Re: [Flightgear-devel] flaps
On Monday 08 May 2006 15:22, Justin Smithies wrote: snip How do i get around that without changing the controls.nas script as other aircraft might need the 3 equal steps . I just want mine to have 7 steps we ll in fact if i may go a little further could i have the following positions ? snip Try copying the relevant keybindings from keyboard.xml into your aircraft-set.xml, and use the nasal/nasal tags to invoke a modified copy of controls.nas. Ampere --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
[Flightgear-devel] flaps
Hi all, I have a quick question that someone is bound to know the answer to. On my aircraft model i need the flaps to step through 7 positions. But i noticed that the nasal script controls.nas is hard coded to 3 equal positions only. How do i get around that without changing the controls.nas script as other aircraft might need the 3 equal steps . I just want mine to have 7 steps we ll in fact if i may go a little further could i have the following positions ? 0 Degree 1 5 15 20 25 30 Any fancy scripting ideas without changing any of the default FG source, just the aircrafts folder sources. This has to work from any joystick file too and the default keyboard file. Thanks in advance Justin Smithies --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
Re: [Flightgear-devel] Flaps question
On Monday 08 May 2006 19:46, Justin Smithies wrote: Hi all, I have a quick question that someone is bound to know the answer to. On my aircraft model i need the flaps to step through 7 positions. But i noticed that the nasal script controls.nas is hard coded to 3 equal positions only. How do i get around that without changing the controls.nas script as other aircraft might need the 3 equal steps . I just want mine to have 7 steps we ll in fact if i may go a little further could i have the following positions ? 0 Degree 1 5 15 20 25 30 Any fancy scripting ideas without changing any of the default FG source, just the aircrafts folder sources. This has to work from any joystick file too and the default keyboard file. Thanks in advance Justin Smithies Easiest way is to suggest that you have a look at the A-10-set.xml file and scroll down to line 137 (comment header line) and try that. Atm, this is just a branch beneath / but it could probably be moved in to one of the existing branches at some point. LeeE --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
Re: [Flightgear-devel] Flaps and landing gear extend and retract with no power? OK to add voltage checks?
On Sunday 05 March 2006 00:41, Dave Perry wrote: I would like to add a voltage check before moving the flaps or landing gear in data/Nasal/controls.nas. The proposed changes are underlined. snipped proposed new flapsDown etc Since the pa24-250 configs and nasal switches check for voltage for all the other electrical devices, It bothered me that I could lower the flaps and retract the gear with the master switch off. If we model the electrical systems but the electrical devices continue to work with no power, then modeling failures becomes difficult. Comments? I agree with your line of thought - but like others have pointed out, hardwiring this sort of thing which varies greatly in real life is a very bad idea. The good news is that you can just use your proposed flapsDown etc functions anyway! Just put them in a .nas file (and call them e.g. controls.flapsDown) and make sure it's included by the XML like any other bit of nasal. Functions with the same name as the default ones are apparently used in preference; the Lightning for example (though a very bad place to go for examples of good nasal practice :-) overrides at least controls.flapsDown, braking and possibly others. At least it does now, after a bit of prompting from Melchoir... This way you can get any kind of behaviour you like when someone presses the flaps down key etc, without any possibility of affecting any other a/c. Cheers, AJ --- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnkkid=110944bid=241720dat=121642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
Re: [Flightgear-devel] Flaps and landing gear extend and retract with no power? OK to add voltage checks?
On 04/03/06, Dave Perry [EMAIL PROTECTED] wrote: I would like to add a voltage check before moving the flaps or landing gear in data/Nasal/controls.nas. My Warrior has manual flaps activated by a giant metal bar between the seats, similar to a parking brake in a car -- I think that's true of all PA-28s. Instead of a motor hum, you hear a giant clunk whenever you move the flaps. Some aircraft have manual landing gear activated the same way (e.g. not just a backup manual system). I believe that the Mooney M20C is one example, but I might be misremembering. On larger aircraft with fly-by-wire systems, the major control surfaces are also electronically controlled; on others, they are hydraulically-assisted. Those are also failure modes that we'll want to model some day. It would be a bad idea to hardcode any of these, however -- there's just too much variety in how airplane controls work. All the best, David -- http://www.megginson.com/ --- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnkkid0944bid$1720dat1642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
Re: [Flightgear-devel] Flaps and landing gear extend and retract with no power? OK to add voltage checks?
AJ MacLeod wrote: On Sunday 05 March 2006 00:41, Dave Perry wrote: I would like to add a voltage check before moving the flaps or landing gear in data/Nasal/controls.nas. The proposed changes are underlined. snipped proposed new flapsDown etc Since the pa24-250 configs and nasal switches check for voltage for all the other electrical devices, It bothered me that I could lower the flaps and retract the gear with the master switch off. If we model the electrical systems but the electrical devices continue to work with no power, then modeling failures becomes difficult. Comments? I agree with your line of thought - but like others have pointed out, hardwiring this sort of thing which varies greatly in real life is a very bad idea. The good news is that you can just use your proposed flapsDown etc functions anyway! Just put them in a .nas file (and call them e.g. controls.flapsDown) and make sure it's included by the XML like any other bit of nasal. Functions with the same name as the default ones are apparently used in preference; the Lightning for example (though a very bad place to go for examples of good nasal practice :-) overrides at least controls.flapsDown, braking and possibly others. At least it does now, after a bit of prompting from Melchoir... This way you can get any kind of behaviour you like when someone presses the flaps down key etc, without any possibility of affecting any other a/c. Thanks! I wondered if something like that was possible. I will try this tonight. Actually, this gives me freedom to even better model the actual pa24-250 flap switch and response. Regards, Dave Perry --- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnkkid=110944bid=241720dat=121642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
[Flightgear-devel] Flaps and landing gear extend and retract with no power? OK to add voltage checks?
