Re: [osg-users] OpenThreads::Condition and spurious wakeups

Hi, Cory Riddell wrote: I'm using boost::threads, but not any of the timed wait stuff. I run my viewer in its own thread. It is my understanding that for a timed wait, you do need to manually track how much time has actually elapsed Only if the time specified is a relative time. Pthreads

Re: [osg-users] Accessing Texture Indices

Hi Omar, On 27/5/09 12:33 AM, Omar Alvi wrote: I am new to osg. I have loaded an obj file using osgDB but I don't know how to access vertex and texture indices. I can get the vertex array from the geometry using pGeo.get()-getVertexArray() method but pGeo.get()-getVertexIndices() returns null.

Re: [osg-users] Accessing Texture Indices

omaralvi wrote: Hello guys, I am new to osg. I have loaded an obj file using osgDB but I don't know how to access vertex and texture indices. I can get the vertex array from the geometry using pGeo.get()-getVertexArray()  method but pGeo.get()-getVertexIndices() returns null.  I cant

Re: [osg-users] Test post, very strange

On Wed, May 27, 2009 at 5:22 AM, Chris 'Xenon' Hanson xe...@alphapixel.com wrote:  I'm posting to see if this message shows up.  Oddly, a message I've tried to send to the list three times over the past few weeks, refuses to appear here. But my other replies seem to show up.  Is there any

Re: [osg-users] 2.10 schedule?

Hi Martin, On Tue, May 26, 2009 at 5:55 PM, Martin Beckett m...@mgbeckett.com wrote: Is there are a bigger picture roadmap for OSG? There isn't a formal roadmap. It goes where it goes to fulfill the needs of those who contribute to it. The direction it's heading and the kind of apps it is

[osg-users] PluginStrData....

Hi Robert, I hope you're over your cold/flu now? I'm looking at the PluginStrData work , and wondered whether you think the setPluginStrData and getPluginStrData should be made case insensitive? I was thinking to force the 'set' parameters through the osgDB::convertToLowerCase function. It

[osg-users] missed state set for a scene node

Hi All. I've forgotten to set a state set to a node (and it shouldn't be necessary, since it is just a switch, with any children that define its own state set; and in fact the state set for that switch should be a simple set that just sets a rendering bin to the default for opaque, 0), but I got

Re: [osg-users] Test post, very strange

Robert Osfield wrote: On Wed, May 27, 2009 at 5:22 AM, Chris 'Xenon' Hanson xe...@alphapixel.com wrote: I'm posting to see if this message shows up. Oddly, a message I've tried to send to the list three times over the past few weeks, refuses to appear here. But my other replies seem

Re: [osg-users] PluginStrData....

Hi Neil, On Wed, May 27, 2009 at 9:40 AM, neil.hug...@tesco.net wrote: I hope you're over your cold/flu now? On the mend thanks, still not 100%, but able to work just fine. I'm looking at the PluginStrData work , and wondered whether you think the setPluginStrData and getPluginStrData

Re: [osg-users] missed state set for a scene node

Hi Gianluca, On Wed, May 27, 2009 at 9:42 AM, Gianluca Natale gianluca.nat...@adstorino.it wrote: Does a node need a state set, always? No, in fact you can have scene graphs where no nodes or drawables have StateSet assigned to them, it's still a perfectly valid scene graph. Such a naked scene

Re: [osg-users] Single-sided ClipPlane?

Wish someone could of told me, you cant put clipplanes within clip planes, you cant make holes! Is it possible to have more than one clipNode in a scene? if i try 2 clipnodes everything gets clipped to the second node. Any ideas? If I cant use more than one clipNode in a scene im thinking

Re: [osg-users] missed state set for a scene node

Thanks, I should have messed up some state set elsewhere. Gianluca -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Robert Osfield Sent: mercoledì 27 maggio 2009 10.49 To: OpenSceneGraph Users Subject:

Re: [osg-users] missed state set for a scene node

Hi Gianluca, On 27/5/09 10:42 AM, Gianluca Natale wrote: state set for that switch should be a simple set that just sets a rendering bin to the default for opaque, 0), but I got strange visualization. That is such a nondescriptive problem description it's not funny. You'll need to be more

[osg-users] vertex shader help: compare position

Hi, Im trying to use a shader to make parts of models transparant(clipped) i was using a clipnode but learned you cant use more than one in a scene? or am i wrong? anyway, i wish to clip along a plane. currently this plane is defined as 3 points: Code: varying vec3 pos0; varying vec3 pos1;

