Ron Jensen ha scritto: > On Mon, 2009-11-23 at 19:47 +0100, Nicola Quargentan wrote: >> Ron Jensen ha scritto: > >> First thank you for your settings :) >> >> But what about the use of axis instead of buttons? >> For select the frequencies, buttons are good but I'm not sure going well >> for radial selection: I can buy a rotary switch continuous, but how many >> laps I have to do to move the first radial of 180 degrees, for example? >> I do not know if I explained well the question. >> I thought of using an 12 bit encoder with a resolution of 4096/360, more >> than enough to select one radial. Obviously I should manage it as an >> axis of the joystick. >> >> Some opinion? Thanks. > > For an axis in the range [0-1] use something like this: > > <axis n="0"> > <desc>Heading Bug</desc> > <binding> > <command>property-scale</command> > <property>autopilot/settings/heading-bug-deg</property> > <dead-band type="double">0.0</dead-band> > <offset type="double">0.0</offset> > <factor type="double">360.0</factor> > </binding> > </axis> > > For an axis in the range [-1,1] use this: > <axis n="0"> > <desc>Heading Bug</desc> > <binding> > <command>property-scale</command> > <property>autopilot/settings/heading-bug-deg</property> > <dead-band type="double">0.0</dead-band> > <offset type="double">1.0</offset> > <factor type="double">180.0</factor> > </binding> > </axis> > > Even a 10 bit pot axis will give better than 1/2 degree selection. > Jitter might be a problem.
I think that using an 12 bit axis, and dead-band parameter I can eliminate the jittering. Keep in mind that I will not use a true joystick, but instead some knobs. Many thanks. -- Nicola Quargentan ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Flightgear-users mailing list Flightgear-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-users