Re: [osg-users] QuadBuffer crash?Do you have?

Hi, Robert This morning, i've checked your suggestion: using osgviewer cow.osg --stereo QUAD_BUFFER It was same...the problem is still there...sometimes, I got frozen screen... Then we can say that should be a problem of Drivers or Hardware ? Thanks alot~ Cheers, Nan -- Read

Re: [osg-users] QuadBuffer crash?Do you have?

Yes Robert~ You are completely right~i checked with --SingleThreaded option, but it changes nothing...sometimes, it happened again. With the application that are working are based on OpenGL rendering. Because we are using QuadBuffer projectors and shutter glasses... It was a strange

Re: [osg-users] QuadBuffer crash?Do you have?

thansk alot Robert ... Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39908#39908 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] QuadBuffer crash?Do you have?

I'd like to provide an image when a crash happens: I hope someone can help me to fix this problem...I dont know whether it is a problem of OSG or not. [Image: http://i55.tinypic.com/69kxug.jpg ] ... Thank you! Cheers, Nan -- Read this topic online here:

Re: [osg-users] FrameBufferObject problems on OSG 2.9.11

this FBO issue will influence on QuadBuffer rendering?I got some quad buffer problem... ... Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39857#39857 ___ osg-users

Re: [osg-users] How to make attenuation of Points?

Thanks alot Robert~ I will come to you if I have some questions regarding Points~ Thanks ... Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39739#39739 ___ osg-users mailing

[osg-users] QuadBuffer crash?Do you have?

Hello everyone: Recently, i have got an issue of quad buffer stereo display...I'd like to know whether you have the same issue as I got. In the scene, only a cow.osg model is rendered with quad buffer mode, using osg::Displaysettings method. Here is the code I implemented: Code: #include

Re: [osg-users] How to make attenuation of Points?

hello robert: After reading the GL_POINT_DISTANCE_ATTENUATION docs...i tried with osg there's no GL_POINT_DISTANCE_ATTENUATION definition in GL.h only: GL_POINT_SMOOTH GL_POINT_SIZE GL_POINT_SIZE_RANGE GL_POINT_SIZE_GRANULARITY regarding to GL_POINT Is there any example about using

Re: [osg-users] How to make attenuation of Points?

~ it doesn't work setDistanceAttenuation function is not clear... anybody can explain this function? Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39630#39630 ___

Re: [osg-users] Strange Transparent effect [image provided]

hello Delport you mean i have to split my model into lots of parts~ I could not do that, because all the millions objects are all real-time generated in GPU... Do you have another idea of that? Thank you! Cheers, Nan -- Read this topic online here:

[osg-users] How to do attenuation of Points?

Hello everyone: how to do point attenuation? I have some code like: Code: osg::PolygonMode *pm = new osg::PolygonMode( 187 osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::POINT ); 188 stateset-setAttributeAndModes( pm, osg::StateAttribute::ON |

Re: [osg-users] How to do attenuation of Points?

like this:? _point = new osg::Point; _point-setDistanceAttenuation(osg::Vec3(0.0,0.,0.05f)); _stateset-setAttribute(_point.get()); I will test it. THanks -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39610#39610

Re: [osg-users] How to get position of sub-drawable object from PositionAttitudeTransform

anybody knows that? using osg::Node* findNamedNode(const std::string searchName, osg::Node* currNode)? Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39450#39450 ___

[osg-users] How to get position of sub-drawable object from PositionAttitudeTransform

Hello I am wondering how to get position of sub drawable object from PositionAttitudeTransform. Two objects are created with osg::Cylinder and osg::Sphere, the I created two osg::ShaperDrawable...then declare an instance of geode class and attached tow Drawables to it, finally, added

[osg-users] How to update uniform not continually

Hello: I am wondering about how to update an uniform not continually. here is the sample code: Code: osg::Uniform* lightPosU = new osg::Uniform(LightPosition,osg::Vec3(0,0,1)); bumpMapState-addUniform(lightPosU); Then I would like to update lightPosU, from Vec3(0,0,1) to

Re: [osg-users] How to update uniform not continually

Can I do like this? lightPosU.set (osg::Vec3(0,0,10)); then bumpMapState-addUniform(lightPosU); this is a right way to do that? ... Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39283#39283

