| Re: idlgrcontour and clip_planes ? [message #65099] |
Tue, 10 February 2009 14:34  |
ghgm2008
Messages: 17
Registered: December 2008
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Junior Member |
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On Feb 10, 12:47 pm, David Fanning <n...@dfanning.com> wrote:
> ghgm writes:
>> Any info/advice on clipping the contours ? Is clip_planes the way to
>> go ? How on Earth does it work ? All I've managed to do so far
>> is make the contour plot disappear.
>
> One on my favorite stories of all time is "Directions"
> in the Barry Lopez collection _Desert Notes_, my favorite
> book of all time. Anyway, this reminds me of the story.
> Lopez would say, "You are almost half-way there. Press on." :-)
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Coyote's Guide to IDL Programming (www.dfanning.com)
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
OK,
nice piece of non help ;o) - but it did work....
This gets the job done - it clips everything to the West of -135. and
everything East of -55.
map_contour -> SetProperty, clip_planes=[[-1.,0.,0.,-135.],
[1.,0.,0.,55.]]
It "kind of" makes sense but is making my head hurt a little (I know
I'm too precious).
Anyhow, following the logic of the 2 clip planes above I should be
able to work out other ones.
Err, thanks David.
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| Re: idlgrcontour and clip_planes ? [message #65152 is a reply to message #65099] |
Thu, 12 February 2009 07:53  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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ghgm writes:
> nice piece of non help ;o) - but it did work....
>
> This gets the job done - it clips everything to the West of -135. and
> everything East of -55.
>
> map_contour -> SetProperty, clip_planes=3D[[-1.,0.,0.,-135.],
> [1.,0.,0.,55.]]
>
> It "kind of" makes sense but is making my head hurt a little (I know
> I'm too precious).
> Anyhow, following the logic of the 2 clip planes above I should be
> able to work out other ones.
I've used Barry Lopez's advice for years, always with
great success. I'm not surprised it has worked again. :-)
Cheers,
David
--
David Fanning, Ph.D.
Coyote's Guide to IDL Programming (www.dfanning.com)
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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