Re: [osg-users] Looking for big datasets to properly challenge OSG and VSG, Please help :-)
Hi Robert, concerning your question about big dataset, at link : http://kos.informatik.uni-osnabrueck.de/3Dscans/ at bullet 25, there is a file wue_city.tar.xz of about 5GB got by SLAM process. This data set contains 6 3D laser scans. Each scan has up to 22,500,000 points. I don't know what is the dataset size you are looking for, i supposed 5GB could be enough (i hope). It is a ascii format, and it can be download freely. Hope to be useful. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=75781#75781 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgUtil::LineSegmentIntersector performance issues
Hi Chris Hanson, thank you for your suggestion and your advanced solution. However, the Robert Osfield's answer solved completely issues concerning my unclear question. At the moment i find very hard to improve (using my equipment) performance beyond 0.01 ms. Anyway, i will take in consideration your useful suggenstions for next challenges. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=75284#75284 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgUtil::LineSegmentIntersector performance issues
Hi Robert, thank you for your suggestion. After using of : osgDB::Registry::instance()->setBuildKdTreesHint(osgDB::Options::BUILD_KDTREES); and osgUtil::IntersectionVisitor iv(intersector.get()); iv.setUseKdTreeWhenAvailable(true); intersector visitor performances are good again. Now, the code: subgraph->accept(iv); requires (in the same scenes yesterday described) only 0.01 ms. Thank you Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=75279#75279 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] osgUtil::LineSegmentIntersector performance issues
Hello everyone, i spent my last weeks to find a reasonable cause concerning osgUtil::LineSegmentIntersector on some osgt file. In detail, i would like to identify objects in the scene, using line isector (ray casting) starting from a certain point with a ray of 3 meter length . Following the code i used for detecting object in front of camera (i'm using osg 3.5.3 and Oculus Rift device) Code: osg::ref_ptr intersector = new osgUtil::LineSegmentIntersector(startPoint, endPoint); osgUtil::IntersectionVisitor iv(intersector.get()); //intersector->setIntersectionLimit(osgUtil::Intersector::LIMIT_NEAREST); //intersector->setPrecisionHint(osgUtil::Intersector::PrecisionHint::USE_FLOAT_CALCULATIONS); //for debugging: evaluation of visitor processing time osg::Timer_t timer_tstart = mGlobalHighResTimer->tick(); iv.setTraversalMask(vrGame::INTERACTIVE); subgraph->accept(iv); //for debugging: evaluation of visitor processing time osg::Timer_t timer_tend = mGlobalHighResTimer->tick(); double timer_tfinal = mGlobalHighResTimer->delta_m(timer_tstart, timer_tend); std::cout << " Collision Visitor Time Computed : " << std::to_string(timer_tfinal) << std::endl; This code works correctly in terms of dected object but some times i noticed low performance when camera points in a space region near the object but not on its geometry. I mean, if camera points the geometry of the object, performance is ok. When camera points near the object (on an empty region) but not on its geometry, performance drop down. Some numbers: When camera points on empty area near the object, Oculus passes from 90Hz to 45Hz framerate and the computation of subgraph->accept(iv); requires from 2.8 to 4 milliseconds for each frame. I also investigated on osgUtil::IntersectionVisitor class, and it seems that (in my specific situation), IntersectionVisitor::apply(osg::Transform& transform) needs from 2.8 to 4 ms computation time when processes the following code lines: // now push an new intersector clone transform to the new local oordinates push_clone(); traverse(transform); // pop the clone. pop_clone(); Another doubt is related to why, even if i set iv.setTraversalMask(0x0001001) for avoiding to process nodes which have that mask (and the investigated object has this mask), visitor continues to process at each frame something that requires a lot computation time. The object comes from blender (osgt export), and has One group as root, a MatrixTransform as child, a Geode as child and 3 drawables with 64K vertices on the whole. The osgt file has 18 Mbytes size My question is: Is there some solution I might adopt to improve these performances? Can you give me some suggestions? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=75275#75275 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Enable Qt5Widgets_DIR into cmake (GUI)
Hello Konstatine, thank you for your suggestion. Now CMAKE fills all Qt entries automatically. But, osgQtWidgets and osgQtBrowser aren't in .sln Looking into mypath\OpenSceneGraph-3.5.3\examples\CMakeLists.txt i found: ... IF ( (QT4_FOUND AND QT_QTWEBKIT_FOUND) OR Qt5WebKitWidgets_FOUND ) ADD_SUBDIRECTORY(osgQtWidgets) ADD_SUBDIRECTORY(osgQtBrowser) ENDIF() ... Infact, CMAKE (GUI) fill Qt5WebKitWidgets_DIR with Qt5WebKitWidgets_DIR-NOTFOUND. I searched in C:\Qt\Qt5.8.0\5.8\msvc2013_64\lib\cmake and folder Qt5WebKitWidgets is absent. This is the reason i can't find osgQtWidgets and osgQtBrowser projects in the solution. I will try with a suggestion on : https://stackoverflow.com/questions/49249355/could-not-find-qt5webkitwidgets using qt 5.5 instead of 5.8 Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74645#74645 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Enable Qt5Widgets_DIR into cmake (GUI)
Dear all, i would like to enable Qt5 form Cmake(GUI) 3.8.2 using OSG 3.5.3 on Windows10. I installed QT 5.8.0 in c:\QT\... and i set environment variable QTDIR to C:\Qt\Qt5.8.0\5.8\msvc2013_64 My focus consits in get osgQtBrowser and osgQtWidgets example projects in osg solutions (visual studio 2013). What i get is: Ungrouped Entries-> Qt5Widgets_DIR = Qt5Widgets_DIR-NOTFOUND Furthermore, several QT -> items are automatically filled with NOFOUND (after Configure process). I must manually fill each items!!! Is there a way to tell CMAKE to fill all qt entries automatically? Thank you in advance Regards Andrea ... Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74643#74643 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgmovie - ffmpeg or Gstreamer
Hi Filippe,
after some hours of disperate fighting against gstreamer pipeline, here the
pipeline that works for play video and audio (mp4) in a correct way:
Code:
gchar *string = g_strdup_printf("filesrc location=%s ! qtdemux name=demux
demux.video_0 ! queue ! video/x-h264 ! avdec_h264 ! videoconvert !
video/x-raw,format=RGB ! appsink name=sink emit-signals=true demux.audio_0 !
queue! faad ! audioconvert ! audioresample ! autoaudiosink ",
filename.c_str());
I don't know if it is the right way, but it works for me. I modified
GStreamerImageStream.cpp , GStreamerImageStream::open method.
Thank you!
