[osg-users] 回复: Re: 回复: Re: blink q uestion!

2008-10-27 Thread YangXiao
Thanks a lot ,I already do these in a update callback. But blink continue exist. This is my code: ResultCode ExpCntl::startPaint(HINSTANCE hinstance) { ResultCode rslt = SUCCESS; DWORD paintThreadID; HANDLE paintThreadHandle; paintThreadHandle = CreateThread(NULL, 0, PaintThread,

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Ralf Stokholm
Hi Alejandro Im not 100% here, but I think you still need to specify some sort of projection basis, even plain lat lon uses some defenition of the geoid like WGS84 og similar. Natrally it could be a problem with you GTiff file. What version of VPB OSG are you using? Brgs. Ralf 2008/10/27

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Ümit Uzun
Hi Alejandro, VPB is only understand well referenced WGS84 formatted data. So I advice you to use referenced images to create your terrain, if you are not familiar with reference data manipulation on images you should download prepared referenced data from http://seamless.usgs.gov/index.php or

Re: [osg-users] 回复: Re: 回复: Re: blink qu estion!

2008-10-27 Thread Wang Rui
Hi, YangXiao What have you done to your widget handle (hWndPaint) in rootCallback? Please do not update the handle by yourself. Also plz don't send such long code here. It brings trouble to others ... Wang Rui 2008/10/27 YangXiao [EMAIL PROTECTED] Thanks a lot ,I already do these in a update

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Robert Osfield
Hi Umit, On Mon, Oct 27, 2008 at 7:36 AM, Ümit Uzun [EMAIL PROTECTED] wrote: VPB is only understand well referenced WGS84 formatted data. This is not correct, VPB can handle a wide range of projections, including no projections if your manually provide the projections. However, I would very

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Ümit Uzun
Hi Robert, Thanks for clarification. But I remember that, VPB can manipulate only WGS84 referenced data. But it may be valid for only BlueMarble viewer. Sorry for wrong comment :) Best Regards. Umit Uzun 2008/10/27 Robert Osfield [EMAIL PROTECTED] Hi Umit, On Mon, Oct 27, 2008 at 7:36 AM,

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Robert Osfield
Hi Umit, On Mon, Oct 27, 2008 at 9:25 AM, Ümit Uzun [EMAIL PROTECTED] wrote: Thanks for clarification. But I remember that, VPB can manipulate only WGS84 referenced data. But it may be valid for only BlueMarble viewer. Sorry for wrong comment :) When building geocentric databases VPB

Re: [osg-users] animtk release 0.0.9

2008-10-27 Thread John Vidar Larring
Hi Cedric, I'm excited about the prospect of an LGPL'd osgAnimation. I tried checking out the animtk repository with mercurial, but no luck: % hg clone http://hg.plopbyte.net/animtk requesting all changes adding changesets abort: could not import module directory! transaction abort! rollback

[osg-users] I need to write an ive plugin.

2008-10-27 Thread Viggo Løvli
Hi, I have written a new class which inherit from osg::Group. I have written a plugin for the .osg file format, that works fine. I need to write a plugin for the .ive file format. My initial thought was to copy-paste the ive::LOD code and replace the actual read/write parts according to my

Re: [osg-users] I need to write an ive plugin.

2008-10-27 Thread Robert Osfield
Hi Viggo, I'm afraid the .ive format is not extensible, the only way to add to it is to directly modify the sourceof the ive plugin. Long term I want to introduce a binary .osg format that is extensible, but I don't have the time available right now to tackle this. Robert. On Mon, Oct 27, 2008

Re: [osg-users] animtk release 0.0.9

2008-10-27 Thread Cedric Pinson
Hi John, I guess it comes from the version of mercurial you are using. I tried because of your post, and it works. hg clone http://hg.plopbyte.net/animtk destination directory: animtk requesting all changes adding changesets adding manifests adding file changes added 323 changesets with 1620

Re: [osg-users] animtk release 0.0.9

2008-10-27 Thread Cedric Pinson
Hi Robert, I guess i can use the same branch of Jeremy to start the integration. Most of the time I interact with Jeremy so using the same branche is good for me. I will follow your suggestion for integration. Cheers, Cedric Robert Osfield wrote: Hi Cedric, On Fri, Oct 24, 2008 at 6:52

Re: [osg-users] Load animated model?

