[osg-users] Scene Management or Graphics Rendering Engine?

Hi, Firstly, I am new here. Thanks for OSG. I am currently doing some terrain rendering work, and interested to find out more about OSG. Hope anyone can help. Now, would OSG be categorized more as a scene management library or a graphics rendering engine? Are there any preconditions for

[osg-users] [osgPlugins] Warning couldnt find the plugin ti read object from the file

Hi, When ever i try to load a texure or a vedio from an external file to osg. The messeg Warning couldnt find the plugin ti read object from the file meseg comes. and no textures or vedios are desplayed? How can i get away from this. Please help me. I am bit new to osg Thank you! Cheers,

[osg-users] Widget Library and Multithread?

Hi all, Does anybody knows wich is the best Widget Library (Qt, GTK, ...) to work with multiple Threads and viewers? Thank you! Cheers, :D Gustavo -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=32834#32834

Re: [osg-users] OSG Qt

David In past month i testing with OSG 2.9.9 and Qt 4.7.0. Tryed with osgQtWidgets example. I needed in embedding qt widgets as hud for interface for my program but i is stopped this work because OSG not correctly working with Qt. Exactly QTViewer widget can working as well but my interesting

Re: [osg-users] SVN error - access forbidden

hmm it's broken again... did you do something special yesterday? thanks -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=32836#32836 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] SVN error - access forbidden

Hi, have you tried https instead of http? Are you behind a firewall? jp On 19/10/10 09:57, Rob Smith wrote: hmm it's broken again... did you do something special yesterday? thanks -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=32836#32836

Re: [osg-users] SVN error - access forbidden

https works fine - thanks much! (Nevertheless I'm wondering why http stopped working for me...) -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=32838#32838 ___ osg-users mailing list

Re: [osg-users] SVN error - access forbidden

prob some firewall that ate your packets based on the phase of the moon. On 19/10/10 10:07, Rob Smith wrote: https works fine - thanks much! (Nevertheless I'm wondering why http stopped working for me...) -- Read this topic online here:

Re: [osg-users] lighting for point sprites

Hi Don, The osgFX BumpMapping class is based around conventional geometry meshes, and won't work at all for point sprites. I think you'll need to come up with an approach that does the lighting in fragment shader, with the orientation of point sprite assumed to be orthogonal to the eye vector

Re: [osg-users] Thinking of adding to the ReaderWriter interface

Hi Wang Rui, On Tue, Oct 19, 2010 at 4:12 AM, Wang Rui wangra...@gmail.com wrote: But it is still interesting to discuss about configuring plugin settings. The PluginStringData mechanism is good for handling all kinds of options and referenced values, but most plugins still make heavy use of

Re: [osg-users] Thinking of adding to the ReaderWriter interface

Hi Robert, 2010/10/19 Robert Osfield robert.osfi...@gmail.com This approach is exactly what I have been wondering about for quite some while. It's convenient to pass in a single string when setting some options, but for the ReaderWriters themselves it's a bit of a pain, and it isn't

Re: [osg-users] Scene Management or Graphics Rendering Engine?

Hi Jake, On Tue, Oct 19, 2010 at 8:13 AM, jake see jake...@gmail.com wrote: Now, would OSG be categorized more as a scene management library or a graphics rendering engine? It's a scene graph ;-) As to what one might classify as a scene management library or a graphics rendering engine I

Re: [osg-users] [osgPlugins] Warning couldnt find the plugin ti read object from the file

Hi Aruna, What type of file are you trying to read? Do you know if the OSG supports the file formats you are attempting to read? if it does support them then have you compiled the plugins? Have a look in your lib/osgPlugins-version/ directory to see what has been built. If you have the plugins

[osg-users] saving left_eye/right_eye

Hi, I would like to save (or be able to load in some way) the left_eye view and right_eye view of and object (ex. cow.osg) in order to render each view to another stereo horizontaly_split video. any idea of how to achieve this? Thank you! Cheers, Victoria -- Read this topic

Re: [osg-users] [osgPlugins] Warning couldnt find the plugin ti read object from the file

