I will try next flight and will let you know, thanks.

Very nice little website you have made. Clean and simple. I hope that it will not disappear, because I've bookmarked it to learn from your code. And good luck with weather engine development!

Hi Robert, I gave this a try this evening and it works great, good job. I saw your thread at fsdeveloper a couple days ago and I also see on your site where you're still trying to find the .WTB format. I got thinking (remembering) and went through some backup disks and found this file which I believe actually pre-dates the FS2004 weather themes SDK:

 

http://library.avsim.net/esearch.php?DLID=&Name=&FileName=weather_theme_howto.zip&Author=&CatID=root

 

I don't know what I'm looking at to be honest, but he (Christian Stock) writes the theme as text and compiles it with bglc.exe so I assume that's the format you're looking for. I also don't know if there are any similarities between this and the FSX weather themes but hopefully this will be of use to you.

 

Again great job and keep up the good work.

 

(incidentally if you need a source for historic metar data I have some on my site here: http://www.cat-tamer.com/flightsim/metar)

 

Jim

Jim, thanks a lot for the hint!

This looks like a good starting point for me to understand the theme file format.

 

Robert

Robert - I've tried it out so far so good!

 

I've got a few questions:

 

Is the registered version of FSUIPC required? On the installation page I note your screenshot of the winds aloft tab from FSUIPC. Also do those two entries we enter into the .ini really work with the unregistered version of FSUIPC? I have found your winds aloft to be fairly accurate with ADDS (USA winds aloft predictions). I do have an odd discrepancy between your winds/Garmin 530W and what FSX is displaying. (GPS vs red text shift z) - do you know why this happens?

 

 

What does Turbulence scale value do in the FSX.cfg?

 

Finally if I'm flying around (not a route) what do I need to do to get the weather on the fly? Just press nearest wx?

 

Thanks!

 

edit: As an update I'm getting more realistic results of winds aloft with "Nearest Wx" vs entering route start and end with "Inject." Over time the interpolation just became far off with winds via injection... I don't know how the program works just observing results.

Is the registered version of FSUIPC required?

 

Yes, it is. Because you need FSUIPC's wind smoothing features that are only available with the registered version.

And because it actually does this very good, I decided to simply use it for the moment. But maybe I will program this by my own in the future.

 

I do have an odd discrepancy between your winds/Garmin 530W and what FSX is displaying. (GPS vs red text shift z) - do you know why this happens?

 

Hm, this is really odd. As I think that shift-z shows the FSX-internal 'ambient wind' (which the a/c is experiencing), the GPS should display it too... sorry, no idea for that discrepancy.

 

What does Turbulence scale value do in the FSX.cfg?

 

It is an value to scale the turbulence strengh in FSX. My suggested value of 0.5 reduces the effects which can cause complex addon airplanes to get into trouble.

Btw: It's the same value other wx addons recommend, too.

 

Finally if I'm flying around (not a route) what do I need to do to get the weather on the fly? Just press nearest wx?

edit: As an update I'm getting more realistic results of winds aloft with "Nearest Wx" vs entering route start and end with "Inject." Over time the interpolation just became far off with winds via injection... I don't know how the program works just observing results.

 

If you just want to fly around, simply start the programm and press 'Connect'. Wait a few seconds and the weather will be there.

Then, if you still just want to fly around, but have more accurate values for your depature airport, put in your depature airport (ADEP) and press 'Set'. Wait a few seconds and the weather will be re-injected, but this time taking into account your ADEP.

 

The button 'Nearest Wx' only shows you the nearest weather in the log window, nothing else.

 

Regards

Robert

Thanks

 

I'm trying to figure this program out.... sometimes I'm getting accurate winds/wx, other times not so much. See here, the METAR for DLH (where I'm landing) shows 1/2 mi vis. The in-game vis is far greater. Any ideas about this one?

 

KDLH 271520Z 25012KT 1/2SM R09/3500V4000FT SN FZFG VV013 M08/M10 A3007 RMK AO2 P0001 + true aloft

 

Ryan,

I'm not a user of this product, but I'm going to guess that the weather engine is interpolating the METAR at DLH with METARs of other nearby airports that have higher visibilities (ie KDYT @ 10SM), which causes what you observe in the photo. Other weather engines also do this, but usually have a way to ignore the weather at other airports within a certain radius to prevent this. As I said, I'm not a user of this weather engine, so I don't know if it has this feature or not.

Yes, Chris is right.

If you do not enter a route (at least ADEP as your departure airport), every artificial weather station in FSX is interpolated from its surrounding METAR reports. In this way, the overall weather is much more 'harmonic' (and gives a better impression when you fly a jetliner like the NGX from A to B ).

But to provide at least exact weather at A and B, you can use the route inputs. So, try to enter KDLH in ADEP (and press 'Set') and compare the conditions. Then, they *should* be very close what is stated in the METAR report.

 

Regards

Robert

Hi,

 

If i already have REX how will this affect it?