Hi,
I am trying to use OSG with vrJuggler in a cluster equally. If you find some
informations or examples, tell me and if I find something, I will tell you. Why
you want to use OSG with VRJuggler? Me, I have to make a project for my
internship.
Thank you!
Cheers,
lucie
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Hi,
Me, I have to develop an application on a workbench, it's the same as the CAVE
except that there are only two screens. So I need only a cluster of 2 machines.
I must also use VRPN for navigation in the scene using trackers.
Thank you!
Cheers,
lucie
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Hi,
Thank you for your answer, I had seen the example osgNav but I don't know how
to operate on a cluster. I can just use a configuration file or implement more
things on this example to work on a cluster. Have you an idea?
Thank you!
Cheers,
lucie
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Hi,
I want to develop an application for the visualization of 3D digital terrain
models, and browsing through these models.
I found some plugins to add to openscenegraph (VirtualPlanetBuilder, osgEarth,
Virtual Terrain Project, ...).
What do you recommend?
Thank you!
Cheers,
lucie
Hi,
Thank you for your answer, I'll follow your advice, I'll look at osgEarth and
VPB.
Cheers,
lucie
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Hi,
I also use VRJuggler to run my application in a virtual reality environment
(for example CAVE). OsgEarth and VPB are compatible with VRJuggler?
Thank you!
Cheers,
lucie
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Hi,
Ok, Thank you!
Cheers,
lucie
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Hi,
I want to run osgviewer openstreetmap.earth with a proxy but my proxy require
a user/password.
What should I write in the xml file openstreetmap.earth?
Thank you!
Cheers,
lucie
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Hi,
Is it possible with osgdem in VirtualPlanetBuilder to generate the colors of
terrain based on the elevation (eg red for the highest points)?
Thank you!
Cheers,
lucie
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Hi,
ok, I'll look at this post.
Thank you!
Cheers,
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Hi,
I want to know if there is a limit in frame rate in OpenSceneGraph because when
I run a simple application (ex : osgviewer cow.osg), the frame rate never
exceeds 60 fps.
Thank you!
Cheers,
lucie
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Hi,
Ok, Thank you!
Cheers,
lucie
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Hi,
I use VRJuggler and osg for rendering digital elevation models generated by
VirtualPlanetBuilder but VRJuggler currently doesn't support DatabasePager.
When I load my digital elevation model in VRJuggler, it only show the lowest
level (L0_X0_Y0) of detail. I saw that several people had the
Hi,
I use VirtualPlanetBuilder for my internship project. I have to describe in my
internship report the opportunities offered by VPB but I can't find
documentation.Could you tell me if you found documentation or explained me the
features of VPB, the data formats it supports, etc.?
Thank
Hi,
Indeed, I had seen this documentation but it does not explain in detail what
can do VPB. I thought rather a documentation a bit like osgEarth. Otherwise, I
was referring to input source files that may support VPB. I would have liked if
for example we can show the latitude and longitude of
Hello nerazzuri_4,
I have the same problem as you, so I wanted to know if you succeeded and how
you managed to convert files of elevation (.adf)?
Thank you!
Cheers,
lucie
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Hi,
I do not really understand what are the use and how work the following options
:
-e x y w h Extents of the model to generate
-ge x y w h Geographic (Lat/Lon) Extents of the model to generate.
-b xa ya xb yb Bounds (similar to extents) of the model to generate.
Max/Min
Hi,
Is it normal to have a rendering like this (enclose file) typing osgdem.exe -d
104n04_0100_deme.dem -l 5 -o 104n04_0100_deme.osg?
When I add --geocentric, I don't have problem in rendering.
Thank you!
Cheers,
Lucie[/img]
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Hi,
Thank you for your reply!
No I have not tried without limitation because I think it will take
considerable time, isn't it?
Cheers,
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Hi,
On the other hand, I don't understand why I don't have the same problem when I
add --geocentric. Could you explain it?
Thank you!
Cheers,
lucie
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Hi,
Thanks for your reply Robert.
