On 7/21/2011 10:31 PM, caijun2002108 wrote: > Hello,everyone! > I've used the OSG in my project for one week.And I found it is powerful,and > it's cool. > My project is a 3D GIS system,I want to make the manipulator like google > earth(GE).So I > used the trackballmanipulator.But it has some difference with GE.When I look > the source > code of trackballmanipulator,I do not understand the meaning of trackball > function! > Can anyone tell me the meaning of the function? > Waiting for your answers,thank you very much!
I'd start by trying out osgEarth. It already has a lot of what you'll need, and your entire question may go away. > Good luck! -- Chris 'Xenon' Hanson, omo sanza lettere. [email protected] http://www.alphapixel.com/ Digital Imaging. OpenGL. Scene Graphs. GIS. GPS. Training. Consulting. Contracting. "There is no Truth. There is only Perception. To Perceive is to Exist." - Xen
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