[osg-users] Fwd: Fwd: Fwd: shader implementation - newbie

OSG has a number of places where it use shaders in its implementation, and number of examples as well. Robert. On Tue, Apr 28, 2009 at 8:32 AM, ami guru wrote: > Hello Robert, > > After going through the archives i have found that it has already discussed > the issue that is not presen

[osg-users] Fwd: Fwd: shader implementation - newbie

Osfield Date: Mon, Apr 27, 2009 at 9:57 AM Subject: Re: [osg-users] Fwd: shader implementation - newbie To: OpenSceneGraph Users Hi Sajjad, A lot has been written about shaders and OSG over the years, so rather than me waste time going over old ground please could you search the archi

[osg-users] Fwd: shader implementation - newbie

st any example with in OSG that does that state changes in an interactive way? Regards Sajjad -- Forwarded message -- From: ami guru Date: Sun, Apr 26, 2009 at 7:30 AM Subject: Fwd: [osg-users] shader implementation - newbie To: OpenSceneGraph Users Hello Robert, Thanks for the fe

[osg-users] Fwd: shader implementation - newbie

ink them together with separate osg::Program, or use a single osg::Program and uniforms to option select different paths in the shaders. Robert. On Sat, Apr 25, 2009 at 7:54 AM, ami guru wrote: > Hello forum, > > I am trying to implement some of the shaders in a single OSG application.

[osg-users] Keyboard or mouse handler from Qt

Hello forum, I am using the Qt's GUI framework to interact with the osg scene. i am using AdapterWidget and i would like to capture the GUI events from the Qt and pass that to the OSG's key-board handler. in the AdapterWidget.cpp there is a function : *' void Ada

[osg-users] shader implementation - newbie

Hello forum, I am trying to implement some of the shaders in a single OSG application. At the same time i was going through the osgshaders example and if i have understood that correctly, i saw that the example has separate osg::program for different shaders I was wondering if it is possible to

Re: [osg-users] ray tracing using OSG

Thanks for all the feedback I wondering if osgvolume is doing ray tracing and what is its type. Did that framework follow any published paper? Sajjad On Tue, Apr 14, 2009 at 4:12 PM, Paul Melis wrote: > ami guru wrote: > >> Hello Forum, >> >> >> I was won

Re: [osg-users] OpenSceneGraph-2.8.1 release candidate one tagged

compiled fine on Ubuntu 64 -bit (8.04) - dual core AMD 64-bit osgviewer worked fine Sajjad On Sun, Apr 12, 2009 at 10:01 PM, Cedric Pinson wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Compile fine on gentoo 32 bits with gcc (Gentoo 4.3.2-r3 p1.6, > pie-10.1.5) 4.3.2 dual core2

Re: [osg-users] ray tracing using OSG

using the GPU and the OSG framework. Any of your suggestion would be a great help i believe Thanks Sajjad On Sat, Apr 11, 2009 at 10:53 PM, ami guru wrote: > Hello Adrian > > > I am afraid that i will be getting into off-topic now, so you can mail me > at dosto.wa...@gmail.com

Re: [osg-users] ray tracing using OSG

>> >> Well i don't know, i just build my raytracer this morning on mac os/x >>> with osg trunk. (svn ) >>> >>> i will send the code and cmake file >>> >>> /adrian >>> >>> >>> 2009/4/11 ami guru >>>

Re: [osg-users] ray tracing using OSG

posted earlier (by Adrian Egli?) with >> his first cut at raytracing using a kd tree. I saved all the links >> to the various posts/threads on this subject, also, which can share >> with you if interested. >> >> Charles >> >> On Fri, Apr 10, 2009 at 10:16 P

[osg-users] osgvertexprogram example

Hello forum, The shader string in the vertex program example in the assembly code i guess. And it is not making much sense to me. Is that possible to provide the high-level shader (GLSL) snippet and update the patch? Regards Sajjad ___ osg-users maili

[osg-users] ray tracing using OSG

Hello Forum, I was wondering if there is anyone have done ray tracing using OSG. So far i have got from the forum Jean-Sébastien Guay did his Masters thesis on that domain and it would be really nice if he provide the link to the report, at least it would be a starting point for me. What do yo

Re: [osg-users] Light Manager

you can do: > > osg::ref_ptr switch = group->asSwitch(); > > Now you are using a virtual table to get the right type: > > if the object is a Switch you will get the this-pointer of the Switch > if it is not you will get 0. > > Usually there are always better ways then