Re: [osg-users] vertex shader help: compare position

Hi Paul, I guess the problem is related to the varying. AFAIR it is interpolated over the primitive. So maybe this is the problem. The other odd thing is that you do if (inside) discard; instead of if (inside == 1.0) discard; cheers Sebastian Hi, Im trying to use a shader to make

Re: [osg-users] vertex shader help: compare position against plane

I know the code: vec3 worldPos = gl_ModelViewMatrix * gl_Vertex; is worng, if i rotate the view so does this position. i need the world position and not the modelview position. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=13023#13023

[osg-users] Visual Studio 2008 (vc90sp1) binaries

Hi Robert, I have uploaded msvc90sp1 binaries built from the 2.8.1 tag to the ftp area. I verified the archives here and will download and verify again once you have moved them into their appropriate locations. On another issue - I still haven't found the time to make the deb package generator

[osg-users] Using a slave camera to take screenshots in a different resolution than the main camera.

Hi all, I'm trying to use a slave camera to take screenshots in a different resolution than the main camera. I have tried setting the slave cameras renderingimplementation to Frame_buffer_object and pixel_buffer_rtt and have made a graphics context with the desired resolution, but I'm always

[osg-users] earth_bayarea sample dataset

Hi guys, should the earth_bayarea sample dataset at http://www.openscenegraph.org/data/earth_bayarea/earth.ive still work? It's supposed to have a hi-res inset but I'm only getting the top-most LOD and nothing after that. Cheers, /ulrich ___

Re: [osg-users] [osgPlugins] OpenFlight plugin and static linking

I have submitted the patch. I guess one could add a macro in one of the OpenFlight headers to group all the USE_FLTRECORD macros, something like: #define REGISTER_FLT_RECORDS USE_FLTRECORD(Comment, COMMENT_OP); \ USE_FLTRECORD(LongID, LONG_ID_OP); \ USE_FLTRECORD(Matrix, MATRIX_OP); \ ..

Re: [osg-users] earth_bayarea sample dataset

Hi Ulrich, On Wed, May 27, 2009 at 1:20 PM, Ulrich Hertlein u.hertl...@sandbox.de wrote: should the earth_bayarea sample dataset at http://www.openscenegraph.org/data/earth_bayarea/earth.ive still work?  It's supposed to have a hi-res inset but I'm only getting the top-most LOD and nothing

Re: [osg-users] vertex shader help: compare position against plane

ok, i got the world position with: Code: mat4 ToWorldMatrix= osg_ViewMatrixInverse* gl_ModelViewMatrix; vec3 worldPos = ToWorldMatrix * gl_Vertex; now i need to check which side of the plane the worldPos is. I googled and found some code for this but its not for glsl, ive came up with this

Re: [osg-users] Using a slave camera to take screenshots in a different resolution than the main camera.

I just tried changing the main camere to a slave camera (as supposedly a main+slave cam combination is bad somehow). This changed the behaviour such that the screenshot slave camere can now take screenshots in any resolution for the first screenshot, but subsequent screenshots have the same

Re: [osg-users] BoundingSphere and IntersectionTest

Simon Hammett schrieb: 2009/5/21 Matthias Gabriel g3e...@hotmail.de: Hi, today i wanted to build my own LineSegmentIntersector - well some kind of... while doing this, i looked into the sourcecode of the LineSegmentIntersector. There I saw, that the tests in

Re: [osg-users] Using a slave camera to take screenshots in a different resolution than the main camera.

Another update: Well, I kind of found a solution, but it's really ugly. If I remove the slave camera from the viewer, then set the new graphics context, and then add the slave cam to the viewer again, it works with a new resolution for each screenshot. This seems very un-elegant though, and I'm

[osg-users] svn proplist svn:eol-style missing

There are many text files in svn that don't have svn:eol-style set to native. When it is set the line endings are corrected for the platform the file is checked out on, newline for Unix, carriage return newline for Dos. When it isn't set the files are Unix style. For example

Re: [osg-users] [vpb] LOD problem

Hi, Thanks for the reply. What do I need to add to support DatabasePager? I'm quite new to osg. Is there a workaround? Can I create a node visitor that fixes this problem or something similar? Using the --LOD option works for small models but generates huge files or crashing osgdem. I looked

