[osg-users] Reason why not to change the name of a Uniform?

Hi, in our application we just created an user interface for setting up osg::Uniform data on our nodes for 'artist usage' (setting shader input values like colors or textures). Now I encountered that the uniform name must not be changed which is from a artist user perspective quite

Re: [osg-users] Reason why not to change the name of a Uniform?

Hi Johannes, A Uniform is not meant to change it's name or type through the life of an application as the shaders that they are associated with will also normally be invariant through the lifetime of the application. If you want a Uniform to have a different name or type it's essentially now a

[osg-users] Help with callbacks and cameras

Hi folks, I have a camera responsible for updating some texture by rendering to it. What is the preferred way/callback to let the camera run only every 10th frame or so. I know I can use the the nodevisitor to get the framenumber, but I'm puzzled which callback to use to skip the camera all

Re: [osg-users] Help with callbacks and cameras

Hi Sebastian, I struggled with the same problem. The way how I resolved this was by keeping reference to the camera and working with the NodeMask (the camera was turned on at each N-th frame, otherwise was off). And the framebuffer was kept this way Hope this helps Nick On Tue, Dec 3, 2013 at

Re: [osg-users] Help with callbacks and cameras

Hi Sebastian, You could use an osg::Sequence node above the RTT osg::Camera that makes sure it's only traversed are certainly times, or use a custom cull callack attached to an osg::Group that decorates your RTT osg::Camera and decides whether to traverse or not to the interval you want. Robert.

[osg-users] remove a view from a CompositeViewer

Hi All, OSG are fantastic but sometimes is frustrating to struggle with them. I have a crash in my application when I remove a view from a CompositeViewer. The crash happens when I move the mouse over the CompsiteViewer after removing a view. Basically at a certain point I call:

Re: [osg-users] remove a view from a CompositeViewer

Here is the code: Code: class ViewerWidget : public osgQt::GLWidget, public osgViewer::CompositeViewer { Q_OBJECT public: ViewerWidget(QWidget* iParent = 0, const QGLWidget* iShareWidget = 0, Qt::WindowFlags iFlags = 0) : osgQt::GLWidget(iParent, iShareWidget, iFlags) ,

[osg-users] osgWidget::EVENT_MOUSE_ missing while mouse is held down

Hello, I have successfully implemented an osgWidget callback with the type osgWidget::EVENT_MOUSE_PUSH that works every time I click down the mouse. If I hold down the mouse button, the callback only gets called once (at the time of the initial mouse click). This all makes sense, but is it

Re: [osg-users] osgWidget::EVENT_MOUSE_ missing while mouse is held down

Hi Ethan, Hello, I have successfully implemented an osgWidget callback with the type osgWidget::EVENT_MOUSE_PUSH that works every time I click down the mouse. If I hold down the mouse button, the callback only gets called once (at the time of the initial mouse click). This all makes sense,

Re: [osg-users] osgWidget::EVENT_MOUSE_ missing while mouse is held down

Sorry Ethan, I over read that you are using osgWidget. But you might use the same mechanism. Maybe some osgWidget expert can tell you if there is some FRAME like event that you can use to implement the idea below. Hi Ethan, Hello, I have successfully implemented an osgWidget callback with