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MikeP

Weather Texture Engines

Which Weather Engine?  

103 members have voted

  1. 1. Which Weather Engine?



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Hey!

 

I'm currently using REX Essential at the moment, haven't flown with it yet but will do tomorrow or so...

 

I was wondering, if anyone would suggest AS2012, REXE or Both?

 

Thanks!

 

Mike

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Well, Essential just came out, so until people actually try it, no answers yet. I have rex overdrive, loved the textures but the weather engine wasn't the best for me. I have ASE and AS2012. I've used them and I love their weather engines. I'm very much interested in the appearance of the clouds. I loved REX's HD clouds, AS2012's clouds, I don't think I like so much they're always somehow bluish and 'blend' with the sky (it's difficult to explain). So most of all, I'm looking forward to REX Essential's '3D clouds'. I downloaded yesterday, but then I realized that for OD users, we have to wait for Essential OD, or do a complete uninstall/reinstall. I'd rather wait for the OD. So no votes yet until I have the Essential OD installed.

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From what I've heard the Essential weather engine still has the "flashing sky" issue during weather updates, and I know that ActiveSky doesn't.

I'll be installing the Essential OD textures for sure but probably sticking with ActiveSky for my weather engine, which runs off of my laptop and not on my FSX machine (which the REX Wx engine does).

Saves me computing power for teh NGX.

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Mike too soon? Give people time to experiment with what REX Essential can accomplish.

 

I highly doubt that in less than 24-hours anyone will grasp the full scope.

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What I really meant was a better weather engine. I love REX's textures but the weather engine still isn't what I hoped for, although a lot better, just not what I hoped.

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And you made this decision this soon?

 

It took our testers weeks to wrap their heads around full scope of the weather engine. Perhaps spending time learning more on the functions in regards.

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Unfortunately, I have to say AS2012 is a better weather engine. I spent most of today comparing the aloft winds REX Essential's weather engine gives, along with the relevant wind charts for Europe and over the Atlantic, and while Active Sky gave pretty much what the wind charts were saying, Essential was giving (in some cases) winds going in the polar opposite direction - even in cases where there was a prominent jetstream. It's frustrating because REX's weather engine visually produces much more impressive scenarios, and does a brilliant job with fog - but the winds really don't match up at all. While this isn't a problem on a shorthaul, if you're flying a 12 hour flight, the difference between a 20 knot headwind and a 20 knot tailwind is quite massive when it comes to fuel planning.

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MANY factors come in place here... was this with a flight plan? Again, settings within the configuration section affect other areas. I just don't see how it's possible to make a judgement this soon.

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@timest, This is your software so I appreciate your defensive this but if I was wanting the developer of the softwares comments, I'd be asking over at the REX forum and not here. I don't mean to be rude or sound rude but I'm asking the community.

 

I'm not necessarily talking about Essential but REX and AS2012 as a whole.

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Mike,

 

With all due respect, I will chime in as I see fit.

 

Thank you.

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Anyway....

 

 

 

I don't have ActiveSky so I voted for Essentials. I'm really liking the user interface and the new sounds.... But, when will it rain here in Texas?!? I may never be able to try out the sounds. :LMAO: (Well, I was so excited that I did fly in Jacksonville with the hurricane going on there and all I can say is that I felt like I was actually there...)

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MANY factors come in place here... was this with a flight plan? Again, settings within the configuration section affect other areas. I just don't see how it's possible to make a judgement this soon.

 

This was just using a flight plan with longitude and latitude coordinates over the Atlantic to test the winds.

 

http://aviationweath.../iffdp/2513.gif

 

If I use that chart, and run three points with a clear wind direction, 2535N, 4040N and 4550N.

 

So, the wind chart shows that at 2535N we should be getting a wind from approximately 260 degrees and of around 40-55 knots at FL340. REX reports 265/05; so from the right direction, but the actual wind speed is off by a factor of 10.

 

For 4040N the chart shows again a clear wind from around 280-290 degrees of at least 50 knots. REX is giving me a wind of 105/15 - so the polar opposite wind direction and with a much smaller wind speed.

