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Re: Contour `wrapping' problem [message #16358] Tue, 20 July 1999 00:00
Grady Daub is currently offline  Grady Daub
Messages: 22
Registered: June 1999
Junior Member
I, too, have had this problem. Some have said that you must order your data
monotonically. I've not tested this theory.

amit99@my-deja.com wrote:

> This problem has been aggravating me for the last few days:
>
> I am plotting contours over maps using `map_set' to establish a
> cylindrical grid of the globe and 'contour' to plot the data, which
> covers the entire globe. For some reason some of the contours which are
> open at the edge of the domain continue across the plot to the other
> side give me horizontal lines on my plot. This doesn't happen on all
> the open contours, just some of them. Any Ideas ?
>
> Amit amit@physics.utoronto.ca
>
> Sent via Deja.com http://www.deja.com/
> Share what you know. Learn what you don't.
Re: Contour `wrapping' problem [message #16371 is a reply to message #16358] Mon, 19 July 1999 00:00 Go to previous message
amit99 is currently offline  amit99
Messages: 6
Registered: July 1999
Junior Member
In article <7mvqru$41q$1@nnrp1.deja.com>,
amit99@my-deja.com wrote:
> This problem has been aggravating me for the last few days:
>
> I am plotting contours over maps using `map_set' to establish a
> cylindrical grid of the globe and 'contour' to plot the data, which
> covers the entire globe. For some reason some of the contours which
are
> open at the edge of the domain continue across the plot to the other
> side give me horizontal lines on my plot. This doesn't happen on all
> the open contours, just some of them. Any Ideas ?
>
> Amit amit@physics.utoronto.ca

I managed to figure out my problem and have corrected it. For those who
are interested I was having problems because I was specifying the
longitude coordinates from (0,360) instead of (-180,180), thus it was
easy to fix.


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