Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Serge Lages
And for a long term solution, what about moving everything to Google Groups ? It can be used as a mailing list or as a sort of forum depending on the user preferences. On Wed, Jul 31, 2013 at 5:05 AM, Wang Rui wangra...@gmail.com wrote: Hi Robert, I'm currently working on the Chinese

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Robert Osfield
HI Serge, On 31 July 2013 08:34, Serge Lages serge.la...@gmail.com wrote: And for a long term solution, what about moving everything to Google Groups ? It can be used as a mailing list or as a sort of forum depending on the user preferences. I have wondered if it wouldn't be better to go with

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Serge Lages
Any idea who's the owner of this group ? For the spam/pishing protection, I think it provides options to moderate user subscriptions or first posts like the forums, so it'll probably need some moderators. On Wed, Jul 31, 2013 at 11:01 AM, Robert Osfield robert.osfi...@gmail.comwrote: HI Serge,

Re: [osg-users] osgLeap Leap Motion Integration

2013-07-31 Thread Jan Ciger
On Tue, Jul 30, 2013 at 9:13 PM, Johannes Scholz osg-supp...@vtxtech.net wrote: I work in a Virtual Reality environment where the ball-marker-based infrared ART Tracking is still state of the art since years. It is very robust and reliable while delivering good precision, altought not on a

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Robert Osfield
Hi Serge, On 31 July 2013 09:11, Serge Lages serge.la...@gmail.com wrote: Any idea who's the owner of this group ? For the spam/pishing protection, I think it provides options to moderate user subscriptions or first posts like the forums, so it'll probably need some moderators. Just been

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Art
Hi. If you switch to the google groups you would have to do moderator work again. Then, I wonder, what improvement do you get from it. The glue between the forum and the mailing list works well, however, might not even work for google groups. I can't see, why google groups would help here. art

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Robert Osfield
Hi Art, On 31 July 2013 11:04, Art arti_t...@yahoo.de wrote: If you switch to the google groups you would have to do moderator work again. Then, I wonder, what improvement do you get from it. The glue between the forum and the mailing list works well, however, might not even work for google

Re: [osg-users] osgLeap Leap Motion Integration

2013-07-31 Thread Johannes Scholz
Hi, running out of tracking volume is just a matter of correct positioning and training. I've made a small video for demonstration. http://www.youtube.com/watch?v=0wBiiKo_hys Thank you! Cheers, Johannes[/url] -- Read this topic online here:

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Serge Lages
Yes the main benefit would be to bring everybody at the same place. I think that currently the problem is that newcomers are using the forums, but most active users are still using the mailing list, and moderators should be easier to find from active users than newcomers. In my case for example,

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Robert Osfield
Hi Jan, On 31 July 2013 12:25, Jan Ciger jan.ci...@gmail.com wrote: I am a co-moderator on the vr-geeks mailing list that we are running on Google Groups. It works quite well, on the other hand, it requires Google login from people who want to use the Groups interface. Also it does not really

Re: [osg-users] osgLeap Leap Motion Integration

2013-07-31 Thread Jan Ciger
On Wed, Jul 31, 2013 at 1:17 PM, Johannes Scholz osg-supp...@vtxtech.net wrote: Hi, running out of tracking volume is just a matter of correct positioning and training. I've made a small video for demonstration. http://www.youtube.com/watch?v=0wBiiKo_hys Thanks for the video, it helped me

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Glenn Waldron
For osgEarth we use Nabble. (http://forum.osgearth.org) It's works as both a mailing list and a forum. We've been using it effectively for years. Nabble does not have a separate moderator permission but we have never missed it. As you said Robert: there are perhaps only one or two moderation

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Jan Ciger
What features are missing w.r.t a forum that user complain about? Usually threading (you have to write a sensible post when using Groups or e-mail instead of just hitting reply on a random post in the forum and writing Me too! bellow it), posting of images, emoticons and silly stuff like that.

