Re: [osg-users] Billbord zooming

Nitin , You can use autotransform node for doing this. Cheers RJ -- Rahul Jain rah...@darshan3d.com +91-98109-83697 Manager, Application Engineering, VizExperts India Pvt. Limited, Gurgaon, Haryana - 122001 www.vizexperts.com Sent from BlackBerry® on Airtel -Original Message- From

Re: [osg-users] Newb looking for tutorial

Hi David, Did you check out this link http://www.openscenegraph.org/projects/osg/wiki/Support/Tutorials. cheers RJ David Goering wrote: Hey, I have been fooling arround with OpenSceneGraph and OSGART the last few weeks, and have very much benefited from your help so far, so thank you ;)

[osg-users] Problem with osgpdf on windows

Hi Guys, I am having trouble with running osgpdf example. I have compiled the pdf plugin, but it seems there is some problem while loading the pdf from cairo. Has any one tested the osgpdf example successfully on Windows? If Yes please share the sources of cairo and other dependencies used

[osg-users] Using osgWidget Only On one display In Multiple Display Setup

Hi All, I am running my application on multiple displays (0.0 0.1). I am using two slave cameras for rendering on to both the displays. The GUI of the application is written using osgWidget. When I run my application the same menu is replicated on both the displays. Is it possible to render

Re: [osg-users] Dinamic Line Drawing

Hi Sergey, You need to add your new vertices to the geometry vertex data and update the first and size of your primitive set which is drawing the line. For example osg::Geometry* geom // is your geometry osg::DrawArrays* drawArrayLines = new

Re: [osg-users] Dinamic Line Drawing

Hi Sergey, You must be creating a osg::Geometry, Right ? If yes then you can use function osg::Vec3Array* vertexData = geom-getVertexArray(). Ones you have vertexData you can add your new vertex as vertexData-push_back(newVertex); cheers RJ Sergey wrote: [quote=Rahul Jain]Hi Sergey

Re: [osg-users] osgEarth - terrain on demand

fine for me in both Windows and Linux now. Can you see if your test works after an SVN update? Thanks! PS. The Yahoo Maps and Google Traffic example is my favorite too;) Jason On Sat, Jan 24, 2009 at 6:43 AM, Rahul Jain rah...@vizexperts.com mailto:rah...@vizexperts.com wrote: HI

[osg-users] Best mechanism for creating characters ?

Hi All, What is the best mechanism to create the characters to be used with osgAnimation ? cheers RJ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] osgEarth - terrain on demand

HI Glenn, Great work ! I am testing your project and the results are phenomenal. The best example i like is traffic.earth, combining data from google and yahoo is simply awesome :) But i am facing problem while loading local data through osgEarth. I created a simple boston.earth file

Re: [osg-users] vpb: Spherical terrains?

Hi Guys, I also want to create the moon model for my project. But I am not able to find any data sources till now. Glenn, can you tell me the source of the imagery you have used for generating the terrain. Are there any free data sources for the moon imagery ? RJ Alejandro Aguilar Sierra wrote:

Re: [osg-users] VPB: Moon sources (was Re: vpb: Spherical terrains?

The better ones are from NASA and the USGS. Google moon has links here http://www.google.com/moon/about.html I'd like to know about your progress with these models. Regards, -- A. On Sat, Nov 22, 2008 at 2:34 AM, Rahul Jain [EMAIL PROTECTED] wrote: Hi Guys, I also want to create

Re: [osg-users] VNC client done in 3D

Hi all, Have any body tested it on Windows. I am having trouble compiling it using cygbin. Rahul Robert Osfield wrote: Hi J-S. On Mon, Nov 3, 2008 at 6:08 PM, Jean-Sébastien Guay [EMAIL PROTECTED] wrote: Hi Robert, osgvnc --host 10.0.0.1 --host 10.0.0.2 Just curious,

[osg-users] RenderBuffer Use case scenario

Hi All, What are the different scenarios in which OpenGL RenderBuffer can be used ? Do we use them in OSG ? Regards RJ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] RenderBuffer Use case scenario

