Kris wrote: > Hello everyone, > > I'm working on a company project that displays navigation maps for ships with > OpenSceneGraph. > The product we develop is a library that generates map images, so a customer > (developer) > can use our library to develop its own navigation system. > > This requires to generate a offscreen image and if possible an antialiased > one. > Unfortunately we can not generate a antialiased offscreen image. > > I already tried > > osg::DisplaySettings::instance()->setNumMultiSamples(4); > > and > > traits->samples = 4; > to create a osg::GraphicsContext > but this only works with a window generated from OpenSceneGraph or > with a embedded context (osgViewer::GraphicsWindowEmbedded()). > > I know we can enable "GL_LINE_SMOOTH". This is what we use at this moment and > it is > working with offscreen rendering but we really need multisampling for better > results (or any other form of anitaliasing). > > I created a small peace of C++ sourcecode on a Linux system that does > offscreen rendering (with a pbuffer) > into a tga image file (I think you also need OpenSceneGraph plugins for that > to work), > so you can roughly see how we use it at this moment (without GL_LINE_SMOOTH > to keep it simple). > > Of course I looked into the examples and this peace of code is based of one > of them. > But I could not spot anything in the examples that could help me. > I also searched in the forum on this topic but most threads about offscreen > rendering don't consider if multisampling is enabled. > > I would really appreciate if someone could help us with this small code in > the right direction > or make any suggestion if there is any other way to solve this if > OpenSceneGraph is not able to do this. > > A main.cpp and a CMakeLists.txt should be attached to this post. > > Thank you very much, > Kris
------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=69645#69645 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
