Re: [osg-users] terrain database popping...

Hi, Chris 'Xenon' Hanson wrote: Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC wrote: Thanks for the input. I'm somewhat familiar with VTP but not with libmini. I'll poke around to get more info... Libmini is one of the lower-level APIs VTP uses. VTP is certainly a good base to

Re: [osg-users] Erratic intersections with long line segments

Hi Gordon, we had similar problem here. We were standing exactly at the edge of 2 adjacent triangles in large terrain database and osgUtil::LineSegmentIntersector failed because of internal floating precision. Using doubles instead of floats inside osgUtil::LineSegmentIntersector solved our

Re: [osg-users] HDR Skybox

Hi Rob, I think you forgot to set the data in the textureCubeMap in float, that's why you see strange colors for values above 1.0. You can try this : osg::TextureCubeMap* cubemap = new osg::TextureCubeMap; cubemap-setInternalFormat(GL_RGBA16F_ARB);

[osg-users] [build] make : Build error on FFmpegDecoder.cpp while compiling OSG-dev

Hi, I'm trying to compile the last version of OSG-dev but I have a build error at the make : Code: /home/player/FlightGear-dev/build/OpenSceneGraph/src/osgPlugins/ffmpeg/FFmpegDecoder.cpp:90: erreur: 'ENOMEM' was not declared in this scope

[osg-users] The orthographic projection near/far plane

Hi, I don't know whether this has been brought up before (I couldn't find any posts regarding this matter in the user forum), but when using the orthographic projection matrix's setProjectionMatrixAsOrtho(), the near/far plane z values supplied as arguments are not set as according to the

Re: [osg-users] Turning the main viewer camera on and off (when taking high-res camera screenshots).

Jesper, 2 days ago, I was doing the same thing, same problem, but with composite viewer. Here is what I did... I create my screenshot camera while I create my main CompositeViewer and its children Viewers. When I create this screenshot viewer, I set its nodemask to 0 - by default, it won't

Re: [osg-users] The orthographic projection near/far plane

Hi Kees, I would expect (0,0,-zNear,1) to transform to (0,0,-1,1). zFar and zNear are positive in the direction you're looking and negative behind you. I didn't see anything in the osg code that defines zFar and zNear as being the actual Z values. Perhaps having the variables begin with z is

Re: [osg-users] Problem of points showing

Hi, Ismail, I don't understand how the expanding happen? I read all dataset into an array of P, then when it expands? and why? and what's old array? On Tue, Apr 14, 2009 at 2:27 PM, Ismail Pazarbasi pazarb...@gmail.comwrote: Hi Lingyun, std::bad_alloc is thrown when operator new cannot

Re: [osg-users] Erratic intersections with long line segments

Thanks Marcin That's sort of what I was thinking that it had to be rounding, our tiles are localized so YX are relatively small but the Z could be any value range on the earth and seabed, 1million,-1million was over kill for the segment length. Be we will look to go the double route .

Re: [osg-users] Problem of points showing

And yes, after I did if (NumPart 1000) { try { vertices-reserve(NumPart); } catch (std::bad_alloc e) { // handle exception here; log and return error from this function. // alternatively, you can rethrow here, and catch in caller. } } it jumps to catch part.

Re: [osg-users] any help would be appreciated - updating a groupofcameras (UNCLASSIFIED)

Classification: UNCLASSIFIED Caveats: NONE So from helpful comments, I believe I know what I'm doing wrong. I am creating a group and adding cameras to the group. in the cameras I have various drawables that I'd like to update with my program. i can't get the camera's children to update and

Re: [osg-users] Problem of points showing

Lingyun, I strongly recommend you to read your std::vector implementation's source code and debug it to understand its behavior. Vector starts with 0 or room for few elements. When you push_back, it checks for available space in its internal block. If requested size is greater than current

Re: [osg-users] Problem of points showing

Hi Lingyun, How much memory is installed on your computer? How much of it is available and which operating system are you using? Do you use page file/swap? 2009/4/15 Lingyun Yu lingyun.yu...@gmail.com: And yes, after I did if (NumPart 1000) {   try   {      vertices-reserve(NumPart);  

Re: [osg-users] The orthographic projection near/far plane

Hi Thomas, it is indeed a matter of the actual argument names. As the function interface just duplicates glOrtho(), it probably won't confuse anyone but me. My personal pick would be nearDistance, farDistance or something similar. Regards, Kees Jolley, Thomas P wrote: Hi Kees, I would

Re: [osg-users] Problem of points showing

Hi, Ismail, ok, jey, I really need to read it. thank you very much. On Wed, Apr 15, 2009 at 4:11 PM, Ismail Pazarbasi pazarb...@gmail.comwrote: Lingyun, I strongly recommend you to read your std::vector implementation's source code and debug it to understand its behavior. Vector starts

Re: [osg-users] any help would be appreciated - updating a groupofcameras (UNCLASSIFIED)

