Robert,
The key question is whether there are function
dependencies among your variable? Specifically,
is Z a function of X and Y? If so, then you would
not add the 'p' column and the first line would be:
(x,y)->z
Tom's description of his text file format is at:
http://www.ssec.wisc.edu/~billh/README.text
Good luck,
Bill
----- Original Message -----
From: "Tom Whittaker"
To: "Robert Stones"
Subject: Re: [visad] new to visAD
Date: Thu, 19 Mar 2009 12:41:32 -0500
Another way to approach this. First, if you will allow me to remake
your text file into this:
(x,y,z)->p
x,y,z,p
1, 3, 6, 1000
2, 12, 4, 1012
8, 18, 5, 1005
9,4, 7, 990
Then in Jython:
from visad.python.JPythonMethods import *
a = load("test.txt")
dumpTypes(a)
you get:
VisAD MathType analysis
FunctionType:
Domain has 3 components:
0. RealType: x
0. Name = x
1. RealType: y
1. Name = y
2. RealType: z
2. Name = z
Range:
RealTupleType has 1 components:
0. RealType: p
0. Name = p
- - - - - - - - - - - - - - - - - - - - - - -
DataType analysis...
FlatField of length = 4
((x, y, z) -> p)
Domain has 3 components:
Irregular3DSet (x, y, z) Length = 4
Range has 1 components:
0. FloatSet (p) Dimension = 1
0. number missing = 0
Is this what's you're after? (Pardon my use of Jython -- it's just so
much quicker for me.....).
tom
On Thu, Mar 19, 2009 at 3:45 AM, Robert Stones wrote:
> Hi
>
> I am new to visAD and I am having trouble in getting my head round
> converting my 3D data
> to the visAD data objects.
>
> Do you have a very simple example - if I have a file with:
>
> x y z
> 1 3 6
> 2 12 4
> 8 18 5
> 9 4 7
>
> how do I get this into a simple Set (3DGriddedSet - none linear)
that I can
> then display
> in a 3D display.
>
> also for data where its irregular using Iregular3DSet - just a
simple
> example using the
> simple data above.
>
> Struggling to follow the tutorials - a simple example of just
reading in the
> data would
> get me on my way.
>
> Thanks
>
> Robert
>
> CSL Bioinformatics Internet Pages at
http://bioinformatics.csl.gov.uk
>
----------------------------------------------------------------------
> Robert Stones MRes, BSc Phone: +44 (0)1904 462675
> Higher Bioinformatics Specialist GTN: 5129 2675
> Central Science Laboratory Fax: +44 (0)1904 462111
> Sand Hutton Email: r.stones@xxxxxxxxxx
> York YO41 1LZ Web: http://www.csl.gov.uk
>
----------------------------------------------------------------------
>
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> visad@xxxxxxxxxxxxxxxx
> For list information, to unsubscribe, visit:
> http://www.unidata.ucar.edu/mailing_lists/
>
--
Tom Whittaker
University of Wisconsin-Madison
Space Science & Engineering Center (SSEC)
Cooperative Institute for Meteorological Satellite Studies (CIMSS)
1225 W. Dayton Street
Madison, WI 53706 USA
ph: +1 608 262 2759
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