Cheers,
Andrea
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Re: [osg-users] osgmovie - ffmpeg or Gstreamer
Hi Filippe, another detail i forgot to write in the previous post. After OSGMOVIE execution, OSGDB::ReaderWriter returns FILE_NOT_HANDLED Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74167#74167 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] osgmovie - ffmpeg or Gstreamer
Hi Filippe, thank you for your reply. Well, i tried front slash string for osgMovie parameters: C:/SVILUPPO/CommonData/Movie/surf360converted.ogg --texture2D --interactive --audio but _width and _height attribute in GStreamerImageStream::open method, continue to be equal to zero, and so this method returns false. After that, i tried to call the same pipeline dynamically created in the open method, with gst_launch-1.0: gst-launch-1.0.exe filesrc location=C:/SVILUPPO/CommonData/Movie/surf360converted.ogg ! decodebin name=deco deco. ! queue ! videoconvert ! video/x-raw,format=RGB ! appsink name=sink emit-signals=true I get the following console message: C:\gstreamer\1.0\x86_64\bin>gst-launch-1.0.exe filesrc location=C:/SVILUPPO/CommonData/Movie/surf360converted.ogg ! decodebin name=deco deco. ! queue ! videoconvert ! video/x-raw,format=RGB ! appsink name=sink emit-signals=true Setting pipeline to PAUSED ... Pipeline is PREROLLING ... Pipeline is PREROLLED ... Setting pipeline to PLAYING ... New clock: GstSystemClock and nothing happens. Then i substitued appsink name=sink with autovideosink, but in this case i get the following error message: C:\gstreamer\1.0\x86_64\bin>gst-launch-1.0.exe filesrc location=C:/SVILUPPO/CommonData/Movie/surf360converted.ogg ! decodebin name=deco deco. ! queue ! videoconvert ! video/x-raw,format=RGB ! autovideosink emit-signals=true Setting pipeline to PAUSED ... Pipeline is PREROLLING ... WARNING: from element /GstPipeline:pipeline0/GstDecodeBin:deco: Delayed linking failed. Additional debug info: ./grammar.y(510): gst_parse_no_more_pads (): /GstPipeline:pipeline0/GstDecodeBin:deco: failed delayed linking some pad of GstDecodeBin named deco to some pad of GstQueue named queue0 ERROR: from element /GstPipeline:pipeline0/GstDecodeBin:deco/GstOggDemux:oggdemux0: Internal data stream error. Additional debug info: gstoggdemux.c(4936): gst_ogg_demux_loop (): /GstPipeline:pipeline0/GstDecodeBin:deco/GstOggDemux:oggdemux0: streaming stopped, reason not-linked (-1) ERROR: pipeline doesn't want to preroll. Setting pipeline to NULL ... Freeing pipeline .. And last, i removed video/x-raw,format=RGB getting the following command line: gst-launch-1.0.exe filesrc location=C:/SVILUPPO/CommonData/Movie/surf360converted.ogg ! decodebin name=deco deco. ! queue ! videoconvert ! autovideosink emit-signals=true In this case video starts correctly. So, i tried to change the pipeline in GStreamerImageStream::open with the following: filesrc location=C:/SVILUPPO/CommonData/Movie/surf360converted.ogg ! decodebin name=deco deco. ! queue ! videoconvert ! appsink name=sink emit-signals=true But, i continue to get _width and _height equal to zero, and the open method returns false and no video play. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74165#74165 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] osgmovie - ffmpeg or Gstreamer
Dear All, i would like to share with you some issues concerning play video streaming (with audio) starting from osgmovie. I already used ffmpeg plugin with sdl2, but i get different results with the same application (osgmovie) and the same video (.mp4 extension) on different PCs: - HP Z440 with geforce gtx 1080 - Alianware (laptop) with 2 graphic board (nvidia geforce gtx 1080 and an internal intel board) On HP, i play video correctly. On laptop video is playing faster. Is it depends on video board configurations? Is there some parameters i can configure on osg:iamgestreamer class or FFmpegImageStream, in order to force frame rate to a specific value? Furthermore, i'm looking for another plugin to use with openscenegraph (i'm using openscenegraph 3.5.3 on windows 10) as alternative of ffmpeg. I see that cmake accepts gstreamer, so i downloaded gstreamer development 1.0. Cmake works correctly, but no change appears on solution sln. I don't know how to proceed to use gstreamer with osgmovie to test some video and audio streaming. Is there any example about? Thank you in advance Kind regards Andrea ... Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74117#74117 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] How to recover osg::ImageStream from Invalid Status
Dear all, i'm using osg::Imagestream with ffmpeg to play an .mp4 video Sometimes happens that imagestream switch to Invalid status and a freeze image appears. In this status image stream doesn't receive any command (play, rewind). Is there a way to recover to PLAYING or PAUSE Status? Thank you! Cheers, Andrea PS: I'm using osg 3.5.3 on windows 10 -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74088#74088 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] OsgMovie ffmpeg and audio (SDL2) - Audio seems to make video slower. Audio has hiccoughing
Hi Lauren, GREAT!!! It's works! Using the 3.0 version of ffmepg, i can play both video and audio correctly. Thank you a lot! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74055#74055 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] OsgMovie ffmpeg and audio (SDL2) - Audio seems to make video slower. Audio has hiccoughing
Hi everyone, i'm using osg3.5.6 on visual studio 2013 (windows 10), and i'm using ffmpeg plugin combined with SDL2 to play video and audio streaming with osgmovie example. If i don't use SDL2 (no audio), video streaming works fine. If i add SDL2 (audio), i get two bad results: 1) video stream get slower 2) Audio has hiccoughing I tryied with some video examples (with different resolutions) but i get the same result. Following, i report audio streaming output displayed on the console: ffmpeg::open(C:\Movie\surfers_360.mp4) size(2048, 1024) aspect ratio 1 Attaching FFmpegAudioStream AudioStream read [] FFmpegAudioStream::setAudioSink( 0277C50FEEE0) Assigning 0277C50FEEE0 image->s()2048 image-t()=1024 aspectRatio=1 SDLAudioSink()::startPlaying() audioFrequency()=48000 audioNbChannels()=2 audioSampleFormat()=4 SampleFormat = SAMPLE_FORMAT_F32 I'm wondering if i should continue with ffmpeg and sdl libraries, or i have to look at another one. In this last case, could you suggest me some way to follow? (link, examples, ...) Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=74033#74033 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] load a osg model with rigged animation (exported by 3dsmax)
Hi to all, it seems that the problem is caused by 3DSmax exporter (both fbx and osgt). I used the blender exporter (fbx) and i was able to load animation. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=72449#72449 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] load a osg model with rigged animation (exported by 3dsmax)
Hi Raymond, unfortunally also with fbx file, animationManager used in osganimationhardware is null. About step : 3DSMax→Blender→osgexport both with 3ds and fbx to blender, model appears very different from the original (mesh and controllers). Does exist other test that i should try? Thank you Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=72447#72447 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] How to load an osg::Image into a qtwidget like Label
Hi, I found a solution : Code: const uchar *qImageBuffer = (const uchar*)myOsgImage->data(); QImage img(qImageBuffer, myOsgImage->s(), myOsgImage->t(), myOsgImage->getRowSizeInBytes(), QImage::Format_RGB888); QPixmap pixmapObject; pixmapObject.fromImage(img); labelSelectedImage->setPixmap(QPixmap::fromImage(img)); // labelSelectedImage is a qt widget It works, but i continue to get some problem with textures which contain alpha channel. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=65361#65361 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] How to load an osg::Image into a qtwidget like Label
Hi, I'm going to create a function which can investigate on each image inside a 3D model. I created a texture visitor which has a list of images belong to 3D model. Now i would like to view each single image inside a qt widget (for example inside a Label). Is there a way to do that? I used the osg image->data() to get unsigned char*, but as i don't know the image type (inside the 3d model), i can't assign this image to the qt widget. Could you give me some suggestions? I found in this forum the inverse solution : how to copy Qimage to osg::image. ;( Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=65360#65360 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] left/right alternating stereo