Re: [osg-users] How to update uniform not continually

Thanks a lot Farshid Lashkari But I think I should first lightPosU.set (osg::Vec3(0,0,10)); Then adduniform Am I right? ... Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39286#39286

[osg-users] Dependencies missing when compile OSG

Hi, everyone When compiling osg source code, I followed the instruction here: http://www.openscenegraph.org/projects/osg/wiki/Downloads/Dependencies download 3rdParty_VC9sp1_x86_x64_V5.7z and put 32bit version in C:\OpenSceneGraph-2.8.4\3rdParty then add the ENV variable OSG_3RDPARTY_DIR to auto

Re: [osg-users] Dependencies missing when compile OSG

Hello J-S I checked your solution, putting 32bit and 64bit in 3dparty directory It doesn't work...not only JPEG_LIBRARY but also JPEG_INCLUDE_DIR are missingworse than putting 32bit only solution... I dont know how to fix this problem I will take AlphaPixel dependencies to instead

[osg-users] Geometry Generated object UV texture?

Hi, Anybody knows how to set a UV coordinate on a geometry shader generated object? I tested my U-moving VS FS shader with a osg::Sphere and osg::box. The uv coordinate can be mapping properly in VS and FS When i apply this two Shaders to a Geometry Shader generated objectsthe texture2D

Re: [osg-users] Geometry Generated object UV texture?

Hello boss: Here are some details of my problem: In my Geometry Shader, i have some codes to generate objects in real time (i.e. triangles, these trangles constitute a surface). With VS and FS, i can set the gl_FragColor as i like.. But when applying a texture to the objects which are

Re: [osg-users] Geometry Generated object UV texture?

the problem i am thinking is that: when we create an object like osg::box..then osg::ShapeDrawable* unitCubeDrawable then the box contain a right UV coordinate. the objects which are realtime generated do not have BOX UVso if i apply a texture to objsthere should be a problem...

Re: [osg-users] Geometry Generated object UV texture?

i am a beginner of OSG Could you provide me an example of that?or some links Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39037#39037 ___ osg-users mailing list

[osg-users] texture to shader parameter?

Hello everyone: i have a question regarding how to pass texture to shader There were some code in the tutorial, such as: Code: bumpMapProgramObject-addShader( bumpFragmentObject ); bumpMapProgramObject-addShader( bumpVertexObject ); osg::Uniform* lightPosU =

Re: [osg-users] texture to shader parameter?

here it is: http://www.openscenegraph.org/projects/osg/wiki/Support/Tutorials/ShadersUpdating ledocc wrote: Hi Nan Can you provide link of tutorial you are talking about ? Cheer David Callu 2011/5/4 Nan WANG () Hello everyone: i have a question regarding how to pass

Re: [osg-users] texture to shader parameter?

http://www.openscenegraph.org/projects/osg/wiki/Support/Tutorials/ShadersUpdating Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38986#38986 ___ osg-users mailing list

Re: [osg-users] texture to shader parameter?

could you explain why here you used texCoord1? because of we setting '1' here? sset-setTextureAttributeAndModes(1,tex2D,osg::StateAttribute::ON); sset-addUniform(new osg::Uniform(tex,1)); i dont think so ... Thank you! Cheers, Nan -- Read this topic online

Re: [osg-users] Multitexture in Shader

i have got the same problemdo you have solution? Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38992#38992 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] texture to shader parameter?

Normally, it should be like this. but, 'gl_MultiTexCoord1' you used is not right..i tested it...no texture is passed to shader if you use gl_TexCoord = gl_MultiTexCoord0; i =0,1,2,3 the texture is passed to Shader... only the gl_MultiTexCoord0 works~... do you know how to use

[osg-users] setTextureAttribute first Parameter?

Hi, Anybody can explain what is the meaning of first parameter of function void osg::StateSet::setTextureAttribute(unsigned int unit, StateAttribute * attribute, StateAttribute::OverrideValue, value = StateAttribute::OFF) what is the meaning of unit? The texture unit to be affected? If I

Re: [osg-users] how to convert float to osgText::String

Hi, Tomlinson and robert thanks a lot for your ideas i usually use standard c method...sprintf should be another simple way I am thinking whether in OSG we have something more professional/directly... Thanks again. ... Thank you! Cheers, Nan -- Read this topic

[osg-users] how to convert float to osgText::String

Hi, I have a simple question How to convert a float number to osgText::String in order to display with osgText::Text::setText function? ... Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38855#38855

