! err62_thick_tic_time_axis.jnl
! Fixing bug 1668
!
! On multi-year or multi-decade time-axis plots, the
! dark line every year or 5- or 10-years, sometimes 
! disappeared due to pixel aliasing. Fixed by setting
! the thick-line for these tics.

! restore default setting
ppl axlabp,-1,-1

define axis/t=1-jan-1990:1-jan-2010:1/units=months tax

set mode meta timetics.plt
let tt = l[gt=tax]
set view upper; plot/thick/line cos(tt/20)
set view lower; plot/thick/line/t=1-jan-1991:1-jan-1997 cos(tt/20)
can view

! Check that we get the thick dark black line for the tics on 
! plots with more line colors
set mode linec:12
sho mode linecolors

can win/all
set win/new

set mode meta timetics2.plt

ppl color,7,100,50,0   ! orange
ppl color,8,0,55,0     ! dark green
ppl color,9,60,0,100   ! purple
ppl color,10,100,60,70 ! pink
ppl color,11,80,70,60  ! tan
ppl color,12,100,75,0  ! yellow


let tt = l[gt=tax]
plot/thick/line \
 cos(tt/20), cos(tt/24), cos(tt/28), cos(tt/32), \
 cos(tt/36), cos(tt/40), cos(tt/44), cos(tt/48), \
 cos(tt/52), cos(tt/56), cos(tt/60), cos(tt/64)

can mode linecolors
can win/all
set win/new