[osg-users] Light Manager

Hello Forum, I have a LightManager class that tracks the number of lights(OpenGL Lights) that have been created. Inside the class the have the following member osg::ref_ptr groupOfLights; vector > lights; the member groupOfLights contain the LightSource as child. In the application i

Re: [osg-users] MatrixManipulator

Sorry J-S, It was so stupid to make such a mistake . It did work now. Thanks a lot. On Wed, Apr 8, 2009 at 4:09 PM, ami guru wrote: > Hello J-S, > > > I have already tried that , but i am not getting the output that i am > looking for. > > The

Re: [osg-users] MatrixManipulator

Hello J-S, I have already tried that , but i am not getting the output that i am looking for. The snippet is as follows: ''' if (buttonMask == GUIEventAdapter::LEFT_MOUSE_BUTTON) { // rotate camera. osg::Quat new_rotate; osg::Quat new_rotate1;

[osg-users] MatrixManipulator

I have some new issue related to the camera manipulator - subclass of MatrixManipulator that is used in the osgimpostor example. If you have tried the osgimpostor example you will notice that the camera rotate against Z axis when we click the left mouse and drag it from left to right or vice versa

[osg-users] Fwd: Camera Manipulator

Thanks Jean, Alberto, It did help. I have some new issue related to the camera manipulator. If you have tried the osgimpostor example you will notice that the camera rotate against Z axis when we click the left mouse and drag it left to right or vice versa. I want to rotate the camera against

[osg-users] Camera Manipulator

Hello forum, I am going through the example osgimpostor to get the idea of how the quaternion camera is implemented there. The camera manipulator has been derived from the MatrixManipulator class and one of the function that has been over-ridden is setNode(); I would like to find out when th

[osg-users] Fwd: QT4 ViewerQOSG and Q_OBJECT

Hello Roman, I think i did something similar to what you did. I designed a main window in the Qt Designer and i have created dialog as well where the user can choose the model and load it. I did the whole thing by promoting the Adapter Widget Regards Sajjad -- Forwarded message ---

[osg-users] Fwd: QT4 ViewerQOSG and Q_OBJECT

Hello Martin, I have tried the way you have suggested i believe: But ended up having error: AdapterWidget.o: In function `AdapterWidget::AdapterWidget(QWidget*, char const*, QGLWidget const*, QFlags)': AdapterWidget.cpp:(.text+0x6c4): undefined reference to

[osg-users] default coordinate system and camera - newbie

t;< "The up vector is: " << up.x() << " " << up.y() << " " << up.z() << endl; *** -- Forwarded message -- From: ami guru Date: Thu, Apr 2, 2009 at 2:39 AM Subject: Fwd: [o

[osg-users] Fwd: default coordinate system and camera - newbie

scene fits within a 50 degree FOV (I think it's 50, not sure). Paul Martz *Skew Matrix Software LLC* http://www.skew-matrix.com +1 303 859 9466 -- *From:* osg-users-boun...@lists.openscenegraph.org [mailto: osg-users-boun...@lists.openscenegraph.org] *On Beh

[osg-users] default coordinate system and camera - newbie

Hello forum, osgViewer , by default uses the world coordinate system that is oriented with positive X to right , positive Z up, and positive Y into the screen. Does that mean the camera' s defualt position is at the origin looking down into the screen which is positive Y? I have tried to ex

[osg-users] Fwd: osgshadow not functional

s.openscenegraph.org [mailto: osg-users-boun...@lists.openscenegraph.org] *On Behalf Of *ami guru *Sent:* Saturday, March 28, 2009 4:40 PM *To:* OpenSceneGraph Users *Subject:* [osg-users] osgshadow not functional Hello forum, osgshadow is giving the following error: *

[osg-users] osgshadow not functional

Hello forum, osgshadow is giving the following error: * Warning: detected OpenGL error 'invalid operation' after RenderBin::draw(,) Warning: detected OpenGL error 'invalid operation' after RenderBin::draw(,) Warning: detected OpenGL error 'invalid operation' afte

[osg-users] Fwd: Fwd: Fwd: CallBack issue

-- From: Ulrich Hertlein Date: Sat, Mar 28, 2009 at 12:26 PM Subject: Re: [osg-users] Fwd: Fwd: CallBack issue To: OpenSceneGraph Users Hello Sajjad, On 28/3/09 10:00 PM, ami guru wrote: > The following snippet may elaborate more: > > **&#x

