vis5d-users Mailing List for Vis5d+

I have been asked to build Vis5D+ on our AIX 5.1 system, and I'm not
having any luck with it. The configure script right away told me I
needed to install Mesa, so I tried to build this with no luck (I need
to write the Mesa email list for info on this).
I found a precompiled Mesa library for AIX 5.1, so I downloaded this
instead. But, the Vis5D README files didn't indicate where the Mesa
libraries needed to reside. It looks like it's just doing a "-lGLU
..." and hoping that they reside in a standard location, like
/usr/lib. Also, it didn't indicate if you somehow need to work around
the issue of the proper names for the Mesa libraries (-lMesaGL or
-lGL), but I assume it just tries both.
Anyway, I modified the configure script and forced a "-L/.../..." in
front of the Mesa library (-lGL) so it would find it. It still didn't
get very far. Here's the pertinent part from the config.log file:
configure:14725: cc -o conftest -O3 -w conftest.c -L/fs/scd/home1/ncargd/test/local/src/vis5d+-1.3.0-beta/lib -lGL -lSM -lICE -lXext -lX11 -lm >&5
ld: 0711-317 ERROR: Undefined symbol: .pthread_self
ld: 0711-317 ERROR: Undefined symbol: .pthread_key_create
ld: 0711-317 ERROR: Undefined symbol: .pthread_getspecific
ld: 0711-317 ERROR: Undefined symbol: .pthread_setspecific
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
Lastly, the README files don't indicate if this should all be
happening in 32-bit or 64-bit mode. I'm doing 32-bit mode right now
(setenv OBJECT_MODE 32) because that's what the precompiled Mesa
libraries were available in.
Has anybody had luck with building Vis5D+ under AIX, and if so, would
they be willing to impart their wisdom on this subject?
Many thanks,
--Mary Haley
 ha...@uc...

Hi,
 
displaying my geological data with vis5d works fine, but sometimes I
have the requirement to display a single point or one or more vectors
(e.g. a drill hole or probe point etc.) in the 3D window. Is there a
chance to do that with vis5d?
 
Thanks,
Christian
 
------------------------------------------------------------------------
------------
 
Dipl.-Ing. Christian Lerch
Institute for Applied Geoscience
Darmstadt University of Technology
Schnittspahnstrasse 9
64287 Darmstadt
Germany
 
eMail: le...@ge...
URL: http://www.tu-darmstadt.de/fb/geo/members/lerch/lerch.htm 
 

Dr Hibbard,
Hi, I'm Gordon Brooks from the Air Force Weather Agency...you may remember
me from awhile back.
I wonder if you could give me some specifications regarding the workstation
power required to view BIG vis5d files. Certain ones reach about 2.4
GB...and certainly Sun Ultra 2's can't take them on. I was hoping you could
give me an idea what would MINIMALLY be required and what would OPTIMALLY be
required.
Thank you very much,
Gordon
Gor...@af...

Hi Gordon,
> I wonder if you could give me some specifications regarding the workstation
> power required to view BIG vis5d files. Certain ones reach about 2.4
> GB...and certainly Sun Ultra 2's can't take them on. I was hoping you could
> give me an idea what would MINIMALLY be required and what would OPTIMALLY be
> required.
For optimal performance, you need a machine with 2 or 3 times as much
memory as your file size, plus comensurate processor and graphics
speed. For a 2.4 GB file, this also means a 64-bit architecture and OS.
For minimal performance, you may be able to get away with 1 GB of memory.
However, the standard versions of Vis5D may have trouble with a 2.4 GB
file.
I'm afraid I don't have any personal experience running Vis5D with such
large files. But the NCAR folks on this list do, so hopefully they can
give you some more practical advice. I think they have a special
version of Vis5D for 64-bit architecture and files (i.e., files longer
than 2 GB). I don't know if their big data support is built into the
current Vis5d+, or if you have to obtain it from NCAR. Good luck.
Cheers,
Bill

Hi there,
I would like to set up my linux box to run vis5d (or vis5d+) in stereo
mode. Could any one out there tell me how to configure the X11 display of
my linux box (details are shown below)?
OS: RedHat 8.0
Graphics adaptor: nivdia Quadro4
Monitor: CRT monitor with a pair of 3D shutter glasses connected
Thank you very much.
Regards,
Lam.