Hi, Im using visual studio 2008 and try to read .AVI and .JPG files. I think all nessary plug ins to read the are inside the plugin folder of the OSG Bin. How can i set the path to the osg plug ins. I change the working folder and current directory to the osg bin directory. But the situation

[osg-users] OSG greensceen

Hi, Can we make a green screen with openscenegraph Thank you! Cheers, Aruna -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=32847#32847 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] OSG greensceen

Hi Aruna Can you explain what is green screen ? David 2010/10/19 Aruna Madusanka osgfo...@tevs.eu Hi, Can we make a green screen with openscenegraph Thank you! Cheers, Aruna -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=32847#32847

Re: [osg-users] [osgPlugins] Warning couldnt find the plugin ti read object from the file

Hi Aruna, To read AVI you'll either need to use ffmpeg or the quicktime plugins, these are only built if you either ones of these external dependencies installed. For Jpeg you'll need libjpeg. There has been plenty of discussion about this on osg-users over the years so have a search on the

Re: [osg-users] OSG greensceen

I would guess Green/Blue screen as in back ground replacement in film/photography etc, wanting to render 3d objects to be include composited into something __ Gordon Tomlinson gor...@gordontomlinson.com IM:

[osg-users] Paged LOD expiration time issues in osg 2.8.3

Hi, We are currently using osg 2.8.3, with osgVirtualPlanets in a GIS application (gvSIG-3D). Trying to get a new build we migrated from 2.8.2 to 2.8.3. Testing the build we have realized that the memory doesn't free as fast as previous version, getting a big memory usage of the application.

Re: [osg-users] Paged LOD expiration time issues in osg 2.8.3

Hi Rafa, I think Paul merged improvements made to DatabasePager made to svn/trunk into 2.8.3. The improvements change the way that PagedLOD's are expired, changing it from time based expiry to a system where the number of PagedLOD are capped to a below a users specified maximum, if the number of

Re: [osg-users] Paged LOD expiration time issues in osg 2.8.3

Hi Robert, 2010/10/19 Robert Osfield robert.osfi...@gmail.com: Hi Rafa, I think Paul merged improvements made to DatabasePager made to svn/trunk into 2.8.3. The improvements change the way that PagedLOD's are expired, changing it from time based expiry to a system where the number of

Re: [osg-users] Scene Management or Graphics Rendering Engine?

Hi robert, Thank you for your very detailed reply. You can certainly write pretty power applications with minimal code using the OSG I will spend the next few day to uncover its power =) Thanks. -- Read this topic online here:

Re: [osg-users] [osgPPU] pipeline stall SOLVED

Hi Art and all, just an update for sharing that I've solved my problem. The pipeline attached to the main viewer scene was rendered by multiple cameras with different output (one to FB and the other RTT) and this was probably causing some issues. I also changed the pipeline, but I don't think

[osg-users] Render to AVI

Hi, I'm looking for some plugin (or other feature), which renders osg scene to avi file (i need to prepare some kind of avi demo). Is there any mechanism in osg to do that? Or i have to use some screen graber, render to texture or similar tool? Thank you! Cheers, Robert --

Re: [osg-users] Render to AVI

Hi Robert, If it's just for a demo video, try Fraps. (http://fraps.com/) I've used it to capture OSG demo videos before and it works nicely for that. Otherwise look at the osgscreencapture demo. Kim. On 19 October 2010 14:10, Robert Gosztyla robert.goszt...@gmail.com wrote: Hi, I'm looking

Re: [osg-users] Render to AVI

Hi, if on Linux you can do something like: ffmpeg -f x11grab -r 20 -s ?x? -i :0.0+?,? -an -vcodec mjpeg -sameq my.avi for scraping it off the screen. Other direct capture options would require some coding. jp On 19/10/10 15:10, Robert Gosztyla wrote: Hi, I'm looking for some plugin (or

Re: [osg-users] OSG greensceen

OSG is not a Chroma key tool. Look into something like the medialooks toolkit: http://www.medialooks.com/products/software_development_kits/live_chroma_key_sdk.html -- Chris 'Xenon' Hanson, omo sanza lettere. xe...@alphapixel.com http://www.alphapixel.com/ Digital Imaging. OpenGL. Scene

