Re: [osg-users] polytopeIntersector
Hi Gianloca, Gianluca Natale wrote: Hi, I went deeply in debug into my code, and I discovered that the problem is in OSG v.2.2. Actually it returns the object with the shortest node path among those in the intersection vector. Was it a known bug? No, I do not consider this a bug. As a polytope has no concept of near or far the order of the result is actually arbitrary. Of course the method-name getFirstIntersection is misleading... To overcome this shortcoming I introduced the concept of ReferencePlane to the PolytopeIntersector which probably does what you want but my modifications did not make it into OSG 2.2. If you must use 2.2, you could try to take the PolytopeIntersector from the current OSG dev Release, rename it to MyPolytopeIntersector and use with 2.2. Thanks in advance Gianluca Peter -- creating IT solutions Peter Hrenkascience + computing ag Software Solutions Hagellocher Weg 73 phone +49 7071 9457 263 72070 Tuebingen, Germany fax +49 7071 9457 511 [EMAIL PROTECTED] www.science-computing.de -- Vorstand/Board of Management: Dr. Bernd Finkbeiner, Dr. Florian Geyer, Dr. Roland Niemeier, Dr. Arno Steitz, Dr. Ingrid Zech Vorsitzender des Aufsichtsrats/ Chairman of the Supervisory Board: Prof. Dr. Hanns Ruder Sitz/Registered Office: Tuebingen Registergericht/Registration Court: Stuttgart Registernummer/Commercial Register No.: HRB 382196 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] RE : Re: osgvolume not running on Linux
Hello, I doubt it is a problem with the my driver because I am using a driver supplied by nVIDIA. The osgvolume example runs perfectly on Windows but not on Linux. The osgTexture3D also runs perfectly on Linux so I don't think it has something to do with the lack of 3D texture support on Linux like Robert suggested. Any other advice? Regards, Franclin. Mike Weiblen [EMAIL PROTECTED] a écrit : Hi, turn up the OSG notify level to get more detailed output about what's failing. I'd suspect a GPU/driver OpenGL extension issue rather than the OS. What graphics h/w are to trying to use? -- mew On Sat, January 12, 2008 15:01, Franclin Foping wrote: Hello everyone, I am currently working on a volume rendering program and I thought I could start by the build-in example osgvolume. However it doesn't work on Linux not sure why? In fact, when I run it the program exits immediately and returns 0, meaning that it terminates properly. Anyone can help? Other examples work perfectly. Any documentation about osgvolume? What is it supposed to do? Waiting for your reply. Franclin. - Ne gardez plus qu'une seule adresse mail ! Copiez vos mails vers Yahoo! Mail ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org - Ne gardez plus qu'une seule adresse mail ! Copiez vos mails vers Yahoo! Mail ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Test (ignore this)
This is a test to see if the lists are down; a post I made earlier today never made it through. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenFlight cow for Christmas
Hi Gordon, Paul,
This was a heartening thread as it prompted me to get back and try yet
again to get reflection mapped objects in Creator appearing that way in OSG.
I understand the modelling side of multitexturing in Creator (I hope)
but could never see the results in OSG based viewers when loaded as flt
or saved and loaded as osg/ive formats. The OSGExp project was such a
watershed in that department.
Having a read of the cow.osg sample data I see that there are
consistently missing attributes when exporting from openflight. I get
results similar to what I see in the Creator window when I add to my
destined environment/reflection map
TextureUnit[n]:
GL_TEXTURE_GEN_S ON
GL_TEXTURE_GEN_T ON
and a:
TexGen {
DataVariance STATIC
mode REFLECTION_MAP //or SPHERE_MAP
}
For reference, OSGExp, when exporting a reflection mapped object,
appears to include amongst many other things (perhaps just for good
measure?):
GL_TEXTURE_GEN_S ON
GL_TEXTURE_GEN_T ON
GL_TEXTURE_GEN_R ON
GL_TEXTURE_GEN_Q ON
TexGen {
mode SPHERE_MAP
}
Would this be an OpenFlight loader issue that is under consideration
with read/write and OpenFlight? I also notice that when writing osg
files that my texture attributes (min/mag filters) are largely ignored
and appear to be respected when writing ive files.
