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ATT: Rob, 'below glideslope' xml gauge

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Rob, On several photo's on airliners.net of a 747-200 I saw a light what should come up when the plane/pilot deviates from the glideslope, and goes below the glideslope. Above is not covered. The light is marked with 'Below G/S'. Can you give some guidance, as a xml guru, on how to write such a gauge ? Adding a sound to it I think I can master. Johan It should be fitted in my setup as shown below.. :-) PICT0019.JPG

There is a NAV GLIDE SLOPE ERROR:index variable in degrees which returns the deviation above or below the glide slope.in degrees.

Gerry Howard

Johan, Tested this one, (A:Nav1 gsi, number) has a range of -119 (= Above GS) to 119. (= Below GS) So with that, anything greater than zero would be below GS. A good idea would be to check to see if the GS is indeed received also. A code is below to show a "bright" bitmap being visible. Of course a little leeway could be given by just increasing the GS number being checked. Roman

<Visible>(A:NAV1 HAS GLIDE SLOPE, bool) (A:Nav1 gsi, number) 0 > and</Visible>

EDIT -- Johan, Thought about it more throughout the day --- There should be alot more to it ( especially on a 742 ) , such as, a pre trigger scenario otherwise the thing will bark at you constantly, For instance. 1. Is the aircraft on AP? and below GS waiting to capture?2. Is the PIC hand flying on FD w/ the LOC/APP/GS/ALT HLD mode enabled but AP off?3. Is the PIC just hand flying using just the LOC/GS indicators? FD ON or OFF On each one of the above there should be certain rules to abide by before the indicator should become active to "bark" (LOL!) at you. Then after all of that there should be a "pre trigger" cancel, such as.. Loss of signal, Loss of LOC, Go around, Back Course false reception etc... Kinda went through this back in FS02 - memory not so good from back then :-) But I have the code, just need to find it! Happy Coding, let me know if any more is needed. Roman P.S. Am I seeing 7! screens? WOW!

Edited by spokes2112

20AUG21_Avsim_Sig.png?dl=1  FS RTWR   SHRS F-111   JoinFS   Little Navmap 
 

 

  • Author

yes, 7.. lol Thanks for your suggestions, I going to fiddle with it. Much appreciated.

Hi Johan, Not here every day now, especially since I'm trying to get everything running on my new W7 rig. As to your question: I think Roman covered it already.And as Roman said, main task is not to create a light that goes On when you're below glideslope (that's easy), but (if you want to do it properly) define the 'randvoorwaarden" when the light/alarm should go On/Off One tip: if you download my addon rcbpf-30.zip (addon for the ProjectFokker 70/100), there's an autoland.xml gauge in there.Which covers (I think) all of the logic (XML variables, exceptions and set/reset conditions) you might need for your gauge.Like AP variables, GlideslopeValid/Value vars, etc. Rob PS: You're setup really makes me jealous Whistle.gif

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