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[IDV #JNS-730828]: volume rendering creates solid cube

Alexa,

Yes we have an annual presence at the AGU meeting in SF each year.

Best,

Unidata IDV Support

> Thank you for your reply.
> 
> Yes, we were able to fix that longitude problem, using a Fortran script
> that reversed the sign of the longitude values in the output files. Agreed
> - isosurfaces look much better with this dataset! Unfortunately, I'm not
> going to the AMS meeting. Do you guys ever go to AGU?
> 
> All the best
> 
> Alexa
> 
> 
> address@hidden> wrote:
> 
> > Alexa,
> >
> > This is the same data we were looking at before, correct? Were you able to
> > clean up the data with respect to the longitude problem we saw before?
> >
> > At any rate, I was able to visualize the data with no problems in the IDV
> > just as you did. My only suggestion is you may wish to experiment with the
> > 3D Surface -> Isosurface option instead of volume rendering. This will at
> > least have the advantage of rendering much quicker than volume rendering --
> > your dataset is quite large. Also, it may clean up some of the
> > visualization artifacts you are reporting.
> >
> > Lastly, if you are going to the AMS meeting in Atlanta, stop by the
> > Unidata booth for in-person IDV help.
> >
> > Best,
> >
> > Unidata IDV Support
> >
> > > Sorry, me again. Actually, I was doing the volume rendering this whole
> > time
> > > - I just needed to change the color settings so the structure could show
> > up
> > > (sigh). I attach a screenshot of what I came up with. It looks quite
> > > artifact-y around the edges, but is that about what I should expect from
> > > this option?
> > >
> > > Many thanks in advance for you patience!
> > >
> > > All the best
> > >
> > > Alexa
> > >
> > >
> > >
> > >
> > > On Tue, Jan 7, 2014 at 4:19 PM, Van eaton, Alexa <address@hidden>
> > wrote:
> > >
> > > > As a follow-on to the previous email, I found that I can create a
> > "point
> > > > volume" plot. I wonder if this narrows down the problem at all?
> > > >
> > > >
> > > > On Tue, Jan 7, 2014 at 3:50 PM, Van eaton, Alexa <address@hidden
> > >wrote:
> > > >
> > > >> Hello Unidata IDV Support,
> > > >>
> > > >> I ran into some issues today using the volume rendering option for my
> > > >> dataset (it creates a solid cube). I wondered if you might have any
> > ideas
> > > >> for troubleshooting.
> > > >>
> > > >> I read that previous users solved this problem by unchecking "3d
> > texture"
> > > >> under the displays option, but this did not change anything for me.
> > > >>
> > > >> My system uses the following:
> > > >>
> > > >> Ubuntu 12.04.2 LTS (64-bit)
> > > >> 64-bit Java-7-oracle v. 1.7.0_25
> > > >> nVIDIA G92 GeForce GTS 250 graphics card
> > > >>
> > > >> My machine has 4G memory, and when I attempt the volume rendering on a
> > > >> single timestep, the application uses only ~25% of the available
> > memory, so
> > > >> it seems this is not the main issue. I checked that I am indeed using
> > the
> > > >> nVIDIA graphics card - is it simply not beefy enough to perform this
> > > >> operation?
> > > >>
> > > >> Any ideas would be really appreciated!
> > > >>
> > > >> All the best
> > > >>
> > > >> Alexa
> > > >>
> > > >> --
> > > >
> > > >
> > > >
> > > > --
> > >
> > >
> > >
> > > --
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: JNS-730828
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> >
> 
> 
> --
> 


Ticket Details
===================
Ticket ID: JNS-730828
Department: Support IDV
Priority: Normal
Status: Closed