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Robert Osfield
Hi Glenn, On 31 July 2013 13:04, Glenn Waldron gwald...@gmail.com wrote: For osgEarth we use Nabble. (http://forum.osgearth.org) It's works as both a mailing list and a forum. We've been using it effectively for years. Nabble does not have a separate moderator permission but we have never

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Glenn Waldron
Robert, On Wed, Jul 31, 2013 at 9:24 AM, Robert Osfield robert.osfi...@gmail.comwrote: Hi Glenn, On 31 July 2013 13:04, Glenn Waldron gwald...@gmail.com wrote: For osgEarth we use Nabble. (http://forum.osgearth.org) It's works as both a mailing list and a forum. We've been using it

Re: [osg-users] osgLeap Leap Motion Integration

2013-07-31 Thread Johannes Scholz
Hi, I find it still way too fiddly for my taste - the rotations are fairly hard to do consistently. It is easy to perform a rotation, but to perform one that actually puts the object into the orientation I want (instead of some semi-random one) is hard. I didn't realize that one has to

[osg-users] Drawing order of views in osgViewer::CompositeViewer

2013-07-31 Thread Alexandre Vaillancourt
Hi All, We're using a CompositeViewer for our application. The first view added is the 'main view', with the scene. We've added three more views: two each containing a widget (part of a HUD) and a third for a 'loading screen'. The two widgets draw over the main scene, which is expected, as well

Re: [osg-users] Three Weeks until the Openscenegraph BOF at Siggraph

2013-07-31 Thread Jordi Torres
Hi John et al, How did it go? Did the hangout success at the end? If it's possible it would be cool if any of the attendands could post in [1] some words about the event. Links to slides or photos (if any) would be very cool :). [1] http://www.openscenegraph.com/index.php/community/events

Re: [osg-users] Drawing order of views in osgViewer::CompositeViewer

2013-07-31 Thread Robert Osfield
HI Alexandre, The osg::Camera::setRenderOrder(..) is what controls which order the cameras are rendered in, so set your HUD Camera to have a higher render order number to make sure it's rendered last. If the RenderOrder values are all the same then the order will simply be the order that you

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Jordi Torres
Hi, I'm not a forum user, but maybe it is worth to wait to the end of the summer to see if anyone step on to moderate the forum. Despite the absence of moderators there is a good job behind and it works quite well. But at the end if forum users are not willing to collaborate... Cheers.

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Robert Osfield
Hi Jordi et. al, On 31 July 2013 16:26, Jordi Torres jtorresfa...@gmail.com wrote: I'm not a forum user, but maybe it is worth to wait to the end of the summer to see if anyone step on to moderate the forum. Despite the absence of moderators there is a good job behind and it works quite well.

Re: [osg-users] osgLeap Leap Motion Integration

2013-07-31 Thread Jan Ciger
On Wed, Jul 31, 2013 at 5:04 PM, Johannes Scholz osg-supp...@vtxtech.net wrote: True, for sure. My first thought was to do it that way. Grab the object, then move and rotate directly by the hands position and rotation. I could not realize that in the first demo, because there is no GRAB

Re: [osg-users] Drawing order of views in osgViewer::CompositeViewer

2013-07-31 Thread Alexandre Vaillancourt
Thank you Robert, it's working fine! -- Alexandre Vaillancourt 2013/7/31 Robert Osfield robert.osfi...@gmail.com HI Alexandre, The osg::Camera::setRenderOrder(..) is what controls which order the cameras are rendered in, so set your HUD Camera to have a higher render order number to make

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Alexandre Vaillancourt
Another idea could be to use a system like StackExchange. This probably does not have an option to offer support by email, though. And if there is an aim for 'growing the community', I'm not sure that it's the right path. However the 'QA' process is fantastic. -- Alexandre Vaillancourt

Re: [osg-users] Finding Node Level

2013-07-31 Thread Max Ashton
Hey guys thanks for the reply's, sadly this post took a while to be accepted so in the mean time, I basically made a node printer that prints the structure of my SG to the console using --- to indicate depth level. I have done it by implementing a depth tracker function in my visitor, if

Re: [osg-users] osgLeap Leap Motion Integration

2013-07-31 Thread Johannes Scholz
Jan Ciger wrote: I have tried again with the visualizer tool and I can get some reasonable hand rotation - if the fingers are visible. They obviously use some Kalman filter or something to keep the rotation smooth and going even if the fingers disappear for a moment. However, tracking of a

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Art
Appropos. Just to give an overview, why moderation of the forum often sucks. The rule, that users have to provide a reasonable real name, makes the moderation and in specific the approval of new users kind of a tedious task. I have always to write to people a short message, that they should