(Using release ver. 2.2.0)
Cheers
Garry
Hi Paul
Depends on what you mean by Sphere mapping :)
OpenFlight and Creator support Spherical, Radial and Environment
texture mapping among the normal texture methods in this case I think
you mean(maybe) what Creator calls Environment mapping
This is done in Creator very easily, through the texture tool box,
select geom., select texture, in the case of Environment select the
tool and your done and this can be seen in Creator ( Unlike the old
days of Multigen II, we used the special 1/2 field to mark
group/objects to be mapped nice shine environment, for metal, glass
etc ),
These methods when used add an entry to the Texture Mapping Palette
with there type set to Spherical, Radial and Environment, so this
should not be too hard to add (hopefully)
__ Gordon
Tomlinson
Here's a Christmas gift -- the OSG cow converted to OpenFlight. This
was created using the new OSG OpenFlight export plugin, which is
currently in development and should be ready for some beta testing in
the February/March timeframe.
Caveats:
* To view this in OSG, use the SVN head. (This model requires
Continuation record support, which wasn't in OSG v2.2.)
* There is no sphere mapping equivalent in OpenFlight (if I'm wrong,
please correct me) so you really don't want texture mapping. To
disable texture mapping in osgviewer, hit the 't' key. You should see
a lit white cow.
Nonetheless, it's the cow converted to OpenFlight! Which is pretty
cool.
Thanks to Bob Kuehne and Dave Wolfe for their help on this project so
far (and also to our client funding the project, who wishes to remain
anonymous).
Paul Martz
--
Garry Keltie
garry.@rmit. .au
keltieedu
VR Centre - Research Innovation
RMIT University
/ ... .. - / .- .--. .--. . -. . -..
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Re: [osg-users] Test
ignored ;) -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert Osfield Sent: Thursday, January 17, 2008 1:44 PM To: OpenSceneGraph Users Subject: [osg-users] Test Please ignore ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] osg::DatabasePager and paged lod database
Hi,
I would like to view a pagedlod database that has one
pagedlod child via osgViewer(both the master file and
the paged lod file's are in osg format).
I add database pager to osgViewer, yet the paged
database could not be viewed in the viewer.The non
paged lod database (in flt format) can be viewed
without any problems. Has anybody else encountered
this problem?
I think that the paged lod database I have generated
from openflight database(via a code I have found from
this mailing list, which don't seem to have any flaws
in it) is not valid. However, i can not see any
problem in the files. And, the viewer can not view the
database.
The general structure of the paged lod database master
file is,
Group {
DataVariance UNSPECIFIED
name SomeNode
nodeMask 0x
cullingActive TRUE
num_children 1
Group {
DataVariance UNSPECIFIED
name g0
nodeMask 0x
cullingActive TRUE
num_children 1
Group {
DataVariance UNSPECIFIED
name g0
nodeMask 0x
cullingActive TRUE
num_children 1
Group {
DataVariance UNSPECIFIED
name g1
nodeMask 0x
cullingActive TRUE
num_children 1
PagedLOD {
DataVariance UNSPECIFIED
nodeMask 0x
cullingActive TRUE
Center 13806.9 24056.3 1079.8
Radius 964.735
RangeMode DISTANCE_FROM_EYE_POINT
RangeList 1 {
0 5000
}
NumChildrenThatCannotBeExpired 0
FileNameList 1 {
flight0_0.osg
}
num_children 0
}
}
}
}
}
Do you see any problems?