[osg-users] Strange Transparent effect [image provided]

Hi, everyone~ I implemented GPU based MarchingCube algorithm in OSG 3D engine. But i have got something strange, here is the picture. [Image: http://i56.tinypic.com/wvcv87.jpg ] some dark gray levels disappear... I just put the generated osg::Geometry object into transparent with function

Re: [osg-users] Strange Transparent effect [image provided]

Hello , there's no alpha clip... Chris 'Xenon' Hanson wrote: On 4/7/2011 11:38 AM, Nan WANG wrote: I just put the generated osg::Geometry object into transparent with function and give an alpha value in fragment shader(constant, e.g. 0.5). sset-setmode(GL_BLEND)... You're

Re: [osg-users] Strange Transparent effect [image provided]

do a search on the archives as this topic has been discussed many many times. Robert. On Thu, Apr 7, 2011 at 6:38 PM, Nan WANG wrote: Hi, everyone~ I implemented GPU based MarchingCube algorithm in OSG 3D engine. But i have got something strange, here is the picture. [Image

Re: [osg-users] Strange Transparent effect [image provided]

http://forum.openscenegraph.org/viewtopic.php?t=7144highlight=transparent+depth this should be solution? Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38307#38307 ___

[osg-users] compositeviewer and addeventhandler?

Hi, everyone: I have created a scene with 'osgViewer::CompositeViewer viewer' as root viewer. in CompositeViewer I add two 'osgViewer::View' one for each eye. My question is can I addEventHandler for my root viewer which is CompositeViewer? as I know we can addEvenntHandler for a

Re: [osg-users] why zlib.dll is miising when execute .exe file

Thanks zonk the 3rdParty package I used is 3rdParty_VC9sp1_x86_x64_V5.7z x86 version~ i think it's not version problem. Ok, i have to add them to PATH environment variable. although, it was not mentioned in the introduction. But, there's no problem with previous OSG source code. Maybe using

Re: [osg-users] why zlib.dll is miising when execute .exe file

Thanks Alji, I think the final solution is adding 3rdParty bin to my PATH...But with previous installation, there was no problem without adding 3rdParty to PATH. When i compile OSG, just path ACTUAL_3DPARTY_DIR to C:/OpenSceneGraph-2.8.3/3rdparty. it was prefect...i think it was a problem of

Re: [osg-users] why zlib.dll is miising when execute .exe file

eh I think not only viewer requires zlib.dll, but also other .exe stopped by the zlib.dll is missing error... crying. If it is dynamic build... it means i have to add to PATH ? Thanks zonk wrote: Hi, 3rdParty package V5 uses zlib not as static build, therefore the viewer

Re: [osg-users] why zlib.dll is miising when execute .exe file

Cool~ That's fineThanks a lot zonk. I will pay attention to this error in my next OSG installation, although it was not mentioned in the introduction page. zonk wrote: Hi, every application which uses zlib requires zlib.dll. Yes, add the directory which contains zlib.dll to your

Re: [osg-users] why zlib.dll is miising when execute .exe file

OK chief here it is~ http://www.openscenegraph.org/projects/osg/wiki/Support/PlatformSpecifics/VisualStudio waiting for your wonderful contribution. zonk wrote: Hi, Can you give me the link to the page? I'll update it.. Thank you! Cheers, Torben -- Read this

[osg-users] why zlib.dll is miising when execute .exe file

Hi, everyone As I installed windows7 on my laptop, i need to reinstall my OSG environment. Usually, i followed the instruction here: http://www.openscenegraph.org/projects/osg/wiki/Support/PlatformSpecifics/VisualStudio What i did on my computer: install VS2008 then sp1 of vs2008 3rdParty

Re: Marching Cube Example？

I create a prototype of Using GPU matching cubebut when I run it~nothing display.. i think it is the Shader Problem...Who can help me about it? All the structure a ready...I am looking for bugs or error in my code...I thing if i can successful run it ~ i will upload it here~ Thank you!

