Re: [osg-users] Importing native CAD files and preserving coordinate frames

2010-12-29 Thread Paul Martz
osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users

Re: [osg-users] osg question

2010-12-24 Thread Paul Martz
The file does exist in /usr/local/lib64. I am using the latest version from svn. I have had this before and fixed it, now I can't remember how I used to fix it. Thanks for any help. Check to make sure you have /usr/local/lib64 in your LD_LIBRARY_PATH...? -Paul

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

2010-12-23 Thread Paul Martz
___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg

Re: [osg-users] nVidia 64-bit quadro drivers and large number of primitives (2.8.3)

2010-12-23 Thread Paul Martz
On 12/23/2010 12:57 PM, Andrew Cunningham wrote: Once the osg scene graph is created, and the render phase begins. I see the border of my screen flash black twice and then my application is in la-la land, with a blank 3D window and needs to be killed. The app is using about 2G of memory but I

Re: [osg-users] osg question

2010-12-23 Thread Paul Martz
On 12/23/2010 1:44 PM, Michael W. Hall wrote: I get the following error when I run osgversion to see if it is working: osgversion: error while loading shared libraries: libosg.so.69: cannot open shared object file: No such file or directory The file does exist in /usr/local/lib64. I am using

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

2010-12-22 Thread Paul Martz
to the completion of this book in different ways. Finally, we owe the most sincere thanks to Paul Martz, who dedicates the first non-commercial book to OSG beginners all over the world and provides great help in supporting the publication of our past and current books. I will dedicate this book to his

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

2010-12-22 Thread Paul Martz
Is the book available electronically? Kindle, safari, PDF, etc? (Due to my eyesight, I am no longer able to read print material of any kind.) Thanks, -Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Problem with Transparency when using osg::Cameras

2010-12-20 Thread Paul Martz
I'm not sure why you think you should use a Camera as you describe, it seems like a misuse of the Camera class, which is intended for a complete frame rendering, and not for combining with data from other Cameras, which is what you have here (osgViewer / SceneView uses a Camera implicitly,

[osg-users] FLT test suite updated

2010-12-20 Thread Paul Martz
any issues with these changes. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] [osgPlugins] OpenFlight Export - MultiTexturing - wrong Texture Coordinates

2010-12-20 Thread Paul Martz
On 12/17/2010 9:13 AM, Katharina Plugge wrote: Hi, MultiTexturing has still its problems. Now I tried the first time to use up to 3 textures. Converting to flt again lead to corrupted texture coords. I attached an osg-file which can be used to reproduce the problem. Converting this file to

Re: [osg-users] [osgPlugins] OpenFlight Export - MultiTexturing - wrong Texture Coordinates

2010-12-20 Thread Paul Martz
Hi Robert Jose -- Apparently, I still don't have write permission for the OpenFlight plugin. Please commit this change to resolve Katharina's problem. Thanks. -Paul On 12/20/2010 1:56 PM, Paul Martz wrote: On 12/17/2010 9:13 AM, Katharina Plugge wrote: Hi, MultiTexturing has still its

Re: [osg-users] Cutting geometry out of a scene

2010-12-19 Thread Paul Martz
On 12/19/2010 12:01 PM, Kevin Bentley wrote: Hi, I'm writing an app that essentially needs to 'cut' some geometry and its textures from a scene, to create a new model. Currently I'm using a PolytopeIntersector to find the faces I'm interested in. The next step is that I need to clip those

Re: [osg-users] [osgPlugins] OpenFlight Export - MultiTexturing - wrong Texture Coordinates

2010-12-17 Thread Paul Martz
from channel one are mixed up with those from channel 2 and vice versa. Would be great, if someone could help here. OK, I will try to take a look. I might have some time to dig in over the next couple weeks. Thanks for posting the test file. -- -Paul Martz Skew Matrix Software

Re: [osg-users] Error Compiling OSG GL3 on Win7/VS 2008

2010-12-15 Thread Paul Martz
definitions, then filling in the necessary function pointers. As a result, there were no undefined symbols. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users

Re: [osg-users] Error Compiling OSG GL3 on Win7/VS 2008

2010-12-13 Thread Paul Martz
On 12/13/2010 3:12 PM, Torben Dannhauer wrote: #ifdef NOMINMAX #define NOMINMAX I assume you mean #ifndef above? -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] Draw primitive using OSG

2010-12-12 Thread Paul Martz
-- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] TexGen for screen coordinates.