I don't know if my dem is in degrees, I found it in this site :
http://www.geobase.ca/geobase/en/index.html.
I will try to put the coordinate system into meters.
Cheers,
lucie
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Hi,
Thank you for the information!
Indeed, the coord system of my dem is in degrees.
gdal_info give this :
Driver: USGSDEM/USGS Optional ASCII DEM (and CDED)
Files: 104n04_0100_deme.dem
Size is 1201, 1201
Coordinate System is:
GEOGCS[NAD83,
DATUM[North_American_Datum_1983,
Hi,
I have a file of elevation data DTED and an orthoimage .tif with a .tfw file. A
.tfw file is used to georeference a .tif file. When I use osgdem -d data.dt1
-l 3 -o data.osg, I get a terrain model without texture and when I use osgdem
-d data.dt1 -t data.tif -l 3 -o data.osg, the
Hi,
I tried everything you told me but the projection does not work.
When I run gdal_info data.tif, I get :
Driver: GTiff/GeoTIFF
Files: data.tif
Size is 18470, 8809
Coordinate System is:
GEOGCS[WGS 84,
DATUM[WGS_1984,
SPHEROID[WGS 84,6378137,298.2572235630016,
Hi,
I also tried with dem and orthoimage downloaded at:
http://www.geobase.ca/geobase/en/index.html
I get the same problem, the projection doesn't work.
With gdal_info data.dem, I get :
Driver: USGSDEM/USGS Optional ASCII DEM (and CDED)
Files: 013c07_0100_deme.dem
Size is 1201, 1201
Coordinate
Hello Pierre,
I send you in attachment what I get in my console with OSG_NOTIFY_LEVEL =
INFO when I run osgdem --geocentric -d data.dem -t data.tif -l 3 -o data.osg
and when I run osgviewer data.osg.
Otherwise, I use osg-2.8.2, VPB 0.9.10 and gdal 1.5.
I will try to use Boston data.
Thank you!
Hi,
I tested the boston example but I'm not sure that the projection has worked
well.
I run osgdem.exe --geocentric -d boston-dem-downtown-5m-utm19n-meters.tif -t
boston-10m-utm19n-meters.tif -l 5 -o test2.osg.
I send what I obtain in attachment.
Can you tell me if it worked well?
Thank you!
Hi,
In fact, now it seems to work, I had a problem in my data input. Otherwise, I
have a model of terrain larger than my orthoimage, do you know how to cut the
terrain model to obtain only the part with the orthoimage? Are there any
options of VPB for this?
Thank you!
Cheers,
lucie
Hi,
Is it possible to convert a terrain database .osg build with
VirtualPlanetBuilder in another format like .3ds,.obj,.vrml, etc.?
Thank you!
Cheers,
lucie
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Hello,
I use osg:: LineSegment to perform an intersection between a ray starting from
a wand and the objects in my scene. Here is my code:
osg::Vec3 wandpt1;
osg::Vec3 wandpt2;
line = new osg::LineSegment(wandpt1,wandpt2);
osg::BoundingBox modelbox;
modelbox.expandBy(modelTransf-getBound());
Hi,
I load a 3D model of terrain in my scenegraph and I want to retrieve the data
of the MatrixTransform of my model in my code.
What should I do?
Thank you!
Cheers,
lucie
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Hi,
I know how to create a node visitor but I don't know how to traverse the node
and simultaneously retrieve and store the MatrixTransform.
Can you help me?
Thank you!
lucie
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Hi,
Thank you for your help.
It works well!
lucie
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Hi,
I want to obtain the latitude, longitude and height when I click with the
mouse. Here is my code :
osgGA::GUIEventAdapter ea;
osgUtil::LineSegmentIntersector::Intersections intersections;
std::string gdlist=;
float x = ea.getX();
float y = ea.getY();
osg::ref_ptr
Hi,
Can you help me please?
I am blocked on my project.
I just want to know how to obtain the latitude, longitude and height from the
local coordinates of the point of intersection.
Thank you!
