Chris Hanson wrote: > On Wed, Oct 17, 2012 at 9:18 AM, Tueller, Shayne R Civ USAF AFMC 519 > SMXS/MXDEC < ()> wrote: > > > Take a look at the "createAxis()" in the osgbillboard.cpp file for the > > osgbillboard example. There's code in there to set linewidth... > > > > > > > Rather than altering the model (which break displaylists or other compiled > geometry representations and requires DYNAMIC datavariance) I recommend > re-drawing the highlighted part one more time, after the rest of the model > has drawn itself. You can usually use a nodemask to perform this trick. You > may wish to clone the original entity, set the line width wider, and draw > that clone, so you don't disrupt the state of the original. > > > Set your Z-buffer depth test to GL_LEQUAL so that re-drawing the same part > actually draws it again, over top of the copy already represented in the > Z-buffer. > > > -- > Chris 'Xenon' Hanson, omo sanza lettere. http://www.alphapixel.com/ > (http://www.alphapixel.com/) > Training • Consulting • Contracting > 3D • Scene Graphs (Open Scene Graph/OSG) • OpenGL 2 • OpenGL 3 • OpenGL 4 • > GLSL • OpenGL ES 1 • OpenGL ES 2 • OpenCL > Digital Imaging • GIS • GPS • Telemetry • Cryptography • Digital Audio • > LIDAR • Kinect • Embedded • Mobile • iPhone/iPad/iOS • Android > > ------------------ > Post generated by Mail2Forum
Yes, cloning entity and setting linewidth to higher number works, only problem is with cloning big entity, its slow operation for realtime highlighting. I was wondering if this can be achieved without cloning entire entity. ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=50708#50708 _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