Thanks in advance
Never miss a thing. Make Yahoo your home page.
http://www.yahoo.com/r/hs
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[osg-users] Slow day
Just testing, haven't seen any posts in 16 hours. Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com http://www.skew-matrix.com/ 303 859 9466 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] pulsating cull time with lightpoints
I have a model of hundreds of lightpoints on the ground, each lightpoint with an associated small light model (taxiway lights at an airport). Looking at this .osg model in osgviewer, the CULL time has a 2Hz pulse, where it jumps from approx 6ms up to 12ms about twice a second. Sometimes it will even get stuck up at 12+ms for a few seconds before dropping back down to a 2Hz pulse. What could potentially cause this pulsating cull time? I have other sets of lightpoints/model (runway lights) that don't exhibit any pulsating. Also, even a 6ms cull time seems a bit expensive (the draw time is a reasonable 1ms). Each of the hundreds of lightpoints and models were positioned with a STATIC matrix transform (which would be flattened and optimized out on load?), with a top DYNAMIC matrix transform over the whole group (to position it in real-world airport coordinates). Can this be re-organized to reduce the cull time? Thanks. Bob. -- Robert E. Balfour, Ph.D. Exec. V.P. CTO, BALFOUR Technologies LLC 960 South Broadway, Suite 108, Hicksville NY 11801 Phone: (516)513-0030 Fax: (516)513-0027 email: [EMAIL PROTECTED] ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] stereo projector support in OpenSceneGraph
Hi , i do heaps of stereoscropic stuff with quadro cards. If you your projector takes 2 input sources, you can try connect to the two dvi ports on a single quadro card. then go the driver of the quadro card driver section and put the qudro into clone mode so that you get the same single desktop display on both outputs. The go to the advanced properties section on the quadro card and enable the stereoscopic feature, then select "clone mode stereo" as the stereo type. Then you can run any stereoscopic application that uses the standard "quad buffer frame sequential" opengl sterescopic format and the quadro driver will auto convert it to the clone stereo mode. In addition of course you could also try putting the quadro card into a dual view display mode, ignore everything i said above and run you application in a "dual screen" stereo format. I think openscenegraph supports both the bove stereo formats i mention. Its also usefull to understand exactly the format your projector is expecting as well. Peter Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Anyinformation will be appreciated. Yanling --- Original Message --- From:"Yanling Liu" [EMAIL PROTECTED] To:"OpenSceneGraph Users" osg-users@lists.openscenegraph.org Date:Wed, 16 Jan 2008 20:51:02 -0500 Subject:[osg-users] stereo projector support in OpenSceneGraph Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Any information will be appreciated. Yanling ___osg-users mailing listosg-users@lists.openscenegraph.orghttp://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgPPU now also on MsWindows
Hello Art, Thanks to Stephane Lamoliatte for providing a patch to make this possible. The osgPPU should now also compile and run under Windows. Please test and inform me when this is not the case. Yes, thanks to Stephane! It works great. Looks very well designed as well, allowing many modern effects to be implemented in a straightforward way. Good work! J-S -- __ Jean-Sebastien Guay [EMAIL PROTECTED] http://whitestar02.webhop.org/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Shadows with OpenProducer - is it possible?
Wojtek Lewandowski just pointed out to me that the osg implementation of the OpenProducer might not work properly with the shadow implementation of OSG. Is this correct? Do I have to migrate my application to the osg viewer? Thanks, D. Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] RE : Re: osgvolume not running on Linux
-Original Message- From: [EMAIL PROTECTED] [mailto:osg-users- [EMAIL PROTECTED] On Behalf Of Franclin Foping Sent: Thursday, January 17, 2008 1:02 PM To: OpenSceneGraph Users Subject: [osg-users] RE : Re: osgvolume not running on Linux Hello, I doubt it is a problem with the my driver because I am using a driver supplied by nVIDIA. That means nothing. There may be a required GL extension not implemented (a vendor may implement different extensions on different operating systems, regardless of the hardware being identical), or simply a bug in the driver. Asking again: Exactly what graphics h/w are to trying to use (model numbers, driver version, Linux distro, etc)? -- mew The osgvolume example runs perfectly on Windows but not on Linux. The osgTexture3D also runs perfectly on Linux so I don't think it has something to do with the lack of 3D texture support on Linux like Robert suggested. Any other advice? Regards, Franclin. Mike