[osg-users] Animation with Cubic Bezier path

Hi, I tried to understand osganimationmakepath example. I can't understand how to make an animation if I would use simple points like these: v[0] = osg::Vec3(0, 0, 0); v[1] = osg::Vec3(20, 0, 0); v[2] = osg::Vec3(40, 0, 0); v[3] = osg::Vec3(60, 0, 0); I want an animation

Re: [osg-users] Render to AVI

On 10/19/2010 6:27 AM, Kim Bale wrote: Hi Robert, If it's just for a demo video, try Fraps. (http://fraps.com/) I've used it to capture OSG demo videos before and it works nicely for that. Otherwise look at the osgscreencapture demo. I've used a similar tool called Debut

Re: [osg-users] stereo video + object

I almost solved my last problem, I've now got another question I see that osg::DisplaySettings::instance()-setStereoMode(osg::DisplaySettings::LEFT_EYE); osg::DisplaySettings::instance()-setStereoMode(osg::DisplaySettings::RIGHT_EYE); draw the left/right eye of

[osg-users] [3rdparty] Sound In OSG

Is osgAL the recommended way to incorporate sound in OSG? I'm looking to generate sounds based on locations in the scene graph and the only obvious library that popped up in a google search was osgAL... Any direction to a standard solution would be appreciated. Thanks. Matt

[osg-users] [build] Errors in cstdio

Hi, I am trying to compile osg revision 11782 (version 2.9.9), with Visual C++. In the project Plugins 3DS, i have a lot of errors since : 1C:\Program Files (x86)\Microsoft Visual Studio 8\VC\include\cstdio(25) : error C2143: syntax error : missing '{' before ':' I think it is because we

Re: [osg-users] How Camera Manipulators Work

Chuck, I think I'm gonna come back to this thread in a little while with a proposed project to realize the mapping that has been discussed over the past few entries. Maybe you can take a look at the proposal and give some feedback? I agree that most users probably find the current

Re: [osg-users] [3rdparty] Sound In OSG

On 10/19/2010 9:51 AM, Matt Caron wrote: Is osgAL the recommended way to incorporate sound in OSG? I'm looking to generate sounds based on locations in the scene graph and the only obvious library that popped up in a google search was osgAL... Any direction to a standard solution would be

Re: [osg-users] OSG seems to have a problem scaling to multiple windows on multiple graphics cards

Hi, We have a pretty simple setup. 4 graphics cards, each is its own X11 display, as in :0.0, :0.1, :0.2, :0.3. No Twinview or Xinerama. We've found out that our hardware doesn't support mosaic mode. We installed the latest Nvidia driver and it made no difference. We're really sort of

[osg-users] QT OSG question

Hi, I have created multiple windows based on the QT AdapterWidget example these windows ( QTGLWidget derivied) are created to share opengl display lists and are all attached to the same scenegraph Is this a correct way to have multiple windows that share the same scenegraph and display

[osg-users] newbie help

Hi, I am really a newbie and got a bit lost on this problem I have everything running fine if i load a osg file but after that when i add dynamically a new Node for example a simple line this never shows in the display. I add the new entities in a Update callback . I have tried to follow the

Re: [osg-users] Render to AVI

Hi I use Blackmagic Intensity device :) for capture HDMI (http://www.blackmagic-design.com/products/intensity/) Max. 2010/10/19 Rob Radtke r...@stellarscience.com:  On 10/19/2010 6:27 AM, Kim Bale wrote: Hi Robert, If it's just for a demo video, try Fraps. (http://fraps.com/) I've

Re: [osg-users] newbie help

Hi Gerry, It seems like you need to adjust your view matrix in order to see the new scene. If you have a camera manipulator, it can do it for you by calling home(). Hitting the space bar should do the same thing. Mourad On Tue, Oct 19, 2010 at 5:47 PM, Gerry Danza g.da...@mclink.it wrote: Hi,

