| Re: Plotting date/times [message #4686 is a reply to message #4604] |
Sun, 09 July 1995 00:00  |
rivers
Messages: 228
Registered: March 1991
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Senior Member |
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In article <3temc6$rlb@hecate.umd.edu>, bleau@UMDSP.UMD.EDU (Lawrence Bleau) writes:
> Hello, a quick (hopefully simple) question. I am plotting times along my X
> axis. Internally I've converted the m/d/y h:m:s times into floating point
> numbers, thinking this would be the easier way to plot it. I then have a
> procedure which I specify to the XTICKFORMAT keyword to convert a float to the
> proper character string.
>
> The problem is that IDL keeps scaling the ticks onthe X axis to nice, round
> multiples of the floating values, which hardly *ever* map to nice, round
> numbers (like 24 hours, or 1 hour) on my time axis labels. I partially solved
> this by specifying my own min and max using XRANGE and XTICKS, but this leaves
> me without any minor tick marks. Also, I'd like to leave some room on the
> right side of the graph after the plot has finished to annotate the graph
> lines (there are several).
>
I think that by using XSTYLE=1 you can force IDL to use your XRANGE and still
get minortick marks.
____________________________________________________________
Mark Rivers (312) 702-2279 (office)
CARS (312) 702-9951 (secretary)
Univ. of Chicago (312) 702-5454 (FAX)
5640 S. Ellis Ave. (708) 922-0499 (home)
Chicago, IL 60637 rivers@cars3.uchicago.edu (Internet)
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