Re: ProductSets

• To: S Santos <s.santos@xxxxxxxxx>
• Subject: Re: ProductSets
• From: Bill Hibbard <billh@xxxxxxxxxxxxx>
• Date: Thu, 21 Apr 2005 04:01:55 -0500 (CDT)

VisAD volume rendering only works if the domain Set of your
Field is a Linear3DSet. Perhaps that's the problem.

Bill

On Thu, 21 Apr 2005, S Santos wrote:

> Hi Curtis,
>
> I've done what you say and the result isn't what I expected. See the
> attached image.
>
> Cheers,
>
> Santi.
>
> ----- Original Message -----
> From: "Curtis Rueden" <ctrueden@xxxxxxxx>
> To: "S Santos" <s.santos@xxxxxxxxx>
> Cc: <visad@xxxxxxxxxxxxxxxx>
> Sent: Wednesday, April 20, 2005 8:49 PM
> Subject: Re: ProductSets
>
>
> > Hi Santiago,
> >
> > To visualize data as a volume, you must map the three domain types to
> > XAxis, YAxis and ZAxis. Mapping a range type (in your case, Temperature)
> > to a spatial axis will not work. If you map Time to ZAxis instead, you
> > should see a volume, although I do not know if it is the volume you want
> > (your MathType does not contain any sort of depth or height type, which
> > would normally be mapped to ZAxis).
> >
> > Also, be aware that volume rendering works best when the spatial
> > resolution is equal across all three axes. In your case, the fact that you
> > have only 10 time points but 100 x 100 for lat/lon will result in a less
> > solid-looking volume. You can address this issue by resampling your data
> > to 100x100x100 (upsampling Time to 100), but of course this solution
> > requires a lot of memory.
> >
> > -Curtis
> >
> > S Santos wrote:
> >
> >> Hi all,
> >>  I'm trying to represent data from a file. The estructure of that file
> >> is:
> >>  - Longitude: 100 float values
> >>     - Latitude: 100 float values
> >>     - Time: 10 float values
> >>  These three are the domain
> >>  -Temperature: 10*100*100 float values
> >>  These values are the range
> >>  The function to represent all this is:
> >>  (Time,Longitude,Latitude)->(Temperature)
> >>  When I represent the data (XAxis-> Longitude, YAxis-> Latitude and
> >> ZAxis->Temperature) I obtain the graph of ProductSet.jpg
> >>  What I want to represent is something like desired.gif
> >>  What I'm doing bad?
> >>  Many Thanks,
> >>  Santiago.
> >
> >
> >
>

• Follow-Ups:
  • Re: ProductSets
    • From: Bill Hibbard

• References:
  • Re: ProductSets
    • From: Curtis Rueden