2010-12-10 Thread Paul Martz
is your only path to a solution, though I couldn't type it here off the top of my head. It would take some dev time to get it right. What you want to do would be trivial with a shader. Is there a reason why you've ruled out use of shaders for this problem? -- -Paul Martz Skew Matrix Software

Re: [osg-users] How to set camera focal length

2010-12-09 Thread Paul Martz
On 12/9/2010 9:35 AM, Igor Galochkin wrote: Thanks for help! I am setting the focal lense x and y with the following calls now and it seems to work fine: double fovy = 2 * atan(this-_height / 2.0 / dFocalLengthY); double aspectRatio = this-_nWidth / this-_nHeight * dFocalLengthY /

[osg-users] OSG state tracking visitor?

2010-12-08 Thread Paul Martz
Hi all -- Does anyone know of a state tracking NodeVisitor, either in core OSG or in an external project? I'd expect it to merge StateSets onto the top of stack as it visits nodes, allowing an application to access a snapshot of current state by querying the top-of-stack. (osg::State doesn't

Re: [osg-users] Please test svn/trunk in prep for 2.9.10 dev release

2010-12-01 Thread Paul Martz
Hi Robert -- I built on Windows and ran the FLT regression test suite as a test. The results are expected, just the known failures. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list

Re: [osg-users] Beginners Questions , about OSG from long time developer

2010-11-24 Thread Paul Martz
be met by modifying some existing tool? I'll second that sentiment. Seems odd that someone with no experience in 3d programming would even be tasked with developing modeling software, but I do understand that demand for 3D developers currently outstrips supply. -- -Paul Martz Skew Matrix

Re: [osg-users] Removing old release candidates

2010-11-22 Thread Paul Martz
On 11/20/2010 7:48 AM, Paul Martz wrote: Hi Robert -- While browsing the repo recently, I noticed a lot of old RCs for the 2.8 series. If you see no need to keep those, I'd be glad to delete them. There being no objections, I'll go ahead and clear out the old RCs, both for the 2.8.x and 2.6.x

Re: [osg-users] Removing old release candidates

2010-11-22 Thread Paul Martz
. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

[osg-users] Removing old release candidates

2010-11-20 Thread Paul Martz
Hi Robert -- While browsing the repo recently, I noticed a lot of old RCs for the 2.8 series. If you see no need to keep those, I'd be glad to delete them. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] [osgPlugins] OpenFlight Export - MultiTexturing - wrong Texture Coordinates

2010-11-19 Thread Paul Martz
/osg-users-openscenegraph.org -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users

Re: [osg-users] [osgPlugins] OpenFlight Export - MultiTexturing - wrong Texture Coordinates

2010-11-19 Thread Paul Martz
with more than one quad, so I will modify the existing testMultiTex.osg test to render multiple quads, which should reproduce the issue. -Paul On 11/19/2010 10:24 AM, Paul Martz wrote: Thanks -- Just taking a look at your test file now. It references two image files, which you did not attach

Re: [osg-users] New geometry object definition

2010-11-16 Thread Paul Martz
callback, or by overriding traverse(). Would somebody mind giving me a hint or two about the way to go? Why not just use an empty Geometry, with appropriate shaders attached? -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] Viewing angle 180 degrees

2010-11-15 Thread Paul Martz
this up would be appreciated. It appears you've answered your own question here, as all you need to do is set slave camera view matrix offsets (rotations, actually). -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] LightSource?