[osg-users] uniform array passing to Shader question

Hi, everyone I got a problem about passing uniform array to shader array. the problem is in my shader I have: Code: uniform vec3 vertDecals[8]; I have to pass uniform value from OSG to shader so how to create an uniform array in osg code and add 8 values that will be used in shader... I

Re: [osg-users] Sharing vertex and normal buffer with another library

Hi, Sorry, may I ask where is marchingGPU.h header file? Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=36992#36992 ___ osg-users mailing list

Re: Marching Cube Example？

What a nice idea you provide me~ I saw some examples in osgVolume But I dont know how to use/test these examples...could you give me a guide? Thanks a lot~ robertosfield wrote: Hi Nan, On Tue, Feb 15, 2011 at 5:04 PM, Nan WANG wrote: Is there a CPU or GPU based Marching cube

Re: Marching Cube Example？

Hi, OK, no problem, if i have have any success, i will share with you both. Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=36777#36777 ___ osg-users mailing list

Re: Marching Cube Example？

Hi, thanks everyone here to give me the ideas... I will try matching Cube GPU with OSG. Geomtery shader with OSG i think is the best solution. isn't it? ... Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=36730#36730

Marching Cube Example？

Hi, Is there a CPU or GPU based Marching cube algorithm example in OSG? osgvolume contains that? Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=36698#36698 ___ osg-users

Re: [osg-users] pUserData crash when run .exe in debug or release version

with the version of VS you are using. You could download the libs for vs2008 and use those and see if it builds/runs ok in debug mode? Let us know how it goes. Cheers Martin. -Original Message- From: [mailto:] On Behalf Of Nan WANG Sent: 09 February 2011 19:51 To: Subject

[osg-users] pUserData crash when run .exe in debug or release version

Hi, everyone: When I compile osg2cpp.cpp (from example folder) in VS2005 sp1, both debug and relase version are correct. No problem of running them. But when I tried with VS2008, both debug and release version stopped by an error: Expression: _CrtIsValidHeapPointer(pUserData) Looks like:

[osg-users] Keyboard move camera position

Hi, I've created my 3D scene, and now I want to move camera's position in this scene, using keyboard controlling, like using some key lik A, S, W, D to move the camera... Is there any simple example of using keyboard handler? ... Thank you! Cheers, Nan -- Read this topic

Re: [osg-users] Keyboard move camera position

hello As i am newbie in OSG. ...could you tell me how to use FirstPersonManipulator in my scene? I copied 'FirstPersonManipulator' from %SVN%\include\osgGA to my project folder, then add it in my project. then add '#include osgGA/FirstPersonManipulator' above main() functionthen

[osg-users] [QUESTION]Simple camera create and position?

Hi, I am really newbie in OSG. Here is one simple question I want to ask: How can I create a camera and set its position to (0,0,0) in the world and set it as the viewer default camera to render? Any example of using camera? ... Thank you! Cheers, Nan -- Read this topic

Re: [osg-users] [QUESTION]Simple camera create and position?

Hi, I could not fine source code on this topic. I tried these code, but nothing rendered, what is the problem? Code: osg::Node* tankNode = NULL; osg::Group* root = NULL; osgViewer::Viewer viewer; osg::Vec3 tankPosit; osg::PositionAttitudeTransform* tankXform;

Re: [osg-users] [QUESTION]Simple camera create and position?

Ok,thanks alot Robert. But could you tell me how to set current viewer's camera's position? Thanks again。 -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=36427#36427 ___ osg-users mailing list

Re: [osg-users] [QUESTION]Simple camera create and position?

Hi,robert I will look into these libraries. Thank you! Cheers, Nan -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=36429#36429 ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] Easy Question: What is difference between .osg file and .exe

Hi, I am newbie of OSG. Simple question: As I mentioned, osgviewer.exe can be used to display .osg file in different options... When I compile .cpp file from VS2005, it produces .exe file...which is can be executed directly. But, if i would like to create a 3D sence with interaction

Re: [osg-users] Question about camera autoComputeHomePosition

Do you know how to set a projection referential camera? off-axis camera? Thank you! Cheers, Dromouse -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=35622#35622 ___ osg-users mailing list

[osg-users] [QUESTION]How Projection Referential Cameras Work in OSG?

Hi, everyone: I am trying to setup a VR system using OSG. Current, I want to learn how projection referential cameras work in OSG. One of the key features of the visualization component is the ability to use off-axis cameras (a.k.a Asymmetric frustum) The main idea of the projection

Re: [osg-users] [ANN] New book published - OpenSceneGraph 3.0 Beginner's Guide

Hello dear OSG-community, Later i will buy it ~Thanks Rui Best regards, Dromouse -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=35620#35620 ___ osg-users mailing list