[osg-users] RTT and Shaders using vertex attribute aliasing

Hi all, I have a simple RTT setup. works great but when I setup OSG to turn on the vertex attribute aliasing and allow OSG to provide gl_ inputs via the osg_ prefix my shader breaks. No errors. Can't even get a red colour on my test quad. Can anyone see what I'm doing wrong? Can I still use

Re: [osg-users] Correct way to modify scene graph [SEC=UNCLASSIFIED]

Hi Russell, I suppose setting the threading model to SingleThreaded is not an option, maybe set Root Node to DYNAMIC variance? I can't remember the actual call. good luck, On 09/11/17 14:49, Thamm, Russell wrote: *UNCLASSIFIED* Hi I am in the process of porting an MFC application from

Re: [osg-users] Lookup texture coordinate issue

It's sorted.My tex coordinate generation was wrong.. :P On 17/05/14 09:50, Paul Pocock wrote: Hi, I have a 4x4 float texture containing positions ranging from 0 ..10. I have a lookup float texture a 64x64x64 packed as a 2D texture 64x4096 containing some vectors in each texel. the 64x64x64

[osg-users] Lookup texture coordinate issue

Hi, I have a 4x4 float texture containing positions ranging from 0 ..10. I have a lookup float texture a 64x64x64 packed as a 2D texture 64x4096 containing some vectors in each texel. the 64x64x64 is packed into a 64x4096 2d image: data[y * height + z+0] = value; data[y * height + z+1] =

[osg-users] Transform Feedback

Hi, Has Transform feedback been integrated into OSG? Are there any examples around that anyone knows about? Thanks and Regards Paul ___ osg-users mailing list osg-users@lists.openscenegraph.org

Re: [osg-users] FBO - Write to texture array using sampleBuffer

Had it worked out - Thanks for your reply though :) On 17/04/14 18:14, Robert Osfield wrote: Hi Paul, The way to bind a texture to the output of shader is to use an FBO. Robert, On 19 March 2014 11:44, paul cooper paul.ta...@internode.on.net wrote: Hi all, I would like to use shaders -

[osg-users] Question about osgmultiplerendertargets

Hi Am I assuming correctly that the image and texture in createScene() is using COLOR_BUFFER0 that is written to by the shaders set up in createRTTQuad? I tested by loading an image in createRTTQuad and texturing that quad_geom. I printed out data from the image and it always the same

Re: [osg-users] Question about osgmultiplerendertargets

Sorry my bad - it was the texure coordinates :P On 05/04/14 09:40, Paul Pocock wrote: Hi Am I assuming correctly that the image and texture in createScene() is using COLOR_BUFFER0 that is written to by the shaders set up in createRTTQuad? I tested by loading an image in createRTTQuad

[osg-users] Floating point FBO Instancing texture

Hi all, I'm instancing geometry using a floating point texture containing worldspace positions. The position texture and instancing work. Resolution is constant at 1024x768 Now I'm trying to use a FBO (pre-render) to write to a position texture and use that in the instancing shader (It

[osg-users] osgShadow needs osg::LightSource?

Hi all, Am just getting into osgShadow and was wondering do I have to add an osg::LightSource to my scene to generate shadows? Is it not possible to just give a Vec3 light position to ShadowMap or ShadowedScene? Regards Paul ___ osg-users mailing

Re: [osg-users] How to add shadows to deferred shading?

Hi Michael, Great work, I ended up using osgShadow in my deferred rendering implementation. It would be great if we could get your work into the OSG as an example of deferred rendering/shadowing using GLSL. Regards Paul On 27/10/13 23:09, michael kapelko wrote: I decided to simply use more

[osg-users] osgAnimation - Seperate animations from keyframe ranges

Hi all - I have grouped my animations in one long sequence using 3ds 2010 but would like to seperate these out in OSG as named seperate animations based on a start stop key frame value . Is this possible to do using osgAnimation? Best Regards Paul

Re: [osg-users] VPB calculating sub-tile lat/lon

(attached to the TerrainTile) provides the details of how it converts the local normalized units (0 to 1 range across the tile) into final coordinate frame so it'd effectively provide the means for computing this extents so have a look at it. Robert. On 8 April 2013 00:50, Paul Pocock paul.ta

[osg-users] VPB calculating sub-tile lat/lon

Hi all, I was wondering what would be the best way to get the lat/lon extents of subtiles in Virtualplanetbuilder? I have a geocentric database and want to read the upper left and lower right lat/lon of the highest LOD tiles in the quadtree. Would I need to use the CoordinateSystemNode in