[osg-users] [forum] How to get parent node size in world coordinate

2013-07-31 Thread Arka Saha
I just started using OSG. I need to know how to get size of the parent. Actually I have a flat UTM terrain and I need to put some object on that. Now I have no idea about how much the child needed to be translated and logic behind it. Probably if I can get the size of the parent in OSG world

[osg-users] geographic coordinate convert

2013-07-31 Thread Tianyun Su
Hi, I use osgdem to create an IVE model with mercator projection and can load the model in my OSG program. I want to realize such funciton: (1) input the WGS84 coordinate (lon, lat) of target point (2) calculate the elevation (z) of the point from the terrain file (3) draw a graphic object at

[osg-users] put multiple image file on one elevation model

2013-07-31 Thread Tianyun Su
Hi, I have an elevation model and multiple image files (jpeg format). The four vertex coordinates of each image file are recorded in a text file. So, I wonder how can I put all these image files on he surface of elevation model with their vertex coordinates. Now, I can put only one image file

[osg-users] [3rdparty] Building osgBullet?

2013-07-31 Thread Maik Klein
I could't compile osgWorks so I downloaded the latest svn version which did compile fine. But I am unable to compile osgBullet, well I am not able to generate the make files in linux with cmake. It tells me that i can't find osgWorks. This error is explained on the offical repo but I still

[osg-users] Get depth image after draw a specific node

2013-07-31 Thread Isaac Cho
Hi, I want to implement get z-buffer info. for only specific node. for example, there are 5 different nodes in the graph, I want to get depth information after draw node1 before other node 2~4. I tested RTT camera, but it significantly reduced FPS. I want to use only one camera. I'm

[osg-users] Multiple geometry models can be combined into a single geometry

2013-07-31 Thread Wang Yes
Hi, A texture corresponding to a geometryI texture very much in a osg file, so there are a lot of geometry, Now, I want to talk about these geometry combined into a small amount of geometry, that is to say, a geometry to have more than one texture. I use the multi-layered texture, but the

[osg-users] get a depth image of a specific node

2013-07-31 Thread Isaac Cho
Hi, I am trying to get z buffer from the camera scene. But I want to get a depth image of a specific node, not whole scene. I tried RTT camera for depth image. It works but it reduces FPS. So I'm trying to find the way to get a image with main camera, but still I don't know how to do it.

Re: [osg-users] Solving forum.openscenegraph.org problems

2013-07-31 Thread Preet
I second the StackExchange suggestion if the mailing list and forums are going to be replaced by one system. StackExchange sites are much easier to search through than relying on Google to look up things in the mailing list or forums. I think it'd cut down on repeat questions a lot (how many users

Re: [osg-users] Textured quad displaying problem

2013-07-31 Thread Mike Fournigault
Hi, I have a problem for displaying a textured quad. The view does not display anything, and result in a blank screen. The purpose of my application is to display video frames in the textured quad. I verified several things, as the texture's image updating, the camera view and projection

[osg-users] Problem with TabBoxTrackballDragger

2013-07-31 Thread Amaury Courtin
Hi, I know this post might look stupid to some of you but I am quite new to 3D programming. My problem is that I am trying to insert a TabBoxTrackballDragger in my scene and it doesn't work. This is what I did: osg::ref_ptrosgManipulator::TabBoxTrackballDragger _trackballDragger = new

[osg-users] Animation Path --- Animation Control keep current frame

2013-07-31 Thread Jose Manuel Monsalve Diaz
Hi, :D I want to create some control buttons for the animationPath. I've been trying with the Time offset and time multiplier, but i can't understand how these values actually work. Now, i'm able to speed up and play backwards the animation. The problem is when i change the multiplier, the

[osg-users] OSG Architecture

2013-07-31 Thread Sujan Dasmahapatra
Hi, Please tell me if my understanding is correct?If create a Geode called 'room' and inherit a node from room called 'sofa'. So room-sofa. Then if we rotate room, would the sofa also rotate,?. But if we rotate sofa then room should not rotate.How can we establish an architecture like

Re: [osg-users] Using c++11 smartpointer instead of osg::ref_ptr?

2013-07-31 Thread Ulrich Hertlein
On 29/04/2013 2:53, Maik Klein wrote: I am wondering if it is possible to use the c++11 smartpointer instead of osg::ref_ptr? Is there any advantage in using the osg::ref_ptr? Mixing the two is a bad idea, as they will happily ignore one another ;-) One benefit of osg::ref_ptr is that the

[osg-users] osg::Sphere initial position affecting behavior?

