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Using [XYZ]TICKFORMAT for dynamic formatting [message #66498]

Tue, 19 May 2009 08:09

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

Hello,

Given the following xtickformat function,

FUNCTION lowticks, axis, index, value
RETURN, STRING( value, FORMAT = '("!C",f7.3)' )
END

I am doing something like the following to get the x-axis tick labels on every other plot
printed on the next line:

!P.MULTI = [0,n_xplots,1]
!X.OMARGIN = [10,3]
!X.MARGIN = [0,0]
!Y.OMARGIN = [2,0]
!Y.MARGIN = [4,2]

FOR i = 0, n_xplots-1 DO BEGIN
IF ( i EQ 1 OR i EQ 3 ) THEN BEGIN
xtickformat = 'lowticks'
ENDIF ELSE BEGIN
xtickformat = ''
ENDELSE

PLOT, x, y, XTICKFORMAT = xtickformat

...etc...

to prevent the end-of-axis tick labels from adjacent plots overwriting each other.

The problem is that I want the format in the "lowticks" function, the "f7.3", to be the
same as those automagically chosen by IDL in the plots where the xtickformat defaults.

Does anyone know if there is any way to dynamically set the format string itself in this
fashion? I.e. pass in the "f7.3" (or f4.1 or f5.2 etc) ?

cheers,

paulv

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[Message index]

		Using [XYZ]TICKFORMAT for dynamic formatting By: Paul Van Delst[1] on Tue, 19 May 2009 08:09
		Re: Using [XYZ]TICKFORMAT for dynamic formatting By: Mark[1] on Thu, 21 May 2009 15:32

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