# Example 13 -- TS diagram, with isopycnals

# Draw Axes
set line width axis 0.25
set line width 0.75
.tic_size. = 0.1		# cm
set symbol size 0.03
.isopycnal_fontsize. = 8	# for isopycnal labels
.axes_fontsize. = 10		# for axes
set font size .axes_fontsize.
set x margin 2
set x size 10
set y margin 2
set y size 10
set tic size .tic_size.
set x name "Salinity / PSU"
set y name "Potential Temperature / $\circ$C"
set x axis 34 35 0.5 0.1
set y axis 2 10 1
set axes style offset
draw axes 1
set clip on
.old. = ..fontsize..
set font size .isopycnal_fontsize.
set line width rapidograph 1
draw isopycnal            26.00
draw isopycnal            27.00
draw isopycnal            28.00
draw isopycnal            29.00
set line width rapidograph 3x0
draw isopycnal unlabelled 26.75
draw isopycnal unlabelled 26.50
draw isopycnal unlabelled 26.25
draw isopycnal unlabelled 27.75
draw isopycnal unlabelled 27.50
draw isopycnal unlabelled 27.25
draw isopycnal unlabelled 28.75
draw isopycnal unlabelled 28.50
draw isopycnal unlabelled 28.25
set clip off
set font size .old.
#
# Draw the data.
open example13.dat
read columns x y
set color blue
set symbol size 0.1
draw symbol bullet
set font size 14
set color black
draw title "Example 13 -- TS diagram, with isopycnals"