2010-11-14 Thread Paul Martz
be a group? What is the reason about this? It's useful when you have geometry that has the same transformation as your light position. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list

Re: [osg-users] how to transform bounding sphere

2010-11-04 Thread Paul Martz
on the code in Trancform.cpp: namespace osgwTools { osg::BoundingSphere transform( const osg::Matrix m, const osg::BoundingSphere sphere ) } The osgWorks header for this is: #include osgwTools/Transform.h -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] OSG, bullet physics, collada and sketchup models on Ubuntu

2010-11-03 Thread Paul Martz
the osgBullet tools to create the collision shapes and rigid bodies under programmatic control. osgBullet contains example programs that show many different ways for how to do this. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] [osgPlugins] OpenFlight Export - MultiTexturing - wrong Texture Coordinates

2010-10-29 Thread Paul Martz
On 10/29/2010 8:56 AM, Roland Smeenk wrote: Hi Katharina, thanks for chasing and fixing this problem. Can you attach the complete modified file to a new thread on the submissions forum. This way it will end up on the todo list for inclusion in osg. Hi Katharina -- Also, you mentioned you

Re: [osg-users] OSG seems to have a problem scaling to multiple windows on multiple graphics cards

2010-10-21 Thread Paul Martz
the results for serialize on or off are actually quite different. Am I understanding things correctly? -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users

Re: [osg-users] OSG seems to have a problem scaling to multiple windows on multiple graphics cards

2010-10-20 Thread Paul Martz
a combined cull and draw that just barely fits in 16ms and therefore runs at 60hz, how does that software perform in the multi-window case? For John, that case drops to 30fps or 15fps, because the combined cull-draw for each window quadruples. -- -Paul Martz Skew Matrix Software

Re: [osg-users] render a node last

2010-10-08 Thread Paul Martz
-openscenegraph.org -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] OSG seems to have a problem scaling to multiple windows on multiple graphics cards

2010-10-08 Thread Paul Martz
the maximum frame rate. 3 - one graphics context per window and one camera per window ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- -Paul Martz Skew Matrix

Re: [osg-users] render a node last

2010-10-07 Thread Paul Martz
You can use a Camera post draw callback (setPostDrawCallback) or you can use render bins (setRenderBinDetails). Search the newsgroup or OSG source for more info. You might also need to deal with the depth buffer. -Paul On 10/7/2010 10:22 AM, lucie lemonnier wrote: Hi, How to render a

Re: [osg-users] update and cull frame-spanning issue

2010-10-05 Thread Paul Martz
to obtain the matrix. Thus each individual cull thread obtains its own matrix without ever modifying the scene graph. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users

Re: [osg-users] Keep fixed nodes

2010-10-03 Thread Paul Martz
in the camera field just after the transformations)? Yes. It's possible for you to set up the transformation matrix any way you want. It's also possible for you to disable the depth test, or clear the depth buffer between Cameras. -- -Paul Martz Skew Matrix Software http

Re: [osg-users] Conceptual questions about Cameras in general, and Slave Cameras

2010-10-03 Thread Paul Martz
motion. Not sure about your last question; perhaps the info above will answer it for you, or give you enough info to ask it more clearly. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing

Re: [osg-users] adding a grid to another plane

2010-09-29 Thread Paul Martz
). -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] adding a grid to another plane

2010-09-29 Thread Paul Martz
On 9/29/2010 8:37 AM, Paul Martz wrote: i want to draw grid for that i am using osg::HeightField but it is drawing only in xy Plane. is it possible to draw in another plane?.. osgWorks has a makeWirePlane() convenience function for this (See osgworks.googlecode.com). Addendum

Re: [osg-users] Please help, linking errors with OpenSceneGraph

2010-09-25 Thread Paul Martz
I'll ask the obvious question: Are you linking against the OSG libraries? osgUtil.lib, osgDB.lib, osg.lib, etc.? Have you read the OSG Quick Start Guide section about how to set up projects that use OSG? -Paul On 9/25/2010 10:20 AM, Renesis Skidac wrote: Hi, I'm using Win 7 32bit and