[osg-users] Fwd: Fwd: CallBack issue

, On 28/3/09 12:01 PM, ami guru wrote: > With callbacks we dynamically modify the node during the update > traversal.So any node that has already gone through some affine > transformation will be replaced in the call backs, but not concatenated. > > On the other hand if we specify an

[osg-users] Fwd: CallBack issue

misunderstood the concept. Regards Sajjad -- Forwarded message -- From: Ulrich Hertlein Date: Sat, Mar 28, 2009 at 12:24 AM Subject: Re: [osg-users] CallBack issue To: OpenSceneGraph Users Hello Ami, On 28/3/09 8:50 AM, ami guru wrote: > virtual void operator()(osg::Node *n

[osg-users] CallBack issue

Hello forum, I am trying to rorate an object continuously through a call back. Before calling the calback i am doing some affine transformation over that object The final rendered the scaled down to a tiny object . In the callback subclass i am overloading the () operator and i am performing the

[osg-users] Trackball Functionality - The concept

Hello Forum, Could some one provide more reference to the trackball functionality Is there any connection to the osgGA::TrackballManipulator* tbm = new osgGA::TrackballManipulator(); I did not find enough information on that and its usage. in the osganimationmakepath i have commented that

[osg-users] Fwd: Fwd: osganimate

essna and the glider circling above the checkerboard. Cory ami guru wrote: Thanks Cory, I already have the path set as follows: #OpenSceneGraph related flags OPENSCENEGRAPH_PATH=/usr/local/share/OpenSceneGraph/bin OSG_FILE_PATH=/home/sajjad/downloads/OpenSceneGraph/OpenSceneGraph-Data-2.6.0 OSG

[osg-users] Fwd: osganimate

According to this page: http://www.openscenegraph.org/projects/osg/wiki/Support/UserGuides/Examples you need to have OSG_FILE_PATH set. Then "osganimate --overlay" should work. It does for me. Cory ami guru wrote: Hello forum, I am going through the osg examples and i have an issu

[osg-users] osganimate

Hello forum, I am going through the osg examples and i have an issue with one of the following osganimate What is the expected output of that example? - It should be some kind of animation I used the following commands , but getting no animation except the rendering of the base. osganimat

[osg-users] Fwd: generate height map using fractal

e flexible (you can run them through the Simplifier, for example). Paul Martz *Skew Matrix Software LLC* http://www.skew-matrix.com +1 303 859 9466 -- *From:* osg-users-boun...@lists.openscenegraph.org [mailto: osg-users-boun...@lists.openscenegraph.org] *On Beha

[osg-users] generate height map using fractal

Hello forum, I have been using the Paul's article about generating terrain using fractals http://gameprogrammer.com/fractal.html I am populating the values in the osg height map structure. But The rendering is giving me a flat surface. I hope that Paul sees that as well. **

[osg-users] Fwd: creating widget for Qt

Hello Ivan, What is the difference betwen the AdapterWidget and QOSGWidget. I found one to be the subclass of GLWidget and the other is QWidget. Which one is better ? Any explanation? Regards Sajjad -- Forwarded message -- From: Iván Cuevas Date: 2009/3/19 Subject: Re: [o

[osg-users] Fwd: OpenGL EXTENSION support

Forwarded message -- From: Robert Osfield Date: 2009/3/19 Subject: Re: [osg-users] OpenGL EXTENSION support To: OpenSceneGraph Users HI Sajjad, 2009/3/18 ami guru > Is there any class or interface in OSG that can query and print out the > supported extensions within the OpenGL d

[osg-users] question about qt example

Hello Ben, I have the same question as well. I personally using the AdapterWidget with Qt. The only diffrence i found is that AdapterWidget is derived from GLWidget and the other from QWidget. The former one is more concrete than the latter one i guess, GLwidget is using the OpenGL framework.