 

For 4550N we should be getting a wind from 270-280 degrees and of nearly 100 knots. REX reports a wind of 105/15 knots, exactly the same as 4040N - which again is clearly very wrong.

 

3540N should be from around 310-340 degrees of around 30-40 knots. REX reports 105/15 as well.

 

It's a bit odd that REX gives the same winds for points which are more than 600nm apart (an area of roughly 60,000 square miles).

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harvesl, Tom here on AVSIM granted us a temporary support forum while we try and restore our servers from the hack earlier.

 

Please post within that forum for your issues, and let us try and help you:

http://forum.avsim.n...-support-forum/

 

I've posted in the forum, but I don't really see how it's an issue I've only got. What issue could I have that's making REX report wrong winds? I've tried changing interpolation settings, wind smoothing on and off, it makes no difference to the winds being reported wrong over the Atlantic.

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I've posted in the forum, but I don't really see how it's an issue I've only got. What issue could I have that's making REX report wrong winds? I've tried changing interpolation settings, wind smoothing on and off, it makes no difference to the winds being reported wrong over the Atlantic.

 

The problem I have with your model data is that if you even look over the US your data is incorrect. We use radiosonde data.

 

http://www.spc.noaa....gn=V&Levels=300

http://www.spc.noaa....gn=V&Levels=300

 

Your data shows more a zonal flow aloft where our data which would reflect what is in the image link I supplied. This is NOT a zonal flow aloft at 34k feet. So I think we are trying to parse the difference between apples and oranges here. You are comparing winds over the ocean where FSX is already struggling and real weather data is sparse compared to model data. We do not use model data. We use radiosonde data. So over the oceans there are going to be some gaps. That is natural. We do not use model data. Even if you look at Florida compared to the model data it is off. The upper air support for what was once Beryl is located over Florida (real live data). The model data you supplied is pushed out into the ocean. That is a BIG difference.

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The problem I have with your model data is that if you even look over the US your data is incorrect. We use radiosonde data.

 

http://www.spc.noaa....gn=V&Levels=300

http://www.spc.noaa....gn=V&Levels=300

 

Your data shows more a zonal flow aloft where our data which would reflect what is in the image link I supplied. This is NOT a zonal flow aloft at 34k feet. So I think we are trying to parse the difference between apples and oranges here. You are comparing winds over the ocean where FSX is already struggling and real weather data is sparse compared to model data. We do not use model data. We use radiosonde data. So over the oceans there are going to be some gaps. That is natural. We do not use model data. Even if you look at Florida compared to the model data it is off. The upper air support for what was once Beryl is located over Florida (real live data). The model data you supplied is pushed out into the ocean. That is a BIG difference.

 

That's obviously going to be a problem for transatlantic flight (or flight over any ocean for that matter) because obviously the data for the aloft winds is going to be model/forecasted data, since there's obviously no other way for them to be calculated. The problem I have is that using the REX Essential weather engine means fuel planning is made redundant. I'm sure you can appreciate, any transatlantic flight is mostly spent over the water and given that, even in real life, the wind chart I was using is also used to calculate the trip fuel I literally have no way to do fuel calculations without just using what the REX flight plan tells me the aloft winds are. From experience with using ActiveSky, the winds you get in the initial navlog are very rarely ever the actual aloft winds 8 hours later when you're actually flying over those points. Is it not actually possible for you to incorporate the model data for the oceans - which is what I assume Active Sky does, which does give me generally the correct winds over the oceans. Fair enough if we were talking about a small peninsula's weather being off, but the oceans cover 70% of the planet...

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That's obviously going to be a problem for transatlantic flight (or flight over any ocean for that matter) because obviously the data for the aloft winds is going to be model/forecasted data, since there's obviously no other way for them to be calculated. The problem I have is that using the REX Essential weather engine means fuel planning is made redundant. I'm sure you can appreciate, any transatlantic flight is mostly spent over the water and given that, even in real life, the wind chart I was using is also used to calculate the trip fuel I literally have no way to do fuel calculations without just using what the REX flight plan tells me the aloft winds are. From experience with using ActiveSky, the winds you get in the initial navlog are very rarely ever the actual aloft winds 8 hours later when you're actually flying over those points. Is it not actually possible for you to incorporate the model data for the oceans - which is what I assume Active Sky does, which does give me generally the correct winds over the oceans. Fair enough if we were talking about a small peninsula's weather being off, but the oceans cover 70% of the planet...

