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Revisiting Iceland

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Revisiting Iceland

Postby Thorsten » Wed Apr 10, 2019 5:53 pm

I've decided I'll spend some time re-visiting Iceland and bring some of our newest goodies into the fray. So far I've added overlay layers to get rock-strewn lava fields and added two volcanoes (Eyjafjallajokull and Katla) - both are normally under glaciers and when they go off, they're solid (Katla has a VEI of 6)

AW got an extra option to simulate volcano-induced turbulence, so the air gets rough next to the ash plumes. Let's see whether I can interface still more weather - like ash drift downwind would be nice.

To my pleasant surprise, I discovered that plenty of airports have been populated since my last visit :D

Desolate lunar surface...

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... and glaciers...


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Foothills of Katla

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The wrath of Eyjafjallajokull

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Amelia landing at Heimeay airport:

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Re: Revisiting Iceland

Postby wlbragg » Wed Apr 10, 2019 8:51 pm

As always, nice work. I really miss the scenery side of FlightGear. So much to do. so little time to do it!
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Re: Revisiting Iceland

Postby GinGin » Wed Apr 10, 2019 9:29 pm

It looks really neat .
Glaciers are hypnotic, really nice.

Those kind of ballads make me want to try helicopters in FG :)
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Re: Revisiting Iceland

Postby Avionyx » Thu Apr 11, 2019 6:49 am

Some great scenery there, thank you for sharing.
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Re: Revisiting Iceland

Postby Thorsten » Thu Apr 11, 2019 10:34 am

Those kind of ballads make me want to try helicopters in FG :)


I actually like helicopter flying a lot - it's kind of the opposite to Shuttle operations, you have to do something with the stick all the time. Trying to land in mountain regions gives me a nice challenge, and the view from a helicopter cockpit is simply hard to beat - especially since you're pitched down in level flight rather than up. :D
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Re: Revisiting Iceland

Postby eatdirt » Thu Apr 11, 2019 12:48 pm

Dunno if this is the right thread to ask, but I have also discovered recently the FG helis, I love them, although I find most of them difficult to fly in stationary flight.

To be more precise, I am finding the Alouette III to be the smoother and nicest of all, you can almost feel it on the joystick! I mean by a lot! Is this really like this in the real world? Helis are so different from one to another?

I have also weird things, for instance the ec145 and ec130 start slowly rotating alone, on the ground, when I am firing up the turbines if I do not compensate with the rudder. Do pilots have really to do that in real?

Sorry for the naive questions...

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Re: Revisiting Iceland

Postby Thorsten » Thu Apr 11, 2019 12:57 pm

The Alouette-III is, unlike most others, a JSBSim craft. Probably that's why it is different.

I've never flown a helicopter for real, not do I know anyone who does, so I can't really comment more.

I have also weird things, for instance the ec145 and ec130 start slowly rotating alone, on the ground, when I am firing up the turbines if I do not compensate with the rudder. Do pilots have really to do that in real?


No - it's a long-standing issue with YaSim ground interactions....
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Re: Revisiting Iceland

Postby enrogue » Thu Apr 11, 2019 1:14 pm

Hopefully 2019.1.1 should have the code in to fix the ground interaction - it will need FDM side changes to enable it though
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Re: Revisiting Iceland

Postby GinGin » Thu Apr 11, 2019 6:18 pm

I actually like helicopter flying a lot - it's kind of the opposite to Shuttle operations, you have to do something with the stick all the time. Trying to land in mountain regions gives me a nice challenge, and the view from a helicopter cockpit is simply hard to beat - especially since you're pitched down in level flight rather than up.


Day and noight indeed :)
I did quite a lot of helos in DCS, really fun.

What are the best Helos fdm wise in FG ?
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Re: Revisiting Iceland

Postby Thorsten » Thu Apr 11, 2019 6:23 pm

I personally prefer the Alouette-III, the EC-135 and the EC-130 and just switch between those.

I gather FGUK has a nice range of military helicopters if you prefer that.
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Re: Revisiting Iceland

Postby wlbragg » Thu Apr 11, 2019 7:16 pm

Even though it is YASim, my favorite handling helicopter is still AirCrane. It may be I just have the most time in it. But it was the easiest and most responsive for me.
I am seriously considering adapting the Alouette-III FDM to the AirCrane if I can find the needed FDM data.
I really need Amelia in the rear facing engineer seat to further implement the cargo hauling capabilities and I am not interested in duplicating her capability in YASim.
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Re: Revisiting Iceland

Postby xDraconian » Fri Apr 12, 2019 6:20 am

Nice work on the Iceland scenery Thorsten. That ash plume is killer.
Last edited by xDraconian on Fri Apr 12, 2019 9:18 am, edited 1 time in total.
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Re: Revisiting Iceland

Postby radi » Fri Apr 12, 2019 9:15 am

Thorsten, (don't have FG instsalled at the moment, so can't test) how did you do the volcano plume? Is that a texture? Is it 3D? Is it moving? Looks incredibly convincing, with large and fine scale structure, just what you'd expect a turbulent plume to look like. Pretty awesome!
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Re: Revisiting Iceland

Postby Thorsten » Fri Apr 12, 2019 1:43 pm

It's using the particle system, so to the degree the particle system works, it's moving, it's 3d, it's turbulent and it even is sensitive to the wind.

It doesn't have the correct dynamics (a real eruption column has the acceleration region followed by a thermal updraft region, and the stop region, the particle system lacks the middle), it doesn't mesh too well with clouds and daylight shading and it sometimes has little quirks, but if you're not too picky, 95% of the time it looks quite compelling.
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Re: Revisiting Iceland

Postby GinGin » Fri Apr 12, 2019 3:56 pm

Alright, thanks for the advise.
I am really tempted by some Aircrane and glaciers with volcano eruption :)
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