Re: [osg-users] vertex shader help: compare position against plane

I presume this line: n = (pos1 -pos0) ^ (pos2 - pos1); is a cross product of two vectors. i.e. the normal, also known as the vector perpendicular to the two vectors that define the plane. In which case you would want to use the glsl function cross(vec3,vec3) as on the reference sheet I sent

[osg-users] Attack the PrimitiveSet

Hi, I'm currently attacking the primitives of my scene and I would like to remove some of them from my one of my PrimitiveSets. A very ugly and heavy solution would be to copy the existing one but the indices I want to remove . As I say, it's very ugly and as I want to remove a lot of

Re: [osg-users] Attack the PrimitiveSet

Hi, Maxime BOUCHER wrote: I'm currently attacking the primitives of my scene and I would like to remove some of them from my one of my PrimitiveSets. [...] Isn't there a way to do a classical remove method like the one from the std::vector (for example) ? What kind of PrimitiveSet do

Re: [osg-users] Attack the PrimitiveSet

Hi, What exactly do you mean attacking, are you trying to remove primitive from primitive sets. Indices are deprecated and they are not encouraged to be used anymore. The dirty way is the classical way. Thank you! Cheers, Rabbi -- Read this topic online here:

Re: [osg-users] transparency problem

Hi Su Hu, You need to place transparent objects in the depth sorted bin, normally loaders will do this for you. There is a chance that these objects are already in the transparent bin but you have some very large transparent objects in the scene as well that are causing the depth sorting to

Re: [osg-users] Attack the PrimitiveSet

Thanks for replying! Paul Melis wrote: What kind of PrimitiveSet do you want to erase elements from? E.g. all DrawElementsXXX classes derive from std::vector, so you should be able to use the methods from vector on those. OK, it's interesting. I mainly work on DrawArrayLength. What can

Re: [osg-users] transparency problem

Hi Robert, sorry to chip in... I've been wondering about this also recently. Robert Osfield wrote: Hi Su Hu, You need to place transparent objects in the depth sorted bin, normally loaders will do this for you. There is a chance that these objects are already in the transparent bin but you

Re: [osg-users] transparency problem

Hi Robert, Thanks for your reply. Our 3D modeler tell me that the same model is shown right in vega view. We will break large objects up into small parts and try it again. Thanks a lot. Regards, Su Hu 2009/5/27 Robert Osfield robert.osfi...@gmail.com Hi Su Hu, You need to place

Re: [osg-users] transparency problem

This is a old problem of all scenegraphs try a searching on halos for performer and Vega try here http://www.multigen-paradigm.com/cgi-bin/Ultimate2.cgi I know I have discussed this many time there ( you don't have to be member to search there) Gordon Product Manager 3d

Re: [osg-users] earth_bayarea sample dataset

Hi Robert, On 27/5/09 2:38 PM, Robert Osfield wrote: Running: osgviewer http://www.openscenegraph.org/data/earth_bayarea/earth.ive Works fine for me. I've just removed my local file cache to force it The reason why it didn't work for me was that I had a file 'earth.ive' in my OSG_FILE_PATH

Re: [osg-users] Attack the PrimitiveSet

Maxime BOUCHER wrote: Thanks for replying! Paul Melis wrote: What kind of PrimitiveSet do you want to erase elements from? E.g. all DrawElementsXXX classes derive from std::vector, so you should be able to use the methods from vector on those. OK, it's interesting. I mainly work

Re: [osg-users] vertex shader help: compare position against plane

Hi Paul; Watch the video. It can tell you much of dot and cross product :) http://video.google.com/videosearch?q=cross+productoe=utf-8rls=org.mozilla:en-US:officialclient=firefox-aum=1ie=UTF-8ei=LE4dSreZCpLt_AbS4OGxDQsa=Xoi=video_result_groupresnum=4ct=title# Regards. 2009/5/27 Paul Griffiths

Re: [osg-users] Attack the PrimitiveSet

Paul Melis wrote: class OSG_EXPORT DrawArrayLengths : public PrimitiveSet, public VectorGLsizei { public: [...] where VectorGLsizei is (basically) std::vectorGLsizei. So you can just do osg::DrawArrayLengths *arr = new osg::DrawArrayLengths(); arr-push_back(5);

