo	1	LGL
crt	1	REAL	pch	1	CHAR
csi	1	REAL	pin	2	REAL
cxy	2	REAL	plt	4	REAL
dev	1	REAL	pty	1	CHAR
din	2	REAL	rsz	2	REAL
err	1	REAL	smo	1	REAL
exp	1	REAL	srt	1	REAL
fig	4	REAL	tck	1	REAL
fin	2	REAL	tsp	3	REAL
frm	1	REAL	uin	2	REAL
fty	1	CHAR	usr	4	REAL
lab	3	REAL	xaxp	3	REAL
las	1	REAL	xaxs	1	CHAR
lty	1	REAL	xaxt	1	CHAR
lwd	1	REAL	xpd	1	LGL
mai	4	REAL	yaxp	3	REAL
mar	4	REAL	yaxs	1	CHAR
mex	1	REAL	yaxt	1	CHAR
.EX
xrange <- query("usr")[1:2]	# get min and max limits for x-axis

remember <- c("usr","mar","cex","col")
oldvalues <- query(remember)   # remember current values of parms
  ...   # change values of parameters
par(oldvalues)    # restore previous values
.KW plot*
.KW dplot*
.KW hplot*
.KW graphical parameters
.WR