[osg-users] OpenGL EXTENSION support

Hello forum, Is there any class or interface in OSG that can query and print out the supported extensions within the OpenGL driver ? Regards Sajjad ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.c

[osg-users] Fwd: creating widget for Qt

-- Forwarded message -- From: ami guru Date: Tue, Mar 17, 2009 at 1:04 PM Subject: Fwd: [osg-users] creating widget for Qt To: qt-inter...@trolltech.com Hello Ivan i shall try to elaborate the way i implemented that and your feedback is most welcome on that. 1. Separated the following files

[osg-users] Fwd: creating widget for Qt

Hello Ivan, In the pro file do i have to include OpenGL module or just the library linker for Openscenegraph will suffice Regards Sajjad -- Forwarded message -- From: Iván Date: Wed, Mar 4, 2009 at 11:27 PM Subject: Re: [osg-users] creating widget for Qt To: osg-users@lists.op

[osg-users] creating widget for Qt

Hello forum, I would like to create a viewer widget for osg using the Qt designer. To promote it i need the corresponding header file to that. As i see in the source you have the class declaration and definition in a sigle .cpp file. Do i have to separate them or the header file is located s

[osg-users] X3D content

Does OSG has any support node to load X3D content? Sajjad ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] Browser integration

me four!!! [EMAIL PROTECTED] sajjad On Fri, Oct 31, 2008 at 8:32 PM, Charles Cossé <[EMAIL PROTECTED]> wrote: > me three! > > On Fri, Oct 31, 2008 at 12:43 PM, Mario Mango Furnari > <[EMAIL PROTECTED]> wrote: > > Quoting Wang Rui <[EMAIL PROTECTED]>: > > Hi Wang, > > > > I'm interested too ([EM

[osg-users] Shader issue

Hello forum, I would like to load and apply different shaders(written in GLSL) to the same model with the differet GUI events(may be keypress event). I shall have also have the option of different light source type as well(directional,point ,area) and their numbers. The Geometry node will be sa

Re: [osg-users] StateSet - newbie

); capsuleState->addUniform(new osg::Uniform("WarmColor",osg::Vec3(1,0,0))); capsuleState->addUniform(new osg::Uniform("CoolColor",osg::Vec3(0,0,0.6))); capsuleState->addUniform(new osg::Uniform("DiffuseWarm",0.45f)); capsuleState->addUniform(new osg

Re: [osg-users] StateSet - newbie

before glLinkProgram() was called. Link failed. Warning: detected OpenGL error 'invalid operation' after RenderBin::draw(, ''' But works fine if i have the following instead... ref_ptr nodess3 (myshapegeode3->getOrCreateStat

Re: [osg-users] StateSet - newbie

"CoolColor",osg::Vec3(0,0,0.6))); capsuleState->addUniform(new osg::Uniform("DiffuseWarm",0.45f)); capsuleState->addUniform(new osg::Uniform("DiffuseCool", 0.45f)); root->addChild(capsuleGeode.get()); Any hint? Sajjad On

[osg-users] StateSet - newbie

Hello forum Is there any difference between these following: 1. osg::ref_ptr nodess3 = new StateSet((myshapegeode3->getOrCreateStateSet())); 2. osg::ref_ptr nodess3((myshapegeode3->getOrCreateStateSet())); The the second one works fine and the first one gives error: ***

[osg-users] OpenSceneGraph - down the skin

OpenSceneGraph has put quite a lot of abstraction over the rendering pipeline that have made the development process faster and efficient. But sometimes it is nice to realize and understand the tips and tricks behind it and there is no other way than go down to the source code and studying the

Re: [osg-users] Reference frame

ERY* much for this beautiful guide! > > Good luck, > > Hans. > > ------ > *From:* [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] *On Behalf Of *ami guru > *Sent:* woensdag 10 september 2008 4:59 > *To:* OpenSceneGraph Users > *Subject:* [osg-users] Refere

[osg-users] Reference frame

Hello Forum, OSG Transform allows to specify its reference frame and by default the reference frame is relative. and the other one is the absolute. And the two are specified by different code identifier. We can view transformation in 2 ways. 1. relative to the fixed coordinate system. 2. Local

[osg-users] Utility functions

Hello forum, Are there any utility functions for drawing spheres, planes , boxes ,cubes etc. within OSG's framework? Sajjad ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscene

Re: [osg-users] matrix concept - newbie

c uniforms that have 4x3 matrices. > > There are no 2D or 1D matrices in either the OSG or OpenGL. > > > > Could you please explain what you are trying to achieve, then perhaps > > others will be able to point you in the right direction. > > > > Robert. > &

[osg-users] matrix concept - newbie

Hello forum, Quite new to this rendering system. I would like to know which file does contain the mapping of the OSG matrix(2D) to the OpenGL matrix(1D) in the Source? Regards Sajjad ___ osg-users mailing list osg-users@lists.openscenegraph.org http:/