Hi, i have the same problem I have a system where graphic board (nvidia K5000) must be setted to 60Hz, and a projector able to go to 120Hz (between graphic card and projector there are 2 devices that work only to 60 Hz). To visualize stereo 3D, this system uses a player like butterfly3D (or BINO, http://bino3d.org/doc/bino.html#Overview-1). It loads a syde-by-syde left-right movie (60 Hz) and sends an alternating left-right (60Hz) to projector. The projector (Vivitek D5380U), receives a 60Hz input signal and visualizes a type of stereo (like quad buffer) at 120Hz. It seems to duplicates the frequency. Using Bino, stereo works (quite correctly). I would like to visualize OSG application in stereo mode (using the same approach), on this system. My question is : If i use quadbuffer stereo forcing frequency to 60 Hz, do i get the same result? This becouse i have no side by side source. So i suppose that with a slow quad buffer, i can simulate the alternating output to projector. Is it possible to force quadbuffer to 60Hz? On a common workstation with nvidia quadro 600, using a 60Hz monitor and use quadbuffer stereo, i see the alternating frames slower than on 120 Hz monitor. This is the reason for forcing the quadbuffer to 60Hz. I try to direct execute quadbuffer on the system with openscenegraph application, but i don't see the alternating images (i get also an error : detect OpenGL error 'invalid operation' at after RenderBin::draw(...). I see a single image (like mono view). Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=62389#62389 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] ffmpeg plugin : play a video frame by frame
Hi to all, i looked at osgmovie.cpp. I used seek method of imagstream, but i'm unable to visualize a specified frame (only the pecified frame). Is it possibile to get this result with imagestream? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=58396#58396 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] ffmpeg plugin : play a video frame by frame
Hi everybody, i'm wondering if is it possible to use ffmpeg plugin with OSG 3.0.1, to play a video frame by frame. I compiled osg 3.0.1 with ffmpeg plugin, and i run the osgmovie example with no problem. Now, what i'd like to do, is to play a video frame by frame : i would say to my application (using ffmpeg or other video plugin), to visualize a specific frame. I read the seek method into osg::imagestream. So i wrote the following code: // Note 1: mImagestream is the imagestream associated to video // Note 2: framenum is the frame number to visualize double duration=mImagestream-getLength(); double frame_rate=mImagestream-getFrameRate(); ... double frameTime=1/frame_rate; double t_pos =framenum*frameTime; mImagestream-seek(t_pos); mImagestream-play(); mImagestream-pause(); ... Nothing happens. Are there some suggestions? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=58233#58233 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] [osgPlugins] ffmpeg plugin : play a video frame by frame
Hi everybody, i'm wondering if is it possible to use ffmpeg plugin with OSG 3.0.1, to play a video frame by frame. I compiled osg 3.0.1 with ffmpeg plugin, and i run the osgmovie example with no problem. Now, what i'd like to do, is to play a video frame by frame : i would say to my application (using ffmpeg or other video plugin), to visualize a specific frame. I read the seek method into osg::imagestream. So i wrote the following code: // Note 1: mImagestream is the imagestream associated to video // Note 2: framenum is the frame number to visualize double duration=mImagestream-getLength(); double frame_rate=mImagestream-getFrameRate(); ... double frameTime=1/frame_rate; double t_pos =framenum*frameTime; mImagestream-seek(t_pos); mImagestream-play(); mImagestream-pause(); ... Nothing happens. Are there some suggestions? Thank you! Cheers, Andrea PS: I erroneously posted this topic on general forum too ... sorry! -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=58236#58236 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] plugins dicom compiling error
Hi, i solved the problem using the include file osconfig.h located in dcmtk-3.6.0\build_VS2008\include\dcmtk\config instead of dcmtk-3.6.0\include\dcmtk\config. Moreover, the cmake file of dcmtk should be modified, using /MD instead of /MT click here (http://forum.openscenegraph.org/viewtopic.php?t=8570) Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=55357#55357 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] [osgPlugins] plugins dicom compiling error
Hi to all, after dicom plugin compiling, i get this error : ..\DCMTK\dcmtk-3.6.0\ofstd\include\dcmtk/ofstd/ofstream.h(80) : fatal error C1189: #error : DCMTK needs stringstream or strstream type (i get this error both in debug and release configuration) if i remove from project include dir : ..\DCMTK\dcmtk-3.6.0\ofstd\include i get the following error: ..\dcmtk-3.6.0\dcmdata\include\dcmtk/dcmdata/dcsequen.h(35) fatal error C1083: Impossible to open include file 'dcmtk/ofstd/offile.h': No such file or directory. I'm using osg 3.0.1, visual studio 2008, dcmtk 3.6.0 on window XP (32 bit). I've compiled dcmtk3.6.0 with vs 2008, and i get no errors. Can you suggest me any solution? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=55162#55162 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Multipass rendering with shader
Hi Sebastian, the reason to split the shader effect into two different shaders, is to create a software library ables to apply multiple effect (something like the superposition property) on the same 3D model (or on the total scene). I'm going to investigate on, and i hope to get a good result. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53775#53775 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Multipass rendering with shader
Hi, using your suggestion : texture2D(previousTexture, gl_FragCoord.xy/ vec2(1024.0,512.0)) i think to solve my doubts. Pratically, what i would like to do is to use the color information coming from the first pass, to color the twisted mesh of the second pass (using two different and separate shaders). Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53767#53767 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Multipass rendering with shader
Hi Sebastian,
tahnk you for your suggestions. I have taken some days to study your solutions
and to apply them to my osg application. It seem that something is going on,
but i still get some doubts and some errors.
In the following code, i simulate the use of two shader on the same 3D object
(cessna.osg) using two PRE_RENDER camera : the first shader (test_Pass_0)
change the object's color, the second shader (test_Pass_1) should apply a twist
deformation on the same 3D Object.
Finally, i use the HUD camera to visualize the final effect ( a twisted and
colored cessna).
So, briefly :
I use the PRE_RENDER CAMERA (first Camera) to fill the frame buffer with a
texture (first texture) coming from the first shader.
A second PRE_RENDER CAMERA (second Camera), applies on the same object a twist
deformation (with the vertex shader) and this second camera uses the first
texture to get the color for the second shader (fragment shader). The
second camera fills the FBO for the next camera (HUD camera).
My doubt is : Is this approach correct?
The error is : Warning: detected OpenGL error 'invalid value' at After
Renderer::compile
I get this error after the test_Pass_1.frag. What i see is the cessna.osg
twisted, but completely black (it seems that the test_pass_1.frag doesn't see
the correct sampler2D input (previousTexture) coming from the first shader
(test_Pass_0.frag). (I report a snapshot about the this result).
First i report the osg code.
Code for HUD CAMERA : the image input means the result of the test_Pass_0 shader
Code:
// this code coming from openscenegraph 3 cookbook
osg::Camera* createHUDCamera( double left, double right, double bottom, double
top )
{
osg::ref_ptrosg::Camera camera = new osg::Camera;
camera-setReferenceFrame( osg::Transform::ABSOLUTE_RF );
camera-setClearMask( GL_DEPTH_BUFFER_BIT );
camera-setRenderOrder( osg::Camera::POST_RENDER );
camera-setAllowEventFocus( false );
camera-setProjectionMatrix( osg::Matrix::ortho2D(left, right, bottom,
top) );
camera-getOrCreateStateSet()-setMode( GL_LIGHTING,
osg::StateAttribute::OFF );
return camera.release();
}
// this code coming from openscenegraph 3 cookbook
osg::Geode* createScreenQuad( float width, float height, float scale )
{
osg::Geometry* geom = osg::createTexturedQuadGeometry(
osg::Vec3(), osg::Vec3(width,0.0f,0.0f),
osg::Vec3(0.0f,height,0.0f),
0.0f, 0.0f, width*scale, height*scale );
osg::ref_ptrosg::Geode quad = new osg::Geode;
quad-addDrawable( geom );
int values = osg::StateAttribute::OFF|osg::StateAttribute::PROTECTED;
quad-getOrCreateStateSet()-setAttribute(
new osg::PolygonMode(osg::PolygonMode::FRONT_AND_BACK,
osg::PolygonMode::FILL), values );
quad-getOrCreateStateSet()-setMode( GL_LIGHTING, values );
return quad.release();
}
void ApplyHUDCamera(osg::Texture2D *image, osg::Group* root)
{
std::cout APPLY HUD std::endl;
{
osg::ref_ptrosg::Camera mHudCamera;
mHudCamera = createHUDCamera(0.0, 1.0, 0.0, 1.0);
mHudCamera-addChild( createScreenQuad(1.0f, 1.0f));
osg::ref_ptrosg::StateSet mStateset =
mHudCamera-getOrCreateStateSet();
mStateset-setTextureAttributeAndModes( 0, image );
root-addChild(mHudCamera.get());
}
return;
}
The following code, applies the first shader effect : simply, change object's
color
Code:
osg::Texture2D* SingleTexturePass(osg::Group* root,osg::Node*
viewnode,osg::Vec4 clearColor, int windowWidth, int windowHeight)
{
std::cout FIRST PASS std::endl;
osg::ref_ptrosg::Texture2D firstTexture = new osg::Texture2D;
firstTexture-setTextureSize(windowWidth, windowHeight);
firstTexture-setInternalFormat(GL_RGBA);
firstTexture-setFilter(osg::Texture2D::MIN_FILTER,osg::Texture2D::LINEAR);
firstTexture-setFilter(osg::Texture2D::MAG_FILTER,osg::Texture2D::LINEAR);
firstTexture-setWrap(osg::Texture2D::WRAP_S,osg::Texture2D::CLAMP_TO_BORDER);
firstTexture-setWrap(osg::Texture2D::WRAP_T,osg::Texture2D::CLAMP_TO_BORDER);
//firstTexture-setBorderColor(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
// set up the render to color texture camera.