Re: [osg-users] transparency problem

Hi J.P, On Wed, May 27, 2009 at 3:01 PM, J.P. Delport jpdelp...@csir.co.za wrote: What specifically is a part? Geode, Geometry, PrimitiveSet, Triangle? The transparent bin is sorted by the distance away from the eye of center of the drawables. To get finner grained sorted you have to break the

[osg-users] Image pointer in the Intersected node is NULL

Hi, I have a scene graph and I'm trying to intersect with it using a LineSegmentIntersector. In the intersection result I get a List of nodes, the last node being the Geode containing the drawable that I intersected with. When I try to retrive the image pointer which should contain the texture

[osg-users] Mouse click line

Hi, I'm trying get the line that intersects the fulcrum of the viewing volume and the point I clicked with my mouse on the viewing surface. So I set my projection matrix with: _sceneView-setProjectionMatrixAsPerspective(_viewAngle, (float) width/height, 1, 1); I get the overall matrix

Re: [osg-users] Image pointer in the Intersected node is NULL

Hi Christina, It sounds like your textures have the UnrefRefImageOnApply feature set to true. If you want to retain the images after the first frame is rendered you'll need to not enable this. This feature is off by default but If you are running the osgUtil::Optimizer one of it's default

Re: [osg-users] vertex shader help: compare position against plane

umituzun84 wrote: Hi Paul; Watch the video. It can tell you much of dot and cross product :) http://video.google.com/videosearch?q=cross+productoe=utf-8rls=org.mozilla:en-US:officialclient=firefox-aum=1ie=UTF-8ei=LE4dSreZCpLt_AbS4OGxDQsa=Xoi=video_result_groupresnum=4ct=title#

Re: [osg-users] Image pointer in the Intersected node is NULL

Hi, You were right. The optimize enables UnrefRefImageOnApply feature, so my image pointer is NULL. I disable the texture optimization, so now it works. Thank you! Cheers, Cristina -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=13059#13059

Re: [osg-users] Dragger snap to grid / raster

If you're rendering in 3d, 20 pixels doesn't have a lot of meaning. In general what you'd need to do is transform 20 pixels into your world's coordinates. Transform 20 pixels into normalized screen coordinates, something like: gridUnit = 20/screenWidth/2; Then transform gridUnit into world

Re: [osg-users] Foring Trilinear Mipmaping

Yep That worked. Thanks you guys. Guy -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=13061#13061 ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] transparency problem

Also make sure you multi-sampling turned on, this show up much more when multi-sampling is off Gordon Product Manager 3d __ Gordon Tomlinson Email : gtomlinson @ overwatch.textron.com

[osg-users] OSG users in Colorado

We have a few long-time OSG users here in the Colorado front-range area, and in the past I've hosted informal OSG get-togethers. Is there anyone here interested in attending one in the next month or so? I highly recommend get-togethers like this if you have a few users in your area. it's a

Re: [osg-users] Mouse click line

Mark Walker wrote: Hi, I'm trying get the line that intersects the fulcrum of the viewing volume and the point I clicked with my mouse on the viewing surface. :s/fulcrum/frustum/ http://en.wikipedia.org/wiki/Frustum -- Chris 'Xenon' Hanson, omo sanza lettere Xenon

Re: [osg-users] Test post, very strange

Chris 'Xenon' Hanson wrote: As a test, I'm going to post the content of the mystery message as a followup to this very message and see if it goes through. Here's the mysterious content that won't post: Subject: Working GLSL implementation of Tatarchuk's Parallax Occlusion Mapping

[osg-users] add/remove camera crash

Hi, I integrated an overlays system into my code that essentially supports multiple overlays, each having multiple hud items. Each overlay uses an osg::Camera at its root. All this works very well, with the exception of the following issue: when I remove the overlay (i.e the root camera) from

Re: [osg-users] add/remove camera crash

Hi, Here is the call stack for the crash and the code: [img]CallStack.bmp[/img] Code: void RenderStage::draw(osg::RenderInfo renderInfo,RenderLeaf* previous) { if (_stageDrawnThisFrame) return; // push the stages camera so that drawing code can query it if (_camera)

[osg-users] Drawing a line once( bullet physics integration )

Hi all, I'm trying to integrate bullet with osg; the problem comes with bullet's debug drawing. Bullet has an abstract class, with drawing functions to be implemented by the user. The main requirement is simply to render a line; however I need to draw a single frame, not add a model to a scene