Re: [osg-users] Osgdem bathymetry problem

Thanks Sebastion - will try when I get home.. Thanks again On 01/11/2013 06:52 PM, Sebastian Messerschmidt wrote: Hi Paul, any easy workaround is to put your elevation and/or imagery into separate directories and use them as parameters. cheers Sebastian Hi all, I'm trying to compile

Re: [osg-users] osg::Particle in shader get/set geometry [SEC=UNCLASSIFIED]

with particles systems, there is also an example osgparticleshader that will illustrate how to use it. Robert. On Wed, Sep 22, 2010 at 5:49 AM, Paul Pocock paul.poc...@dsto.defence.gov.au wrote: Hi -just a quick one - Im delving into osg::Particle at the moment and I wish to do some glsl

[osg-users] osg::Particle in shader get/set geometry [SEC=UNCLASSIFIED]

Hi -just a quick one - Im delving into osg::Particle at the moment and I wish to do some glsl processing on the geometry or whatever particle template is used. Is this trivial ? and is there a way to set/get the drawables in an osg Particle system? Regards IMPORTANT: This email remains the

Re: [osg-users] Compute Terrain Intersection for .flt databases[SEC=UNCLASSIFIED]

to work for paged databases built by VPB... -Shayne -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Paul Pocock Sent: Thursday, September 02, 2010 11:06 PM To: osg-users@lists.openscenegraph.org

[osg-users] Compute Terrain Intersection for .flt databases [SEC=UNCLASSIFIED]

Hi - Whats the best way to get the z down intersect point onto a paged database. I'm getting what looks like loss of precision errors. I am not sure if it is because I am using osgUtil::IntersectVisitor (Which I believe is deprecated?) or my lack of knowledge of osgSim::HeightAboveTerrain. Is it

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

Thanks for the reply Paul, Turns out my billboarding calculations in the vertex shader were screwing everything up. Works fine now. Regards On 08/03/2010 11:32 PM, Paul Martz wrote: Paul Pocock wrote: Hi, Are there any caveats to be mindful of when trying to implement instancing using

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

Hi, Are there any caveats to be mindful of when trying to implement instancing using VBO's? I'm using a static tri stored in a VBO - however I'm facing massive bottlenecks in the frag shader - with obvious fillrate issues dragging my frames down drastically. and I can't see any obvious state

[osg-users] OSG Uniform Array Setup [SEC=UNCLASSIFIED]

Hi All, I've been trying out geometry instancing however am experiencing OpenGL errors. I'm using NV 8800GTX with latest 256.35 Linux drivers so it should work. I am thinking it is my set up. I have set up everything correctly as per osgdrawinstanced example so i'm thinking it is the way I'm

Re: [osg-users] Reading/Writing osg::Image data [SEC=UNCLASSIFIED]

Hertlein wrote: Hi Paul, On 23/06/10 11:53 , Paul Pocock wrote: I'm trying to write 3d texture data to file but when loading back into osg::Image I'm getting rubbish: Writing to file with 3d texture data: unsigned int size = image-getTotalSizeInBytesIncludingMipmaps(); fout.write( (char

[osg-users] Reading/Writing osg::Image data [SEC=UNCLASSIFIED]

Hi All, I'm trying to write 3d texture data to file but when loading back into osg::Image I'm getting rubbish: Writing to file with 3d texture data: unsigned int size = image-getTotalSizeInBytesIncludingMipmaps(); fout.write( (char*)image-data(), size ); Reading from file: unsigned char*

[osg-users] Sec:u Re: GPU Monitoring for OSG

I integrated NVPerf a while ago - I'll upload it sometime .. needs cleaning up IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT 1914. If you have received this email in error, you are requested

[osg-users] Sec:u osgEphemeris Horizon sky shading missing?

Hi - I'm interested in hearing from anyone who uses osgEphemeris in any of their projects and if they have noticed that the horizon sky shading or the light properties which bend around corners feature is now broken ? I'm using SuSe 11.1 and Nvidia 180.51 with OSG 2.8.0, the last time I noticed it

[osg-users] osgViewer::Viewer Thread Handle

Hi Everyone, Just a quick one,I want to set up a flag where you can assign cpu affinity for the cull, draw, update threads. Is there a way I can get a handle on these threads? is there a getDrawThread method? Best Regards Paul IMPORTANT: This email remains the property of the Australian

Re: [osg-users] 64/32 bit ?