2013-07-31 Thread Wilbur McFerrin
Hi, I have a small OSG application in which I want to place one of a fixed number of spheres at a location determined by a click's intersection with the terrain. I am initializing the spheres beforehand. All of this works, with one caveat: If I initialize the spheres at or close to the origin,

[osg-users] Using c++11 smartpointer instead of osg::ref_ptr?

2013-07-31 Thread Maik Klein
I am wondering if it is possible to use the c++11 smartpointer instead of osg::ref_ptr? Is there any advantage in using the osg::ref_ptr? -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53854#53854

Re: [osg-users] geographical coordination conversion

2013-07-31 Thread Tianyun Su
Hi, Shayne. Thanks for your reply. What i want to do is converting Lon/Lat coordinate with WGS84 coordinate system to X/Y coordinate with Mercator coordate system. How can I program in OSG? Thank you! Cheers, tianyun -- Read this topic online here:

[osg-users] How to return a NULL value of osg::Vec3f type

2013-07-31 Thread Yong Chen
Hi, The following lines are used to calculate the intersection of two lines in a 2D plane. However, the NULL value cannot be returned because the Visual Studio tells me that error C2664: cannot convert parameter 1 from 'int' to 'const osg::Vec3f '. I don't know how to represent a Null value

[osg-users] osg 2.2.0 to 2.8.5 = Clipping planes problem

2013-07-31 Thread Antoine Criquy
Hi, Last year I updated the version of osg I was using for a program that displays terrain grids (using osgTerrain). And now, i've just realized that a functionnality that uses clipping planes to cut the terrain does'nt work anymore on an old laptop (Windows xp, ATI mobility radeon HD3650,

Re: [osg-users] osgQt rendering issues with NVIDIA 304.88 drivers and Ubuntu 12.04 (kernel 3.2.0-40-generic)

2013-07-31 Thread Christophe de Dinechin
For what it's worth, Tao Presentations (Google Taodyne, can't post URLs yet) also has the same problem on Linux, and the same workaround with __GL_SYNC_TO_VBLANK also works. Special thanks to Bastian for that workaround. Tao Presentations is also based on OpenGL and Qt. For some reason, we tend

Re: [osg-users] LineSegmentIntersector gives incorrect results (intersections missing)

2013-07-31 Thread Jaap Glas
Dear Peter, Robert, and all. I would like to endorse Peter's remarks on the current implementation of the LineSegmentIntersector. We experience precisely the

[osg-users] Creating multiple instances of a model whitout loading it multiple times.

2013-07-31 Thread Zev Lix
Hi, I am currently working on my first osg based project. In this project i need to create vehicles consisting of multiple models. So lets say i will load an airplane. Then the airplane will have a main body, rudders and propellers. Where the rudders and propellers are translated in relation

[osg-users] Video playback performance

2013-07-31 Thread Alvaro Fuentes
Hi everyone. I have a question regarding to video playback and the best way to using it in a texture inside the 3d world of OSG. Is there a way to stream the video content (or video frames, produced by the ffmpeg plugin) directly to the GPU memory? Is this approach the best, in terms of

[osg-users] Problem with PagedLOD

2013-07-31 Thread Pankaj Bansal
Hi, I am having some issues with pagedLOD. The nodes are not getting unloaded according to the view. I guess its because of OSG_MAX_PAGEDLOD is not getting set properly. I have used putenv() , then tried it with command prompt also, but still nothing is happening. I have set it to 5 but still

[osg-users] Low FPS when integrating QTwith worldviz Vizard (Third party library based on OSG) on multiple display system

2013-07-31 Thread Pankaj Bansal
Hi, First I want to explain a bit the system we are using. We have 8 projector rear projection system with projection arranged in 2X4 grid like this P P P P P P P P Top row is handled by one QuadroPlex 7000 and second row by other QuadroPlex 7000. 1. Low FPS with QT- I am using Qt with

Re: [osg-users] OSG Architecture

2013-07-31 Thread Chris Hanson
Inherit it the wrong term. The sofa Node would be parented to the room Node. But, Geode can't have children, only Groups (another kind of Node) can. So you'd make a Room Group. Its children would be the Room Walls Geode and the Sofa Geode. Rotating the Room Group would rotate all the stuff that

[osg-users] Shadows on invisible objects

2013-07-31 Thread Juan Cruz
Hi, I'm creating a visualization where it is critical for some invisible objects to be able to receive shadows on them. I know this sounds physically impossible, but I hope it is possible on a virtual environment. Is there any way of achieving this in OSG? Perhaps using shaders? Thank you!

