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Re: Interpolation from irregular to regular grid [message #49734 is a reply to message #49666]

Wed, 09 August 2006 22:23

manodeep@gmail.com
Messages: 33
Registered: June 2006

Member

Well for one thing, its much easier to generate projections from a
regular grid than from a
a set of N points in space. And you have to be careful while performing
the gridding by making sure *some* quantity is conserved thereby
determining the optimal grid size.

adisn123@yahoo.com wrote:
> Hi,
>
> WHile reading a paper relavant to my project, I found one thing really
> questioning.
>
> THe paper used an interpolation method to obtain a regular
> three-dimensional grid
> from the irregular three -dimensional data set.
>
> I wonder whether there is any advantages in reforming an irregular data
> grid to a regular grid.
> Whatever the irregular data points are, aren't there the real data? If
> you change to a regular grid, then don't the data values slightly
> change?
>
>
> That is,
> my question will be
> when, and why do we want to change from an irregular grid to a regular
> grid in 3D?

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[Message index]

		Interpolation from irregular to regular grid By: adisn123 on Tue, 08 August 2006 12:24
		Re: Interpolation from irregular to regular grid By: James Kuyper on Thu, 10 August 2006 10:54
		Re: Interpolation from irregular to regular grid By: manodeep@gmail.com on Wed, 09 August 2006 22:23

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