{
osg::ref_ptrosg::Camera firstCamera = new osg::Camera;
firstCamera-setName(FirstCamera);
// firstCamera-setClearColor(clearColor);
firstCamera-setViewport(0,0,windowWidth,windowHeight);
//firstCamera-setClearStencil(0);
//firstCamera-setClearDepth(0.0);
//firstCamera-setClearAccum(osg::Vec4(1.0,1.0,1.0,1.0));
//firstCamera-setClearMask(GL_COLOR_BUFFER_BIT); // |
GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
//firstCamera-setReferenceFrame(osg::Transform::ABSOLUTE_RF);
//firstCamera-setCullingMode(osg::Camera::VIEW_FRUSTUM_SIDES_CULLING);
//colorCamera-setViewport(the_viewport.get());
Re: [osg-users] Multipass rendering with shader
Hi Sebastian, the first pass works well. I have tested it using the test_pass_0 (vertex and fragment) and the HUD camera. (The result in the attached picture). I'm going to prepare a minimal compileable example. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53719#53719 attachment: Multipass_first_pass_Colored.jpg___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Multipass rendering with shader
Hi Sebastian,
here you can find a minimal compileable example :
Code:
#include osg/Program
#include osgDB/ReadFile
#include osgViewer/Viewer
#include osgDB/FileUtils
#include osg/io_utils
#include osg/Texture2D
#include osg/Group
#include osg/Matrix
#include osg/MatrixTransform
#include osg/PolygonMode
//
// Vertex shader pass 0 : Color
//
char vertexShaderSourcePass_0[] =
varying vec4 COLOR;\n
\n
varying vec2 texcoord;\n
\n
void main(void)\n
{\n
COLOR = gl_Color;\n
gl_Position = ftransform();\n
}\n;
//
// fragment shader pass 0 : Color
//
char fragmentShaderSourcePass_0[] =
varying vec4 COLOR; \n
\n
void main(void) \n
{\n
vec4 newcolor = COLOR;\n
COLOR.r = newcolor.b/2;\n
COLOR.g = newcolor.r/3;\n
COLOR.b = newcolor.g + 0.1;\n
gl_FragColor = COLOR; \n
}\n;
//
// Vertex shader pass 1 : TWIST
//
char vertexShaderSourcePass_1[] =
uniform float time;\n
uniform float height;\n
uniform float angle_deg_max;\n
\n
varying vec2 texture_coordinate;\n
varying vec4 normal, lightDir[3], eyeVec;\n
\n
vec4 DoTwist( vec4 pos, float t )\n
{\n
float st = sin(t);\n
float ct = cos(t);\n
vec4 new_pos;\n
\n
new_pos.x = pos.x*ct - pos.z*st;\n
new_pos.z = pos.x*st + pos.z*ct;\n
new_pos.y = pos.y;\n
new_pos.w = pos.w;\n
return( new_pos );\n
}\n
void main()\n
{ \n
float angle_deg = angle_deg_max*sin(time);\n
float angle_rad = angle_deg * 3.14159 / 180.0;\n
float ang = (height*0.5 + gl_Vertex.y)/height * angle_rad;\n
vec4 twistedPosition = DoTwist(gl_Vertex, ang);\n
// vec4 twistedNormal = DoTwist(vec4(gl_Normal, ang);\n
gl_Position = gl_ModelViewProjectionMatrix * twistedPosition;\n
vec3 vVertex = vec3(gl_ModelViewMatrix * twistedPosition);\n
// lightDir[0] = vec3(gl_LightSource[0].position.xyz - vVertex);\n
// lightDir[1] = vec3(gl_LightSource[1].position.xyz - vVertex);\n
// lightDir[2] = vec3(gl_LightSource[2].position.xyz - vVertex);\n
// eyeVec = -vVertex;\n
// normal = gl_NormalMatrix * twistedNormal.xyz;\n
//gl_TexCoord[0] = gl_MultiTexCoord0;\n
texture_coordinate = vec2(gl_MultiTexCoord0);\n
//gl_Position = ftransform();\n
}\n;
//
// fragment shader pass 1 : TWIST
//
char fragmentShaderSourcePass_1[] =
uniform sampler2D previousTexture; \n
varying vec2 texture_coordinate;\n
\n
void main(void) \n
{\n
vec4 somecolor = texture2D(previousTexture,
gl_TexCoord[0].xy);\n
gl_FragColor = somecolor; \n
}\n;
/*!
* \fn osg::Camera* createHUDCamera( double left, double right, double bottom,
double top )
* \brief Create an HUD Camera (as Post Render). Contains the result of the
shader multiple pass
* this code coming from openscenegraph 3 cookbook
*/
osg::Camera* createHUDCamera( double left, double right, double bottom, double
top )
{
osg::ref_ptrosg::Camera camera = new osg::Camera;
camera-setReferenceFrame( osg::Transform::ABSOLUTE_RF );
camera-setClearMask( GL_DEPTH_BUFFER_BIT );
camera-setRenderOrder( osg::Camera::POST_RENDER );
camera-setAllowEventFocus( false );
camera-setProjectionMatrix( osg::Matrix::ortho2D(left, right, bottom,
top) );
camera-getOrCreateStateSet()-setMode( GL_LIGHTING,
osg::StateAttribute::OFF );
return camera.release();
}
/*!
* \fn osg::Geode* createScreenQuad( float width, float height, float
scale=1.0f)
* \brief Create screen Quad for the HUD Camera
* this code coming from openscenegraph 3 cookbook
*/
osg::Geode* createScreenQuad( float width, float height, float scale=1.0f)
{
osg::Geometry* geom = osg::createTexturedQuadGeometry(
osg::Vec3(), osg::Vec3(width,0.0f,0.0f),
osg::Vec3(0.0f,height,0.0f),
0.0f, 0.0f, width*scale, height*scale );
osg::ref_ptrosg::Geode quad = new osg::Geode;
quad-addDrawable( geom );
int values = osg::StateAttribute::OFF|osg::StateAttribute::PROTECTED;
quad-getOrCreateStateSet()-setAttribute(
new osg::PolygonMode(osg::PolygonMode::FRONT_AND_BACK,
osg::PolygonMode::FILL), values );
quad-getOrCreateStateSet()-setMode( GL_LIGHTING, values );
[osg-users] Multipass rendering with shader
Hi, i'm wondering if is it possible to apply different shaders (vertex and fragment) on the same osg::Node (not entire scene as RTT image) in this way : The result (ouput) of the first vertex/fragment shader must be used as input of the second vertex/fragment shader. In example, i have used a vertex and fragment to get refraction effect. But, unless i write the proper vertex/fragment code in this refraction shader, i loose lights setting coming from osg code. I would like to set lights using a shader (vertex/fragment) on the osg::Node already affected by refraction shader. Is there any example that show how to get it? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53516#53516 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Reflection cube map with shader
Hi hybr(), thank you. Now it works! I have to change something to update the reflected image on camera moving ... i have to check. Thank you again. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53349#53349 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Problem with uniform array
Hi,
i have some problem using osg::Uniform as array to pass to my vertex shader.
I'm using osg 3.0.1 and visual studio 2008 (my video card has opengl 4.1
drivers)
Here my osg code :
Code:
...
program-addShader(vertexfilename);
program-addShader(fragmentfilename);
osg::StateSet* stateset=myModel-getOrCreateStateSet();
stateset-setAttributeAndModes(program);
stateset-addUniform(new osg::Uniform(Kd,osg::Vec3(1.0,0.5,0.5)));
stateset-addUniform(new osg::Uniform(Ks,osg::Vec3(0.5,0.2,0.2)));
stateset-addUniform(new osg::Uniform(Ks,osg::Vec3(0.2,0.1,0.1)));
stateset-addUniform(new osg::Uniform(Shininess,50.0f));
osg::Uniform* arrayIntensity=new
osg::Uniform(osg::Uniform::Type::FLOAT_VEC3,Intensity,2);
arrayIntensity-setElement(0,osg::Vec3f(1.0,1.0,1.0));
arrayIntensity-setElement(1,osg::Vec3f(1.0,0.5,1.0));
Here my vertex code :
Code:
uniform vec3 Intensity[2];
...
vec3 ads( int lightIndex, vec4 position, vec3 norm )
{
vec3 s = normalize( vec3((lights[lightIndex].Position) - position));
vec3 v = normalize(vec3(-position));
vec3 r = reflect( -s, norm );
vec3 I = vec3(Intensity[lightIndex]);
return (I * ( Ka + Kd * max( dot(s, norm), 0.0 ) + Ks * pow( max( dot(r,v),
0.0 ), Shininess ) ));
}
...