[osg-users] How to apply multiple textures to a model in openscenegraph?

2013-07-31 Thread Lokesh Kumar
Hi, I have a flt model and multiple *.dds texture files in a Directory :- my folder directory structure:- my_folder |- terrain.flt |- road.dds |- city.dds |- building1.dds |- building2.dds |- building3.dds |- building3.dds

[osg-users] How to grasp an object in virtual scene by using a CyberGlove and OSG?

2013-07-31 Thread Junjie Xue
Hi, I am working on a virtual assembly demo by using OSG and CyberGlove together. Currently i have sucessfully connect and drive the virtual hand in the scene using realtime data sent from the glove. Now i want to add collision detection between the hand and a part in the scene. when the

[osg-users] StateGraph prune and performance

2013-07-31 Thread Dusty Embrey
Hi, I have a large terrain database with about 100 entities in it using osg 2.8.3. I currently have a CPU bottleneck which is spending about 70% of the frame doing allocations of new StateGraph nodes during my cull() pass. This occurs in the find_or_insert() function called from

[osg-users] Multiple EGLViews for osgAndroidExampleGLES1

2013-07-31 Thread Mahmoud Aly
Hi, I just started working around osg with Android and starting with the example for GLES1. I was wondering how to have multiple EGLViews in the same layout. The thing that all of the native methods in the Lib are static and I think that triggers a problem whenever creating a new Renderer in

Re: [osg-users] OpenSceneGraph transformation precision

2013-07-31 Thread john doe
Hi, For a project I work on I try to build a visualizer for a flight simulator. When trying to build all the stuff I need to I run into strange behavior when using osg with huge units. For example compare the two code https://gist.github.com/anonymous/5662271 Only the lines 21 and 22 are

Re: [osg-users] OpenSceneGraph transformation precision

2013-07-31 Thread John Doe
Hi, For a project I work on I try to build a visualizer for a flight simulator. When trying to build all the stuff I need to I run into strange behavior when using osg with huge units. For example compare the two code https://gist.github. com/anonymous/5662303 Only the lines 21 and 22 are

[osg-users] [osgPlugins] osgQt 2 Widget, 2 Viewer - freeze

2013-07-31 Thread Robin Delbaere
Hi, I have a problem with osg and Qt I have 1 main window with 1 viewer that run normally And I have 1 button that open another Widget with another osgViewer but there I have to wait 30 or 40 s before move camera If I put in comment the code of the first Viewer the second run normally If

Re: [osg-users] [ANN] New versions of the SilverLining Cloud, Sky Weather SDK and the Triton Ocean SDK

2013-07-31 Thread Mohammed Djeralfia
Hello, I am new with Triton, I want to set Water to a specific area in my project -- use Patch but all my objects were covered by water. So can you give us a simple code for osg using patch to try it. Thank you in advance. -- Read this topic online here:

[osg-users] Error occus when set up 3D Quad stereo

2013-07-31 Thread Ruixuan Li
Hi, We currently have: Graphic card type: NVIDIA GeForce 9300GE Monitor/TV(Panasonic TC-P50UT50): Screen refresh rate 60Hz, colors: 32bit, resolution: 1920*1080 (3D TV) Glasses: Panasonic 3D FULL HD (TY-ER3D4MU) wireless We want to set up 3D Quad stereo in our computer, but errors occurs. The

[osg-users] 3D quad stereo errors

2013-07-31 Thread Ruixuan Li
Hi, We tried to run 3D quad stereo, but errors occurred. The hardware we have: Graphic card type: NVIDIA GeForce 9300GE Monitor/TV(Panasonic TC-P50UT50): Screen refresh rate 60Hz, colors: 32bit, resolution: 1920*1080 Glasses: Panasonic 3D FULL HD (TY-ER3D4MU) wireless The 3d glasses is

Re: [osg-users] [ANN] New versions of the SilverLining Cloud, Sky Weather SDK and the Triton Ocean SDK

2013-07-31 Thread Chris Hanson
You might want to contact Frank Kane at Sundog software directly. I don't think is really appropriate for the OSG users mailing list. On Thu, May 30, 2013 at 12:27 PM, Mohammed Djeralfia d_moham...@yahoo.frwrote: Hello, I am new with Triton, I want to set Water to a specific area in my

Re: [osg-users] IllegalArgumentException?