Thanks Dimi, I had done that - unfortunately by default ccmake loads all the 64 bit libs by default, it would be better I think if you could specify a flag like --Build-32bit so it will search for 32 bit libs (if installed) on a 64 bit machine. Would be good if it could set the LIB_POSTFIX to

[osg-users] osgEphemeris skyDome issue

Sorry for posting this here on osg-users, the osgEphemeris List is rather quiet. My understanding was that the skyDome centre would always be the camera eye point - however having tried setSkyDomeCenter at init and calling it every frame the user can still traverse outside the skydome.

Re: [osg-users] graph visualization tools?

I had something like this - it was crude but had functionality not unlike Performers graph viz tool ,however I stored relevant info in osg::Node, Not getting too far into implementation details - I had to run two nodeVisitors - One to gather info on the scenegraph and the other to build and

[osg-users] Loading Particle Effect from file Problem

HI all, I was wondering if anyone has had this problem and if so what was their solution. I have a particle system loading from sn .osg file, attach it to a transform and add a NodeVisitor callback to the transform. Unfortuately The Particle System does not like it. There is an article on this

Re: [osg-users] Another Viewer/CompositeViewer Question

Many Thanks again Robert ... Robert Osfield wrote: Hi Paul, On Thu, Jan 29, 2009 at 4:10 AM, Paul Pocock paul.poc...@dsto.defence.gov.au wrote: Am I to assume correctly that osgViewer::Viewer (slave cameras) as opposed to CompositeViewer is more appropriate for a cave or powerwall

Re: [osg-users] Another Viewer/CompositeViewer Question

will Render the same view with the same Frustrum projection and with the same viewport? This question relates to using slave cameras on a cluster with osgViewer as the main rendering window Regards Paul Robert Osfield wrote: Hi Paul, On Thu, Jan 29, 2009 at 4:10 AM, Paul Pocock paul.poc

[osg-users] Another Viewer/CompositeViewer Question

Am I to assume correctly that osgViewer::Viewer (slave cameras) as opposed to CompositeViewer is more appropriate for a cave or powerwall environment? Do the slave cameras inherit the master cameras ProjectionMatrix/View Frustrum or do these need to be setup independently? Kind Regards

[osg-users] osgVR - anyone using this NodeKit?

Is anyone using Michael Gronager's old nodekit? IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT 1914. If you have received this email in error, you are requested to contact the sender and

Re: [osg-users] osgOcean(?)

Hi Kim, I used the same 15x15 grid tiles and 64x64 using a pagedLOD system. The FFT height maps were pre-generated. My biggest problems were seams in the tiles and trying to introduce reflections. I handled the seam problems between tiles by slightly overlapping them at the edges, not an ideal

[osg-users] Setting number of Cull, Draw threads

Just a simple question, is there a limit on the number of threads I set for one graphics Context? Does OSG set this limit and can't be over -ridden ? Regards IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of

[osg-users] OSG and Chromium/VR Juggler

Hi, I simply want to run OSG on a PC Cluster of 9 Nodes in a Master/ 0..N Slaves configuration. If people who have used either Chromium http://chromium.sourceforge.net/ or VR Juggler http://www.vrjuggler.org/ please report their experiences with these. Kind Regards Paul IMPORTANT: This

[osg-users] osgEXP Shader Support

Does osgEXP import osg shader programs ? or export 3D max shaders applied to a model? If not is there any plan to integrate this into osgEXP? Kind Regards Paul IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70

[osg-users] Projective Texture Problem: GLSL Version

Hi. I need some help on getting projective texturing working properly. Fixed Functionality is no problem however in GLSL am having a number of problems. I can get the texture onto my quad however I can't position it correctly. The texture appears basically in the Middle of my plane - however I

[osg-users] osgSim::OverlayNode Question

Hi - Can osgSim::OverlayNode be used for Decal effects, or general projective texturing? Are there examples where it is used in OSG? Regards IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES

[osg-users] GLSL Setting up gl_EyePlane

Hi,Just a small one - Are the gl_EyePlanes automatically setup when calling texgen-setPlanesFromMatrix(...)? I'm trying to replicate simple Projective texturing using glsl. Regards IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the

Re: [osg-users] Access to osg::Image data

various ops on a 3D osg::Image so I'd recommend review this example. Robert. On Thu, Apr 17, 2008 at 6:45 AM, Paul Pocock [EMAIL PROTECTED] wrote: I'm trying to set the individual rgba in a 3D texture - however having problems : Ive set up the for loops and grabbed the image ptr thus