Re: [osg-users] osgBullet: Stereo mode / TriMesh Collision Shapes

2010-09-25 Thread Paul Martz
for more info. Sorry for filibustering on this; thanks for bringing the issue to my attention, and also the suggested fix. -Paul On 9/24/2010 11:23 AM, Paul Martz wrote: (Posting to osgworks-users, as it is where the discussion actually belongs.) On 9/24/2010 11:03 AM, Johannes Scholz

Re: [osg-users] osgBullet: Stereo mode / TriMesh Collision Shapes

2010-09-24 Thread Paul Martz
is deprecated, and there are workarounds available for anaglyphic stereo, it doesn't appear to me that any change is in order for osgWorks / osgBullet. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users

Re: [osg-users] OpenFlight: Reading the Extension Record

2010-09-22 Thread Paul Martz
Check the source code. If I recall correctly, the loader reads in comment records and stores them as UserData in the scene graph, but I'm not sure about extension records. The only way to know for certain is to check the source. -Paul Brad Colbert wrote: Hello all, We would like to store

Re: [osg-users] OpenFlight: Reading the Extension Record

2010-09-22 Thread Paul Martz
...@lists.openscenegraph.org] On Behalf Of Paul Martz Sent: Wednesday, September 22, 2010 10:35 AM To: OpenSceneGraph Users Subject: Re: [osg-users] OpenFlight: Reading the Extension Record Check the source code. If I recall correctly, the loader reads in comment records and stores them as UserData in the scene

Re: [osg-users] osgBullet: Stereo mode / TriMesh Collision Shapes

2010-09-13 Thread Paul Martz
for your node with physics object. True, view = modelView * inverseModel. I'll take a look at implementing this in AbsoluteModelTransform. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing

[osg-users] ANN: Audio, Physics, and Developer Tools for OpenSceneGraph

2010-09-12 Thread Paul Martz
://www.skew-matrix.com/ To download the projects described, or for more information: http://osgaudio.vesuite.org/ http://osgbullet.vesuite.org/ http://osgworks.vesuite.org/ -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] osgViewer direct support for depth partitioning and stereo

2010-09-11 Thread Paul Martz
Robert Osfield wrote: Hi Paul, On Fri, Sep 10, 2010 at 4:22 PM, Paul Martz pma...@skew-matrix.com wrote: With respect to depth partitioning, I've successfully implemented this with a custom RenderStage. The CullVisitor does a single cull on the entire view volume, but the custom RenderStage

Re: [osg-users] osgViewer direct support for depth partitioning and stereo

2010-09-10 Thread Paul Martz
-- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] release of osg

2010-09-09 Thread Paul Martz
and development releases are done on different branches. Yes, 2.8.3 is more recent than 2.9.6, but because they are on different branches, 2.8.3 is not a superset of 2.9.6. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] osgBullet: Stereo mode / TriMesh Collision Shapes

2010-09-08 Thread Paul Martz
declared to be deprecated. While I don't think this is a bug in osgWorks that merits a fix, I'm open to other ideas and suggestions on how to make this work, including changes that would facilitate a workaround. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] [osgPlugins] can't find plugins at runtime

2010-09-08 Thread Paul Martz
it, but your executable still fails to load it, then that's certainly an indication that you've failed to distribute a dependency, such as the CRT libraries or some 3rd party dependency. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] osgBullet: Stereo mode / TriMesh Collision Shapes

2010-09-07 Thread Paul Martz
not mistaken, osgBullet is already running in a production environment using stereo. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http

Re: [osg-users] osgBullet: Stereo mode / TriMesh Collision Shapes

2010-09-07 Thread Paul Martz
Paul Martz wrote: Thanks for the reproducer case. Can you open an issue at the osgBullet wiki? This isn't an osgBullet issue, I see the same behavior in the osgWorks amt test program. So discussion / issue tracking / patch submission should occur in the osgWorks related pages: http

Re: [osg-users] osgBullet: Stereo mode / TriMesh Collision Shapes

2010-09-06 Thread Paul Martz
is detected at all. All objects simply fall through the ground in my demo scene. That would be a good topic of discussion for the Bullet forum, as I doubt it has anything to do with OSG or osgBullet. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] Can update callback be a mutex?