2013-07-31 Thread Hannah Carbonnier
Hi, Did you solve the problem ? Because I have the same and don't know what I'm doing wrong... ... Thank you! Cheers, Hannah -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=54538#54538 ___

Re: [osg-users] IllegalArgumentException?

2013-07-31 Thread Hannah Carbonnier
Hi, Actualy, I've found the answer: my application can't work on virtual device and I have to test it on a real one. Cheers, Hannah -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=54586#54586 ___

[osg-users] [osgPlugins] FLT plugin rescale some textures with dimensions non power of two

2013-07-31 Thread Mike Fournigault
Hi everyone, I have some troubles with loading FLT models in my osg program. For some models, if their textures have dimensions that are not power of two, the plugin enters in a case where it rescale those textures with the greatest power of two. And the result is that finally the model is not

[osg-users] [forum] Instanced drawing

2013-07-31 Thread Mateusz Janiak
Hi, I have a large static scene to render - it will not change in time. It can contain even 1M spheres representing atoms in a particular material. I have read a lot about instanced drawing and went through examples: osgdrawinstanced osgshaders but I can not to figure out how can I pass world

[osg-users] Requesting in update traversal

2013-07-31 Thread vadiraj kaamsha
Hi, I have two view which display the same content in different ways, so it would be much better if I was able to request data only once in the update traversal. Is there any specific reason why the node-visitor in the update traversal does not hold a pointer to the database requester? I would

Re: [osg-users] OpenSceneGraph transformation precision

2013-07-31 Thread Preet
It looks like a common precision issue in OpenGL -- you can't directly pass planetary scale values since you're limited to floats. To get around this, parent your Geodes with a Transform node as you did in your second example. See this mailing list thread for more info:

[osg-users] OpenGL 4 support

2013-07-31 Thread Roger Floydman
Hi, I'd heard lots of good things about OpenSceneGraph so decided to give it a try. On the 'features' page it says OpenGL 1.0 through to OpenGL 4.2, and OpenGL ES 1.1 and 2.0 are supported which is good as i wanted to use 'modern GL techniques' I decided to build from source as i wanted to

[osg-users] Trouble placing CEGUI in scene graph

2013-07-31 Thread Cody Hanika
Hi, I am currently trying to map a CEGUI created GUI texture to a quad in osg. I am getting the CEGUI openGL texture Id from cegui and then trying to load that into an osg::Image and then map that as a texture onto a quad. I am just getting a solid color mapped onto the quad (it happens to

[osg-users] Some problems with Shadowmap

2013-07-31 Thread Cyclonis Delta
Hi, I have been using OSG for a while now, but now I am trying to implement shadows using the ShadowMap. This generally works, but for some reason all the .osg models that I import through readNodeFile are now missing their textures. When I switch back from the ShadowedScene to a regular

[osg-users] Converting a 4x4 transformation matrix to an AnimationPath::ControlPoint

2013-07-31 Thread Tom Jones
Hi, A project I am working on involves adding a 3d visualization component to a simulation model. The simulation code returns a 4x4 transformation matrix of the component for each time point you are interested in. The format of this 4x4 transformation matrix is pretty much your typical

[osg-users] [osgPlugins] Problems building plugin fbx - osg-3.0.1

2013-07-31 Thread Flavien Du Peloux
Hi, I know there is a lot of topics dealing with this subject and i'm pretty sure i read the most of them, but i still don't succeed to build my fbx plugin... I am using OpenSceneGraph-3.0.1 with Visual Studio 2010, and i checked in ReaderWriterFBX.h that i need the FBX SDK version 2012.1.

[osg-users] Qlist of osg::Image

2013-07-31 Thread Filippo Fontanelli
Hi, I'm trying to create a buffer of osg :: image, which will be shared between 2 threads. The problem is that when I try to remove an image from the buffer (list) my application terminated. Post here a simple code: Code: Qlistosg::ref_prtOsg::Image m_ListImage; m_QImage =

[osg-users] How to constantly render a very far object?

