Linux HOWTO


Графическое изображение характеристик монитора. - часть 2


gnuplot $GNUOPTS <<EOF set title "$TITLE Mode Plot"

# Константы. Unfortunately, the plot is quite sensitive to changes in # these, and they may fail to represent reality on some monitors. We need # to fix values to get even an approximation of the mode diagram. These come # from looking at lots of values in the ModeDB database. F1 = 1.30 # multiplier to convert horizontal resolution to frame width F2 = 1.05 # multiplier to convert vertical resolution to frame height

# Function definitions (multiplication by 1.0 forces real-number arithmetic) ac = (1.0*$ASPECT)*F1/F2 refresh(hsync, dcf) = ac * (hsync**2)/(1.0*dcf) dotclock(hsync, rr) = ac * (hsync**2)/(1.0*rr) resolution(hv, dcf) = dcf * (10**6)/(hv * F1 * F2)

# Put labels on the axes set xlabel 'DCF (MHz)' set ylabel 'RR (Hz)' 6 # Put it right over the Y axis

# Generate diagram set grid set label "VB" at $BANDWIDTH+1, ($MAXVSF + $MINVSF) / 2 left set arrow from $BANDWIDTH, $MINVSF to $BANDWIDTH, $MAXVSF nohead set label "max VSF" at 1, $MAXVSF-1.5 set arrow from 0, $MAXVSF to $BANDWIDTH, $MAXVSF nohead set label "min VSF" at 1, $MINVSF-1.5 set arrow from 0, $MINVSF to $BANDWIDTH, $MINVSF nohead set label "min HSF" at dotclock($MINHSF, $MAXVSF+17), $MAXVSF + 17 right set label "max HSF" at dotclock($MAXHSF, $MAXVSF+17), $MAXVSF + 17 right set label "VESA $vesa" at 1, $vesa-1.5 set arrow from 0, $vesa to $BANDWIDTH, $vesa nohead # style -1 plot [dcf=0:1.1*$BANDWIDTH] [$MINVSF-10:$MAXVSF+20] \ refresh($MINHSF, dcf) notitle with lines 1, \ refresh($MAXHSF, dcf) notitle with lines 1, \ resolution(640*480, dcf) title "640x480 " with points 2, \ resolution(800*600, dcf) title "800x600 " with points 3, \ resolution(1024*768, dcf) title "1024x768 " with points 4, \ resolution(1280*1024, dcf) title "1280x1024" with points 5, \ resolution(1600*1280, dcf) title "1600x1200" with points 6

pause 9999 EOF




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