Re: [osg-users] VIDEO with Alpha Channel

Hi, You just need load some two textures here is the code osg::Program* program = new osg::Program; geometry-getOrCreateStateSet()-setAttribute(program); char vertexShaderSource[] = varying vec2 texcoord;\n \n

[osg-users] [build] Is there anyone who had used osg on vxworks(Real-time OS)?

Hi, all I'm wondering if it's possible to use osg on vxworks(every version is OK). Please, let me know how to use it. Thank you! Cheers, Sang-hyeon -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33162#33162

[osg-users] [forum] Video capture with 3D augmented reality

I want to record a video and put 3D augmented reality on top of each frame of the AVI. Due to the fact that I don't want to skip frames, I store all AVI frames in memory during recording and after each video frame has been captured, I also store the view and projection matrices of the 3D view

Re: [osg-users] Viewer-frame() Qt - embedding osg scene into Qt app

Hi John, My guess is that the OSG is setting some OpenGL state that is being inherited into the Qt GL drawing code. Mixing OSG and other GL code is a little tricky as the OSG uses lazy state updating to provide efficient use of OpenGL/graphics card, this lazy state updating means that the OSG

Re: [osg-users] Viewer-frame() Qt - embedding osg scene into Qt app

Hi John, What you're trying to do is really nice, any chance you'll share the code ? It could make a cool OSG and QT example. Cheers, On Thu, Oct 28, 2010 at 10:16 AM, Robert Osfield robert.osfi...@gmail.comwrote: Hi John, My guess is that the OSG is setting some OpenGL state that is being

Re: [osg-users] [osgPlugins] FBX texture export problem.

Hi, I want to update this post to update any interested peoples on the situation. It seems that, in fact, the FBX file 2010.2 exported by cinema4d (R11, R11.5, R12) are not compliant with the autodesk fbx format for some reason. The QTFBXViewer is able to visualize the object geometry but not

Re: [osg-users] osg::DrawElements - i missed something?

Hi, I have no errors, just version using draw elements is not displayed. I'm using VC2008 Express under Vista64 on GF9800GT. Are there any limitations using draw elements i should know about? Thank you! Cheers, Robert -- Read this topic online here:

[osg-users] Terrain tiles disappears

Hi, I use osg and VRJugggler (for Virtual reality application) to display a terrain generated with VirtualPlanetBuilder. I load the terrain in VRJuggler using osg::DatabasePager. The load works well. I use head tracking in VRJuggler. But when I move the head or I move the terrain in my scene,

Re: [osg-users] Terrain tiles disappears

Hi, In fact, I obtain the same thing with osgViewer (cf. attachment). What is the problem? Thank you! Cheers, lucie -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33169#33169 Attachments: http://forum.openscenegraph.org//files/image_165.jpg

Re: [osg-users] [osgPlugins] FBX texture export problem.

Hi, Am 28.10.10 10:34, schrieb Dario Minieri: Someone else has a similar experience about fbx files from C4D? we ditched FBX for C4D export completely, because we had missing geometries / vertices, wrong animations, etc. And the culprit was cinema4d, because even the FBX-viewer for Quicktime

[osg-users] Video capture with 3D augmented reality

I want to record a video and put 3D augmented reality on top of each frame of the AVI. Due to the fact that I don't want to skip frames, I store all AVI frames in memory during recording and after each video frame has been captured, I also store the view and projection matrices of the 3D view

Re: [osg-users] [forum] Video capture with 3D augmented reality

Hi, Can this post be removed ? I posted this in the wrong forum group. I already moved it to the General Forum of the OpenSceneGraph list. Thank you! Cheers, benedikt -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33173#33173

Re: [osg-users] osg::DrawElements - i missed something?

Hi, I have found one interesting behaviour yet: osg::ref_ptr osg::UIntArray array = new osg::UIntArray(); array-push_back( 0 ); array-push_back( 1 ); array-push_back( 2 ); array-push_back( 3 ); p_geometry-addPrimitiveSet( new osg::DrawElementsUInt( osg::PrimitiveSet::TRIANGLES,

Re: [osg-users] Terrain tiles disappears

Hi, Are you rendering the front or back? The image looks if you are renderuing the terrain from below, so from the back side.. Thank you! Cheers, Torben -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33175#33175

Re: [osg-users] Terrain geometry

Hi, After deep analyze of osgTerrain code i found solution fine for me. In original code all geometry are generated and keeped in GeometryTechnique class , so one solution could be changes in geometry techniuqe object or creating own class deriving from terrain technique. I've made second

Re: [osg-users] Terrain tiles disappears

Hi, The problem is only when I am rendering the back (the underside of the terrain). Is it normal? Thank you! Cheers, lucie -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33177#33177 ___ osg-users