Weiblen [EMAIL PROTECTED] a écrit : Hi, turn up the OSG notify level to get more detailed output about what's failing. I'd suspect a GPU/driver OpenGL extension issue rather than the OS. What graphics h/w are to trying to use? -- mew On Sat, January 12, 2008 15:01, Franclin Foping wrote: Hello everyone, I am currently working on a volume rendering program and I thought I could start by the build-in example osgvolume. However it doesn't work on Linux not sure why? In fact, when I run it the program exits immediately and returns 0, meaning that it terminates properly. Anyone can help? Other examples work perfectly. Any documentation about osgvolume? What is it supposed to do? Waiting for your reply. Franclin. - Ne gardez plus qu'une seule adresse mail ! Copiez vos mails vers Yahoo! Mail ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users- openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users- openscenegraph.org Ne gardez plus qu'une seule adresse mail ! Copiez vos mails http://fr.rd.yahoo.com/mail/mail_taglines/trueswitch/*http://www.trues witch.com/yahoo-fr/ vers Yahoo! Mail ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] RE : Re: osgvolume not running on Linux
On Jan 17, 2008 7:01 PM, Franclin Foping [EMAIL PROTECTED] wrote: Hello, I doubt it is a problem with the my driver because I am using a driver supplied by nVIDIA. The osgvolume example runs perfectly on Windows but not on Linux. The osgTexture3D also runs perfectly on Linux so I don't think it has something to do with the lack of 3D texture support on Linux like Robert suggested. Any other advice? Well Linux + osgvolume work just fine under Linux given the right drivers and hardware. I osgvolume developed under Linux no less. I can't say what might be up with your system, drivers would be the first item to look at, beyond this you'll just need to step through with a debugger and up the notification level as Mike suggested. Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OpenFlight cow for Christmas
I looked at adding support for the texture Mapping palette in my OpenFlight
exporter, but saw that it is not currently supported in the extant importer.
This is, no doubt, why your reflection-mapped Creator models don't render
correctly in OSG.
I don't have funding to support the Texture Mapping Palette in the importer,
and will need to touch base with my client to see what kind of priority they
have for reflection-mapped models.
-Paul
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf
Of Garry Keltie
Sent: Wednesday, January 16, 2008 7:24 PM
To: osg-users@lists.openscenegraph.org
Subject: Re: [osg-users] OpenFlight cow for Christmas
Hi Gordon, Paul,
This was a heartening thread as it prompted me to get back
and try yet again to get reflection mapped objects in Creator
appearing that way in OSG.
I understand the modelling side of multitexturing in Creator
(I hope) but could never see the results in OSG based viewers
when loaded as flt or saved and loaded as osg/ive formats.
The OSGExp project was such a watershed in that department.
Having a read of the cow.osg sample data I see that there are
consistently missing attributes when exporting from
openflight. I get results similar to what I see in the
Creator window when I add to my destined environment/reflection map
TextureUnit[n]:
GL_TEXTURE_GEN_S ON
GL_TEXTURE_GEN_T ON
and a:
TexGen {
DataVariance STATIC
mode REFLECTION_MAP //or SPHERE_MAP }
For reference, OSGExp, when exporting a reflection mapped
object, appears to include amongst many other things (perhaps
just for good
measure?):
GL_TEXTURE_GEN_S ON
GL_TEXTURE_GEN_T ON
GL_TEXTURE_GEN_R ON
GL_TEXTURE_GEN_Q ON
TexGen {
mode SPHERE_MAP
}
Would this be an OpenFlight loader issue that is under
consideration with read/write and OpenFlight? I also notice
that when writing osg files that my texture attributes
(min/mag filters) are largely ignored and appear to be
respected when writing ive files.
(Using release ver. 2.2.0)
Cheers
Garry
Hi Paul
Depends on what you mean by Sphere mapping :)
OpenFlight and Creator support Spherical, Radial and Environment
texture mapping among the normal texture methods in this
case I think
you mean(maybe) what Creator calls Environment mapping
This is done in Creator very easily, through the texture tool box,
select geom., select texture, in the case of Environment select the
tool and your done and this can be seen in Creator ( Unlike the old
days of Multigen II, we used the special 1/2 field to mark
group/objects to be mapped nice shine environment, for metal, glass
etc ),
These methods when used add an entry to the Texture Mapping Palette
with there type set to Spherical, Radial and Environment, so this
should not be too hard to add (hopefully)
__ Gordon
Tomlinson
Here's a Christmas gift -- the OSG cow converted to
OpenFlight. This
was created using the new OSG OpenFlight export plugin, which is
currently in development and should be ready for some beta
testing in
the February/March timeframe.