I get no errors, but i get no results too. In detail, i'm trying to apply an
ADS shader effects, but if i use the code above, i get a dark object. If i set
statically the intenisty value in my vertex code, i see the expected
visualisation result.
Could it depend on osg version?
Thank you!
Cheers,
Andrea
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Re: [osg-users] Problem with uniform array
Hi Sebastian, sure, i have forgotten to report the following code line in the previous message (but this code line is present in the osg code): stateset-addUniform(arrayIntensity); so the osg code is : Code: program-addShader(vertexShader); program-addShader(fragShader); osg::StateSet* stateset=myModel-getOrCreateStateSet(); stateset-setAttributeAndModes(program); stateset-addUniform(new osg::Uniform(Kd,osg::Vec3(1.0,1.0,1.0))); stateset-addUniform(new osg::Uniform(Ks,osg::Vec3(1.0,1.0,1.0))); stateset-addUniform(new osg::Uniform(Ka,osg::Vec3(1.0,1.0,1.0))); stateset-addUniform(new osg::Uniform(Shininess,50.0f)); osg::Uniform* arrayIntensity=new osg::Uniform(osg::Uniform::Type::FLOAT_VEC3,Intensity,2); arrayIntensity-setElement(0,osg::Vec3f(1.0,1.0,1.0)); arrayIntensity-setElement(1,osg::Vec3f(1.0,0.5,1.0)); osg::Uniform* arrayPosition=new osg::Uniform(osg::Uniform::Type::FLOAT_VEC4,Position,2); arrayPosition-setElement(0,osg::Vec4(0.0,1.0,0.0,0.0)); arrayPosition-setElement(1,osg::Vec4(0.0,-1.0,0.0,0.0)); stateset-addUniform(arrayIntensity); stateset-addUniform(arrayPosition); I'm wondering if the problem could depend on osg version. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53156#53156 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Problem with uniform array
Hi hybr, thank you for your suggestion. With : osg::Uniform* arrayIntensity=new osg::Uniform(osg::Uniform::Type::FLOAT_VEC3,Intensity[0],2); the osg application works correctly. Thank you! Cheers, Andrea PS: I have an nVidia _Quadro FX 4600. -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=53159#53159 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] attribute from osg to vertex
Hi,
i'm finding a lot of difficult to solve this issue: pass uniform and attribute
parameters from osg application to shader.
In particular, referred to attribute (or in) parameter in vertex program :
Code:
#version 150
attribute vec3 Vertex;
attribute vec2 Uv;
uniform mat4 osg_ProjectionMatrix;
uniform mat4 ViewMatrix;
uniform mat4 osg_ViewMatrixInverse;
uniform vec3 ModelScale;
How can i pass these data from my osg application?
Currently, in my osg applycation i use :
Code:
mProgram-addBindAttribLocation(Vertex,0);
mProgram-addBindAttribLocation(Uv,8);
Is it correct?
I looked at an example on OpenSceneGraph 3 cookbook chapter 6, Using the
bump tecnique where to pass these attributes :
Code:
attribute vec3 tangent;
attribute vec3 binormal;
The authors (Rui Wang, Xuelei Qian) use a ComputeTangentVisitor nodevisitor
class to compute tangent and binormal for each vertex:
Code:
class ComputeTangentVisitor : public osg::NodeVisitor
{
public:
void apply( osg::Node node ) { traverse(node); }
void apply( osg::Geode node )
{
for ( unsigned int i=0; inode.getNumDrawables(); ++i )
{
osg::Geometry* geom =
dynamic_castosg::Geometry*( node.getDrawable(i) );
if ( geom ) generateTangentArray( geom );
//setGeometryVertexArray(geom);
}
traverse( node );
}
void generateTangentArray( osg::Geometry* geom )
{
osg::ref_ptrosgUtil::TangentSpaceGenerator tsg = new
osgUtil::TangentSpaceGenerator;
tsg-generate( geom );
geom-setVertexAttribArray( 6, tsg-getTangentArray() );
geom-setVertexAttribBinding( 6,
osg::Geometry::BIND_PER_VERTEX );
geom-setVertexAttribArray( 7, tsg-getBinormalArray()
);
geom-setVertexAttribBinding( 7,
osg::Geometry::BIND_PER_VERTEX );
}
};
and bind them with the following code :
Code:
ComputeTangentVisitor ctv;
ctv.setTraversalMode( osg::NodeVisitor::TRAVERSE_ALL_CHILDREN );
mModel-accept( ctv );
mProgram-addBindAttribLocation(tangent,6);
mProgram-addBindAttribLocation(binormal,7);
But, in my case vertex are already exist. So i suppose to use only :
mProgram-addBindAttribLocation(Vertex,0);
And what about the Uv parameter? The texture i have to pass to fragment, is a
RTT Camera image, on which i would like to apply some effects.
How can i pass these texture coordinates to shader?
About the uniform parameters, is there a way to pass the ViewMatrix?
I used myCamera-getViewMatrix() in my osgapplication, and i set uniform to
this value inside a callback:
Code:
osg::ref_ptrosg::Uniform viewUniformParam = new osg::Uniform(ViewMatrix,
osg::Matrixf());
viewUniformParam-setUpdateCallback( new
ViewMatrixCallback(mApplicationCamera.get()) );
with :
Code:
class ViewMatrixCallback : public osg::Uniform::Callback
{
public:
ViewMatrixCallback(osg::Camera* appcamera):
osg::Uniform::Callback()
{
mApplicationCamera=appcamera;
};
virtual void operator()( osg::Uniform* uniform,
osg::NodeVisitor* nv )
{
osg::Matrix
vmFromCamera=mApplicationCamera-getViewMatrix();
uniform-set( vmFromCamera );
}
protected:
osg::ref_ptrosg::Camera mApplicationCamera;
};
But i get no results.
Could you give me some suggestions?
Thank you!
Cheers,
Andrea
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Re: [osg-users] How to pass ModelMatrix to vertex using osg::Uniform
Hi all,
thank you for your suggestions.
the original vertex code is :
depthField.vert
-
attribute vec3 Vertex;
uniform mat4 ProjectionMatrix;
uniform mat4 ViewMatrix;
uniform mat4 ModelMatrix;
uniform vec3 ModelScale;
varying vec4 vPosition;
void main ()
{
vPosition = ViewMatrix * ModelMatrix * vec4(Vertex * ModelScale, 1.0);
gl_Position = ProjectionMatrix * vPosition;
}
end vertex code
I substitute the uniform variables with the following :
attribute vec3 Vertex;
uniform mat4 osg_ProjectionMatrix;
uniform mat4 osg_ViewMatrix;
uniform mat4 osg_ViewMatrixInverse;
uniform vec3 ModelScale;
varying vec4 vPosition;
void main ()
{
mat4 ModelMatrix=osg_ViewMatrixInverse * gl_ModelViewMatrix;
vPosition = osg_ViewMatrix * ModelMatrix * vec4(Vertex * ModelScale, 1.0);
gl_Position = osg_ProjectionMatrix * vPosition;
}
and in my osg application, i used :
gc-getState()-setUseModelViewAndProjectionUniforms(true);
I didn't get the aspected result.
Do i change also the Vertex attribute and use osg_Vertex?
Where i can find all the osg built-in variables?
Thank you in advance.