2010-09-03 Thread Paul Martz
for another thread to finish its IO operations. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users

Re: [osg-users] Can update callback be a mutex?

2010-09-03 Thread Paul Martz
always keep the original copyright intact. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users

Re: [osg-users] Getting the List of Triangles from an osg model

2010-08-30 Thread Paul Martz
this. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] Switch node and update traversal

2010-08-30 Thread Paul Martz
) Is there an easy way for an update callback to find out if its node is on or off - similar to how a callback can use ComputeWorldToLocal, for example, to get the accumulated transforms. Typecast the parent as a Switch, then ask the Switch if 'this' is on or off...? -- -Paul Martz Skew

Re: [osg-users] Switch node and update traversal

2010-08-30 Thread Paul Martz
I hit 'send'. But yes, you're correct: the NodeVisitor has the NodePath that got you to where you are, so just stepping through that path would tell you whether or not any ancestor nodes are Switch objects, then you'd do the same test I described. -- -Paul Martz Skew Matrix Software

Re: [osg-users] Bones Animation

2010-08-26 Thread Paul Martz
functionality do you hope to achieve by using FBX bones? Hardware skinning? -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http

Re: [osg-users] Issue with normal vectors

2010-08-25 Thread Paul Martz
Werner Modenbach wrote: Maybe someone can give me some explanation on my stupid little problem. I have a geometry being composed of TRIANGLES. I have a vertex-array, a verted-index-array and a normal-array assigned to my geometry. Off-topic: Do you need to use the vertex-index-array? It is

Re: [osg-users] Lines and only the lines are getting cliped some how!

2010-08-23 Thread Paul Martz
Well, that disables the depth test, but disabling the depth test versus setting the test to ALWAYS should be the same net effect as far as this particular test is concerned. -Paul David Glenn wrote: O.K. Paul! Just for clarification: When you ask setting the depth test to GL_ALWAYS on

Re: [osg-users] Texture unit ID's conflicting

2010-08-23 Thread Paul Martz
Steven Powers wrote: In practice, I'm creating 2 textures and storing shader relevant data in them. I'm assigning them to the state set using setTextureAttributeAndModes(1,...) and setTextureAttributeAndModes(2,...) but some objects in the scene must also have textures defined for these texture

Re: [osg-users] Lines and only the lines are getting cliped some how!

2010-08-23 Thread Paul Martz
David Glenn wrote: stateset-setMode(GL_DEPTH_TEST, GL_ALWAYS); GL_ALWAYS is not a valid StateAttribute mode, so I'm not sure what the effect of this call would be. As you can see, I still see that hole and now the backside of my grid that was hidden before. If you got that same hole in

Re: [osg-users] Lines and only the lines are getting cliped some how!

2010-08-20 Thread Paul Martz
! -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=30948#30948 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- -Paul Martz

Re: [osg-users] Lines and only are getting cliped some how!

2010-08-19 Thread Paul Martz
if they appear on top of the terrain. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users

Re: [osg-users] Proximity Queries between objects

2010-08-18 Thread Paul Martz
Hi Sanat -- I posted to osgBullet-users with a possible fix for your osgBullet crash, but didn't see a reply from you. Did my suggestion resolve the issue you were encountering? -Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] Setting alpha to a group node

2010-08-18 Thread Paul Martz
-openscenegraph.org -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] Open Scene Graph Training