Caveats:
* To view this in OSG, use the SVN head. (This model requires
Continuation record support, which wasn't in OSG v2.2.)
* There is no sphere mapping equivalent in OpenFlight (if
I'm wrong,
please correct me) so you really don't want texture mapping. To
disable texture mapping in osgviewer, hit the 't' key. You
should see
a lit white cow.
Nonetheless, it's the cow converted to OpenFlight! Which is pretty
cool.
Thanks to Bob Kuehne and Dave Wolfe for their help on this
project so
far (and also to our client funding the project, who
wishes to remain
anonymous).
Paul Martz
--
Garry Keltie
garry.@rmit. .au
keltieedu
VR Centre - Research Innovation
RMIT University
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[osg-users] State of VPB?
I understand that VirtualPlanetBuilder is under construction, but what is the current state of it in SVN? I downloaded it yesterday to start playing with it and I'm wondering which features are ready for testing and which ones to stay away from? Specifically, I'm interested in the --buildings command, but so far can't get it to work with any other data. Passing in the shapefile works, but as soon as I add texture or elevation, the buildings go away. Ken. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] osgPPU
Hi folks, Current version of the osgPPU library (svn version) do now use CMake build system to compile. The build process is now almost exactly the same as for the osg main core library. Thanks to Stephane Lamoliatte for providing a patch to make this possible. The osgPPU should now also compile and run under Windows. Please test and inform me when this is not the case. Best regards, Art P.S. Please ignore if this mail will be delivered twice (because of the down time of the mailinglist) Heute schon einen Blick in die Zukunft von E-Mails wagen? www.yahoo.de/mail ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] stereo projector support in OpenSceneGraph
Hi Yanling, The OSG supports various stereo modes, there is a page stereo on the openscenegraph.org wiki with details. For yourself you'll want to set up the graphics card with either with two screens and two graphics graphics windows, or two screens using TwinView so that the two screens are driven by one graphics window, the later will provide the best perfomance. The osgViewer library will automatically detect the set up and set up up a window across all the screens you have, and if you enable HORIZONTAL_SPLIT stereo mode then it'll set up the stereo across either both windows or just the single one. I have used both set ups before with the OSG so is well trodden ground. Try: osgviewer cow.osg --stereo HORIZONTAL_SPLIT Robert. On Jan 17, 2008 1:51 AM, Yanling Liu [EMAIL PROTECTED] wrote: Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Any information will be appreciated. Yanling ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] finding image files and how to correctly exit and osg application
Hi i have successfully used cmake to build osg 2.2.0 with visual studio 2008. I have been able to create from scratch a new project in anew directory structure a test project based on the osgshape example and it builds and runs fine in both debug and release mode. MY problem is when i copy the release exe to another test machine i also copy the runtime dll and the image file that is loaded in the shape example to the same directory the exe is running from on the new computer. The exe runs fine, but does not find the image texture file even when its in the current directroy and in addition once the exe has been run i use the Esc key to exit it and then the program and directory become locked to some process i can not delete the file or directory i have to logout or reboot. Based on the OSGshape example is there a correct way to prevent the exe being locked to a process, and how can i make sure the image file is always found. The exe only gets locked when i run it independtly, theres no problem when i run it from visual studio. ThanksPeter DeSantis[EMAIL PROTECTED]Jumbo Vision International Pty LtdUnit 2 ,1 Aitken WayKewdale WA 6105AustraliaTel: 61 8 9353 6200Fax: 61 8 9353 6211 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgHUD / osgText / RFC
