On Sun, 2003-03-30 at 20:05, Michael Selig wrote:
> At 3/30/03, you wrote:
> >Michael Selig writes:
> >
> > > I noticed the 'squared' effect when I started flying w/ my R/C
> > > joysticks. Using the actual joysticks exactly models what an R/C
> > > pilot feels, so no exponent fudging is desired in that case. Also,
> > > exponential rates and mixing if used are done onboard the R/C
> > > transmitter, so again nothing needs to be done on the fgfs side.
> >
> >Great. Under our current system, the 'power' property is not applied
> >by default -- it has to be specified separately for each axis in each
> >joystick-specific config file, so there should be no problem leaving
> >it out for your R/C joysticks.
>
> That's what I've done. That R/C joystick file is committed.
>
>
> > > In special cases (e.g. some airplanes in the current fgfs hanger),
> > > suppose one wanted to change a property that is set in the specific
> > > base package joystick file (or any other xml file). Can the
> > > related tags be added to the -set.xml file with the effect of
> > > over-riding the previous values? There have been instances where I
> > > have wanted to do this, but I don't think it worked.
> >
> >It's doable, but complicated. Let me know what you're thinking of.
>
> Things that I would like to over-ride and post to the fgfs cvs for flying
> the uiuc airplanes (and new ones coming):
>
> [1] I'd like to add keyboard customization that would work w/ the ASW-20.
> Spoilers working w/ j/k keys:
>
> <key n="106">
> <name>j</name>
> <desc>Decrease spoilers.</desc>
> <binding>
> <command>property-adjust</command>
> <property>/controls/spoilers</property>
> <min>0</min>
> <step type="double">-0.25</step>
> </binding>
> </key>
>
> <key n="107">
> <name>k</name>
> <desc>Increase spoilers.</desc>
> <binding>
> <command>property-adjust</command>
> <property>/controls/spoilers</property>
> <max>1</max>
> <step type="double">0.25</step>
> </binding>
> </key>
>
> [2] In preferences.xml, I have changed 'eye-heading-deg-path' per below.
> The LaRCsim/UIUC code computes this value. The advantage is that in the
> second view, the view direction is in the direction of the airplane
> ("Gamma" horizontal in effect). The result is that when rudder is applied,
> the airplane will yaw, but the view direction will not. It is a much more
> natural way to see the airplane and tendency for vertigo is greatly reduced
> when things are unsteady. With the ASW-20 landing w/ sideslip
> (cross-controls), the 2nd view is down the runway w/ the airplane in a big
> sideslip.
>
> <!-- view 2 -->
> <view>
> <name>Chase View</name>
> <type>lookat</type>
> <config>
> <from-model type="bool">false</from-model>
> <from-model-idx type="int">0</from-model-idx>
> <eye-lat-deg-path>/position/latitude-deg</eye-lat-deg-path>
> <eye-lon-deg-path>/position/longitude-deg</eye-lon-deg-path>
> <eye-alt-ft-path>/position/altitude-ft</eye-alt-ft-path>
> <eye-heading-deg-path>/orientation/Gamma_horiz_deg</eye-heading-deg-path>
>
> Frankly, I think this should be applied w/ all FDMs, but JSBSim and YASim
> will need to compute Gamma_horiz_deg first.
Flight path angle is computed by JSBSim. It's probably not passed to
FG, however.
>
> [3] The final one is obviously the joysticks.xml file. When I do fly w/ my
> regular MS joysticks, I'd like to be working one-to-one. I'm working on
> some fighter planes now and I'd like to remove the squared effect for those
> -set.xml files.
>
> So effectively, I am thinking of customizations of all three:
> joysticks.xml, preferences.xml, and keyboard.xml. To me it would seem
> logical for these "extensions"/"over-rides" to reside in add-on files that
> are called from the *-set.xml file.
>
> Any light you can shed on this would be appreciated.
>
> Regards,
> Michael
>
>
>
>
> >All the best,
> >
> >
> >David
> >
> >--
> >David Megginson, [EMAIL PROTECTED], http://www.megginson.com/
> >
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>
>
>
> **************************************************
> Prof. Michael S. Selig
> Dept. of Aero/Astro Engineering
> University of Illinois at Urbana-Champaign
> 306 Talbot Laboratory
> 104 South Wright Street
> Urbana, IL 61801-2935
> (217) 244-5757 (o), (509) 691-1373 (fax)
> mailto:[EMAIL PROTECTED]
> http://www.uiuc.edu/ph/www/m-selig
> http://www.uiuc.edu/ph/www/m-selig/faq.html (FAQ)
> **************************************************
>
>
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Tony Peden <[EMAIL PROTECTED]>
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