On 2003年3月22日 he...@nu... wrote:
> We have several vis5d files on Sun Solaris and SGI Irix. We want to
> port these to Linux on Intel. Will we have to somehow convert the vis5d
> files so that vis5d on Linux/intel can read them?
>
> Will appreciate any info on the subject.
You should be abel to read the files on Linux without any changes.
Make sure to add '-DLITTLE' to CFLAGS in foo_to_v5d.c.m, if you convert
any data to .v5d files on Linux.
Good luck,
Bill

We have several vis5d files on Sun Solaris and SGI Irix. We want to
port these to Linux on Intel. Will we have to somehow convert the vis5d
files so that vis5d on Linux/intel can read them?
Will appreciate any info on the subject.
Thanks.
-Choo K.

Hello,
Where can I get PC version Vis5D, which can run in Window9X, or Windows 2000, or WindowXP?
Thanks very much,
han

Dear Sir,
I would like to know to us the netcdf file with the vis5d+. The vis5d is
support for netcdf file format, but it is not more information.
This is my netcdf file.
------>
#ncdump -c /usr2/home/mm5/MM5POST/g1.raincon.nc
netcdf g1.raincon {
dimensions:
 Xdef = 84 ;
 Ydef = 99 ;
 time = UNLIMITED ; // (11 currently)
variables:
 float Xdef(Xdef) ;
 Xdef:long_name = "longitude" ;
 Xdef:units = "degrees_east" ;
 float Ydef(Ydef) ;
 Ydef:long_name = "latitude" ;
 Ydef:units = "degrees_north" ;
 float time(time) ;
 time:long_name = "time" ;
 time:units = "hours since 2003年02月20日 12:00:00.0000" ;
 float RAINCON(time, Ydef, Xdef) ;
 RAINCON:long_name = "ACCUMULATED CONVECTIVE PRECIPITATION"
;
 RAINCON:units = "cm" ;
 RAINCON:_FillValue = -9999.f ;
// global attributes:
 :title = "MM5 version output on NetCDF format" ;
 :history = "created 23/01/2003 by Boonlert Archevarahuprok
(NetCDF3.5)" ;
data:
 Xdef = 91.92152, 92.16437, 92.40723, 92.65008, 92.89294, 93.13579,
93.37865,
 93.6215, 93.86436, 94.10721, 94.35007, 94.59292, 94.83578, 95.07863,
 95.32149, 95.56434, 95.8072, 96.05005, 96.29291, 96.53576, 96.77862,
 97.02147, 97.26433, 97.50718, 97.75004, 97.99289, 98.23575, 98.4786,
 98.72146, 98.96431, 99.20717, 99.45002, 99.69288, 99.93573, 100.1786,
 100.4214, 100.6643, 100.9072, 101.15, 101.3929, 101.6357, 101.8786,
 102.1214, 102.3643, 102.6071, 102.85, 103.0928, 103.3357, 103.5786,
 103.8214, 104.0643, 104.3071, 104.55, 104.7928, 105.0357, 105.2785,
 105.5214, 105.7643, 106.0071, 106.25, 106.4928, 106.7357, 106.9785,
 107.2214, 107.4642, 107.7071, 107.95, 108.1928, 108.4357, 108.6785,
 108.9214, 109.1642, 109.4071, 109.6499, 109.8928, 110.1356, 110.3785,
 110.6214, 110.8642, 111.1071, 111.3499, 111.5928, 111.8356, 112.0785 ;
 Ydef = 1.213016, 1.455804, 1.698567, 1.941299, 2.183997, 2.426655,
2.66927,
 2.911837, 3.154351, 3.396809, 3.639206, 3.881538, 4.123801, 4.365989,
 4.608099, 4.850128, 5.092069, 5.333919, 5.575674, 5.817329, 6.058881,
 6.300325, 6.541656, 6.782871, 7.023965, 7.264935, 7.505774, 7.746481,
 7.987051, 8.227478, 8.46776, 8.707891, 8.947869, 9.18769, 9.427347,
 9.666838, 9.906158, 10.1453, 10.38427, 10.62306, 10.86166, 11.10007,
 11.33828, 11.57629, 11.81411, 12.05171, 12.28911, 12.52629, 12.76326,
13,
 13.23652, 13.47281, 13.70886, 13.94468, 14.18025, 14.41559, 14.65067,
 14.8855, 15.12008, 15.3544, 15.58845, 15.82224, 16.05576, 16.289,
 16.52197, 16.75466, 16.98706, 17.21917, 17.451, 17.68253, 17.91376,
 18.14469, 18.37532, 18.60563, 18.83564, 19.06533, 19.29471, 19.52376,
 19.75249, 19.98089, 20.20896, 20.4367, 20.6641, 20.89116, 21.11788,
 21.34425, 21.57027, 21.79594, 22.02126, 22.24622, 22.47081, 22.69505,
 22.91891, 23.14241, 23.36554, 23.58829, 23.81066, 24.03266, 24.25427 ;
 time = 0, 3, 6.000001, 9.000002, 12, 15, 18, 21, 24, 27.00001, 30.00001 ;
}
<-------
# /usr/local/bin/vis5d /usr2/home/mm5/MM5POST/g1.raincon.nc
Setting visual to 8 bit PsuedoColor with default color map
Setting visual to 8 bit PsuedoColor with default color map
Error: not a v5d file
Error: datafile /usr2/home/mm5/MM5POST/g1.raincon.nc not found
adding file /usr2/home/mm5/MM5POST/g1.raincon.nc
Error: unrecognized file type
ERROR: Failed to open file /usr2/home/mm5/MM5POST/g1.raincon.nc as NetCDF
4 can't handle this right now
Error: datafile /usr2/home/mm5/MM5POST/g1.raincon.nc could not be loaded
Any sugession?
With Best Regards
Boonlert Archevarahuprok