Hello Danny, Sending your message twice will not get you help faster. Good etiquette would be to wait a little, and if you don't get any response after a few days then you can send a reminder, like no one has any idea what I'm doing wrong? or something like that. We all have day jobs and

Re: [osg-users] any help would be appreciated - updating agroupofcameras (UNCLASSIFIED)

Hi Danny -- Can you create a reproducer code that doesn't use Boost? Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com +1 303 859 9466 -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Konkle,

Re: [osg-users] [build] make : Build error on FFmpegDecoder.cpp while compiling OSG-dev

Bonjour Jean-Sébastien, Merci pour ta prise en compte. David -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=10255#10255 ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] GPU Feedback

Does OSG provide in mechanism for retrieving any metrics from the GPU? Seems like I read a few months ago on the nvidia dev site that certain drivers allowed for the retrieval of GPU performance metrics, but I can't find that information now. Anyone know what I am referring to? Or if I am

Re: [osg-users] any help would be appreciated - updating a groupofcameras (UNCLASSIFIED)

Classification: UNCLASSIFIED Caveats: NONE i didn't send it twice because i wanted more help or faster help. i sent it twice because i was having problem with email and i didn't think the message went out. i check the list server and it wasn't there. i was obviously mistaken and i

Re: [osg-users] any help would be appreciated - updatingagroupofcameras (UNCLASSIFIED)

Classification: UNCLASSIFIED Caveats: NONE reproducer code without boost. -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users- boun...@lists.openscenegraph.org] On Behalf Of Paul Martz Sent: Wednesday, April 15, 2009 9:52 AM To: 'OpenSceneGraph

Re: [osg-users] GPU Feedback

Run osgviewer with you favorite models and cycle through the stats options ( the 's' key ) you will see some GPU stats Gordon Product Manager 3d __ Gordon Tomlinson Email : gtomlinson @ overwatch.textron.com

Re: [osg-users] terrain database popping...

Raymond de Vries wrote: geosimulation app on, depending on your requirements. You can try to stick libmini into plain OSG as well, but VTP already has done the integration for you. I think this is not entirely true. I believe they have integrated it into VTP but not with OSG. There was a VTP

Re: [osg-users] Problem of points showing

vector typically doubles the size of memory it reserves when it needs more space. This is because every time it allocates new memory it must move the contents of the existing memory - it's slow to copy all the existing elements and so it makes sense to only increase as few times as possible

Re: [osg-users] any help would be appreciated - updating a groupofcameras (UNCLASSIFIED)

Hello Danny, i didn't send it twice because i wanted more help or faster help. i sent it twice because i was having problem with email and i didn't think the message went out. i check the list server and it wasn't there. i was obviously mistaken and i apologize. OK, apology accepted, but

Re: [osg-users] Problem of points showing

Thank you very much, Ismail and Martin, I have 3G memory installed. and 1.02G is avaible, I use windows vista. and I didn't use file page file/swap. I will read carefully about both of you suggested. If you have some source can be read for that, please tell me. Yun On Wed, Apr 15, 2009 at

Re: [osg-users] OpenSceneGraph-2.8.1 release candidate two tagged

Hi Robert, robertosfield wrote: Hi All, I've now fixed the svn2cl usage in Cmake so that that ChangeLog generation should now reflect either the branch or svn/trunk that a release is tagged from.  I've also merged a change to OperationThread to enable multi-thread usage with the up

Re: [osg-users] any help would be appreciated - updating a groupofcameras (UNCLASSIFIED)

Classification: UNCLASSIFIED Caveats: NONE Hello Danny, i didn't send it twice because i wanted more help or faster help. i sent it twice because i was having problem with email and i didn't think the message went out. i check the list server and it wasn't there. i was obviously

Re: [osg-users] any help would be appreciated - updating a groupofcameras (UNCLASSIFIED)

Hello Danny, thanks for the insight into OSG. i'm looking through the fixed example now. thanks for the help. My pleasure. J-S -- __ Jean-Sebastien Guayjean-sebastien.g...@cm-labs.com

Re: [osg-users] GPU Feedback

Evidently I didn't look hard enough... I found what I was looking for: The NVPerfKit counters. http://developer.nvidia.com/object/nvperfkit_counters.html. Do the stats you refer to come from these counters or this type of feedback mechanism? i.e. low level counters inside the hardware and

Re: [osg-users] any help would be appreciated -updatingagroupofcameras (UNCLASSIFIED)

Hi Danny -- On the assumption that your code is supposed to change the text, I put a breakpoint at each call to setText in your app. I saw several calls initially, but once the app started rendering, none of the breakpoints were hit after that point. So, it seems J-S's advice is sound: The reason

Re: [osg-users] Problem of points showing

no, 2G is avaible I mean On Wed, Apr 15, 2009 at 5:43 PM, Lingyun Yu lingyun.yu...@gmail.com wrote: Thank you very much, Ismail and Martin, I have 3G memory installed. and 1.02G is avaible, I use windows vista. and I didn't use file page file/swap. I will read carefully about both of you

