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RGMAP /PERCENT

[GREG2\]RGMAP /PERCENT P1
Computes M=MAX(ABS(min),ABS(max)) of the data to be contoured. Contour
levels selected with LEVELS are multiples of P1 percent of M. E.g. if P1
= 10 and LEVELS 1 2 5 9, the contour levels are 10, 20, 50 and 90% of
the peak value.
From the above rule you can deduce the absolute level values with the
following commands:
DEFINE REAL ABSLEVELS /LIKE GREG%LEVELS
LET ABSLEVELS MAX(ABS(RGMIN),ABS(RGMAX))*P1*GREG%LEVELS/100
EXA ABSLEVELS

Gildas manager
2020-09-28