Hi, 
 I am trying to install Vis5d IN WINDOWS. I am trying to install it in
Cygwin. Is there any other way to do it? Any body has any idea? I have no
idea how to start. 
Thanks. 
Best regards, 
Zhe Chen

Hi , 
Sorry for mass-mailing this basic enquiry on this list, as I hope to get more details from anyone of you in the mailing list. 
Can Vis5D be successfully built on a Pentium PC running on Win98/XP OS without any 3D Graphics Card? If yes, appreciate
if you could kindly share your experience on the essential requirements. Any comments are appreciated. 
Much thanks,
-Arthur 
Maritime Research Centre,
Nanyang Technological University
Singapore.

Vaidya,
Some background:
Out-of-the box, vis5d does not support files which are > 2 GB in
a 32 bit operating system with 32 bit integers. Some operating
system/compiler combinations can make "int" be 64 bits and it will work
fine, but I could not find a way to tell gcc on Linux to treat ints as
64 bits.
The v5dstruct structure has the following integers which are used to
navigate through a vis5d file:
 int CurPos; /* current position of file pointer */
 int FirstGridPos; /* position of first grid in file */
 int GridSize[MAXVARS]; /* size of each grid */
 int SumGridSizes; /* sum of GridSize[0..NumVars-1] */
When the size of the vis5d file exceeds 2^31 bytes (2 GB), there is an
overflow in CurPos and probably SumGridSizes. I found this out while
trying to write a large vis5d file.
My patch does the following: changes "int" to "int64_t" in variables
which refer to positioning within a vis5d file.
How to compile using my patch:
Take the patch which was attached to the file you quoted and put it in
the src directory. Type
patch < patch64
and it will modify some files.
You must then set the following envrinment variables which will be
passed to gcc during compilation. If you are using the bash shell the
command is:
export CFLAGS="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE"
If you are in some csh derivative it's
setenv CFLAGS "-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE"
Then, type configure and make.
You can then link with v5d.o and binio.o in your program which creates
vis5d files if you want to create > 2 GB files, and of course the vis5d
binary you created can read them.
I'm pretty sure that the vis5d binary that you create using my method
will be able to read vis5d files which are made using the default source
code, but I can't be 100% sure. I know it doesn't work the other way
around! What will happen if you run the default vis5d with one of my
large files is once you get 2 GB into the file all the isosurfaces and
contours get all messed up.
I have sent my patch to the vis5d list but I don't think there is any
development going on right now. There may be a "better way" to make
vis5d work with these large files, but I think my way is sound.
Incidentally, just to make sure, you have to be using a filesystem that
supports > 2 GB files, such as ext3 or reiserfs... ext2 does not. Most
modern Linux distros come with these filesystems, and I would strongly
recommend that you use either on on all of your main partitoins.
Leigh
vaidyasubramanian chandrasekhar wrote:
| Leigh orf,
| Iam Vaidya from EVL @uic working on the vis5d and getting it on the geo
| wall. I received your mail for runnning huge datasets > 2G on vis5d, I am
| not too sure where the patches need to be added and then what to excatly
| do,.
| 
| Can you please tell me where the patch needs to be added and where the
| changes need to be done .?
| 
| The smaller vis5d data sets load and are animated in the geowall and hence
| I persume the problem as you had suggested is due to the large data sets.
| 
| regards
| 
| vaidya 

