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Author Topic: Mirroring a wing
Joakim Aasen
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posted January 16, 2002 10:48 AM     Profile for Joakim Aasen   Email Joakim Aasen     Send New Private Message   Edit/Delete Post   Reply With Quote
Well, I have concentrated on making one wing with the purpose of mirroring the structure and animations.
Unfortunately this was not as easy as I thought. I have tried hundreds of times to get it right.

My question: have I been really stupid only thinking about one wing, or is there a procedure for mirroring and making the other wing?

Also, when I try to export a shabbily mirrored wing I get the exporter error

----------------------
"node [name of all parts of the wing] has a scale applied. Remove before exporting"
-----------------------

or
------------------
Generate BGL...
Done!
Assembling: D:\SPILL\FS2002\aircraft\a340\model\vinge_anim.azm
D:\SPILL\FS2002\aircraft\a340\model\vinge_anim.asm(23985) : error A2054: forced error : value not equal to 0 : 65536
ERRS16(1): Macro Called From
IFMSK(7): Macro Called From
D:\SPILL\FS2002\aircraft\a340\model\vinge_anim.asm(23985): Include File
Error!
-----------------------

Joakim. Maybe I'm an idiot.

[ January 16, 2002: Message edited by: Joakim Aasen ]

[ January 16, 2002: Message edited by: Joakim Aasen ]


Posts: 43 | From: Bergen, Norway | Registered: Oct 2001  |  IP: Logged
Luc Janssens
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posted January 16, 2002 03:41 PM     Profile for Luc Janssens   Email Luc Janssens     Send New Private Message   Edit/Delete Post   Reply With Quote
Hi Joakim,
I wrote a little procedure about how to do that, in dutch however. I'll make a translation in english and put it here as soon as I can, local time is 00:40 and a bit late for this.
Regards

Posts: 14 | From: Belgium | Registered: Dec 2001  |  IP: Logged
skotten
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posted January 16, 2002 03:44 PM     Profile for skotten   Author's Homepage   Email skotten     Send New Private Message   Edit/Delete Post   Reply With Quote
For geometry you can use the Mirror modifier. But as far as all animated flaps and stuff, you'll have to go at it again. Because the reset Xform normalizes the pivot of objects the animation would be useless. So if you use the standard object mirror feature, you need to reset Xform the object and flip the normals afterwards. If it is any relief, I just spend my evening doing "the other wing", sigh!!!

Aha a fellow A340 freak... I'm currently building the A340-600 from scratch with all the works. VC, custom panel, animated almost everything. You can see some very early work at http://fly.to/aalborg I hope to post some updated images in the next day or two.

Regards

Peter


Posts: 46 | From: Denmark | Registered: Nov 2001  |  IP: Logged
Joakim Aasen
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posted January 17, 2002 01:55 AM     Profile for Joakim Aasen   Email Joakim Aasen     Send New Private Message   Edit/Delete Post   Reply With Quote
Thanks for all the tips guys; you never disappoint me!

Skotten: I'm making the A340-300. Yours looks really nice, have you only used Gmax or did you use FSDS as well?


Posts: 43 | From: Bergen, Norway | Registered: Oct 2001  |  IP: Logged
Joakim Aasen
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posted January 17, 2002 02:50 AM     Profile for Joakim Aasen   Email Joakim Aasen     Send New Private Message   Edit/Delete Post   Reply With Quote
I feel I'm getting closer, but this is beyond my gmaxknowledge; I have managed to mirror the wing and it's animations correctly, but in fs everything looks wrong. It looks like all the parts of the mirrorred wing are turned inside-out if you know what I mean.

I have tried to flip ther normals of the parts involved, but without result. Still looks inside-out or transparent to a certain extent.

Joakim


Posts: 43 | From: Bergen, Norway | Registered: Oct 2001  |  IP: Logged
Luc Janssens
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posted January 17, 2002 03:54 AM     Profile for Luc Janssens   Email Luc Janssens     Send New Private Message   Edit/Delete Post   Reply With Quote
maybe this helps
Mirroring a wing

-1 make the righthand wing or the lefthand if you prefer ...

-2 hit the right mouse button, that opens the quad-menu

-3 under Transformations, select convert to: editable mesh

-4 in de modifier list (right on your screen, if not there hit 3):
-parametric modifiers:
- Mirror

-5 in modifier stack:
- expand mirror hit the <+>-sign:
-select: mirror center

-6 parameters:
- mirror axis X (should be the along the wing )
- options: Offset 0,0
- check Copy

-7 at the bottom of the screen:
set Absolute mode transform Type-In (toggle)
set the X coördinate value to 0

You should find a perfectly mirrored copy in your Gmax screen that you
can export.

notes:
1. The set of mirrored wings are one object in Gmax
2. Do not use this to mirror an aileron, those should be different
objects with different names to allow FS to move them correctly.
3. If you have applied a rotation to obtain dihedral you may need to counterrotate the mirror center with the degrees of dihedral. The better way is to apply the rotation with an Xform before the mirror operation

hope this helps

Luc


Posts: 14 | From: Belgium | Registered: Dec 2001  |  IP: Logged
Joakim Aasen
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posted January 17, 2002 06:30 AM     Profile for Joakim Aasen   Email Joakim Aasen     Send New Private Message   Edit/Delete Post   Reply With Quote
THANKS A LOT, Luc!!! You're the man!
(Thanks to you too, Skotten, I saw you mentioned the mirror modifier as well)

That did it! I was about to give up. Seems like every time I solve one problem another one turns up.

Joakim, sorry for asking stupid questions all the time!

[ January 17, 2002: Message edited by: Joakim Aasen ]


Posts: 43 | From: Bergen, Norway | Registered: Oct 2001  |  IP: Logged
paul perreault
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posted January 17, 2002 08:22 AM     Profile for paul perreault   Email paul perreault     Edit/Delete Post   Reply With Quote
fyi there is another tool to mirror objects besides the mirror modifier.

look up on the toolbar and find the mirror command. you can also look up mirror in the help file. notice that when you use the mirror command you can choose what type of mirror to create: a copy, reference, or instance. read up on the difference between those things--they are very powerful concepts.

also, to avoid any "strangeness" that can happen when you export mirrored data, its a good idea to collapse the mirrored objects down to editable mesh prior to export.

best,
paul


Posts: 14 | From: San Francisco | Registered: Nov 2001  |  IP: Logged

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