| Re: questions regarding using cgWindow, cgLoadCT, and something else [message #78208 is a reply to message #78109] |
Thu, 27 October 2011 15:44  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Bill Murong writes:
> About the PS font problem, you can find a figure converted from a ps file from
>
> https://lh4.googleusercontent.com/-NKlI5Se06t0/TqnN3NYCkRI/A AAAAAAAABU/2xbcSNP1zRA/s800/ps.jpg
>
> The corresponding command to generate the figure is:
>
> cgplot, [1e-10, 1], /ystyle, /ylog, ytickv = [6e-9, 7e-4], yticks = 1, /window
>
> and then save the window as jpeg via ImageMagick. You can note the tick marks of y axis are not displayed correctly. There is no problem with the Heyshey font or TrueType fonts.
Ah, yes, the proper labeling of logarithmic axes has
been a problem since the beginning of time. Or, at least,
the beginning of IDL:
http://www.idlcoyote.com/graphics_tips/minorlog.html
You may wish to use the LogLevels function described in
the article above. Something like this, probably:
cgplot, [1e-10, 1], /ystyle, /ylog, ytickv = LogLevels(), /window
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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