Re: [osg-users] Terrain tiles disappears

Hi Lucie, On Thu, Oct 28, 2010 at 1:15 PM, lucie lemonnier lucielemonn...@hotmail.fr wrote: The problem is only when I am rendering the back (the underside of the terrain). Is it normal? The VirtualPlanetBuilder assigned cluster culling callbacks on tiles when you have built an geocentric

Re: [osg-users] OSG ActiveX + IFC - looking for developer

Hi, does anybody know, what formats (like IFC) can include object properties, like length/area/volume, material properties (thickness, material name ...) I mean, we need some format (which can be opened in the OSG) and which is able to be exported from Autodesk (Revit, Autocad), Graphisoft

Re: [osg-users] OSG ActiveX + IFC - looking for developer

Zdravko wrote: Hi, Yes, ActiveX is here: http://openscenegraph.org/projects/osg/attachment/wiki/Community/WindowingToolkits/ Now, does someone have expirience with IFC? Cheers, Zdravko here is IFC SDK: http://forge.osor.eu/projects/ifc-sdk/ and here is IFC SDK start page:

Re: [osg-users] GL_POINTS primitiveset with only 1 point doesn't reach shaders

Thanks for your replies. I understand what's going on with osggeometryshaders with respects to the camera. I confirm turning culling off (I use osg::Node::setCullingActive(false) on my geode) makes it work. Thanks again. -- Read this topic online here:

Re: [osg-users] GL_POINTS primitiveset with only 1 point doesn't reach shaders

Hi Fred, On Thu, Oct 28, 2010 at 3:01 PM, Fred Smith osgfo...@tevs.eu wrote: Thanks for your replies. I understand what's going on with osggeometryshaders with respects to the camera. I confirm turning culling off (I use osg::Node::setCullingActive(false) on my geode) makes it work.

[osg-users] viewer1=viewer2. Is it possible?

Hi, I'd to initialize my scene one cpp-file and launch it in another. Is it possible Code: osgViewer::Viewer pipeviewer; pipeviewer=osgScene(); osgScene(): osgViewer::Viewer osgScene(){ osgViewer::Viewer viewer; ...viewer initialising procedures return viewer; } Thank you!

Re: [osg-users] GL_POINTS primitiveset with only 1 point doesn't reach shaders

robertosfield wrote: This does suggest that small feature culling may well be the cause. I'm surprised my suggested change didn't work for you, perhaps something went amiss with the application of the change. Others in the past have come up across this issue and solved it roughly the way

Re: [osg-users] Terrain tiles disappears

Hi, Thank you for your reply. I have change the CullSettings and it works well. Cheers, lucie -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33186#33186 ___ osg-users mailing list

Re: [osg-users] viewer1=viewer2. Is it possible?

Hi John, Is there a reason you can't dynamically allocate the viewer and return a ref_ptr to it, instead of returning by value? Cheers, Tom -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33188#33188

[osg-users] rendering the large point data

Hi, I am working with 3-D point data. When I want to render millions of points, either the rendering, zoom-in, zoom-out and panning goes very slow or the program crashes. Is there any method in OSG for rendering huge point data easily? Thank you! Cheers, Vipin -- Read this

Re: [osg-users] Video capture with 3D augmented reality

The weird thing is that it is not working with the frame buffer object render target (black image). Should I consider a pbuffer ? Thank you! Cheers, benedikt -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33190#33190

Re: [osg-users] rendering the large point data

On 10/28/2010 10:25 AM, Vipin Panwar wrote: I am working with 3-D point data. When I want to render millions of points, either the rendering, zoom-in, zoom-out and panning goes very slow or the program crashes. Is there any method in OSG for rendering huge point data easily? You don't

Re: [osg-users] viewer1=viewer2. Is it possible?

Thanks. No, there isn't any reason=) Is this code write? I get an error and a program closes. Code: osg::ref_ptrosgViewer::Viewer pipeviewer; pipeviewer=osgScene(); while (!pipeviewer-done()) { pipeviewer-frame(); } osgScene(): Code: osg::ref_ptrosgViewer::Viewer

Re: [osg-users] viewer1=viewer2. Is it possible?

I have an error on such simple code. How must be written viewer? Code: int main() { osg::ref_ptrosgViewer::Viewer viewer; viewer.get()-setCameraManipulator(new osgGA::TrackballManipulator()); while(!viewer.get()-done()) { viewer.get()-frame(); } return 0; }

Re: [osg-users] rendering the large point data

Hi, I am reading the points from LAS file and rendering the data. The data is not dynamically updated. I am pasting the subset fo code. So that you can find out how I am rendering the points. for(unsigned long k = 1; k no_points; k ++) { lasVertices-push_back(

Re: [osg-users] viewer1=viewer2. Is it possible?

