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Re: map_set - 8-element limit [message #12420 is a reply to message #12413] Wed, 29 July 1998 00:00 Go to previous messageGo to previous message
wmc is currently offline  wmc
Messages: 117
Registered: February 1995
Senior Member
1027cc2b682ba60989819@news.frii.com, davidf@dfanning.com (David Fanning) writes:
> William Connelly (wmc@bas.ac.uk) writes:

>> map_set,lim=[-65,-180, -65,-90, -65,0, -65,90],/grid,/cont,/iso,/ster,-90
>>
>> ought to work (all pts along 65 S, regularly spaced in longitude)
>> since its a perfectly good square in physical space coordinates.

> I'm confused. How can points that line along a line on a map
> surface be a square in physical space coordinates?

I've set /ster, so I should be getting a polar stereographic projection.
Thus the points are:


-65,0
|
|
-65,-90 -----+----- -65,90
|
|
-65,-180

Of course, if you think about the points in a lat-lon projection, then they are
in a straight line.

- William

---
William M Connolley | wmc@bas.ac.uk | http://www.nbs.ac.uk/public/icd/wmc/
Climate Modeller, British Antarctic Survey | Disclaimer: I speak for myself
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