[osg-users] Terrain + picking tiles + optimalization

Hi, I have again basic question which is related to my previous one about terrain editing. I can create terrain with lot of tiles, so now i want to have posibility to choose particular tile by picking it. The way i tried to implement is something like that: 1. create osgTerrain object 2. add

Re: [osg-users] OSG seems to have a problem scaling to multiple windows on multiple graphics cards

John, Can't help much except to say I saw the same thing. I had access to a system when the GTX 470 cards came out that had 2 cards and 4 displays hooked up. We could never get one instance of our software spanned across the 4 displays to run as fast as 4 separate instances. Tried

Re: [osg-users] OSG seems to have a problem scaling to multiple windows on multiple graphics cards

Well, at least we don't feel so lonely anymore! But seriously, I'm sort of at a loss about what to try next. If worse comes to worse maybe I could try to code up an equivalent SceniX test program to see if it has the same problem, but I really hope to not have to go there... Thanks, John On

Re: [osg-users] newbie help

Hi, thanks for your help but this is not the case I am able to manupilate the view and see the space where the new objects should be I have even loaded a new osg model while running the app and even this model does not show up , the same model is visible if loaded at application startup

Re: [osg-users] newbie help

Did you try pushing the space bar? Mourad On Tue, Oct 19, 2010 at 11:00 PM, Gerry Danza g.da...@mclink.it wrote: Hi, thanks for your help but this is not the case I am able to manupilate the view and see the space where the new objects should be I have even loaded a new osg model while

[osg-users] osgTerrain -- ON_DEMAND rendering broken?

It appears that ON_DEMAND rendering is broken in osgTerrain as of rev 11307. The offend lines appear to be the manual setting of numchildrenrequiringupdatetraversal in the constructors for osgTerrain::Terrain. We are using osgEarth (using osgTerrain) and would really like to use ON_DEMAND to

Re: [osg-users] How Camera Manipulators Work

Matt, You might take a look at the osgEarth project. The osgEarthUtil::EarthManipulator (a CameraManipulator) that they are using allows remapping of inputs to actions. For example you can program what keys do and what mouse buttons and scrollwheels do. I'm not sure that it achieves a full

Re: [osg-users] How Camera Manipulators Work

Hi, Does it mean the manipulator classes in osgGA will change and become deprecated in the near future? On a related issue, I found a bug in FlightManipulator. The code in performMovementRightMouseButton should probably be: _velocity -= eventTimeDelta * (_acceleration + fabs(_velocity)); The

Re: [osg-users] OSG greensceen

Hi, This is what i am talking about.. Chroma key compositing (or chroma keying) is a technique for compositing two images or frames together in which a color (or a small color range) from one image is removed (or made transparent), revealing another image behind it. This technique is also

Re: [osg-users] VIDEO with Alpha Channel

Hi, I also have same problem. Pleas can someone help? Thank you! Cheers, Aruna -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=32884#32884 ___ osg-users mailing list

Re: [osg-users] OSG greensceen

On 10/19/2010 9:01 PM, Aruna Madusanka wrote: Hi, This is what i am talking about.. Chroma key compositing (or chroma keying) is a technique for compositing two images or frames together in which a color (or a small color range) from one image is removed (or made transparent), revealing

Re: [osg-users] OSG greensceen

On 20/10/10 14:01 , Aruna Madusanka wrote: ... background. The meteorologist stands in front of a bluescreen, and then different weather maps are added on those parts in the image where the color is blue. If the meteorologist wears blue clothes, their clothes will become replaced with the

Re: [osg-users] newbie help

As we cannot see your code were guessing in the blind An obvious question springs to is are you actually adding the nodes to the your scenegraph after you load your model? Another question are your models very small ? ( as small feature culling in on by default ) Also turn your OSG notify

Re: [osg-users] OSG seems to have a problem scaling to multiple windows on multiple graphics cards

Nvidia is known for having problems scaling on multiple displays, basically if you have 4 windows on 4 different cards the driver will tell each card to render the content of all four windows, resulting in 4 times the needed number of setup trafic. This principle is there to make is possible to