You have to use 'new' somewhere, like: osg::ref_ptrosgViewer::Viewer viewer = new osgViewer::Viewer(); Cheers, Tom -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33195#33195 ___ osg-users mailing

Re: [osg-users] rendering the large point data

Hi, I am reading the points from LAS file and rendering the data. The data is not dynamically updated. I am pasting the subset fo code. So that you can find out how I am rendering the points... for(unsigned long k = 1; k no_points; k ++) {

Re: [osg-users] viewer1=viewer2. Is it possible?

thanks a lot [Exclamation] [Exclamation] [Exclamation] -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33197#33197 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] rendering the large point data

On 10/28/2010 10:57 AM, Javier Taibo wrote: I suggest you to use just one primitive for all the point cloud, not a primitive for each point. And depending on how many points you have, it may be necessary to break the full set up into blocks so that some can be culled and not drawn if you

Re: [osg-users] rendering the large point data

Hi Javier, thanx for reply... initially, I was also making one primitive for whole data, but it was not rendering the huge data. It was working fine only for thousands of points. Thank you! Cheers, Vipin -- Read this topic online here:

Re: [osg-users] rendering the large point data

Hi Vipin, You can take a look to the .3dc plugin sources. Here the geometry is batched into chunks of 10.000 points, which is a well-working size for batching geometry as Chris said. If you spatialize your data correctly may be you don't have to use LOD techniques, it depends of the amount of

Re: [osg-users] rendering the large point data

Hi, Xenon and Jordi, thanx for replying. I am also going for spatial blocking using quad trees and display the block and its neighbors when zoom in the data. But I want to know whether there is more convenient method in OSG for these type of problems. Thank you! Cheers, Vipin

Re: [osg-users] rendering the large point data

On 10/28/2010 11:35 AM, Vipin Panwar wrote: Hi, Xenon and Jordi, thanx for replying. I am also going for spatial blocking using quad trees and display the block and its neighbors when zoom in the data. But I want to know whether there is more convenient method in OSG for these type of

[osg-users] OpenThreads setProcessorAffinity / Multithreaded vertex array modification

Hi, we are currently working on a routine that deforms large vertex arrays on the fly. To speed this up we implemented multithreading using OpenThreads. Simple example: We have a point cloud of e.g. 10 million points. The calculation is done on e.g. 4 processors. The first thread is assigned

Re: [osg-users] glGetTexImage failed on Windows

Hi, I inherited some code to read back texture data. This works fine on Linux platform but seg fault on Windows. Following is the list of the code segments, .. // create and configure the texture that we're going // to use as target for render-to-texture (depth) m_texture = new

[osg-users] Disable the Mouse default event in osg

Hi, ... I am new in OpenSceneGraph. I want to disable the mouse event and use these event (Rotate, Zoom, Pan ) in separate buttons. Thank you! Cheers, Lalit Manchwari -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=33198#33198

Re: [osg-users] Disable the Mouse default event in osg

Hi, On 29/10/10 3:50 , Lalit Manchwari wrote: ... I am new in OpenSceneGraph. I want to disable the mouse event and use these event (Rotate, Zoom, Pan ) in separate buttons. What do you mean 'disable the mouse event'? If you don't attach a manipulator then no events will be processed. You

Re: [osg-users] OpenThreads setProcessorAffinity / Multithreaded vertex array modification

Hi Johannes, On 29/10/10 5:31 , Johannes Scholz wrote: When testing this on 64bit Linux we noticed that setProcessorAffinity returns -1. Performance does not scale at all. All operations seem to be executed on one CPU. I already learned that using pthreads on linux setProcessorAffinity

Re: [osg-users] Create Cylinder Around Line

Hi Ulrich, I wanted to know if the following is a worthwhile option: I have the data as a shapefile (.shp) and need to create the 3D model from that. I realize that osg can load shp files so is it a good option to modify the plugin dll that loads shp files ? So that when it comes across a

Re: [osg-users] Create Cylinder Around Line

Hi Sanat, On 29/10/10 8:28 , Sanat Talmaki wrote: I have the data as a shapefile (.shp) and need to create the 3D model from that. I realize that osg can load shp files so is it a good option to modify the plugin dll that loads shp files ? So that when it comes across a polyline feature,

Re: [osg-users] glGetTexImage failed on Windows

Hi, forget about my posting. i just find out the problem is with the allocation of the buffer. i accidentally cleared the buffer (which resize the buffer to size 0). just ignore my posting. ... Thank you! Cheers, weiliang -- Read this topic online here:

[osg-users] [osgPlugins] osg quicktime plugin error

Hi, ... I compiled osg with quicktime plugin. Now now this error message comes Error while initializing the quicktime - -2095 error comes and the video is not played. Why id that? How can i get away from that Thank you! Cheers, Aruna -- Read this topic online here: