[osg-users] Buffer problem

Hi, I have a texture problem. I use memcpy() to copy a buffer from a camera to the texture. This work but the image is reverse. How can i change it? Thx you! -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=27271#27271

[osg-users] Scale image

Hello, I use a texture to show an 1000x1000 px image. OSG rescale the image. I know we can ask to the GPU to do it and that will upgrade my framerate, but how to do this? Thanks to you ! -- Read this topic online here:

Re: [osg-users] Buffer problem

Hi, OpenGL (for identity projection) has 0,0 at bottom left. Your cam prob has 0,0 at top left (first pos in the buffer). Easiest is to just swap to top/bottom texture coordinates when you apply the texture. jp On 26/04/10 08:32, Anthony Face wrote: Hi, I have a texture problem. I use

Re: [osg-users] Scale image

Hi, see Texture-setResizeNonPowerOfTwoHint set to false. jp On 26/04/10 08:34, Anthony Face wrote: Hello, I use a texture to show an 1000x1000 px image. OSG rescale the image. I know we can ask to the GPU to do it and that will upgrade my framerate, but how to do this? Thanks to you !

Re: [osg-users] [osgOcean] osgOcean linux bug disappeared with VBO

Sorry, what I mean is are you using the --vbo flag or not? Or does it work fine with both? Cheers. Kim. 2010/4/26 Roman Grigoriev grigor...@gosniias.ru I simply compile vbo branch from /branches/osgOcean-VBO and oceanexample works fine. -Original Message- From:

Re: [osg-users] [build] plz help!!! compiling OSG under cygwin ... plz help!!!!

Hello Sarah, I believe you must set the environment variables required by MSVC before CMake will be able to find it. On my machine, with VS 2008 Express it is this script: C:\Program Files\Microsoft Visual Studio 9.0\VC\vcvarsall.bat As you are trying to run the thing under Cygwin, you will need

Re: [osg-users] Applying Rotation To An Object?

Hi Eillot, You either need to write your own callback to update the PossitionAttitudeTransform's rotation directly yourself, composing the two rotation using the osg::Quat class, or use two seperate transforms arranged in a parent child relationship. Robert. On Mon, Apr 26, 2010 at 3:51 AM,

Re: [osg-users] deadlocks and fixes in osgTerrain

Hi Robert, i fixed the deadlock using a separate mutex on the updateList in Terrain. Another option would be using a ReadWriteMutex, so the read operations (traversal and get) don't block each other. I think there are also some not thread safe operations in the code, e.g. the

Re: [osg-users] Rendering to frame buffer bigger than screen

Hi, Thanks for the hint, it seems to fit my needs very well. ** Ignacio Garcia J.P. Delport escribió: Hi, search for osgposter on the submissions list/forum. jp On 22/04/10 18:06, Iñaki García wrote: Hi, I have developed an OSG-based application that renders a scene to a window. That

Re: [osg-users] Buffer problem

Thanks you JP. D. J.P. Delport wrote: to just swap to top/bottom texture coordinates when you apply the texture. This will work and will be easy. Tanks a lot... -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=27281#27281

Re: [osg-users] texture2Darray issue with different image format

Hi Ricky, I have just succesfully compiled osg trunk with this file. I am on windows and have not checked GLES compatibility though. Texture2DArray.cpp attached (the same as before) Wojtek - Original Message - From: Wojciech Lewandowski To: OpenSceneGraph Users Sent: Monday,

[osg-users] osg::GraphicsContext::createGraphicsContext returns null

Hello everybody, I am trying to get osg work with qt .. So, I basically almost copied QOSGWidget from the examples ... However, the function osg::GraphicsContext::createGraphicsContext returns null.. any ideas as to why this could be happening .. Regards, Sunil.

[osg-users] How to draw a lot of objects with draw instancing?

Hi, I looked through a lot of documentation on the OSG and did not find how to use correctly draw instancing in the OSG. I want to load the model tree in a format tree.3ds or tree.osg and draw more than 10,000 copies. Please tell my classes for what I need to pay attention to the OSG to use

Re: [osg-users] Debug Assertion Failed error

Hi Ulrich, I tried that and well so far so good. I ran the application and for quite long and didn't get that error. I'll crash test it again and hope that the problem's been solved. Assuming that this caused the bug to be fixed, can you tell me what is the reasoning behind it making it work?

[osg-users] Two Pass Rendering?

What's the preferred way to do this? I need to separate a shader into an H and V pass. I suppose I could double the scene in the graph, but since the first pass needs to be to a texture that wouldn't do it, would it. So I suppose I need another camera with an FBO using the same scene -

[osg-users] Hiding main OSG window

Hi, we're using OSG here to render offscreen and save the generated images. Currently, we render to a pbuffer, but we'd like to switch to FBOs. Is there a plattform-independent way to do this without opening a visible onscreen window? If there's a plattform-independent way to make the

Re: [osg-users] Two Pass Rendering?

Bruce Wheaton wrote: What's the preferred way to do this? I need to separate a shader into an H and V pass. I suppose I could double the scene in the graph, but since the first pass needs to be to a texture that wouldn't do it, would it. So I suppose I need another camera with an FBO using

Re: [osg-users] Help for control of Text Labels on HUD type display OFF/ON/BLINK and text

Hi, Tim Tim here again... Just letting you know what I came up with... Since I couldn't figure out how to talk to an individual drawable text node attached as one of many to a geode, and I couldn't add a switch to the geode and add a bunch of text objects to the switch, I went to what I

Re: [osg-users] Applying Rotation To An Object?

Thank you for your reply, Though i still cant get the code correct to make two rotations. I just cant get any of the code combinations that I've tried to perform two rotations. If anyone has any sample code which illustrates rotations it would be very much appreciated. --

Re: [osg-users] Applying Rotation To An Object?

Hi I don't have code to hand but this old creator tutorial I put together along time ago explains the concept of 2 PositionAttitudeTransform (DOF's) http://www.vis-sim.com/creator/creator_dof1_ex_04.pdf Gordon Tomlinson Product Manager 3d Technology Project Wyvern Overwatch(r) An Operating

Re: [osg-users] Model Loading

Chris 'Xenon' Hanson wrote: I'll second this -- we recently did some character modeling in Lightwave and exported to OSG via FBX. FBX is part of the AutoDesk empire now, so they are supporting it in Max, Maya and SoftImage fairly well and it is supported well by osgAnimation in the

Re: [osg-users] depth test and Deferred Shading

Cedric Pinson wrote: I am doing a deferred shading and i have a problem to use the depth buffer as i would like. Here the order of drawing: consider using a scene A 1 Draw only in the zbuffer 2 setup a camera with mtr and draw normal and color into two render target. Dont touch to the depth

Re: [osg-users] [build] plz help!!! compiling OSG under cygwin ... plz help!!!!

well!! i dont have any option other than cygwin cz i have been assigned a project and OSG is one of the modules to be compiled... i have compiled most of the modules... plz plz if somebody could guide me in an exact way to install it with cmake by use of cygwin ... i have little programming