2010-08-18 Thread Paul Martz
It was posted here two weeks ago. Search the archives for the thread osg course: oct 5-7, seattle, wa. -Paul David Glenn wrote: Greetings! I found out through the Khronos web site that there is going to be an Open Scene Graph Corse offered in Seattle on Oct 5th-7th by Bob Kuehne. Did

Re: [osg-users] Setting alpha to a group node

2010-08-18 Thread Paul Martz
Phil Fugue wrote: Paul Martz wrote: Have you considered setting BlendColor at the parent Group node and using one of the blend function parameters that use constant color? -Paul Thanks for your response. No I havent considered this. I dont understand how it will accomplish what I'm

Re: [osg-users] Proximity Queries between objects

2010-08-16 Thread Paul Martz
space. (I know, I know... but he DID post this question to a 3D graphics group :-) .) -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http

Re: [osg-users] Alpha channel in framebuffer?

2010-08-16 Thread Paul Martz
You might need to explicitly ask for alpha when you create the context. Grep for DisplaySettings / read through its header. -Paul Dženan Zukić wrote: Hi, I am using the following code to save contents of the framebuffer into a file:

Re: [osg-users] osgBullet Build unsuccessful

2010-08-16 Thread Paul Martz
doesn't cause a program to hang. It usually causes the program to display a missing DLL dialog, then it exits. I was hoping to get some advise from other users who have built osgBullet successfully or who may have experienced any similar problems. Thank you Sincerely, Sanat -- -Paul Martz

Re: [osg-users] why transform nodes give a big impact to cull time??

2010-08-13 Thread Paul Martz
@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http

Re: [osg-users] Manage DOF nodes within LOD models.

2010-08-04 Thread Paul Martz
to change the code to check what is the current displayed model and then catch the correct DOF. I think you always want to change both Transforms so that when you switch from one LOD to the other, both models are transformed the same. -- -Paul Martz Skew Matrix Software

Re: [osg-users] VBO's and geometry instancing [SEC=UNCLASSIFIED]

2010-08-03 Thread Paul Martz
feature, nor with multiparenting. Does the problem go away when you change from using buffer objects to using display lists? Does the problem go away when you change your scene graph to render N copies of your object, rather than N instances? -- -Paul Martz Skew Matrix Software

Re: [osg-users] [build] Problem building OsgWorks on Ubuntu

2010-08-03 Thread Paul Martz
I'd suggest discussing this on the osgWorks Google Group. But it appears to be the case that your osgWorks makefiles are, for some reason, unable to find your OSG installation. Without information on how you've configured the osgWorks CMake, or where you've installed OSG, it'll be difficult to

Re: [osg-users] Need to set a viewpoint position based on an offset from the model the viewpoint is viewing.

2010-08-02 Thread Paul Martz
for you? osg::Matrix osg::computeLocalToWorld(const NodePath nodePath, bool ignoreCameras) -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http

Re: [osg-users] .osg model converted to flt would not load in 3rd party software

2010-08-01 Thread Paul Martz
Hi Per, Macher -- When I was last in that code, the flt exporter supported v15.7, v15.8, and v16.1, controllable with the version= option, with v16.1 being the default. All these versions support the use of Mesh Records. The export options are fully documented. See the ExportOptions.cpp file,

Re: [osg-users] setUseVertexBufferObjects(true) has no effect

2010-07-26 Thread Paul Martz
=30275#30275 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] What is setRenderBinDetails ................

2010-07-20 Thread Paul Martz
Nitin Rangari wrote: Hi All, i have very simple question i want to know What is setRenderBinDetails when its use.. I recommend you search the archives for render bin or setRenderBinDetails. -- -Paul Martz Skew Matrix Software http

[osg-users] VS 2010 and OSG v2.8.3?