2008-10-27 Thread Tuan Do
This problem was solved in the past. http://groups.google.com/group/osg-users/browse_thread/thread/b9725f6566bd92f3/700f0659ed89598e?lnk=gstq=animate+model#700f0659ed89598e Please search the group before posting. Hĩ ;) ___ osg-users mailing list

Re: [osg-users] Call for feedback : AC3D loader behavior w.r.t texture repeat and clamping

2008-10-27 Thread Robert Osfield
Hi Melchior, On Fri, Oct 24, 2008 at 8:36 PM, Melchior FRANZ [EMAIL PROTECTED] wrote: * Robert Osfield -- Friday 24 October 2008: But it doesn't really say anything about the how the texture wrap modes map to this, if at all. I can't say that either, but the current situation is bad.

Re: [osg-users] animtk release 0.0.9

2008-10-27 Thread John Vidar Larring
Thanks Cedric, Instead of using the pre-built binary (version 0.9.4), I downloaded and compiled mercurial from source (version 1.0.2), and clone (a.k.a. checkout) worked like a charm. Hope this is helpful for other first-time mercurial / animtk users;) Best regards, John Cedric Pinson

[osg-users] strange behavior on stereo rendering

2008-10-27 Thread adorn
Hello, I'm trying to get working stereo for a three sided CAVE. I use a stereo matrices callback which overrides the stereo matrix calculations in the osgUtil::SceneView class. But i only can see the output for the right buffer, the left buffer will never used. I printed out with

[osg-users] gluScaleImage() returns out of memory

2008-10-27 Thread Can T. Oguz
Hi, I'm receiving an out of memory error while trying to scale an image. File : Image.cpp Line : 839 (2.6.1) In Image::scaleImage(), gluScaleImage() returns 1285 : out of memory. Any ideas? Can ___ osg-users mailing list

Re: [osg-users] gluScaleImage() returns out of memory

2008-10-27 Thread Glenn Waldron
Usually this means you don't have an active GL graphics context, which unfortunately gluScaleImage requires. -gw Glenn Waldron : Pelican Mapping : http://pelicanmapping.com : +1.703.652.4791 On Mon, Oct 27, 2008 at 8:44 AM, Can T. Oguz [EMAIL PROTECTED] wrote: Hi, I'm receiving an out of

Re: [osg-users] gluScaleImage() returns out of memory

2008-10-27 Thread Tomlinson, Gordon
First guess 'Are you doing this in process with a valid graphics context' Might help if you provided some basic info such as How are you scaling the image (code) What version of osg What OS how big is the image What type of image is it Graphics card etc. have you tried debug the issue?

Re: [osg-users] gluScaleImage() returns out of memory

2008-10-27 Thread Can T. Oguz
Hi, Yes, I've read the previous posts and I have a valid context. I have even made the calls after the first frame() is executed (to ensure the context) Source image is 512x217 Dest image is 50x20 OS : Win XP Image iss JPG, GL_RGB Card : NVidia 8800 GT OSG : 2.6.1 and the code is : for (UINT

Re: [osg-users] gluScaleImage() returns out of memory

2008-10-27 Thread Robert Osfield
Hi Can, You make no mention where about your call the scaleImage from, there is chance that you think you are calling it from a thread with the graphics context but don't. Without more info about your usage there isn't anyone else can say. Please remember the OSG is multi-threaded, and by

Re: [osg-users] gluScaleImage() returns out of memory

2008-10-27 Thread Can T. Oguz
Hi, I'm running OSG in single threaded mode and making the calls right after the context setup code, but if you think that the scaling operation needs to be done within the OSG's inner threads; then there's no chance that I could use this function. If you suggest an alternative, I'll follow.

Re: [osg-users] Problem with computeIntersections for nodes below post render camera

2008-10-27 Thread Chris Denham
Hi Robert, For my usage of computeIntersections, as I said, I put the test scene into the osgpick example. From there it is quite clear that the picking results do not return what I believe most people will expect for that scene. I was aware that the computeIntersections method is a wrapper

[osg-users] setViewMatrixAsLook at and getViewMatrixAsLookAt

2008-10-27 Thread Renan Mendes
Hi, I am using these two methods: setViewMatrixAsLookAt(eye, center, up) and getViewMatrixAsLookAt(eye, center, up) with the viewer's camera in this order and WITHOUT manipulating the camera elsewhere in my code. I don't have much experience with OSG but isn't the last method supposed to