This doesn't really answer your question, but the bad sheering effect you're getting might be solvable by apply the GL_POLYGON_SMOOTH attribute to the text object. Chase -Original Message- From: [EMAIL PROTECTED] [mailto:osg-users- [EMAIL PROTECTED] On Behalf Of Jeremy Moles Sent: Thursday, January 17, 2008 7:45 AM To: OpenSceneGraph Users Subject: [osg-users] osgHUD / osgText / RFC (This is a separate issue from my blending question which I posted earlier this week) In osgHUD, it is very convenient for me for various reasons to set the osgText alignment mode to: osgText::Text::CENTER_CENTER ...which allows me to put a bit of text in the center of a quad and delegate the responsibility of positioning to my osgHUD::Widget API. This is all fine and well, and works exactly as advertised. However, with regards to quality, there is no guarantee (at least that I can see) that osgText won't set the position internally of the text to values that do not map 1:1 to pixels on the screen--that is to say, the position isn't necessarily pixel aligned. I looked at the code for osgText::computePositions() a bit, but figured I'd ask here first in case I'm missing something obvious. My question then is: is there a way to coerce osgText to use CENTER_CENTER alignment but enforce that the text itself is never positioned (at least as far as the X and Y planes are concerned) with a value that isn't pixel aligned? Attached are two screenshots of the osghudmenu example I'm working on (which is in SVN if anyone would like to see it!) at the moment. The first screenshot uses CENTER_CENTER and the second uses LEFT_BOTTOM. Of course, when I use LEFT_BOTTOM I have to position the text manually myself (which isn't hard, but certainly creates more code). In both cases I enforce that the X and Y values to pass to -setPosition() are floor()'d, but that doesn't mean that osgText itself won't add 0.5f or so to the position, especially in CENTER_CENTER mode. To the discerning eye, you'll see a MAJOR difference... Hope I'm making sense. :) P. S. Anyone who has any advice on my question from earlier this week gets a cookie or something. :) ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] stereo projector support in OpenSceneGraph
On a separate but related note: I've got some 3D classed from the Beowulf movie. :) Can I make the cow pop out at me somehow? On Thu, 2008-01-17 at 09:20 +, Robert Osfield wrote: Hi Yanling, The OSG supports various stereo modes, there is a page stereo on the openscenegraph.org wiki with details. For yourself you'll want to set up the graphics card with either with two screens and two graphics graphics windows, or two screens using TwinView so that the two screens are driven by one graphics window, the later will provide the best perfomance. The osgViewer library will automatically detect the set up and set up up a window across all the screens you have, and if you enable HORIZONTAL_SPLIT stereo mode then it'll set up the stereo across either both windows or just the single one. I have used both set ups before with the OSG so is well trodden ground. Try: osgviewer cow.osg --stereo HORIZONTAL_SPLIT Robert. On Jan 17, 2008 1:51 AM, Yanling Liu [EMAIL PROTECTED] wrote: Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Any information will be appreciated. Yanling ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] stereo projector support in OpenSceneGraph
Yes. osgviewer --help |grep stereo -A 3 ;-) On Jan 16, 2008 11:51 PM, Yanling Liu [EMAIL PROTECTED] wrote: Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Any information will be appreciated. Yanling ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] stereo projector support in OpenSceneGraph
On Thu, 2008-01-17 at 16:47 -0500, Jeremy Moles wrote: On a separate but related note: I've got some 3D classed from the Beowulf movie. :) Can I make the cow pop out at me somehow? Bah, never mind--Wikipedia says Beowulf used a unique kind of stereo that only works on a special screen. :) On Thu, 2008-01-17 at 09:20 +, Robert Osfield wrote: Hi Yanling, The OSG supports various stereo modes, there is a page stereo on the openscenegraph.org wiki with details. For yourself you'll want to set up the graphics card with either with two screens and two graphics graphics windows, or two screens using TwinView so that the two screens are driven by one graphics window, the later will provide the best perfomance. The osgViewer library will automatically detect the set up and set up up a window across all the screens you have, and if you enable HORIZONTAL_SPLIT stereo mode then it'll set up the stereo across either both windows or just the single one. I have used both set ups before with the OSG so is well trodden ground. Try: osgviewer cow.osg --stereo HORIZONTAL_SPLIT Robert. On Jan 17, 2008 1:51 AM, Yanling Liu [EMAIL PROTECTED] wrote: Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Any information will be appreciated. Yanling ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] stereo projector support in OpenSceneGraph