Thanks Leigh. Vaidya will look into it and let you know how it goes.
Jason
----------------
Jason Leigh, PhD
Associate Professor, Computer Science Department
sp...@ev... Electronic Visualization Lab (M/C 152)
EVL Phone (312) 996-3002 University of Illinois at Chicago
EVL FAX (312) 413-7585 851 S. Morgan St. Room 1120 SEO
http://www.evl.uic.edu/spiff Chicago, IL 60607-7053 
> -----Original Message-----
> From: or...@or... [mailto:or...@or...] On 
> Behalf Of Leigh Orf
> Sent: Thursday, February 13, 2003 8:08 AM
> To: vaidyasubramanian chandrasekhar
> Cc: Jason Leigh; vis...@ss...
> Subject: Re: 3G files 
> 
> 
> 
> Vaidya,
> 
> Some background:
> 
> Out-of-the box, vis5d does not support files which are > 2 GB 
> in a 32 bit operating system with 32 bit integers. Some 
> operating system/compiler combinations can make "int" be 64 
> bits and it will work fine, but I could not find a way to 
> tell gcc on Linux to treat ints as 64 bits.
> 
> The v5dstruct structure has the following integers which are 
> used to navigate through a vis5d file:
> 
> int CurPos; /* current position of file pointer */
> int FirstGridPos; /* position of first grid in file */
> int GridSize[MAXVARS]; /* size of each grid */
> int SumGridSizes; /* sum of GridSize[0..NumVars-1] */
> 
> When the size of the vis5d file exceeds 2^31 bytes (2 GB), 
> there is an overflow in CurPos and probably SumGridSizes. I 
> found this out while trying to write a large vis5d file.
> 
> My patch does the following: changes "int" to "int64_t" in 
> variables which refer to positioning within a vis5d file.
> 
> How to compile using my patch:
> 
> Take the patch which was attached to the file you quoted and 
> put it in the src directory. Type
> 
> patch < patch64
> 
> and it will modify some files.
> 
> You must then set the following envrinment variables which 
> will be passed to gcc during compilation. If you are using 
> the bash shell the command is:
> 
> export CFLAGS="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE"
> 
> If you are in some csh derivative it's
> 
> setenv CFLAGS "-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE"
> 
> Then, type configure and make.
> 
> You can then link with v5d.o and binio.o in your program 
> which creates vis5d files if you want to create > 2 GB files, 
> and of course the vis5d binary you created can read them.
> 
> I'm pretty sure that the vis5d binary that you create using 
> my method will be able to read vis5d files which are made 
> using the default source code, but I can't be 100% sure. I 
> know it doesn't work the other way around! What will happen 
> if you run the default vis5d with one of my large files is 
> once you get 2 GB into the file all the isosurfaces and 
> contours get all messed up.
> 
> I have sent my patch to the vis5d list but I don't think 
> there is any development going on right now. There may be a 
> "better way" to make vis5d work with these large files, but I 
> think my way is sound.
> 
> Incidentally, just to make sure, you have to be using a 
> filesystem that supports > 2 GB files, such as ext3 or 
> reiserfs... ext2 does not. Most modern Linux distros come 
> with these filesystems, and I would strongly recommend that 
> you use either on on all of your main partitoins.
> 
> Leigh
> 
> vaidyasubramanian chandrasekhar wrote:
> 
> | Leigh orf,
> | Iam Vaidya from EVL @uic working on the vis5d and getting 
> it on the geo
> | wall. I received your mail for runnning huge datasets > 
> 2G on vis5d, I am
> | not too sure where the patches need to be added and then 
> what to excatly
> | do,.
> | 
> | Can you please tell me where the patch needs to be added 
> and where the
> | changes need to be done .?
> | 
> | The smaller vis5d data sets load and are animated in the 
> geowall and hence
> | I persume the problem as you had suggested is due to the 
> large data 
> | sets.
> | 
> | regards
> | 
> | vaidya
> 