[osg-users] Access to osg::Image data

I'm trying to set the individual rgba in a 3D texture - however having problems : Ive set up the for loops and grabbed the image ptr thus: ptr = image-data(); for.. for .. for .. *(ptr++) = (GLubyte) (height); *(ptr++) = (GLubyte) (height); *(ptr) =

Re: [osg-users] Projective Texturing in GLSL shader

in the fragment shader. This achieves EYE_LINEAR texturing like in fixed function IIRC (don't forget to setup the eye-Planes from the camera-matrix) cheers Sebastian psy Messerschmidt Paul Pocock schrieb: Hi, I need some advice on projective texturing. I can get it going in Fixed

Re: [osg-users] Projective Texturing in GLSL shader

in fixed function IIRC (don't forget to setup the eye-Planes from the camera-matrix) cheers Sebastian psy Messerschmidt Paul Pocock schrieb: Hi, I need some advice on projective texturing. I can get it going in Fixed Functionality - however not on the GPU. I've set up

[osg-users] Projective Texturing in GLSL shader

Hi, I need some advice on projective texturing. I can get it going in Fixed Functionality - however not on the GPU. I've set up a texGenNode and passing the matrix as a uniform to the shader. I'm also passing the ViewMatrix but sufficed to say I'm not getting the desired effect. Any advice

Re: [osg-users] Multi-Node?

multiple threaded, multiple displays on a single machine. It doesn't directly support a cluster of machines, one needs to implement this at the application level. Robert. On Mon, Feb 11, 2008 at 4:21 AM, Paul Pocock [EMAIL PROTECTED] wrote: Hi, I need to be able to run

Re: [osg-users] Multi-Node?

Thanks Robert - osgcluster seems a good starting point. Regards On Sat, 2008-02-16 at 11:07 +, Robert Osfield wrote: Hi Paul, On Feb 16, 2008 11:26 PM, Tanja Paul [EMAIL PROTECTED] wrote: Thanks Robert - Yes I meant multiple displays, thanks for your response. I saw a thread a

[osg-users] Multi-Node?

Hi, I need to be able to run OpenSceneGraph on Multiple Nodes and was wondering if OSG 2.X is able to handle a multi-channel (Gen locked) setup? - or does a whole lot of synchronization software have to be written for it? Regards IMPORTANT: This email remains the property of the

[osg-users] OSG Design pattern

Hi, is there a current image file of the Design patterns used in osg? I knew there was one around but couldn't find it. Regards Paul IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT

Re: [osg-users] PagedLOD node page callback

Hi Robert, I was wondering how you would use osg::Observer and are there any examples. Would you construct it as osg::observer_ptrosg::Object pagedLODObserver ? and catch page unloads by testing for objectDeleted() ? On Thu, 2008-01-24 at 09:01 +, Robert Osfield wrote: Hi

[osg-users] BoundingBox Problem

Hi, Wondering if anyone from the list can help me. I have a 3x3 grid of tiles from a terrain database, my aim is to get an outline representation of this 3x3 by just using lines to represent each tile. My solution is the following: osg::BoundingBox bbox ; bbox.expandBy(node-getBound());

[osg-users] osgPagedLOD DatabasePager

Hi, I have a few questions as to the functionality of the DatabasePager and PagedLODS in general.If I am mistaken could someone please help me out – but my Understanding of the DatabasePager is this If we have a 4x4 grid of pagedLOD tiles We start out with osg::PagedLOD loading tiles into the

[osg-users] osgconv batch processing

I have a number of objects I would like to convert to .ive and was wondering if there is a way to do batch processing with osgconv? IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT 1914. If you

[osg-users] gDEBugger and OpenSceneGraph

Can all those who have tried gDEBugger http://www.gremedy.com/gDEBuggerLinux.php?sdk with OpenSceneGraph post their experiences. I'm running i586 suse-linux and have had mixed results (understandably - it is in beta), namely blank screen when running any OSG application - Performance counters

[osg-users] CMake Search Paths ?

Hi, This may be an issues with the developers of cmake but I've had a difficult experience building OSG 2.2 official release on IRIX 6.5 using the cmake build process. Problems namely with specifying my own /include /lib paths. it seems to want to ignore any arguments I pass to it , I don't think

[osg-users] Statistics meaning clarification

In regards to osg stats I understand the following to mean: - Frame Rate - in /Hz - Event - Event traversal - Update =96 The update thread updates a node of the scenegraph,update traversal performed once each frame. - Cull -time taken in