Cheers,
Andrea
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[osg-users] How to pass ModelMatrix to vertex using osg::Uniform
Hi to all, i'm trying to visualize the depth field effect in my osg application, using shader (vertex and fragment) from this link http://devmaster.net/posts/3021/shader-effects-depth-of-field The vertex program, requires as uniform the following : uniform mat4 ProjectionMatrix; uniform mat4 ViewMatrix; uniform mat4 ModelMatrix; uniform vec3 ModelScale; So, in my osg application, i suppose to pass : myProgram-addShader(mVertexShader.get()); myProgram-addShader(mFragShader.get()); mStateset = mMyModel3D-getOrCreateStateSet(); mStateset-setTextureAttributeAndModes(new osg::Uniform( ProjectionMatrix, myCamera-getProjectionMatrix() )); mStateset-setTextureAttributeAndModes( new osg::Uniform(ViewMatrix, myCamera-getViewMatrix() )); mStateset-setAttributeAndModes(mProgram.get()); ... Does it correct? How can i pass also mat4 ModelMatrix and vec3 ModelScale? mStateset-addUniform( new osg::Uniform(ModelMatrix,??? ) ); mStateset-addUniform( new osg::Uniform(ModelScale, myMatrixTransformObject-getMatrix().getScale() ) ); // ??? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=52819#52819 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] How to Keep model color aven if shaders are applied
Hi Robert, thank you for your replay. I'm going to check how to reproduce the same materials and colors on 3d model with shaders. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=52278#52278 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] How to Keep model color aven if shaders are applied
Hi Glenn, thank you for your suggestions. Can i do the same thing also with materials? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=52281#52281 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] How to Keep model color aven if shaders are applied
Hi all, thank for your suggestions. Now 3d model keeps its color and material also afeter shader applying. thank again Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=52283#52283 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] 3D Modeler for OpenScenegraph
Hello Jean-Sébastien, thank you for your suggestion. I will look on 3DS MAX Blender. I hope to find a plugin that allows me a complete scene control. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=48519#48519 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] 3D Modeler for OpenScenegraph
Hi, so far, to display a 3D model with a hierarchy of nodes already included in the model (such as DOF, SWITCH, LOD, ...), I used Multigen Creator, with models in flt format. There is the possibility of having a 3D model (not Multigen creator) that contains this hierarchy? For example, if you want to model a mechanical arm with Multigen, you can put DOF nodes in place of the elbow and the wrist. Then, in OSG, you can read these nodes and move mecchanical arm and wrist. There is another 3D modeling software (no Multigen Creator) that allows me to read such information from the model, without which software I should have to manually insert a DOF node in the tree scene? Do you think Blender can do that? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=48481#48481 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] 3D Modeler for OpenScenegraph
Hi Andreas, thank you for your quick answer. I'm looking about software like : Blender, Lightwave, Maya and/or particolar exporter (i.e. Collada) Thank you! Cheers, Andrea Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=48483#48483 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Change Texture in a given 3D model
Hi,
thank you for your answer.
I solved using :
osg::Geode* mGeodeWhoHasTexture; // Geode with texture
osg::ref_ptrosg::Texture2D mGeodeTexture;
osg::ref_ptrosg::Image mOriginalImage; // original image
osg::ref_ptrosg::Image mImageOne; // new image
// After image load
...
mGeodeTexture=dynamic_castosg::Texture2D*
(mGeodeWhoHasTexture-getDrawable(0)-getStateSet()-getTextureAttribute(Channel,osg::StateAttribute::TEXTURE));
if (mGeodeTexture.get())
{
mOriginalImage = mGeodeTexture-getImage();
mGeodeTexture-setImage(mImageOne.get());
}
Is there a way to load all the images during start application to avoid
waiting time during image switching?
Beccouse each time i load a new image, i see a rescaling process. (i don't want
to rescale image) that could take some seconds.
Thank you!
Cheers,
Andrea
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[osg-users] Change Texture in a given 3D model
Hi, is it possibile change texture image of a given 3D model? I have a 3D model coming from lightwave. I know the node* where i can find the texture (i.e Sun.tga). I'm wondering if is it possibile to change the SUN texture with another one (i.e MOON.tga) that has the same resolution. Moreover that texture would be applied in the same way of the previous one. PS: The only information i have is the name of the surface (geode) that contains the texture (created with uv map). Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=44974#44974 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] osg::Manipulator TabBoxDragger and Clipnode
Hi, ... a hope Is there a class, like osgManipulator::TabBoxDragger and relative DraggerCall back that allows object (osg::Node* ) clipping instead of resize or moving? In this mode, picking on a box's plane, it is possible to cut the 3D model inside the box on a fixed direction (one for each plane). Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=44365#44365 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Sectional plane on DICOM
Hi to all, I probably made a mistake in formulating the previous post. What I would try to do, is the cutting plane on a volume (OSG:: volume). In the previous version of OsgVolume example, there was a --clip parameters (now deprecated). Is there a way to simulate a clip plane on a Volume? Should I work on the shader parameter? Like : osgVolume::AlphaFuncProperty* ap = new osgVolume::AlphaFuncProperty(alphaFunc); osgVolume::SampleDensityProperty* sd = new osgVolume::SampleDensityProperty(0.005); osgVolume::TransparencyProperty* tp = new osgVolume::TransparencyProperty(1.0); osgVolume::TransferFunctionProperty* tfp = transferFunction.valid() ? new osgVolume::TransferFunctionProperty(transferFunction.get()) : 0; Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=44233#44233 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Sectional plane on DICOM
Hi, in osgVolume example, using --manipulator parameter, allows to cut the volume as a cut plan (or clipplane). Hoping it could be useful. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=44235#44235 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Sectional plane on DICOM
Hi Robert, thank you for your suggestion. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=44238#44238 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] [osgPlugins] Sectional plane on DICOM
Hi to all, i'm looking for visualize and ispection a Volume got from dicom files. I'm using osg 3.0.1 and dcmtk 3.6, vith vs 2008. Osg volume example, shows how to load a dicom volume data. But, i'm wondering if is it possible to create a Sectional Plane (like cut plane) on dicom Volume using osg 3.0.1 and dcmtk 3.6? Is there any example about? Which class and methods sholud i consider? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=44219#44219 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] [osgPlugins] Compiling osg dicom plugin with dcmtk isuue
Hi, i'm looking for compiling osg dicom plugin. I have osg 2.8.2 and i downloaded dcmtk source code 3.6.0 from http://dicom.offis.de/dcmtk. First i have compiled dcmtk ... all ok. Then, i get no error from compiling of ReaderWriterDICOM.cpp in Plugins dicom. But i get Errors (only 113!!!) in linking process, like this : dcmdata.lib(vrscan.obj) : error LNK2001: external symbol public: bool __thiscall log4cplus::Logger::isEnabledFor(int)const (?isEnabledFor@Logger@log4cplus@@QBE_NH@Z) unsolved. dcmdata.lib(dcpixseq.obj) : error LNK2001: external symbol public: void __thiscall log4cplus::Logger::forcedLog(int,class OFString const ,char const *,int,char const *)const (?forcedLog@Logger@log4cplus@@QBEXHABVOFString@@PBDH1@Z) unsolved dcmimgle.lib(dimomod.obj) : error LNK2001: external symbol public: bool __thiscall log4cplus::Logger::isEnabledFor(int)const (?isEnabledFor@Logger@log4cplus@@QBE_NH@Z) unsolved (only for dmcimgle.lib and dcmdata.lib files). I'm using VS2005. I quite sure to set the correct path for include and lib files. (I suppose) Could it depend on dcmtk version? Could someone give me some suggestions? Thank you in advance. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=43553#43553 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Compiling osg dicom plugin with dcmtk isuue
Hi Robert, thank you for your reply. I was hoping to build the plugin with osg 2.8.2 for compatibility with other modules. But, if there are no way to compile, i'm forced to do that. Thank you again. Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=43559#43559 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Compiling osg dicom plugin with dcmtk isuue
Hi Robert, I will do a first test in this way. As soon as I can, I will move to the new version. I will post the result Thank you! Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=43563#43563 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Error compiling fbx plugin
Hi Michael, i have installed fbx sdk 2010.2 and i'm using openscenegraph 2.8.4 But, unfortunally, i have the same error during compile time : ..\..\..\..\src\osgPlugins\fbx\ReaderWriterFBX.cpp(233) : 'fbxsdk_201002::KFbxImporter::Initialize' : no overloaded function takes 2 arguments Maybe, i'm doing something wrong, but i don't understand what. Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39198#39198 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Animate a 3D model using osg::Animation and bvh plugin
Hi, I would like to use osg_bvh plugin and osg:animation to animate a 3D model that has DOFTransform nodes. But i don't understand how use osgAnimation::Skeleton, osgAnimation::Animation, osgAnimation::BasicAnimationManager, osgAnimation::Bone. To animate a single DofTransform nodes inside model (i.e. head) i traverse 3D model, but how can i get information by bvh? I use : osg::Node* loadedModel = osgDB::readNodeFile(SimpleWalk.bvh); but i don't know how to get information about head rotation. Moreover, if i don't use osgAnimation Classes, i can set hpr bvh info to each DofTransform ... but it could be an hard work. I suppose that it could be more simpler using osganimation. Could you give me some suggestions? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39103#39103 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Error compiling fbx plugin
Hi Michael, thank you for answer. I have followed suggestion on : http://www.openscenegraph.org/projects/osg/wiki/Support/UserGuides/Plugins; where, about fbx plugin there is the follo sugestion : Requires version 2011.3.1 (static libraries) of the FBX SDK. If you have problems loading an FBX model please check that it works in Autodesk's FBX QuickTime Viewer first to see if the model was correctly exported. I have download the fbx sdk from : http://usa.autodesk.com/adsk/servlet/pc/item?siteID=123112id=10775892;. Maybe, do you mean i have to use the 2010.0.2 sdk version? (static or dynamic) What version of openscenegraph i can use? I'll inform you about version working ok with 2.8.3 ... if i find it! Thank you again. Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38725#38725 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Error compiling fbx plugin
Hi to all,
i have tried also to compile osg 2.8.3 fbx plugin, with fbx sdk 2010.0.2.
