Example file for using grap with groff and other troff implementations

grap.ms

.ft CW
groff -G -ms -Tpdf grap.ms > grap.pdf
.ft

.NH
Simple example
.LP
.G1
54.2
49.4
49.2
50.0
48.2
44.60
.G2



.NH
Coordinates
.LP

by default it will go wherever you say
.G1
1 45.2
2 3.2
3 65.2
4 54.2
5 53.16
6 42.2
.G2


.NH
Lines
.LP
.G1
draw solid
1 45.2
2 3.2
3 65.2
4 54.2
5 53.16
6  42.2
.G2

.NH

External data
.LP

.G1
draw solid
copy "tmp.dat"
.G2

.NH

Labels
.LP

.LP
Some versions of grap implement labels differently

.IP \(bu
plan9
.RS
.IP \(bu
has them always aligned horizontally
.RE
.LP

.G1
label left "Time" "(seconds)"
label bot  "Miss spells when typing"
draw solid
copy "tmp.dat"
.G2


.NH

Framing
.LP
.G1
frame ht 3 wid 3
label left "Time" "(seconds)"
label bot  "Miss spells when typing"
draw solid
copy "tmp.dat"
.G2

.NH 2

shorter
.LP
.G1
frame ht 1 wid 3
label left "Time" "(seconds)"
label bot  "Miss spells when typing"
draw solid
copy "tmp.dat"
.G2

.NH 2

Wider
.LP
.G1
frame ht 2 wid 5
label left "Time" "(seconds)"
label bot  "Miss spells when typing"
draw solid
copy "tmp.dat"
.G2

.NH 2

Removing Parts Of The Frame
.LP
.G1
# invisable top
frame invis ht 2 wid 5 left solid bot solid
label left "Time" "(seconds)"
label bot  "Miss spells when typing"
draw solid
copy "tmp.dat"
.G2

.NH 2

No frame
.LP
.G1
frame invis ht 2 wid 5
label left "Time" "(seconds)"
label bot  "Miss spells when typing"
draw solid
copy "tmp.dat"
.G2

.NH 2

Adding a grid
.LP
.G1
# vertical
grid dotted bot from 0 to 7 by 1
# horizontal
grid dotted left from 0 to 70 by 5
label left "Time" "(seconds)"
label bot  "Miss spells when typing"
draw solid
copy "tmp.dat"
.G2

.NH

Setting coordinate range
.LP
.G1
#------------------
coord x 0,11 y 0,70
#------------------
draw solid
copy "tmp.dat"
.G2

.NH

Adding text markings
.LP
.G1
#--------
"times" above at 5,6
times at 5,6

"bullet" above at 4,5
bullet  at 4,5

"vtick" above at 3,4
vtick at 3,4

"circle" above at 1,1
circle at 1,1 radius 0.01
#-------
.G2

.NH

Copy Thru Command
.LP

.NH 2

Bar Graph
.LP
.G1
frame invis bot solid
coord x 1,9 
# by says how much to increase by
copy "tmp.dat" thru {
	line from $1,0 to $1,$2
	line from $1,$2 to $1+1,$2
	line from $1+1,$2 to $1+1,0
}
.G2

.NH

Dotted Line Graph
.LP
.G1
draw solid
# by says how much to increase by
pi=atan2(0,-1)
copy "tmp.dat" thru {
	line dotted from $1+.5,0 to $1+.5,$2
	"\(bu" size -3 at $1+.5,$2
}
.G2


.NH

Box Plot
.LP
This is from the manual page

.fam CM
.G1
frame invis ht 4 wid 3 bot solid
ticks off
coord x .5,3.5 y 0,25
define Ht X
	"- $1,000 -" size -3 at 2,$1
X
Ht(5); Ht(10); Ht(15); Ht(20)
"Highest Point" "in 50 States" at 1,23
"Heights of" "219 Volcanoes" at 3,23
"Feet" at 2,21.5; arrow from 2,22.5 to 2,24
define box X #(x,min,25%,median,75%,max,minname,maxname)
	xc=$1; xl=xc-boxwidth/2; xh=xc+boxwidth/2
	y1=$2; y2=$3; y3=$4; y4=$5; y5=$6
	bullet at xc,y1
	" $7" size -3 ljust at (xc,y1)
	line from (xc,y1) to (xc,y2) # lo whisker
	line from (xl,y2) to (xh,y2) # box bot
	line from (xl,y3) to (xh,y3) # box mid
	line from (xl,y4) to (xh,y4) # box top
	line from (xl,y2) to (xl,y4) # box left
	line from (xh,y2) to (xh,y4) # box right
	line from (xc,y4) to (xc,y5) # hi whisker
	bullet at xc,y5
	" $8" size -3 ljust at (xc,y5)
X
boxwidth=.3
box(1, .3, 2.0, 4.6, 11.2, 20.3, Florida, Alaska)
box(3, .2, 3.7, 6.5, 9.5, 19.9, Ilhanova, Guallatiri)
.G2