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how to add sun to clean sky

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efraim or
how to add sun to clean sky
on May 8, 2010 at 2:28:20 am

hello everyone.
Im working right now with a footage of a sky. blue and clean sky.
now, I want to add sun to the sky with the effect "optical flares",
cool effect i bought, and its working on the same way as "lens flare".

now, I just don't understand how to do it.
obviously the sun must move with the clip and to stay in the same point in the sky.

there is not much to track in the footage, is there any other way to make things stay in the same spot without the tracker?

I tired to track a top of a tree that in the clip, but the lens kept moving and vibrating.

I cant make the lens stay in the same spot with the clip and to be stable.

any help guys?

thank you...


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Alperen T. Ayhan
Re: how to add sun to clean sky
on May 8, 2010 at 12:06:52 pm

(If I've understood in the right way). If your comp is 3D just place lensflare in front of sky BG just about 1-2 pxs (z scale). then the camera movements will be ok. For the Optical Flares you should parent it to a light, so you may place the light in front of sky BG.. ( here is a similar example. after 36th second you may see.. http://reels.creativecow.net/film/presentation-demo-of-sinamasal-rto-by-alp... )

Alperen T. AYHAN
http://www.sinamasal.com
Always cinema...


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efraim or
Re: how to add sun to clean sky
on May 8, 2010 at 1:32:51 pm

actually no mate, the comp is 2D. just a simple clip footage of sky.
is it possible?


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Graham Quince
Re: how to add sun to clean sky
on May 8, 2010 at 2:40:16 pm

I'd be tempted to recreate the panning shot as a single image in Photoshop. Simply take some stills from your video and merge them together, then animate it across the screen with the lens flare parented to it.

It will remove the difficulty of trying to track and using match grain, you could replace any missing video grain.

Graham

http://www.YouTube.com/ShiveringCactus - Free FX for amateur films


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efraim or
Re: how to add sun to clean sky
on May 8, 2010 at 2:56:33 pm

ok Ill try that.

any guides to merge images to video?


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Graham Quince
Re: how to add sun to clean sky
on May 8, 2010 at 3:53:10 pm

Photoshop's photomerge can probably do it for you. Just export a set of still from AE. Or use the eraser brush and layers


Graham

http://www.YouTube.com/ShiveringCactus - Free FX for amateur films


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Alperen T. Ayhan
Re: how to add sun to clean sky
on May 9, 2010 at 1:11:49 am

sorry I am late.. ok, it is possible.. is it a shoot from a car or walking or track railer something? for this reason you may use sky replacement. If I have a chance to see only one caps, I think I can give some instructions. or you can link to me the 2 second of footage then I can tell you more properly.. It's not too hard mate, but takes some time..

Alperen T. AYHAN
http://www.sinamasal.com
Always cinema...


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