Re: [osg-users] gluScaleImage() returns out of memory

2008-10-27 Thread Robert Osfield
Hi Can, The osgViewer::Viewer by default now releases the context after frame() even in single threaded - this is required to handle users calling multiple viewers from one frame loop. In include/osgViewer/ViewerBase you'll find the method: /** Hint to tell the renderingTraversals()

Re: [osg-users] setViewMatrixAsLook at and getViewMatrixAsLookAt

2008-10-27 Thread Paul Martz
The center isn't stored in the matrix, of course. Once the matrix is constructed, the center could be any random point along the view direction vector. You'll need to specify an eye distance, or scale the value yourself. -Paul _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On

Re: [osg-users] setViewMatrixAsLook at and getViewMatrixAsLookAt

2008-10-27 Thread Robert Osfield
Hi Renan, The answer to your problem can be found in the implementation of the getViewMatrixAsLookAt(), note the last optional parameter. /** Get to the position and orientation of a modelview matrix, using the same convention as gluLookAt. */ void

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Alejandro Aguilar Sierra
Hi Ralph, I am using the last versions from svn. Perhaps this warning from gdalinfo gives a hint on what is wrong with this data? gdalinfo volcanes.tif Warning 1: TIFFReadDirectory:volcanes.tif: Wrong StripByteCounts field, ignoring and calculating from imagelength because otherwise it

Re: [osg-users] Call for feedback : AC3D loader behavior w.r.t texture repeat and clamping

2008-10-27 Thread Robert Osfield
Hi John, On Mon, Oct 27, 2008 at 4:07 PM, John Cummings [EMAIL PROTECTED] wrote: In the process of finding a small example, I've realized that indeed the reference document is not clear at for this feature. The reference documents say nothing about texture wrap modes at all. Given that this is

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Robert Osfield
Hi Alejandro, There is no coordinate systeml information for VPB to go on, and empty string for the coordinate system is not sufficient for determining the coordinate system, the origin and pixel size info aren't sufficient on their own. Robert. On Mon, Oct 27, 2008 at 4:32 PM, Alejandro

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Alejandro Aguilar Sierra
Hi Robert and Umit, As probably you already read it, my data is georeferenced but has no projection info (plain latitude, l,ongitude). Using plain osgdem produces a wrong 1 dimension field (a line). osgdem -d volcanes.tif -l 8 -v 1.0 -o kk I have to give some approximated --xx and --yy data

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Alejandro Aguilar Sierra
Hi Robert: Yes but they are perfectly georeferenced. What shoud I do? --geocentric is enough? -- A. On Mon, Oct 27, 2008 at 10:38 AM, Robert Osfield [EMAIL PROTECTED] wrote: Hi Alejandro, There is no coordinate systeml information for VPB to go on, and empty string for the coordinate system

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Robert Osfield
Hi Alejandro, Your data *is* the problem, please add the coordinate system info. Using the --xx etc options really is not a good solution going forward. Use properly set up data and things will work fine. Please go check out the gdal website for info on how to set up your data. As for VPB

Re: [osg-users] setViewMatrixAsLook at and getViewMatrixAsLookAt

2008-10-27 Thread Renan Mendes
Thanks, Paul and Robert. ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

[osg-users] What can I do with the NodeKit osgSim?

2008-10-27 Thread Martin Großer
Hello all, I've a simply question about the NodeKit osgSim. Can everybody explain me when it's commendable to use. What is the benefit? I used never before. Cheers, Martin ___ osg-users mailing list osg-users@lists.openscenegraph.org

[osg-users] Please test SVN of OpenSceneGraph in prep for 2.7.4 dev release

2008-10-27 Thread Robert Osfield
Hi All, I'm just prepping for the OpenSceneGraph-2.7.4 dev release, so am once again looking for help in testing! There have been lots of bug and build fixes checked in since 2.7.3, and feature refinements but as always this might come with their own regressions, so please do a check out of

[osg-users] Fwd: Problem with computeIntersections for nodes below post render camera

2008-10-27 Thread Robert Osfield
On Mon, Oct 27, 2008 at 5:18 PM, Chris Denham [EMAIL PROTECTED] wrote: Thanks Robert, I hadn't anticipated you checking also checking in the modified osgpick example. This may not be quite what you might intend, since the default scene used to be fountain.osg, but now has my rather