In this case, i get only one compiling error :
..\..\..\..\src\osgPlugins\fbx\ReaderWriterFBX.cpp(233) : error C2661:
'fbxsdk_201002::KFbxImporter::Initialize': no overloaded function takes 2
arguments
The error line code is :
if (!lImporter-Initialize(utf8filename.c_str(), fileFormat))
{
return std::string(lImporter-GetLastErrorString());
}
becouse Initialize accept only one input parameters.
Infact, from intellisense, i see :
virtual bool fbxsdk_201002::KFbxImporter::Initialize(const char * pFileName)
virtual bool fbxsdk_201002::KFbxImporter::Initialize(fbxsdk_201002::KFile
*pFileName)
Is there a way to use fbx plugin with openscenegraph 2.8.3?
Thank you!
Andrea
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[osg-users] [osgPlugins] Error compiling fbx plugin
Hi, i would like to use fbx plugin with openscenegraph. I'm using openscenegraph 2.8.4 (Windows Xp, VisualStudio 2005), and fbx sdk 2011.3.1 (static). During file compiling, i get : fbxRNode.cpp - OK fbxRMesh.cpp - Error ..\..\..\..\src\osgPlugins\fbx\fbxRMesh.cpp(244) : error C2039: 'GetTakeNodeCount': is not a member of 'fbxsdk_2011_3_1::KFbxNode' ..\..\..\..\src\osgPlugins\fbx\fbxRMesh.cpp(246) : error C2039: 'GetTakeNodeName': is not a member of 'fbxsdk_2011_3_1::KFbxNode' fbxRLight.cpp - OK fbxRCamera.cpp - Ok fbxRAnimation.cpp - error ..\..\..\..\src\osgPlugins\fbx\fbxRAnimation.cpp(225) : error C2039: 'GetTakeNodeCount': is not a member of 'fbxsdk_2011_3_1::KFbxNode' ..\..\..\..\src\osgPlugins\fbx\fbxRAnimation.cpp(227) : error C2039: 'GetTakeNodeName': is not a member of 'fbxsdk_2011_3_1::KFbxNode' fbxMaterialToOsgStateSet.cpp - Ok ReaderWriterFBX.cpp - Error (12 errors) (one of them) ..\..\..\..\src\osgPlugins\fbx\ReaderWriterFBX.cpp(95) : error C2039: 'IOSettingsRef': is not a member of 'fbxsdk_2011_3_1::KFbxIOSettings' WriterNodeVisitor.cpp - error (one of them) ..\..\..\..\src\osgPlugins\fbx\WriterNodeVisitor.cpp(494) : error C2039: 'SetDiffuseTextures': is not a member of 'fbxsdk_2011_3_1::KFbxLayer' Could you suggest me how to solve these problems? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38671#38671 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Error compiling fbx plugin
Hi, i have compiled fbx plugin also with openscenegraph 2.8.3 and 2.9.6 (using fbx sdk 2011.3.1) but i have compiling errors too. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=38691#38691 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Material and SetTrasparancy
Hi,
i'm looking for give to an 3d object, some transparent value (not completely
transparency) . So, i'm starting from osgclip example, to make trasparent (with
0.5 opacity) the wireframe part of the cow.
part of the c++ code :
osg::Node* decorate_with_clip_node(osg::Node* subgraph)
{
...
float Opacity=0.5;
osg::Material * material = (osg::Material *)
wireframe_subgraph-getOrCreateStateSet()-getAttribute(osg::StateAttribute::MATERIAL);
material-setTransparency(osg::Material::FRONT_AND_BACK, 1. - Opacity);
wireframe_subgraph-getStateSet()-setRenderBinDetails(0,
transparent);
wireframe_subgraph-getStateSet()-setMode( GL_BLEND,
osg::StateAttribute::ON );
wireframe_subgraph-getStateSet()-setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
wireframe_subgraph-getStateSet()-setAttributeAndModes(material,
osg::StateAttribute::OVERRIDE);
wireframe_subgraph-addChild(subgraph);
rootnode-addChild(wireframe_subgraph);
...
At runtime, at :
material-setTransparency(osg::Material::FRONT_AND_BACK, 1. - Opacity);
i get the following error :
Access violation in the writing of the address ...
and the check is on the following methods:
void Material::setTransparency(Face face,float transparency)
{
//clampBetweenRange(transparency,0.0f,1.0f,Material::setTransparency());
if (face==FRONT || face==FRONT_AND_BACK)
{
_ambientFront[3] = 1.0f-transparency; // I get error here
_diffuseFront[3] = 1.0f-transparency;
_specularFront[3] = 1.0f-transparency;
_emissionFront[3] = 1.0f-transparency;
}
if (face==BACK || face==FRONT_AND_BACK)
{
_ambientBack[3] = 1.0f-transparency;
_diffuseBack[3] = 1.0f-transparency;
_specularBack[3] = 1.0f-transparency;
_emissionBack[3] = 1.0f-transparency;
}
}
Could you suggest me to solve this problem?
Thank you!