 

I understand that the oceans cover 70% of the planet, and in that case 70% of winds aloft data is then modelled and can sometimes be severely wrong. My example was not just over Florida, but over the entire US. Again your model data shows a more zonal flow, but that is NOT the case in real life. There is quite an amplified flow over the northern half of the US.

 

I don't think we are going to be able to convince the other which is better, so I think it is better to just stop this conversation and move on. According to the original poll this had to do with Weather TEXTURE Engines. This has now become an issue of winds aloft.

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I understand that the oceans cover 70% of the planet, and in that case 70% of winds aloft data is then modelled and can sometimes be severely wrong. My example was not just over Florida, but over the entire US. Again your model data shows a more zonal flow, but that is NOT the case in real life. There is quite an amplified flow over the northern half of the US.

 

I don't think we are going to be able to convince the other which is better, so I think it is better to just stop this conversation and move on.

 

I'm not trying to convince you using model data is better - I just think it'd be better for use over the atlantic. REX was reporting the wind to be exactly the same value (direction and speed) for over a 60,000 square mile area of the Atlantic to me earlier. Is it not possible at all to use both model and radiosonde data?

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Reed,

 

Since I have you here - can I ask if anything's going to be done about smoothing abrupt wind and pressure shifts? All the flights I've flown with Essential so far (several GA and several NGX) have shown these - it was my major issue with REX2 as well and I'd hoped it would be fixed.

 

As someone above said, REX's weather depiction looks *stunning* visually especially in the way the distance hazing and boundary layer stuff looks - best I've seen as far as what distant mountains and stuff like that really look like in a real airplane. The issues with the wind and pressure will keep me from using it as my weather engine though if nothing can be done. I haven't seen a single shift in AS2012 - it's transitions perfectly smoothly...

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With regards the above post from Tabs, does REX do this with you when you turn the weather smoothing on? The peeps at REX say this reduces weather accuracy. Ive always wondered why weather engines cant slowly bring the new weather into the area. Say you have winds 120/45 at point x. The next weather station says winds are 190/52. Why cant weather engines take the last wind aloft data and slowly change the wind data to the current set within say 10 seconds?. Is this what 'smoothing' in essentials is meant to do? In which case, why does it decrease accuracy?

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During beta testing I did have some minor wind shifts but not at every weather injection and the shifts that did occur weren't enough to really hurt the plane. I did not have any pressure issues. I achieved these results using FSUIPC wind and pressure smoothing, I had wind smoothing disabled in Essentials.

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I made my first flight using both REX (for textures) and AS2012 (as weather engine) tonight, and I had maybe the best results ever. For the first time I've been able to cloud surf for a while at FL390, something I had never seen. :Party:

 

I'd say if you own both like I do, it would be a shame not to take the best of these two great add-ons.

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Reed,

 

Since I have you here - can I ask if anything's going to be done about smoothing abrupt wind and pressure shifts? All the flights I've flown with Essential so far (several GA and several NGX) have shown these - it was my major issue with REX2 as well and I'd hoped it would be fixed.

 

As someone above said, REX's weather depiction looks *stunning* visually especially in the way the distance hazing and boundary layer stuff looks - best I've seen as far as what distant mountains and stuff like that really look like in a real airplane. The issues with the wind and pressure will keep me from using it as my weather engine though if nothing can be done. I haven't seen a single shift in AS2012 - it's transitions perfectly smoothly...

 

Ryan -

 

First, thank you for your kind words.

 

Secondly, can you go into more detail with the abrupt changes you are experiencing? To be honest we did not get a lot of this during testing. I myself probably flew nearly 70+ flights with the 737 NGX and I can only think of may be a couple of occasions there were issues and that was before we implemented our own wind smoothing feature into REX E. We know the standard you have at PMDG so it was our main goal with testing to be sure the NGX would fly well with REX. Own team felt pretty confident the two worked well before we released.

 

Could it be may be some setting issues?

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