On Thu, 17 Jan 2008, Jeremy Moles wrote: On Thu, 2008-01-17 at 16:47 -0500, Jeremy Moles wrote: On a separate but related note: I've got some 3D classed from the Beowulf movie. :) Can I make the cow pop out at me somehow? Bah, never mind--Wikipedia says Beowulf used a unique kind of stereo that only works on a special screen. :) This is a z-screen which applies polarization filtering on a stereoscopic image (frame) pair. The z-screen portion is easily replicated on a computer display with osg. Now if we only had a stereoscopic movieplayer plugin for osg... :} -bob On Thu, 2008-01-17 at 09:20 +, Robert Osfield wrote: Hi Yanling, The OSG supports various stereo modes, there is a page stereo on the openscenegraph.org wiki with details. For yourself you'll want to set up the graphics card with either with two screens and two graphics graphics windows, or two screens using TwinView so that the two screens are driven by one graphics window, the later will provide the best perfomance. The osgViewer library will automatically detect the set up and set up up a window across all the screens you have, and if you enable HORIZONTAL_SPLIT stereo mode then it'll set up the stereo across either both windows or just the single one. I have used both set ups before with the OSG so is well trodden ground. Try: osgviewer cow.osg --stereo HORIZONTAL_SPLIT Robert. On Jan 17, 2008 1:51 AM, Yanling Liu [EMAIL PROTECTED] wrote: Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Any information will be appreciated. Yanling ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Shadows with OpenProducer - is it possible?
I haven't suggested that it won't work with osgProducer. I said that your poroblem ie ShadowMap init not being called by Update Traversal may be caused by some differences beetween osgViewer and osgProducer viewers. I would not go that far to say that osgProducer is to blame. But osgShadow example uses osgViewer::Viewer. Can you replace your problem using this example as foundation ? If yes, send me this modified code and will che whats going on. On the other hand I won't be able to help with osgProducer::Viewer as I don't have it installed and dropped my Producer experiences into oblivion. Cheers, Wojtek -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of DKa Sent: Thursday, January 17, 2008 2:18 PM To: OpenSceneGraph Users Subject: [osg-users] Shadows with OpenProducer - is it possible? Wojtek Lewandowski just pointed out to me that the osg implementation of the OpenProducer might not work properly with the shadow implementation of OSG. Is this correct? Do I have to migrate my application to the osg viewer? Thanks, D. __ __ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] stereo projector support in OpenSceneGraph
The technology used by the cinema to show beowolf can vary. The latest is the infitec based interfernce filters that dolby is using in the stereo cinemas that they are producing. there is a good cheap stereo media player based on media player classic for windows that works very very well and supports just about every stereo mode under the sun Peter On Thu, 17 Jan 2008, Jeremy Moles wrote: On Thu, 2008-01-17 at 16:47 -0500, Jeremy Moles wrote: On a separate but related note: I've got some 3D classed from the Beowulf movie. :) Can I make the cow pop out at me somehow? Bah, never mind--Wikipedia says Beowulf used a unique kind of stereo that only works on a special screen. :)This is a z-screen which applies polarization filtering on a stereoscopic image (frame) pair. The z-screen portion is easily replicated on a computer display with osg. Now if we only had a stereoscopic movieplayer plugin for osg... :} -bob On Thu, 2008-01-17 at 09:20 +, Robert Osfield wrote: Hi Yanling, The OSG supports various stereo modes, there is a page stereo on the openscenegraph.org wiki with details. For yourself you'll want to set up the graphics card with either with two screens and two graphics graphics windows, or two screens using TwinView so that the two screens are driven by one graphics window, the later will provide the best perfomance. The osgViewer library will automatically detect the set up and set up up a window across all the screens you have, and if you enable HORIZONTAL_SPLIT stereo mode then it'll set up the stereo across either both windows or just the single one. I have used both set ups before with the OSG so is well trodden ground. Try: osgviewer cow.osg --stereo HORIZONTAL_SPLIT Robert. On Jan 17, 2008 1:51 AM, Yanling Liu [EMAIL PROTECTED] wrote: Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display using two