| Re: problem with output on PS device / TVREAD [message #70244 is a reply to message #70243] |
Thu, 25 March 2010 11:37   |
penteado
Messages: 866
Registered: February 2018
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Senior Member
Administrator |
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On Mar 25, 2:17 pm, David Fanning <n...@dfanning.com> wrote:
> I opened a netCDF file up, saved the image data, latitude,
> and longitude arrays out, and called iMap in the manner
> described above.
>
> I got a pop-up that asked me if I wanted to start the
> "Gridding Wizard". I didn't realize I had started a
> fantasy game, but "Sure, what the hell!". I went through
> several screens, and finally got to something that allowed
> me to set the missing data value in the image. Nice!
>
> OK, so then I waited a couple of minutes while the "wizard",
> or whoever it is, was thinking about things. About the time
> I was thinking about going to get a sandwich, the wizard
> disappeared and something that I can only describe as a
> large, smashed bug of some type appeared in the center of
> a very large window.
>
> I don't know. I presume that is my image on a map projection.
> But it really doesn't resemble anything I've ever seen before.
>
> Meantime, I could have run about 10 of the tools I have around
> here for displaying images on maps, and I would have seen something
> that looked VERY much like what I expected to see.
In Clément's case, the gridding wizard would not pop up, which is one
of the reasons I said I find imap the easiest way.
The gridding wizard is only to interpolate the data when it is not in
a regular grid. I agree the wizard is awkward to use (not just because
it is interactive), so for irregular data I might have used
triangulate and trigrid() first, then passed to imap the regularly
sampled result, so that the wizard would be avoided.
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