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Re: 3d surface plot
From: |
David Bateman |
Subject: |
Re: 3d surface plot |
Date: |
Sat, 26 Apr 2008 03:08:36 +0200 |
User-agent: |
Thunderbird 2.0.0.12 (X11/20080306) |
Jordi Gutiérrez Hermoso wrote:
> On 25/04/2008, Floyd poole <address@hidden> wrote:
>> Is it possible to create a 3d image of several thousand depth measurements?
>> I have a two axis scanner, which provides x and y data, but I cant figure
>> out how to get a 3d image of a corrosion map.
>
> I'm guessing your data is not on a grid? Geophysical fluid data seldom
> is. Supposing you have a large nx3 matrix where you have x, y, and z
> coordinates along columns, you can use the griddata or delaunay
> functions, both in the geometry 'Forge package. The griddata function
> will interpolate your irregular grid to some regular grid you can
> define, and the delaunay function does what its name suggests.
>
> HTH,
> - Jordi G. H.
delaunay and griddata are in Octave itself as of Version 3.0 (or in fact
a bit before)
D.
- Re: 3d surface plot, (continued)
- Re: 3d surface plot, Floyd poole, 2008/04/29
- Re: 3d surface plot, Ben Abbott, 2008/04/29
- Message not available
- Re: 3d surface plot, Ben Abbott, 2008/04/30
- Message not available
- Re: 3d surface plot, Ben Abbott, 2008/04/30
- Re: 3d surface plot, Floyd poole, 2008/04/30
Re: 3d surface plot, Jordi Gutiérrez Hermoso, 2008/04/25
- Re: 3d surface plot,
David Bateman <=
- Message not available
Re: 3d surface plot, Jaroslav Hajek, 2008/04/26