Re: Image

Using locmax finds grid locations where there are closed contours.
Since the closed contours occur over a limited region, you
got a limited range of longitudes. *IF* that is the regression
line you want extended (extrapolated) to the grid longitude
extrtemes, it is your responsibility to perform this task.

That said, based on the text you sent you may want to
perform a regression using the max precipitation at each longitude.
This is not dependent on the closed contour concept.

It depends on what you want. Think about it.

attached is untested.

On 9/24/13 7:51 AM, Melissa Lazenby wrote:
> Hi All
>
> I have finally got somewhere with the SICZ analysis.
> I have attached an image of what the code produces and it is what I want, except for the fact that the line (regression line) is not extending from 0 to 55E as I would like. Is there anyway when I do the local_max function I can choose how many points it finds max values for? I would ideally like if it found the max value for each longitude point i.e. 37.
> At the moment it is only 9 points and they start from around 20E, not quite sure why it does this?
> Any help would be appreciated in this matter, I am a very new user of NCL and apologise for any very basic questions.
> The help so far has been invaluable to me! :)
>
> Kind Regards
> Melissa
>
>
>
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