Cheers,
lucie
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Hi,
I also have wrong values when I use the world coordinates of the intersection
when I make a translation.
It's normal?
Thank you!
Cheers,
lucie
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Hi,
I use osgUtil::LineSegmentIntersector to obtain the intersections between a
mouse or a ray starting from a wand and a terrain generated with
VirtualPlanetBuilder and to display the latitude, longitude and height of the
intersection point.
When I use the LineSegmentIntersector with the
Hi,
Thank you for your reply. I have initialized my two points depending on the
position of my wand into space so the error was not this. In fact, I found an
error in my code and now it works.
Cheers,
lucie
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Hi,
I want to create a virtual reality application with OSG in an immersive
environment (workbench cf. attached file) with head-tracking and stereoscopy,
...
I want to implement the head-tracking with the stereoscopy. I get the values
of position and orientation of the head-tracker with VRPN.
Hi,
Thank you for your reply!
I didn't specify that I used the mode QUAD_BUFFER for the stereo.
I don't understand why would I need two cameras per surface, why one would not
suffice?
Cheers,
lucie
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Hi,
Thank you very much for your replies. I'll try to get along with your
indications.
Cheers,
lucie
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Hi,
Thank you for your reply.
How can I download the sources of VRMeer in your site?
He asks me for a login and password.
Thank you!
Cheers,
lucie
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Hi,
I wanted to know what is the latest version of openscenegraph? I wanted to know
if there is a correspondence between the stable releases and the developer
releases ? The stable release 2.8.3 is it more recent than the 2.9.6 developer
release ?
Thank you!
Cheers,
lucie
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Hi,
When I compile osgQt, I have this error :
1moc_QGraphicsViewAdapter.cxx
1.\__\__\include\osgQt\moc_QGraphicsViewAdapter.cxx(11) : fatal error C1189:
#error : The header file 'QGraphicsViewAdapter' doesn't include QObject.
How do I solve it?
Thank you!
Cheers,
lucie
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Hi,
I use Windows and Visual Studio 2008. I try to compile the developer release
2.9.8.
What should I do?
Which file should I remove?
Thank you!
Cheers,
lucie
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Hi,
When I remove moc_QGraphicsViewAdapter.cxx and recreate a new one, I have the
same error.
And when I add the required header file (QObject), I still have the same
error.
Thank you!
Cheers,
lucie
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Hi,
Ok, it works.
Thank you!
Cheers,
lucie
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Hi,
I use VRJuggler and OSG to create an application on a VR system and I want to
use osgWidget. But VRJuggler uses osgUtil::SceneView instead of osgViewer, I
wanted to know if it is possible to use osgWidget with osgUtil::SceneView?
Thank you!
Cheers,
lucie
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Hi,
Thank you Jean-Sébastien for your devices.
Indeed, I put the WindowManager's ortho camera under the root of my scene
graph. With VRJuggler, I can't access to the cameras because the cameras aren't
included in the scene graph. So I don't know how to do this.
Would you have other suggestions?
Hi,
Can you explain me a little the function
osg::EllipsoidModel::convertXYZToLatLongHeight?
I don't understand why x and y are calculated based on height.
If I changed the height of a model and I don't change the latitude and
longitude, x and y change. Why?
Thank you!
Cheers,
lucie
Hi,
I understood that the XYZ are in Earth Center Earth Fixed coordinates.
So is it normal that X,Y are calculated based on height?
In fact, I put a latitude, longitude and height on a model, I use
osg::EllipsoidModel::convertLatLongHeightToXYZ to obtain the position x,y,z and
I transform my
Hi,
Thank you for your reply.
I will look at this.
Cheers,
lucie
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Hi,
Thank you for your replies!
This helps me a lot!
Cheers,
lucie
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Hi,
The function
ellipsoid-computeLocalToWorldTransformFromLatLongHeight(osg::DegreesToRadians(lat),osg::DegreesToRadians(lon),
altitude, position);
give me the same values of X,Y,Z as if I use directly the function
Hi,
In fact, my model is not spheroid, it is a flat terrain.