Re: [osg-users] setViewMatrixAsLook at and getViewMatrixAsLookAt

2008-10-27 Thread Renan Mendes
Now that you have explained to me how it works, maybe you could give me an idea on how to solve a small problem I have. In my application, the user can move the camera freely (all directions and eye positions), but when the camera's direction is close to a given one, it snaps into that given

Re: [osg-users] setViewMatrixAsLook at and getViewMatrixAsLookAt

2008-10-27 Thread Robert Osfield
Hi Renan, You'll need to store basic parameters that you use to compute your view matrix, for instance the eye point, center, up, or whatever is most suitable for the type of camera manipulation you wish to undertake. For instance the osgGA CameraManipulator's all have there own camera model

[osg-users] Sharing PrimitiveSets between Geometrys

2008-10-27 Thread Brian R Hill
Folks, Can primitivesets be shared between geometrys similarly to vertexes, colors, and texcoords? Brian ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Re: [osg-users] setViewMatrixAsLook at and getViewMatrixAsLookAt

2008-10-27 Thread Paul Martz
Ditto Robert's comments, with the following info: setViewMatrixAsLookAt doesn't do anything magical, it just fills in the matrix with four vectors to create the orthonormal basis and origin of a new coordinate system. You already have the necessary data to compute this matrix yourself. See the

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Ralf Stokholm
Hi Alejandro You can use gdalwarp to (stamp) the projection information into you data. try using something similar to the following: //call gdalwarp to project my data to wgs84 //This will create a virtual raster (vrt) which does not copy the data of the original raster //but creates a sort of

[osg-users] QT4 ViewerQOSG and Q_OBJECT

2008-10-27 Thread mgb
Not a question so much as a note for the archives. If you want ViewerQOSG to be able to handle signals it must have a Q_OBJECT definition. In order to do this the viewerQT example must swap the order of the definition to class ViewerQOSG : public QOSGWidget, public osgViewer::Viewer The QT moc

Re: [osg-users] VPB bug or faulty data?

2008-10-27 Thread Alejandro Aguilar Sierra
Hi Ralph, It works, thank you very much! :) -- A. On Mon, Oct 27, 2008 at 1:57 PM, Ralf Stokholm [EMAIL PROTECTED] wrote: Hi Alejandro You can use gdalwarp to (stamp) the projection information into you data. try using something similar to the following: //call gdalwarp to project my

Re: [osg-users] Call for feedback : AC3D loader behavior w.r.t texture repeat and clamping

2008-10-27 Thread John Cummings
FYI, here is the link to the discussion on the Ac3D forum: http://www.inivis.com/forum/showthread.php?t=5090 It seems to be headed in the same direction as Robert's comments regarding keeping track of the UV ranges. -John -- Original Message -- Subject: Re: [osg-users] Call

Re: [osg-users] Call for feedback : AC3D loader behavior w.r.t texture repeat and clamping

2008-10-27 Thread Csaba Halász
On Mon, Oct 27, 2008 at 10:42 PM, John Cummings [EMAIL PROTECTED] wrote: FYI, here is the link to the discussion on the Ac3D forum: http://www.inivis.com/forum/showthread.php?t=5090 It seems to be headed in the same direction as Robert's comments regarding keeping track of the UV ranges.

Re: [osg-users] TrackballManipulator Question

2008-10-27 Thread Paul Martz
The TrackballManipulator does not support a zoom function. Rather, the right mouse button pans the Camera along the view direction vector. This is a different effect from zoom, which is a change to the field of view without changing the Camera position. With an orthographic Projection matrix,

Re: [osg-users] TrackballManipulator Question

2008-10-27 Thread Rob Radtke
Thank you Paul. That does help me out a lot. I have one follow-up question, however. It is not clear to me how to fashion a manipulator so that it automatically modifies the projection matrix. I noticed that osgViewer::Viewer will automatically ask its camera manipulator for the model view

[osg-users] updateCalculatedNearFar problem

2008-10-27 Thread forest37
hi all, It seems that there is a problem with CullVisitor::updateCalculatedNearFar,I have the code like this: osgViewer::Viewer viewer; class MCallBack : public osg::NodeCallback { public: virtual void operator()(osg::Node* node, osg::NodeVisitor* nv) {