On Feb 21, 2011, at 12:38 AM, Neil Neilson wrote: > Hi Jean > > My third notebook has a Mobile Intel(R) 945GM Express Chipset > That is the one I use most for development. > The refresh rate is set at 60 Hertz > I don't know if that is the vsync you are referring to. > If it is then osgEarth must be changing it because when zoomed way out > pressing the S key showed about 120. > > My app will redraw/change once per second unless a user wants to tinker > with the mouse or pen which will be seldom. > > I will do some checking, OpenScreenGraph may be able to display a > globe with terrain and height data. osgEarth has many functions that are > nice but for my purpose they may not be necessary until later. > I am still new to this. CPU usage is important. > Even in the WWJ app most of what is in the SDK/JDK > was not used except the core display code. > > As mentioned before all the apps that interact with the display are in C++ > that feeds data in and calls for a redraw. Any direct manipulation of the > display is usually just to get familiar with it.
Neil It is a bit of a hack but you can see how we force playing 'nicely' in ossimPlanet http://trac.osgeo.org/ossim/browser/trunk/ossimPlanetQt/src/gui/ossimPlanetQtGlWidget.cpp#L392 HTH Norman
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