2013-07-31 Thread Mengyu Yuan
Hi, I have an object in my scene far from my camera. So far away that I can only see a single pixel on screen. And it is slowly approaching the camera. Now I need the camera to constantly render that pixel in the first few seconds. The problem is: the pixel disappears once in a while. When

Re: [osg-users] Particles problem

2013-07-31 Thread Flavien Du Peloux
Hi, I am 4 years late but maybe it will help someone else. I had a problem wich was similar to yours: i wanted to hide/show a node who had a particleSystemUpdater attached, and the accumulation problem came to me there. So that's what i did to get around: We should not hide/show the node (or

[osg-users] opengl errors in compiling Openscenegraph 3.1.8 with Qt 5.0.2

2013-07-31 Thread Lokesh Kumar
Hi, I'm trying to compile openscenegraph-3.1.8 with Qt 5.0.2 using mingw-32 compiler after configuring with cmake 2.8.11 on windows 7 (basic). But, in the compilation process i got the following errors :- Code: In file included from

[osg-users] Error when running first own OSG application, I don't understand

2013-07-31 Thread Johan Johas
Hi everyone, I tried to get my first own OSG application to work (well, it's not my own, but a hello world example). But something seems wrong... I followed the guide here about setting up your first app: I wanted to create the project in an own space, not in the OpenSceneGraph directory, and

[osg-users] Cant't read PNG image correctly?

2013-07-31 Thread Mohammed Djeralfia
I have a tiff image that I create from it an thumbnail with gdal_translate: gdal_translate.exe -outsize 300 400 -of PNG -ot byte -scale image.tif thumbnail.png than I load it on the earth(osgEarth) and it look correct: [Image: http://forum.osgearth.org/file/n7581916/goodImage.png ] But when

Re: [osg-users] Error when running first own OSG application, I don't understand

2013-07-31 Thread Chris Hanson
Looks like you compiled a debug build of your EXE but you're using a non-debug version of OSG. Change one of them to match the other and see how it goes. On Fri, Jul 5, 2013 at 8:39 AM, Johan Johas johas...@student.liu.se wrote: Hi everyone, I tried to get my first own OSG application to

[osg-users] [osgCompute] cuda OpenGL interoperability

2013-07-31 Thread Amil Shabo
Hi, where the actualy interoperability between cuda and openGL is done, I already read the osgCompute documentation and I am thinking of map function...may be. I need to know this to perform some operations on Pixels in cuda and view this in PBO in openscenegraph. this should be done without

[osg-users] OSG and HMD

2013-07-31 Thread Cor Jansen
Hi, I'm looking for a graphics engine for a flight simulator using a HMD like the Oculus Rift. Because of the HMD I need a very low latency. But I also would like very high graphics quality. Which of the following two approaches would be best? A. Use some high quality game engine and

[osg-users] Text with transparent background

2013-07-31 Thread Xiangfei Cui
Hi, There are two osg::Drawables. One is a filled red polygon, the other is a white Text on the polygon. I wish as to the Text's background is transparent so I can see red background, but the result is wrong. as to the figure: Thank you! Cheers, Xiangfei -- Read this topic

[osg-users] 2D Overlay on HUD

2013-07-31 Thread Hen Drik
Hi OSG-User, I'm very new on osg and have the task to create a HUD which should overlay a 3D object from the actual scene. I have a map with a flight object on it. This object is a 3D model, it can follow paths on the underlying map which can be set by the user. The map could contain

[osg-users] 2d HUD animation

2013-07-31 Thread Alexandre Vaillancourt
Hi all, First post here! Anyways, let's get on with the question. We need to add a 'Loading' animated icon to our loading screen, and I was wondering what was the preferred way to do it with OSG. I'm planning on using a series of ~30 PNGs images and queue them one after the other to make it

[osg-users] How to get the pixel length of a string

2013-07-31 Thread Xiangfei Cui
Hi, I have a question. I create a osgText::Text and set the CharacterSizeMode to SCREEN_COORDS. How can I get the pixel length of a string ? Thank you! Cheers, Xiangfei -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=55400#55400

Re: [osg-users] OpenSceneGraph-3.2.0 stable release tagged!

