| Re: Why the contour does not show? [message #63966 is a reply to message #63877] |
Fri, 21 November 2008 13:48   |
xiao zhang
Messages: 81
Registered: June 2008
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Member |
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On Nov 21, 3:45 pm, David Fanning <n...@dfanning.com> wrote:
> Reimar Bauer writes:
>> David Fanning schrieb:
>>> xiao writes:
>
>>>> Thanks David. These are useful. And I also found another mistake,
>>>> because the X,Y range are out of the display so it does not show the
>>>> data. Now, I am trying to put it in a map projection an d fill the
>>>> color......
>
>>> Well, more pitfalls (and reading) then:
>
>>> http://www.dfanning.com/color_tips/fill_colors.html
>
>>> Cheers,
>
>>> David
>
>> it is not only incorrect colors. missing data is also shown as data.
>> Can you provide the data for the examples.
>
> Humm. No, sorry. As I recall, that was from a private e-mail
> conversation. The data has long since disappeared. :-(
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
haha. That is fine, David, But another problem arouse, When I plot
like this:
map_set,limit=[-34.3842,min(lon),-31.6985,max(lon)], /noborder,color=0
map_grid, color=0,/label
map_continents,/countries, /coasts, color=0
contour,inits,color=0,xtitle='longtitude',ytitle='latitude', title='Sensible
heat flux', /device, /CELL_FILL, /Overplot
It showed the map, but also, it gave me an error:
Program caused arithmetic error: Floating underflow
Is it because my data is larger than the map or something?
Thanks very much :)
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