Dear vis5d users,
Hello, I am a research engineer in Japan.
I use Vis5d and have a question about vis5d scripting.
I want to use the following command.
----------------------------------------------------------
vis5d_get_time_stamp context timestep 
Returns the date and time associated with the given timestep as a list of two elements: 
{YYDDD HHMMSS}. Timestep 0 is the first timestep. 
----------------------------------------------------------
But, when I use it, date and time is output in the following style.
day - date of the timestep in days since 1/1/1900 
time - time of the timestep in seconds since midnight
How should I do to output [YYDDD HHMMSS] ?
And is it possible to output [YY], [DDD], and [HHMMSS] individually ?
Thank you.
Sincerely,
Tomohiro Hara
Tomohiro HARA
RESEARCH ENGINEER, FLUID DYNAMICS LABORATORY
 
MITSUBISHI HEAVY INDUSTRIES, LTD.
TECHNICAL HEADQUARTERS 
NAGASAKI RESEARCH & DEVELOPMENT CENTER
5-717-1, HUKAHORI-MACHI, NAGASAKI 850-0392, JAPAN
TEL : +81-95-834-2832
FAX : +81-95-834-2385
E-MAIL: ha...@ng... 

Hello,
We installed vis5d 5.2 on sun and it's running but I have a problem.
Suppose I run vis5d with 2 data sets: dataset1 and dataset2. I have 2
dispaly windows open and could plot any variables from each data set on
corresponding display. If I try to assign dataset2 to display1, where
dataset1 already assigned, and try to plot dataset2 on display1 I have
an error message "Segmentation fault". It's happend only if I try to
plot dataset2 on display1. Dataset1 plotted OK on dispaly1 when both
datasets assigned to dispaly1. What would you suggest in this case?
Sincerely,
Irene

Dumb, but I noticed using X-win32 5.4 that I had to check the box to 
enable GLX buffering, I couldnt recall previously doing that. (is the 
box checked?)
Garry
he...@nu... wrote:
> Irene
> 
> Just FYI.
> I've had similar problems with vis5d+ and reverted to 5.2.
> I did some experiments and found that Hummingbird Exceed 7.0 (PC X
> server) can handle vis5d+ but not X-Win32 5.4. X-Win32 5.4 could
> display vis5d-5.2. (We couldn't justify spending $$$$$$$ on Exceed, so
> stuck with XWin32.)
> 
> -Kek
> 
> Irene Shumyatsky wrote:
> 
>>Hello,
>>
>>While trying to run vis5d+ I got error message:
>>Xlib: extension "GLX" missing on display "sushi:0.0".
>>Error: couldn't get RGB, Double-Buffered, Depth-Buffered GLX visual!
>>
>>Is anybody out there know what's going on?
>>The vis5d+ is installed on sun and I'm accessing it from PC X-server.
>>I didn't have this problem with vis5d 5.0-5.2. Please help!
>>
>>Irene
>>
>>"Steven G. Johnson" wrote:
>>
>>>bunzip2: http://sources.redhat.com/bzip2/
>>>
>>>Use the .tar.gz version if you don't have bunzip2 (which is standard on
>>>most GNU/Linux distributions)
>>>
>>>On 2003年1月31日, Irene Shumyatsky wrote:
>>>
>>>
>>>>Hi,
>>>>
>>>>What is .bz2 and how can I unzip vis5d+-1.3.0-beta.tar.bz2?
>>>>
>>>>Irene
>>>
-- 
Garry Keltie
gar...@rm...
Interactive Information Institute &
School of Architecture and Design
RMIT
... .... .. _ .... ._ .__..__. . _._. ...

