On 08/10/2007, Jon S. Berndt <[EMAIL PROTECTED]> wrote: > Does anyone know what typical values are for these two properties: > > /environment/turbulence/magnitude-norm > /environment/turbulence/rate-hz > > The fact that the first property is named magnitude-norm (emphasis on the > *norm*) makes me suspect that the turbulence goes from _1 to +1. But, that > wouldn't do much for turbulence. And, is that 1 ft/sec? Or is it the value > of the turbulence in ft/sec?
I helped implement this with Tony a few years ago. As I recall, the value was from 0 to 1, where 0 represents no turbulence, and 1 represents the most severe turbulence that we model. You couldn't represent turbulence simply in feet/second, because it consists of both movements and rotations. Note also that the current system has problems for multiplayer mode. For example, if the turbulence were set to .5 (which should be pretty bad), a J3-cub and a Boeing 747 flying into the same airport will experience the same turbulence, while in reality turbulence that would tear a wing off a J3 cub might not do much more than jiggle the drinks in the 747. As soon as you consider a world with more than one plane flying at once, we have to think about modelling the turbulence not by its effects on the plane, but by its source air motion. All the best, David ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