: Hi RJ, The RenderBuffer is just a component of a FrameBufferObject, and yes it is supported by the OSG. And FBO's are used for off screen rendering and render to texture effects. Robert. On Fri, Nov 14, 2008 at 8:01 AM, Rahul Jain [EMAIL PROTECTED] wrote: Hi All, What

Re: [osg-users] controlling swap

Hi Ed, I would also recommend to use osgViewer::CompositeViewer from the starting. The reason is that osgViewer::Viewer can be mimicked by osgViewer::CompositeViewer containing a single osgViewer::View RJ Jean-Sébastien Guay wrote: Hi Ed, After reading osgViewer::Viewer vs

Re: [osg-users] How to speed up osg:Shapedrawable with many instances

HiMike, First of all you should analyze the bottleneck in your application, osgViewer::StatsHandler will give you the time spent in each traversal. From the problem you are facing it seems you are draw limited(rendering a lot number of triangles). One option will be to create LOD(level of

[osg-users] OverlayNode : Proble setting render target implementation

am using OSG 2.6. Am i missing something or this might be a bug. Best regards, Rahul -- Rahul Jain, Member of Technical Staff, Visualization Experts Limited. www.vizexperts.com +91-98109-83697 (M) ___ osg-users mailing list osg-users

[osg-users] Problem rendering Overlay node

-setOverlayBaseHeight(0.0); olNode-setTexEnvMode(GL_BLEND); olNode-setOverlayClearColor(osg::Vec4(1.0, 0.0, 0.0, 0.0)); osg::ref_ptrosg::Group grpNode = new osg::Group; olNode-addChild(cylNode); Can someone tell me what am i doing wrong ? -- Rahul Jain, Member of Technical Staff

[osg-users] Linking error : OpenThread

Hi all, While compiling my application with OSG2.6 I am getting following linking error *undefined reference to `OpenThreads::Atomic::operator--()*. The same application is linked properly with OSG2.4. Since i am not using Atomic operation in my application, i am not able to find the

[osg-users] problem using overlay node

Hi all, I am trying to overlay a shape file on a terrain using overlay node. But the two textures are not blending, instead the overlay texture has replaced the terrain texture. I am attaching the final rendered image for you to ponder upon. I am using the code of osgsimulation example

Re: [osg-users] Problem using osg::ColorMatrix

Hi Ulrich, Thanks for the reply, you are absolutely right, color matrix is part of imaging subset which is used during pixel transfer operation. The concept just slipped out of my mind ;) thanks for the correcting my thoughts cheers RJ Ulrich Hertlein wrote: Hi Rahul, Rahul Jain wrote: Color

[osg-users] Problem using osg::ColorMatrix

Hi all, I am trying to use OpenFL color matrix functionality through osg::ColorMatrix but not able to do so. When i apply this to a node |(cessna.osg) i do not see any effect. I am pasting the code below for you guys to have a look. I don't know what am i doing wrong in this simple piece of code

Re: [osg-users] Problem using osg::ColorMatrix

: Having never used a ColorMatrix in OpenGL or OSG What effect is this supposed to produce ? Do you have screen grabs of what it should look like if done in raw Opengl ? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rahul Jain Sent: Monday, July

[osg-users] Running OSG application in Firefox

Hi all , I want to write a plugin so that i can embed my OSG application in Firefox browser. Have any one tried this before ? Please suggest me some pointers to start with . cheers RJ ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Problem using osgCal2

Thanks Andrew, I am working on Linux, and osgCalViewer is just working fine. I will try to use Delta3D it seems to me a better option too. RJ Andrew Lett wrote: Hello Rahul, I also gave osgCal2 (I believe 0.3.1) a try with both OSG2.0 and OSG2.4 - and I wasn't successful with either

[osg-users] Building curl plugin on Linux

Hi all, I want to build curl plugin for OSG.2.5.5, but when i hit ccmake I do not find any option to specify the curl include and libs. So the question is how to build the curl plugin. cheers RJ ___ osg-users mailing list

[osg-users] Problem using osgCal2

Hi All , I am trying to place some characters (cal3D) on a terrain I created using VPB at a particular location on the terrain using the code shown below. But when i run my program i do not see any thing, using mouse (trackball) functionality i cam locate the terrain but could not locate the

Re: [osg-users] Sun, moon, clouds. Any recommendations?