Cheers,
Andrea
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Re: [osg-users] Material and SetTrasparancy
Hi, I solved. The Problem is a null pointer of material, after : osg::Material * material = (osg::Material *) wireframe_subgraph-getOrCreateStateSet()-getAttribute(osg::StateAttribute::MATERIAL); command. I solved simply in this way : osg::Material * material = new osg::Material(); material-setTransparency(osg::Material::FRONT_AND_BACK, 1. - Opacity); wireframe_subgraph-getOrCreateStateSet()-setRenderBinDetails(0, transparent); wireframe_subgraph-getOrCreateStateSet()-setMode( GL_BLEND, osg::StateAttribute::ON ); wireframe_subgraph-getOrCreateStateSet()-setRenderingHint(osg::StateSet::TRANSPARENT_BIN); wireframe_subgraph-getOrCreateStateSet()-setAttributeAndModes(material, osg::StateAttribute::OVERRIDE); ... Sorry. Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=37886#37886 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] More than one ClipNode and ClipPlane
Hi Robert, following your suggestions, i solved my doubts. This is the correct code: ... // cylinder : osg::ClipNode* cnCylinder=new osg::ClipNode(); cnCylinder-addChild(cylinderModel); groupCylynder-addChild(cnCylinder); clipPlaneForCylinder=new osg::ClipPlane(); planeForCylinder=new osg::Plane(NormalCylinder,CenterCylinder); clipPlaneForCylinder-setClipPlane(planeForCylinder); // Important to manage multiple clipnode clipPlaneForCylinder-setClipPlaneNum(0); cnCylinder-addClipPlane(clipPlaneForCylinder); cnCylinder-setCullingActive(false); Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=37251#37251 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [osgPlugins] Shader from Rendermonkey : Collada plugin
Hi, i'm sorry the second question in the post above was my typing error in the project properties (i have written .dll instead .lib). So i can compile plugin DAE correctly with openscenegraph 2.8.2. But i get the same warning message of 2.8.0 : unsupported effect profile profile_GLSL. when i load a dae file (created with rendermonkey) in osgviewer. Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=18073#18073 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] [osgPlugins] Shader from Rendermonkey : Collada plugin
Hi, i have Only 2 questions ... about shaders! I would like to use shaders created with rendermonkey 1.81 and exported as collada 1.4.1. I'm using OpenScenegraph 2.8.0 and 2.8.2. First question: Using Osg 2.8.0 I run viewer.exe with myfile.dae (a specular bump effect with teapot as model). The result is a black teapot with some red effect. On the console system reports unsupported effect profile profile_GLSL! What does it mean? What is the solution? Where i can find supported and unsupported effect? (I have an NVIDIA QUADRO FX 4600, and rendermonkey render my teapot correctly!) Second question: Using Osg2.8.2 I have download the collada package and i have compiled the vc8 dom 1.4 solution correctly (release and debug). With CMAKE i get the new openscenegraph solution with DAE plugin. But ... when i compile openscenegraph solution, in the linking phase, compiler says : dom\build\vc8-1.4-d\libcollada14dom21-d.dll : fatal error LNK1107: file damaged or not valid! What is wrong? Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=17974#17974 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [vpb] Some questions about VPB and cloud of points
Hi, ... Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=16766#16766 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [vpb] Some questions about VPB and cloud of points
Hi Jagovic, thank you for your suggestion. I've tried 3Dem ... but what i mean is to find a procedure that i can use to design and develop inside a software application (using technologies like osg, gdal, vpb, osgearth,...). So i can create and visualize automatically my row data. Using 3Dem, instead, i can't realize this automatic procedure, but i need to use different software applications. Thank you again! Andrea PS: Sorry, i have posted a blank email above! :( -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=16767#16767 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] [vpb] Some questions about VPB and cloud of points
Hi Glenn, thank you for your answer. What do you think about the first question? Can i create a dem file starting from a cloud of points using osgdem? This cloud of points is an ascii file with n rows each one with x,y,z values. These values are referred to a coordinate system (i know this one). If i do that, i can create earth and seaground with osgdem then i will assembly them with osgearth. Is it right? Thank you! Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=16732#16732 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] [vpb] Some questions about VPB and cloud of points
Hi to all, i would like to create or use a software application ables to visualize a seaground (get from a cloud of points) 3d model inside earth model created by osgdem. I'm wondering if VPB, OsgEarth or osgGIS are the correct technologies to solve my problem. Some questions : 1) Can i create a DEM file from a cloud of points (I have information about its coordinates) using osgdem? 2) How i can add the DEM file obtained from previous question (or a generic 3d model) to earth model created by osgdem? 3) I have created the earth model with osgdem using blu marble image from nasa web site. The best image resolution get from this website is too far from the ground (i think that image was taken from about 900 km of quote). I would like to insert or ADD 3d model of my clouds of point (the seaground), in DEM format, and i would like to visualize this model only at a certain level (i.e. after the last level created by osgdem). Hoping my questions could be enough clear ... Thank you! Cheers, Andrea -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=16639#16639 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] OSGEARTH cmake problem
Hi to all, i'm trying to compile osgearth using svn source code and cmake 2.4.8. I'm using windows XP, Visual studio 2005 sp1. I have correctly installed Openscenegraph 2.6.1 with its dependencies. Cmake configuration need OSG_GEN_INLUDE_DIR and OSG_DIR parameters. Where i can point this folder? Without these information i can't create the solution sln of osgearth project. Could anyone help me? Thank you in advance. Bye, ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Quicktime osgplugin compile error with eclipse + mingw
Well, in my msys shell, in the correct build folder created by CMAKE 2.6.0, i type follow command : $mingw32-make VERBOSE=1 2makeResult.log to get error(?) message in a log file (i.e. makeResult.log) I have no compile problem if i exclude from cmake the quicktime plugin. But if i include quicktime plugin (i have taken quicktime sdk 7.1 from official web site) i get error reported in http://pastebin.com/m74380111 Bye. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Quicktime osgplugin compile error with eclipse + mingw
Hi, i get 2 errors in tha last two line of log reported in : http://pastebin.com/m74380111 I have compiled with -Wno-multichar , but i still continue get the same warnings and error. Thanx. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Quicktime osgplugin compile error with eclipse + mingw
Hi, i get 2 errors in tha last two line of log reported in : http://pastebin.com/m74380111 I have compiled with -Wno-multichar , but i still continue get the same warnings and error. Can you paste the entire output of mingw32-make VERBOSE=1 including stdout and stderr? Hi, i put the entire output at web site url : http://pastebin.com/m72a3d0d2 bye. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Quicktime osgplugin compile error with eclipse + mingw
Hi Philip, thank for your answer. I have searched gl.h include file in my fyle system, and i get this include file both in c:\mingw\include and visual studio path directory. Gl.h comes from visual studio directory contains the extension GL_BGRA_EXT and gl.h that comes from mingw has not. If i compile osg plugins with visual studio i have no problem. So i suppose that mingw must be updated with new opengl include and library. I have tried to use gl.h and glext.h from visual studio folder in mingw, but mingw gives me error! How i can update mingw to get the right gl extension? I have an nvidia quadro fx 4600 on window xp. bye. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] Quicktime osgplugin compile error with eclipse + mingw
Hi, i have used Robert's suggestion. I have added : #ifndef GL_BGRA_EXT #define GL_BGRA_EXT 0x80E1 #endif in MovieData.h. Previuos problem SOLVED. THANX :) Now i get another error : For each .h file in CInclude directory of QuickTime SDK folder, i get : warning: multi-character character constant and warning list ended with this error. mingw32-make[2]: *** [src/osgPlugins/quicktime/CMakeFiles/osgdb_qt.dir/MovieData.obj] Error 1 mingw32-make[1]: *** [src/osgPlugins/quicktime/CMakeFiles/osgdb_qt.dir/all] Error 2 mingw32-make: *** [all] Error 2 ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] Quicktime osgplugin compile error with eclipse + mingw
Hi guys, i have some problem when i try to compile quicktime osg plugin and openscenegraph 2.2.0. I'm going to compile openscenegraph 2.2.0 with minGW 3.14 and Eclipse 3.3.2 using CMake 2.6.0. I have downloaded quicktime SDK (version 7.1) and i have specified include and lib variables in CMAKE gui application. I'm using msys to compile openscenegraph, but at osgplugins QuickTime i get this error: O:\OpenSceneGraph-2.2.0\OpenSceneGraph\src\osgPlugins\quicktime\MovieData.cpp: In member function `void MovieData::_initImage(osg::Image*)': O:\OpenSceneGraph-2.2.0\OpenSceneGraph\src\osgPlugins\quicktime\MovieData.cpp:115: error: `GL_BGRA_EXT' was not declared in this scope mingw32-make[2]: *** [src/osgPlugins/quicktime/CMakeFiles/osgdb_qt.dir/MovieData.obj] Error 1 mingw32-make[1]: *** [src/osgPlugins/quicktime/CMakeFiles/osgdb_qt.dir/all] Error 2 mingw32-make: *** [all] Error 2 Could anyone gives me any suggestion? Thanx. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
[osg-users] loading thousands of images!
Hi guys, i'm using osg 1.2. I would like to load a lot of images (15000 jpeg files) in memory using an osg:image vector ( std::vectorosg::image), but i receive something like a memory bug when i arrive to load the 400th image (if i load i.e. 380 images i have no problem). Initally i have supposed to load all images (30 kbyte for each image) in a std:vectorosg:image. I have seen that osg:imagestream also exists. What is the difference between image and imagestream? where i can find more information on how to use these classes? Is there a tutorial or example that explain how to use them? I have taken look on quicktime plugin, but both version and topic inside plugin (quick time plugin try to convert video streaming into image, my problem is to load a lot of images!) don't allow me to use it. Also, i have tought to use two separate threads one for image folder loading, and the second for visualize image, but visualization thread is two time faster then loading thread (and i have only a buffer of 400 images available!). Any suggestion? Bye. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