Irene
Just FYI.
I've had similar problems with vis5d+ and reverted to 5.2.
I did some experiments and found that Hummingbird Exceed 7.0 (PC X
server) can handle vis5d+ but not X-Win32 5.4. X-Win32 5.4 could
display vis5d-5.2. (We couldn't justify spending $$$$$$$ on Exceed, so
stuck with XWin32.)
-Kek
Irene Shumyatsky wrote:
> 
> Hello,
> 
> While trying to run vis5d+ I got error message:
> Xlib: extension "GLX" missing on display "sushi:0.0".
> Error: couldn't get RGB, Double-Buffered, Depth-Buffered GLX visual!
> 
> Is anybody out there know what's going on?
> The vis5d+ is installed on sun and I'm accessing it from PC X-server.
> I didn't have this problem with vis5d 5.0-5.2. Please help!
> 
> Irene
> 
> "Steven G. Johnson" wrote:
> >
> > bunzip2: http://sources.redhat.com/bzip2/
> >
> > Use the .tar.gz version if you don't have bunzip2 (which is standard on
> > most GNU/Linux distributions)
> >
> > On 2003年1月31日, Irene Shumyatsky wrote:
> >
> > > Hi,
> > >
> > > What is .bz2 and how can I unzip vis5d+-1.3.0-beta.tar.bz2?
> > >
> > > Irene

Hello,
While trying to run vis5d+ I got error message:
Xlib: extension "GLX" missing on display "sushi:0.0".
Error: couldn't get RGB, Double-Buffered, Depth-Buffered GLX visual!
Is anybody out there know what's going on?
The vis5d+ is installed on sun and I'm accessing it from PC X-server.
I didn't have this problem with vis5d 5.0-5.2. Please help!
Irene
"Steven G. Johnson" wrote:
> 
> bunzip2: http://sources.redhat.com/bzip2/
> 
> Use the .tar.gz version if you don't have bunzip2 (which is standard on
> most GNU/Linux distributions)
> 
> On 2003年1月31日, Irene Shumyatsky wrote:
> 
> > Hi,
> >
> > What is .bz2 and how can I unzip vis5d+-1.3.0-beta.tar.bz2?
> >
> > Irene

....
The Reverse Button in my Vis5d software does not work properly.... Any idea 
taht help me to fix this?
PD: I am running the Vis5d+ version of vis5d

> Pressing SAVE button on control panel always cause segmentation fault,
> so I can't save my setting in vis5d. Is it a known bug which might be
> already fixed? What would you suggest in this case?
This probably depends on Vis5D version and machine configuration.
Try Vis5d+ if you are not already.
Bill

Hello Bill,
Pressing SAVE button on control panel always cause segmentation fault,
so I can't save my setting in vis5d. Is it a known bug which might be
already fixed? What would you suggest in this case? 
Sincerely,
Irene

Nestor Waldyd writes: 
> .... 
> 
> Where can i find documentation (Instructions) about Vis5d+ installation? 
> 
> ...
Information about vis5d+ can be found at the website:
http://vis5d.sf.net 

hi,
http://www.evl.uic.edu/cavern/agave/vis5d/index.html
the above link has all the instructions
hope this helps.
Vaidyasubramanian Chandrasekhar
CS @ UIC
--- Nestor Waldyd <nw...@up...> wrote:
> ....
> 
> Where can i find documentation (Instructions) about
> Vis5d+ installation?
> 
> ...
__________________________________________________
Do you Yahoo!?
Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
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....
Where can i find documentation (Instructions) about Vis5d+ installation?
...

Well, relatively cheap...
See http://www.evl.uic.edu/cavern/agave/vis5d for a description of how
to get vis5d to work with a GeoWall ( http://www.geowall.org ) which is
sort of like an immersadesk only using off-the-shelf hardware.
I will be building a GeoWall this summer at Central Michigan University
and expect to use vis5d as a teaching tool in the classroom. Students
get to weare nerdy goggles, that ought to be a plus. Seriously, this is
something that I think some of you may find worth checking out.
You can build a GeoWall, which consists of two data projectors, a
computer with a certain kind of graphics card, and a special projection
screen that preserves polarization, for around 10,000ドル.
I have not yet seen one of these in action but I am told the stereo effect
is on line with the stereo IMAX movies, and uses the same basic technology.
Leigh
--
Leigh Orf
KG4ULP
Assistant Professor of Atmospheric Sciences
University of North Carolina
Asheville, NC 28804