Hi Chris , You can have a look at osg Ephemeris for sun , moon and stars at http://www.andesengineering.com/ cheers RJ Dorosky, Christopher G wrote: Hi all, I've gotta add the sun, moon and some 3D clouds to our simulation. Any recommendations on osg-friendly examples to follow? Thanks,

Re: [osg-users] OpenSceneGraph-2.5.5 developer release tagged

Hi Robert, Builds fine on suse 10.3 x86_64. But facing some problems running osgWidget examples, Not able to find the images required for running the sample examples. For example osgWidget: Widget [BorderLeft] cannot find file osgWidget/border-left.tga to set as it's Image. while running

Re: [osg-users] esc key handler

Mike U can look at the code eventTraversal() in Viewer.cpp at line number 501. This is where viewer is set to be done ones you press esc key. RJ Mike Greene wrote: Where in the osg source code is the close down section for when the user hits the esc key? I need to be able to replicate the code

[osg-users] DatabsePager::setTargetFrameRate()

Hi All, How does the parameter _targetFrameRate affects the loading of files from disk. I can not find its implementation in the source code (OSG 2.0 and 2.4). cheers RJ ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Finding point of intersection using depth buffer

Rahul Sumit Robert. On Mon, Jun 23, 2008 at 7:57 PM, Rahul Jain [EMAIL PROTECTED] wrote: Hi, I want to find point of intersection with the scene at the location pointed by mouse using depth buffer. I have attached an image to the camera for getting the depth buffer values per frame

[osg-users] SceneView::_renderGraph Question

Hi All, I am trying to understand how does OSG create the _renderGraph from the SceneGraph. I am not able to understand where exactly this process is happening in the OSG, I tried to browse the code but not able to get much of the information. Can somebody provide me some pointers in the source

Re: [osg-users] Please test SVN of OpenSceneGraph and VirtualPlanetBuilder in prep for dev releases

Hi Robert, OSG built fine on linux (suse 10.3) with cmake 2.4.7. Checked examples also they are working properly cheers RJ Robert Osfield wrote: Hi All, Today I've begun clearing the osg-submissions back log. I've merged the majority of the backlog, and will continue tomorrow morning and

[osg-users] osgTerrain::GeometryTechnique

Hi All, In the osgTerrain::GeometryTechnique buffer._transform is not added to scene graph explicitly using addChild, can any one tell me how it is then getting rendered. RJ ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] Writing Custom osgTerrain::Layer in .osg file format

Hi all, I have created a new layerosgTerrain::ShpLayer : public osgTerrain:Layer and would like to dump it in .osg file as part of my scene graph similar to other layers derived from Layer. How can i do this ? RJ ___ osg-users mailing list

Re: [osg-users] Texture2DArray shows up black

Hi Art, Here is the code. cheers RJ Art Tevs wrote: Hi Raul, is it possible, that you extract that peace of code and post it here. Maybe I would be able to find then the issue. On my side, texture arrays seems to work properly ;) Best regards, Art --- Rahul Jain [EMAIL PROTECTED

Re: [osg-users] Texture2DArray shows up black (WARN: A bug in implementation)

to prepare a patch, which will solve the problem. Hence, just be patient and take a look into osg-submissions list ;) Best regards, Art --- Rahul Jain [EMAIL PROTECTED] schrieb am Sa, 17.5.2008: Von: Rahul Jain [EMAIL PROTECTED] Betreff: Re: [osg-users] Texture2DArray shows up

Re: [osg-users] Texture2DArray shows up black

Hi Sean and all, I am facing the same problem as yours on my G80 card on windows as well as linux. I also tried your code but the results are all same. I am linking with OSG2.4 libs. What can be wrong Cheers RJ Sean Carmody wrote: Art, Thanks a lot, I've made the change you suggested. Also,

Re: [osg-users] Texture2DArray shows up black

Yes I did but no luck I tried the program sean sent also. RJ Art Tevs wrote: Hi Raul, have you tried the proposed changes by Sean (min/mag filters, at least 2 layers, ...)? Cheers, Art --- Rahul Jain [EMAIL PROTECTED] schrieb am Fr, 16.5.2008: Von: Rahul Jain

Re: [osg-users] GDAL plugin functionalities in OSG-2.4 ?

