This wiki is not maintained! Do not use this when setting up AuScope experiments!

Differences

This shows you the differences between two versions of the page.

--- operations:documentation:pointing_monitoring [2013/02/20 03:10]
Jim Lovell
+++ operations:documentation:pointing_monitoring [2013/02/20 03:28] (current)
Jim Lovell
@@ Line 7: / Line 7: @@
 egrep '(tsys)' /usr2/log/sx.log > tsys.txt
 gnuplot <<EOF
-f(x) = m*x + c
+unset key
-fit f(x) 'tsys.txt'  using `(1.0/cos(90-$3))`:4  via m,c
+set angles degrees
+f(x) = m*(1/cos(90-x)) + c
+fit f(x) 'tsys.txt'  using 3:4  via m,c
 set multiplot layout 2,2
-set xlabel 'xEL offset';set ylabel 'El offset';plot [-0.06:0.06] [-0.06:0.06] 'xoff.txt' u 4:5
+set xlabel 'xEL offset';set ylabel 'El offset';plot [-0.1:0.1] [-0.1:0.1] 'xoff.txt' u 4:5
-set xlabel 'sec(z)';set ylabel 'Tsys';plot 'tsys.txt' u `(1.0/cos(90-$3))`:4:5 w errorbars, f(x)
+set xlabel 'El';set ylabel 'Tsys';plot 'tsys.txt' u 3:4:5 w errorbars, f(x)
 set xlabel 'Az'; set ylabel 'El';plot 'xoff.txt' u 2:3
 set xlabel 'El'; set ylabel 'El offset';plot 'xoff.txt' u 3:5
 unset multiplot
-pause mouse any "Any key or button in the plot window will terminate"
+pause mouse any "\nAny key or button in the plot window will terminate\n"
 EOF
 </file>
+This will make a 2 x 2 plot showing pointing offsets, points on the sky observed, Tsys vs El (and a fit to Tsys vs sec(z)) and Elevation offset vs elevation. Clicking in the plot window will dismiss the plot.
+{{:operations:documentation:screenshot_20_02_13_2_28_pm.png|}}