That's why I need simply the position.
Thank you!
Cheers,
lucie
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Hi,
Thank you everyone for your replies.
In fact, I made a mistake because I built my terrain with VPB with the option
--geocentric so my terrain is geocentric. I didn't remember anymore. In fact, I
rotate the terrain and that's why it seem flat. But your answers helped me a
lot because I
Hi,
How to render a node in my scene always last?
I want this object is over the other objects in my scene.
Thank you!
Cheers,
lucie
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Hi,
I put this line of code for render my model last :
mModel = osgDB::readNodeFile(mFileToLoad);
osg::StateSet* state = mModel-getOrCreateStateSet();
state-setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
state-setRenderBinDetails(20,Render_Bin);
But I get a odd render (see
Hi,
Is it possible in osgWidget to get the coordinates of widget in meters or
centimeters instead of pixels?
Thank you!
Cheers,
lucie
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Hi,
I use osg and VRJugggler (for Virtual reality application) to display a terrain
generated with VirtualPlanetBuilder. I load the terrain in VRJuggler using
osg::DatabasePager. The load works well. I use head tracking in VRJuggler. But
when I move the head or I move the terrain in my scene,
Hi,
In fact, I obtain the same thing with osgViewer (cf. attachment).
What is the problem?
Thank you!
Cheers,
lucie
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Attachments:
http://forum.openscenegraph.org//files/image_165.jpg
Hi,
The problem is only when I am rendering the back (the underside of the terrain).
Is it normal?
Thank you!
Cheers,
lucie
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Hi,
Thank you for your reply.
I have change the CullSettings and it works well.
Cheers,
lucie
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Hi,
How to render an imported model semi-transparent?
Thank you!
Cheers,
lucie
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Hi,
Thank you, it works well!
lucie
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Hi,
I want to change the 3D model dynamically at the runtime.
I have inatialize my node at :
_model = new osg::Node();
_model = osgDB::readNodeFile(model1.osg);
and when I do a particular action, I would like that the 3D model changes, I
write this :
_model = osgDB::readNodeFile(model2.osg);
Hi,
I want to draw a curve from a list of points (osg::Vec3f).
I looked at osgModeling but I can't draw a curve, I used the class Curve.
This gives me an edge between the points and does not calculate a curve.
Can you help me, please?
Thank you!
Cheers,
lucie
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Hi,
I want to draw a 3D curved pipe from a list of points.
I looked at osgModeling but I don't know how to do this.
Would you have an idea using osgModeling or something else?
Thank you!
Cheers,
lucie
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Hi,
I want to draw a partial torus, I know the center, the starting angle, the
angle of arrival, the minimum radius and maximum radius.
I want to draw also a half sphere!
Can you help me?
Thank you!
Cheers,
lucie
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Hi,
I would like to build a digital terrain model with underwater data with
VirtualPlanetBuilder. I would like to read the format ETOPO5 with
VirtualplanetBuilder.
Is it possible?
Thank you!
Cheers,
lucie
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Hi,
I want to draw a half cone.
I have the code to draw an entire cone :
osg::ref_ptrosg::Geometry geom = new osg::Geometry();
osg::Vec3Array* normals = new osg::Vec3Array;
osg::Vec2Array* tcoords = new osg::Vec2Array;
osg::Vec3Array* vertices = new osg::Vec3Array;
unsigned int numSegments =
Hi,
It seemed like I had already tried this but I try again and it works.
Thank you!
Cheers,
lucie
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Hi,
From a quaternion, how to get the angle of rotation on each axis?
I saw that it exists the function getRotate(...) but it gives the angle
according to all axes.
Thank you!
Cheers,
lucie
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Hi,
Ok, Thank you for your reply!
Cheers,
lucie
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Hi,
How to disable mipmapping on a texture?
Thank you!
Cheers,
lucie
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Hello,
I click on a point in my node.
I get a world intersection point (hitr-getWorldIntersectPoint()).