Robert Osfield wrote: On Tue, May 13, 2008 at 11:42 AM, Rahul Jain [EMAIL PROTECTED] wrote: Hi All, What are the functionalities does new gdal plugin in OSG2.4 provides ? Can i read all the files which are supported through gdal. Yes you can read all GDAL supported files. The new

[osg-users] Stereo Immersive Effect

Hi all, How does osgUtil::SceneView::setFusionDistance cid:part1.05040005.01080708@darshan3d.com (FusionDistanceMode cid:part2.04040302.0105@darshan3d.com mode, float value=1.0f) affects the Stereo Rendering. best regards RJ ___ osg-users mailing

[osg-users] Stereo Camera setup

Hi all, I was going through a paper on stereo rendering and there they mentioned two types of camera setup for stereo Toe-in and Off-axis, What kind of setup does OSG used for QuadBuffer stereo rendering and in which file i can find the implementation details. regards RJ

Re: [osg-users] how to zoom in and out in orthographic projection

implement the zoom in your projection? What exactly do you mean by zoom in an orthographic projection? -- mew On Sun, May 4, 2008 at 9:28 AM, Rahul Jain [EMAIL PROTECTED] wrote: Hi Paul, Thanks for the answer and sorry for being so desperate last time. We tried the approach you

Re: [osg-users] how to zoom in and out in orthographic projection

of distance and pixel size? An object far away (large distance) has a small pixel size on screen. So you perhaps have to reorder your LOD range. regards Ralph Rahul Jain schrieb: Hi Paul, Thanks for the answer and sorry for being so desperate last time. We tried the approach you mentioned

Re: [osg-users] how to zoom in and out in orthographic projection

Hi Paul, Thanks for the answer and sorry for being so desperate last time. We tried the approach you mentioned by writing a node visitor and setting the range node(PIXEL_SIZE_ON_SCREEN) for LOD nodes. But the effect i am getting is completely opposite, as i zoom in the high resolution data

[osg-users] Toggling Stereo on/off at run time

Hi all, Is it possible to to toggle the stereo in an OSG application on off using a key at application run time? One idea which i have in mind is to create and add new graphics context to the cameras with stereo configuration and remove the old one, and setup the viewer rendering support again

[osg-users] Alternative to osgCal ?

Hi all, Is any one aware of any open source tool, which can be used instead of osgCal for simulations involving human characters. regards RJ ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Box transparency.

Hi Nicolas, You need to enable the blending as well for the desired effect. What you need to do is to get the StateSet of the shape drawable and set the mode for blending. You need to do some thing like this. shapeDrawable-getOrCreateStateSet()-setMode(GL_BLEND, osg::StateAttribute::ON); cheers

Re: [osg-users] OpenSceneGraph-2.3.5 and VirtualPlanetBuilder-0.9.6 dev release tagged.

Hi All, Is there any tutorial or document explaining how to use the new features of VPB. Also there are lot many applications shipped with VPB, but I am not able to found any document or thread, where these application have been explained. I also looked at

[osg-users] shadow occlusion culling

Hi all, I was walking through osg::CullSetting code and there i find SHADOW_OCCLUSION_CULLING as one of the Culling mode. Can some body tell me where it is used. best regards RJ ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] osgPPU compilation on linux

Hi All, I am trying to build osgPPU on linux x86_64 with OSG 2.0 but getting errors. Before i dig in to the errors i would like to konw which version of OSG I should use for osgPPU to work. best regards rj ___ osg-users mailing list

[osg-users] OSG + sky

Hi all, I want to integrate enviroment in my application, for example clouds and sky. As far as my knowledge is concerned this is not possible in OSG currenly. Can someone tell me the alternatives. best regards Rahul ___ osg-users mailing list

[osg-users] pbuffer performance

Hi Guys, This question is not directly related to OSG, but I hope the OSG users must have answer to this problem and the reason i am asking this on this forum is that because the OSG has most number of OpenGL experts.;) I am transfering data from one pbuffer to other pbuffer using glCopyPixel and