machine and now I have no idea how to do it using one single video card. Any information will be appreciated. Yanling ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org___osg-users mailing listosg-users@lists.openscenegraph.orghttp://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org --- Original Message --- From:Bob Huebert [EMAIL PROTECTED] To:[EMAIL PROTECTED], OpenSceneGraph Users osg-users@lists.openscenegraph.org Date:Thu, 17 Jan 2008 14:22:33 -0900 (AKST) Subject:Re: [osg-users] stereo projector support in OpenSceneGraph On Thu, 17 Jan 2008, Jeremy Moles wrote: On Thu, 2008-01-17 at 16:47 -0500, Jeremy Moles wrote: On a separate but related note: I've got some 3D classed from the Beowulf movie. :) Can I make the cow pop out at me somehow? Bah, never mind--Wikipedia says Beowulf used a unique kind of stereo that only works on a special screen. :)This is a z-screen which applies polarization filtering on a stereoscopic image (frame) pair. The z-screen portion is easily replicated on a computer display with osg. Now if we only had a stereoscopic movieplayer plugin for osg... :} -bob On Thu, 2008-01-17 at 09:20 +, Robert Osfield wrote: Hi Yanling, The OSG supports various stereo modes, there is a page stereo on the openscenegraph.org wiki with details. For yourself you'll want to set up the graphics card with either with two screens and two graphics graphics windows, or two screens using TwinView so that the two screens are driven by one graphics window, the later will provide the best perfomance. The osgViewer library will automatically detect the set up and set up up a window across all the screens you have, and if you enable HORIZONTAL_SPLIT stereo mode then it'll set up the stereo across either both windows or just the single one. I have used both set ups before with the OSG so is well trodden ground. Try: osgviewer cow.osg --stereo HORIZONTAL_SPLIT Robert. On Jan 17, 2008 1:51 AM, Yanling Liu [EMAIL PROTECTED] wrote: Hi, our lab get a new stereo projector connects to two video outputs on one Quadro FX 5500. Does OpenSceneGraph support such stereo display? I used to do stereo display
Re: [osg-users] osgViewer::Viewer vs osgViewer::CompositeViewer
Hello all, I was wondering if someone could give me some sample use cases for both osgViewer::Viewer and osgViewer::CompositeViewer, at a high level. Let me ask the question differently. We have an application which needs to be able to work on multiple screens, and also eventually on a hemispherical projector setup (3 projectors). It will only need to be able to view a single scene graph, but we need to be able to customize each screen's point of view. Also, we need to be able to see some text and overlays on one screen and not the other(s). From what I can see, osgViewer::Viewer with multiple slave cameras can do this. The other option would be osgViewer::CompositeViewer with multiple views onto the same scene graph. What are the pros and cons of each scenario? I find the convenience of osgViewer::View::setUpViewAcrossAllScrens() is hard to beat for simplicity of setup, and that uses one view with multiple slave cameras. I imagine that CompositeViewer is more flexible, but if we don't need this flexibility and it adds unnecessary complexity, maybe it isn't worth it. To sum it up, I just need some info about the tradeoffs involved to be able to choose the most appropriate for the situation. In the past, I've never needed anything other than the stock osgViewer::Viewer with the default settings and call viewer.run(), but for these projects we have more complicated requirements... Thanks in advance, J-S -- __ Jean-Sebastien Guay [EMAIL PROTECTED] http://whitestar02.webhop.org/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Chinese OSG website～～～～～
Hi Robert and all osg-users: Thanks for all friends' support,robert and the others.Our website in Chinese will finish as soon as possible and we will provide much useful and important information for many osg-users,include OpenSceneGraph ,OSGGIS,OSGNV,DELTA3D and so on .I hope that you can pay attention to our website in off hours. We need your support! Thank you! Best wishes! FlySky___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] plugin for .gdf
Hi guys,Iam trying to find/create a plugin for a .gdf file.iam running openscene graph in suse linux.if not i would like to load an image of a network(any network) that is supported by openscene graph. any assistance rendered would be highly appreciated. Wanyama Harold. __ Sent from Yahoo! Mail - a smarter inbox http://uk.mail.yahoo.com ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