I want to center my camera on this point that is to say this point becomes the
pivot point of the rotation of the camera.
Can you help me please?
Thank you!
Cheers,
lucie
Hello,
I use Spherical Manipulator for navigation.
When I want to forward with the right mouse button, at a given time the
navigation go down instead of go forward.
What is the cause?
Thank you!
Cheers,
lucie
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Hello,
I compiled OpenSceneGraph-3.0.1 with the vrml plugin with Visual Studio 2010. I
compiled openvrml-0.18.9 with boost_1_47. When I try to load a vrml model
(osgviewer.exe object.wrl), I have this error :
FindFileInPath() : trying
Hi,
I have all the dependancies dll that I need in my path.
I think that a openvrml.dll has a bug because I tested the sdl-viewer.exe in
the openvrml visual studio project and it crashes.
Does someone compile OpenVrml with Visual Studio 2010 without problem?With
which version of OpenVrml?
I compiled openvrml-0.17.12 with visual studio 2008 without problem.
When I try to compile openvrml-0.17.12 with visual studio 2010, I have this
error in compilation several times :
typename cannot be used outside a template declaration
Does that tell you something?
I will try to get some
Hi,
I created an application with WPF and osgViewer which load multiples 3D models
(up to 1420 files) with an OpenFileDialog. When I load a large number of files,
the osg application crash.
Is osg be limited to a specific number of vertex?
Thank you!
Cheers,
lucie
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Hi,
My folder of 3D models contains 26.5 megabytes.
it does not seem to be much though!
What do you think?
Thank you!
Cheers,
lucie
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Hi,
The issue is I use a wrapper c++ to c# to create a window with osgviewer in a
WPF application and the application throws an unhandled exception, I haven't
other informations on the exception.
Thank you!
Cheers,
lucie
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Hi,
I want to delete a complete scene. I use
root-removeChildren(0,root-getNumChildren());
Does it destroys the objects in the scene?
Thank you!
Cheers,
lucie
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Hi,
I embed osg in wpf application with this code :
http://www.openscenegraph.org/projects/osg/wiki/Support/FAQ#HowdoIembedanOSGviewerina.NETcontrol
I load a scene of vrml files.
osg::Group* root = new osgGroup();
for(int i = 0; i listFichiers.size(); i++){
osg::Node* node =
David,
I don't have access to the viewer frame functions because I use a wrapper c# to
c++ (I created a dll c++ with osg functions that I call in my wpf (c#)
application).
Thank you!
lucie
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Paul,
The DataVariance for root is also DYNAMIC.
The ThreadingModel is not set, when I display the variable :
std::cout threading model : _viewer-getThreadingModel();
It returns 2 - ThreadPerContext.
Thank you!
lucie
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With SingleThreaded, osg also crashes with the same error.
lucie
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Hi,
Thank you for your reply!
I will try the first solution.
lucie
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Hi,
I developed an application that loads textures dynamically.
I tested my application with a NVidia card and my application works fine but
when I test my application on ATI card, the textures doesn't change.
Can you help me?
Does anyone have had this problem?
Thank you!
Cheers,
lucie
Hi,
Thanks for your reply!
I work with an ATI FirePro v8800 on Windows 7.
Cheers,
lucie
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Hi,
I have an application where I have some widgets under an ortho camera. I want
to rotate these widgets upside down (180 degrees rotation) because I have a
screen upside down. I tried to change the projection matrix of the ortho camera
by reversing left/right and bottom/top :
double
Hi,
I wand to play video in my application but I don't have ffmpeg plugin dll.
I have OpenSceneGraph-3.0.1.
Could someone send me this dll?
Thank you!
Cheers,
lucie
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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=48196#48196
Hi,
I must use osgUtil::SceneView because I use VRJuggler.
I want to use mouse events with osgUtil::SceneView.
With osgViewer, we can write this :
viewer.addEventHandler(new osgWidget::MouseHandler(wm));
Is it possible to use this with osgUtil::SceneView?
How do I do?
Thank you!
Cheers,
lucie
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