2013-07-31 Thread SuWen,Xu
It seam that there is someing programe with the osgviewerMFC, all my apps create with osg::ref_ptrosg::Referenced windata = new osgViewer::GraphicsWindowWin32::WindowData(m_hWnd); miss GL_DEEP_TEST -- Read this topic online here:

[osg-users] load many and big bmp image into textures

2013-07-31 Thread Nat Doublet
Hi, I cut an image in 16*16 bitmap files (12M each). I want to put one by one in an osg::texture2d, after use, I want to unload it just after (to avoid trouble with memory). My code is : [code] std::pairint, int XY = std::make_pair(ix, iy); osg::StateSet* p_stateSet =

[osg-users] Aspect Ratio Issue in iOS

2013-07-31 Thread Lenny Becho
Hi, I'm trying to render a scene onto a UIView that's part of a UIViewController, so that I can have iOS UI overlay on top of the OSG view. I tried to achieve this by using the GraphicsWindowIOS class and binding it to my internal view. This works fine except for one issue, the scene seems

[osg-users] just classes...

2013-07-31 Thread Torben Dannhauer
Hi Kantaki, as you can read here (http://www.umich.edu/~eecs381/handouts/C++11_smart_ptrs.pdf), C++11 smart pointers are simply classes (as osg::ref_ptr are) and not part of the underlying low level infrastructure. Therefore I doubt that there is a significant advantage compared with OSG

[osg-users] Need Help regarding Camera Manipulator for simulation of Micro Air Vehicle

2013-07-31 Thread Alexander Kale
Hi, This is Alex. I am working on a project for simulation of Micro Air Vehicle. My application is to have the camera or viewer fixed at some location say runway and should track the MAV flying by adjusting it's view angle and area. I tried to use the setViewMatrixAsLookAt function, but the

Re: [osg-users] Text with transparent background

2013-07-31 Thread Preet
Is blending enabled in the scene graph? ie rootNode-getOrCreateStateSet()-setMode(GL_BLEND,osg::StateAttribute::ON); On Fri, Jul 19, 2013 at 3:05 AM, Xiangfei Cui sophist...@gmail.com wrote: Hi, There are two osg::Drawables. One is a filled red polygon, the other is a white Text on the

Re: [osg-users] Need Help regarding Camera Manipulator for simulation of Micro Air Vehicle

2013-07-31 Thread Chris Hanson
It would all depend on what you're filling in as the setViewMatrixAsLookAt arguments. Explain how you're calling it. On Thu, Jul 25, 2013 at 5:52 AM, Alexander Kale alexander.k...@gmail.comwrote: Hi, This is Alex. I am working on a project for simulation of Micro Air Vehicle. My application

[osg-users] [build] Openthreads dll problem

2013-07-31 Thread Phil Oconnor
Hi, I'm upgrading from 3.1.5 (osg97) to 3.2.0 (osg100). I've built osg 3.2.0 successfully, and built my application successfully with it. (Windows 7, Visual Studio 2010) Upon running my app, it crashes citing ot12-Openthreads.dll as the fault module. However that module is built with osg97.

[osg-users] Installation process

2013-07-31 Thread Erappa Naik
Hi, I am very new to the OSG. I tried the same steps which is explained in getting started page. But I did not succeed to install OSG. Can anybody please help me, how to install OSG on windows 8 x64 bit processor and I am using Visual studio 2008 version 9.0. Thank you in advance ! Cheers,

Re: [osg-users] [build] Openthreads dll problem

2013-07-31 Thread Chris Hanson
You may have a stale .lib around, or be loading a plugin that is linked with the old DLL. Dependency Walker can tell you what EXEs or DLLs are looking for what DLLs. On Wed, Jul 31, 2013 at 11:31 AM, Phil Oconnor pocon...@magicleap.comwrote: Hi, I'm upgrading from 3.1.5 (osg97) to 3.2.0

Re: [osg-users] load many and big bmp image into textures

2013-07-31 Thread Preet
1. If you use osg::ref_ptr for your Texture2D objects, they should be cleaned up when you remove any references to them (ie just remove the geode(s) the texture is attached to or any other references to the texture) 2. bad_alloc usually means you're running out of memory. On Fri, Jul 26, 2013

Re: [osg-users] osgLeap Leap Motion Integration

2013-07-31 Thread Johannes Scholz
Hi, in the SVN trunk I've now added a Mode setting to the LeapManipulator for switching between the Two-Handed mode you can see in the video and the new simpler single-handed mode which allows ROTATE ZOOM, only (just like in the Cyber-Science Motion App in Airspace). Cheers, Johannes

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