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[IDV #ELQ-222858]: ati + linux status

Hi Kevin-

> I can confirm that the NAM211 wspd volume rendering is slowwwwww . . .
> and some of the frames get skipped when it loops.
> Then again, it is a 2006-era machine and videocard.
> 
> I wonder if as a general rule, until/unless ATI's graphics adapters have
> decent Linux support (yeah, right!), that a recommendation to use Nvidia
> graphics if using Linux should be part of the documentation?

I generally recommend that, but it seems like more machines come with ATIs than 
NVidia, especially laptops.  I'll be updating the docs next week for the 
release, so will look at adding some verbage.  Thanks for the suggestion.

Have a good weekend.  We're hoping for temps above 40. ;-)

Don 
> On 01/08/2010 06:21 PM, Unidata IDV Support wrote:
> > Hi Kevin-
> >
> >
> >> I tried the ATI proprietary driver, but I got the same warning and IDV
> >> crashed.  The generic radeon driver does indeed work.
> >>
> > Okay.
> >
> >
> >> It was mentioned in the 2008 email that installing J3d 1.3.1 was an
> >> option . . . is this still worth pursuing?
> >>
> > I'd shy away from that.  It's a really old version and there are lots of 
> > features from the 1.5.2 Java 3D that we are starting to use for performance 
> > tuning.
> >
> > Don
> >
> >
> >> On 01/08/2010 06:03 PM, Unidata IDV Support wrote:
> >>
> >>> Hi Kevin-
> >>>
> >>>
> >>>
> >>>> I just wanted to see if there is any updated advice (since the 9/03/08
> >>>> IDV support email that is in the archive) or alternate JRE installer for
> >>>> running 2.8b2 with an ATI graphics card on linux.  With a Radeon X600
> >>>> that most of our electronic maproom machines possess, we get the "GLX =
> >>>> 1.2 detected . . . opengl will run with
> >>>> reduced functionality" warnings . . .
> >>>>
> >>>> Amazing that this "known bug" has still not been fixed either by ATI or
> >>>> the java3d folks . . .
> >>>>
> >>>> Is there really an impact on IDV functionality?
> >>>>
> >>>>
> >>> Generally, it doesn't seem to affect performance from my experience 
> >>> unless you are doing volume rendering or have lots of 3D displays 
> >>> (isosurfaces, cross sections, etc).  You can load the Displays->Favorite 
> >>> Bundles->NAM 211->Windspeed Volume Rendering bundle and seem if rotating 
> >>> the display seems sluggish.
> >>>
> >>> Are you using the ATI special driver or the generic linux ATI driver?
> >>>
> >>> Don
> >>>
> >>> Ticket Details
> >>> ===================
> >>> Ticket ID: ELQ-222858
> >>> Department: Support IDV
> >>> Priority: Normal
> >>> Status: Open
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >
> > Ticket Details
> > ===================
> > Ticket ID: ELQ-222858
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> >
> >
> >
> 
> 


Ticket Details
===================
Ticket ID: ELQ-222858
Department: Support IDV
Priority: Normal
Status: Open