[osg-users] Callbacks - Automatic assignment

I have a very dynamic and large data set that is made up of several levels of PagedLODs so nodes are being continually loaded/unloaded to/from memory. However, I would also like to apply callbacks to the nodes upon loading so that they might be dynamically modified based upon user preferences

Re: [osg-users] Callbacks - Automatic assignment

Appolloni, Thomas wrote on Wednesday, April 15, 2009 1:59 PM: I have a very dynamic and large data set that is made up of several levels of PagedLODs so nodes are being continually loaded/unloaded to/from memory. However, I would also like to apply callbacks to the nodes upon loading so that

[osg-users] osgTerrain

　　Hello,robert! 　　Can you provide some examples about how to use the library of osgTerrain except osgTerrain! The library is so complex that I don't know how to use it to render terrain data! Can you provide some documents about the library! On the other hand , I hope that the example of

Re: [osg-users] [vpb] Building a geocentric database with heigh data

Perhaps you can provide more info on what osgdem reports when it crashes. Try running gdalinfo on your source files to see what format they're using... -Shayne -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On

Re: [osg-users] Problem of points showing

Hi Martin, ISO 14882:2003 (the C++03) standard doesn't clearly specify how containers must swap its contents. It's clearly specified in C++0x drafts. Most implementations simply exchange internal block (pointers) and capacity, if allocators are the same. Otherwise, each element will be copied.

[osg-users] OverlayNode question

Can somebody give me a explanation of how an OverlayNode is used? I need to render some geometry stuff (i.e. geopolitical, grid lines) on top of terrain elevation geometry and currently, I'm rendering to a texture and laying this texture on my terrain polygons. Should I be using an Overlay

Re: [osg-users] Dinamic Line Drawing

boooch (and anyone who might have suggestions...), I really appreciate the code you posted but I can't get it to work as you did. The ONLY way I was able to get the lines drawn was to RE-set the vertexArray of my geometry. Like so: m_ogeomTrailGeometry-setVertexArray(vad); However, this is

Re: [osg-users] Dinamic Line Drawing

Your geometry is probably using display lists (on by default). setVertexArray will dirty and rebuild them. A more efficient solution would be to disable display lists. If you do that, you should be able to change individual elements of your array and not have to set the entire array. Paul Martz

Re: [osg-users] Dinamic Line Drawing

Thanks Paul! I didn't understand that in the previous postings. Would you mind telling me how to disable the display listings for this geometry? ** PAUL wrote *** Your geometry is probably using display lists (on by default). setVertexArray will dirty and rebuild them. A more efficient

Re: [osg-users] terrain database popping...

I think it would be good to fold libmini (or something equivalent) into OSG. That way you can use the databases built with VPB. I don't know much about VTP but using VPB databases are nice... -Shayne -Original Message- From: osg-users-boun...@lists.openscenegraph.org

Re: [osg-users] [vpb] Building a geocentric database with heigh data

The source data are ordinary tiff files. I tried several. Can you point any sample image which you know that works? See attached screen capture of osgdem output issued before crash. Thank you. Mauricio Hofmam -- Read this topic online here:

Re: [osg-users] Dinamic Line Drawing

setUseDisplayLists( false ). Paul Martz Skew Matrix Software LLC http://www.skew-matrix.com +1 303 859 9466 -Original Message- From: osg-users-boun...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Allen Saucier Sent: Wednesday, April 15, 2009

[osg-users] vertex data in byte precision

Probably a newbie question: Is it possible to store vertex data in byte array like Vec3bArray ? I' ve tried but it seem not allowed: I obtain crash when call setVertexArray Is it something dependent on driver? I attach two sample files, short working, byte hanging Thanks Luigi

[osg-users] Problem with CompositeViewer in osg2.8 static libs

hello everyone, Recently,i had a problem with Osg 2.8. I have write a very simple program to test a bug with osg 2.8 static libs and VS2008.The test program is below: #include osgViewer/CompositeViewer #include osgViewer/GraphicsWindow #include osg/ref_ptr

Re: [osg-users] GPU Feedback

Ed wrote: Evidently I didn't look hard enough... I found what I was looking for: The NVPerfKit counters. http://developer.nvidia.com/object/nvperfkit_counters.html. Do the stats you refer to come from these counters or this type of feedback mechanism? i.e. low level counters inside the

[osg-users] Can not create OpenGL texture in OSG

Hi all, When I tried to create a texture by glGenTextures in OSG, I met a problem. glGenTextures can not create a texture object. Zero is returned and no texture is created. Source codes are as follow: while(!Viewer.done()) { ... if(Render) {

Re: [osg-users] Can not create OpenGL texture in OSG

After glGenTextures, I use glGetError to get the error. The result is : GL_INVALID_OPERATION. OpenGL manual ( http://www.opengl.org/documentation/specs/man_pages/hardcopy/GL/html/gl/gentextures.html)gives the reason as: *GL_INVALID_OPERATION* is generated if *glGenTextures* is executed