I would like to add a voltage check before moving the flaps or landing
gear in data/Nasal/controls.nas. The proposed changes are underlined.
flapsDown = func {
if(arg[0] == 0) { return; }
_if(getprop(/systems/electrical/outputs/flaps) 8.0) {return; }
# Dave Perry added a check for voltage to the flaps 3/4/06
_if(props.globals.getNode(/sim/flaps) != nil) {
stepProps(/controls/flight/flaps, /sim/flaps, arg[0]);
return;
}
# Hard-coded flaps movement in 3 equal steps:
val = 0.334 * arg[0] + getprop(/controls/flight/flaps);
if(val 1) { val = 1 } elsif(val 0) { val = 0 }
setprop(/controls/flight/flaps, val);
}
I think even the default generic electrical system supplies voltage to
the flaps. The landing gear may be more problematic as the gear could
be hydrolic (and most of the electrical systems in fgfs don't supply
power to the landing gear). Here is that proposed change.
gearDown = func {
_if(getprop(/systems/electrical/outputs/landing-gear) 8.0)
{return; }
# Dave Perry added a check for voltage to the flaps 3/4/06
_if (arg[0] 0) {
setprop(/controls/gear/gear-down, 0);
} elsif (arg[0] 0) {
setprop(/controls/gear/gear-down, 1);
}
}
Since the pa24-250 configs and nasal switches check for voltage for all
the other electrical devices, It bothered me that I could lower the
flaps and retract the gear with the master switch off.
If we model the electrical systems but the electrical devices continue
to work with no power, then modeling failures becomes difficult.
Comments?
Dave Perry
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Re: [Flightgear-devel] Flaps and landing gear extend and retract with no power? OK to add voltage checks?
Dave Perry wrote:
I would like to add a voltage check before moving the flaps or landing
gear in data/Nasal/controls.nas. The proposed changes are underlined.
flapsDown = func {
if(arg[0] == 0) { return; }
_if(getprop(/systems/electrical/outputs/flaps) 8.0) {return; }
# Dave Perry added a check for voltage to the flaps 3/4/06
_if(props.globals.getNode(/sim/flaps) != nil) {
stepProps(/controls/flight/flaps, /sim/flaps, arg[0]);
return;
}
# Hard-coded flaps movement in 3 equal steps:
val = 0.334 * arg[0] + getprop(/controls/flight/flaps);
if(val 1) { val = 1 } elsif(val 0) { val = 0 }
setprop(/controls/flight/flaps, val);
}
I think even the default generic electrical system supplies voltage to
the flaps. The landing gear may be more problematic as the gear could
be hydrolic (and most of the electrical systems in fgfs don't supply
power to the landing gear). Here is that proposed change.
gearDown = func {
_if(getprop(/systems/electrical/outputs/landing-gear) 8.0)
{return; }
# Dave Perry added a check for voltage to the flaps 3/4/06
_if (arg[0] 0) {
setprop(/controls/gear/gear-down, 0);
} elsif (arg[0] 0) {
setprop(/controls/gear/gear-down, 1);
}
}
Since the pa24-250 configs and nasal switches check for voltage for
all the other electrical devices, It bothered me that I could lower
the flaps and retract the gear with the master switch off.
If we model the electrical systems but the electrical devices continue
to work with no power, then modeling failures becomes difficult.
I'm just wondering about manual flap systems (or non-electrically
powered flap systems)? In a separate project I implimented electric
gear retraction and electric flaps, and made them so they only worked
when the electrical system was on, but in that case I bypassed the
standard gear/flap controls. This worked since the aircraft can only be
operated with a full set of hardware controls (we aren't trying to
support every joystick or other input method under the sun.)
Curt.
--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program http://www.humanfirst.umn.edu/
FlightGear Project http://www.flightgear.org
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Re: [Flightgear-devel] Flaps and landing gear extend and retract with no power? OK to add voltage checks?
Dave Perry wrote: I would like to add a voltage check before moving the flaps or landing gear in data/Nasal/controls.nas. The proposed changes are underlined. Adding aircraft-specific code to the generic control mappings is a bad idea; that file is for Nasal code that is globally useful for interpreting the user's control inputs. It doesn't do system simulation. Why not do it in the aircraft configuration by driving the flaps from some other property than /controls/flight/flaps and gating that on the appropriate system-specific failure modes with some system-specific Nasal? Andy --- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnkkid=110944bid=241720dat=121642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
[Flightgear-devel] Flaps/Gear/Load/Speed limits patch
Hi All, A patch to the Nasal limits code is available from http://www.nanjika.co.uk/flightgear/limits2.tar.gz. It consists of - An improved limits.nas file using property listeners and the new Nasal display code instead of timers and the original C-based display. - Support for multiple flap limits. For example, the C182 now has limits of 140, 120, 100 kts for flaps settings of 10, 20 and 30 degrees respectively. This is much more accurate. - New limits and help text for the C310 (taken from www.twincessna.org) It also means we can back out the original source patch I submitted for displaying text to the screen via src/Scripting/NasalDisplay.* -Stuart ___ To help you stay safe and secure online, we've developed the all new Yahoo! Security Centre. http://uk.security.yahoo.com --- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnkkid=103432bid=230486dat=121642 ___ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
