| Re: GRID3 [message #73982 is a reply to message #5003] |
Tue, 14 December 2010 09:27   |
Fourier
Messages: 2
Registered: December 2010
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Junior Member |
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On Dec 14, 12:07 pm, Paulo Penteado <pp.pente...@gmail.com> wrote:
> On Dec 14, 2:59 pm, David Fanning <n...@dfanning.com> wrote:
>
>> I think GRID3 is designed to work with "scattered nodes".
>> I don't think it is going to like the sort of regularly
>> gridded data it sounds like you are giving it. Do you have
>> anything you are really trying to grid here, or are you
>> just trying to get these arrays into Slicer?
>
>> If you really want to grid something, I would try giving
>> your Grid locations a "shake" and adding a little bit of
>> random noise to their positions.
>
> That is what I was wondering. If the points are already in a regular
> grid, why grid them?
Thanks for the quick replies. As you can see I am relatively new to
using IDL.
What I am trying to do is interpolated the volume emission rates for a
given line of sight through the volume emission rate grid. The line of
sight has a set of three 1D arrays specifying the alt, lat, and lon
along the line of sight for a given distance away from a satellite's
detector. I was hoping to use these line of sight arrays as the
(Gx,Gy,Gz) of the GRID3 routine. The desired output is the
interpolated volume emission rates along the desired line of sight.
Would there be a better way of doing this interpolation? I will check
into the SLICER routine. Again thanks for any help.
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