2010-07-20 Thread Paul Martz
Hi all -- Has anyone successfully built OSG v2.8.3 with VS 2010? Back when we did 2.8.3 release testing, I vaguely recall some people reporting (successful) build results using VS 2010, but just wanted to make sure this actually works. Thanks. -- -Paul Martz Skew Matrix Software

Re: [osg-users] cross axes

2010-06-22 Thread Paul Martz
). With the transformation you've specified, the model will subtend less that one pixel of screen space. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http

Re: [osg-users] How to know if a pre render pass has finished rendering

2010-06-18 Thread Paul Martz
Prakhar Jain wrote: I wish to do a Render to Texture in which I have set the render target for the camera to be an osg image. Is there a way by which I can know if the prerender pass has finished or not ?. Attach a post-draw callback to the Camera. See the Camera header file. -- -Paul

Re: [osg-users] [build] osg-2.8.3 and ffmpeg-0.6

2010-06-18 Thread Paul Martz
, so I'd think you'd get the same build results as with 2.8.2, presuming you're using the same version of the dependency as you use for 2.8.2. Is this the case? Is it broke the same way for 2.8.2? -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] how to animate a scene

2010-06-14 Thread Paul Martz
the object position every 1/100 of a second. What should I implement to refresh the object position correctly? I mean, the synchronization is my basic problem. You can use AnimationPath and AnimationPathCallback for this task. -- -Paul Martz Skew Matrix Software http

Re: [osg-users] finding adjacent vertices

2010-06-13 Thread Paul Martz
and see how it performs the same task. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users

Re: [osg-users] Small test program gets segmentation fault when doing own viewer loop in Qt environment

2010-06-09 Thread Paul Martz
this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=28752#28752 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- -Paul Martz Skew

Re: [osg-users] Books on OpenSceneGraph

2010-05-26 Thread Paul Martz
before you can use OSG wisely. The OSG Quick Start Guide has a recommended reading list near the front, which should be a good start. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg

Re: [osg-users] How to delete osg graphs properly?

2010-05-18 Thread Paul Martz
() { PositionAttitudeTransform* myPAT1 = new PositionAttitudeTransform(); delete myPAT1; // Compilation error - normal CustomPAT* myPAT2 = new CustomPAT(); delete myPAT2; // Compilation OK !!! - shouldn't be } Looks like you failed to declare your destructor protected. -- -Paul Martz Skew

Re: [osg-users] How to delete osg graphs properly?

2010-05-17 Thread Paul Martz
graph? Thanks for any advice! :) I'd advise you to read the OSG Quick Start Guide. http://stores.lulu.com/store.php?fGroupID=2076 -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg

Re: [osg-users] A challenge with diamond-shaped graphs...

2010-05-14 Thread Paul Martz
to the wheel texture coordinates. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] OBJ export of Shapes, any progress or workarounds?

2010-05-10 Thread Paul Martz
Dženan Zukić wrote: Can anyone provide pointers? You could try posting to osgWorks google group, or look at osgBullet (which uses osgWorks)... -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users

Re: [osg-users] Does OSG have a vertex-reducer?

2010-05-07 Thread Paul Martz
it was intended for). -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com/ ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] [osgPlugins] Exporting OpenFlight from OSG and DDS textures

2010-05-07 Thread Paul Martz
-oriented triangle pairs. You'd orient those to the screen with a shader. This can all be done with core OSG and no need for the custom node types present in the osgVolume nodekit. It should export to FLT. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

Re: [osg-users] [osgPlugins] Exporting OpenFlight from OSG and DDS textures

2010-05-06 Thread Paul Martz
Luca Colombari wrote: Attachments: http://forum.openscenegraph.org//files/osg_output1_127.osg The FLT plugin doesn't have a dependency on the osgVolume nodekit. You'll have to figure out how to map osgVolume objects to FLT records. Good luck with that. -- -Paul Martz Skew Matrix

Re: [osg-users] Collision Detection

2010-05-06 Thread Paul Martz
? I would use a library designed for collision detection (and rigid body dynamics) such as Bullet. I maintain a toolkit for Bullet and OSG apps: osgbullet.googlecode.com. -- -Paul Martz Skew Matrix Software http://www.skew-matrix.com

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