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Activity Forums Adobe After Effects Anamorphic maths problem – it’s been a long day…

  • Anamorphic maths problem – it’s been a long day…

    Posted by Antony Buonomo on April 23, 2010 at 5:19 pm

    My brain feels like fudge and I just can’t work it out even though it must be easy…

    I’m doing the opening to a feature, they want 1828x 1556, anamorphic 2:1

    I want to send the director some web previews in square pixel. Something around the 1000 pixel width range. How do I work that out in the ‘stretch’ area of the output module? I thought it would be easy; it’s 2:1, so make it 1000x 500… no, that’s not right. I imported it back in and checked against the original.

    Anyone with a functioning brain out there on this Friday afternoon/evening/morning?

    A

    Vertigo Productions
    https://www.vertigo.co.uk

    Antony Buonomo replied 16 years ago 33,436 Members · 2 Replies
  • 2 Replies
  • Antony Buonomo

    April 23, 2010 at 5:35 pm

    Nothing more than lots of good Italian coffee… maybe too much…

    However, I have tried that method and it doesn’t work. I have no idea why. It should. It’s the first thing I tried. As a way of checking I put a circle effect in the original composition/design. When I put that into a 1000 x 500 (square pixel) and then scaled the comp to fit the circle is not round anymore. Somewhere along the line I am doing something really stupid…

    A

    Vertigo Productions
    https://www.vertigo.co.uk

  • Antony Buonomo

    April 23, 2010 at 6:07 pm

    OK, the coffee finally kicked in. The pixel aspect ratio is 2:1 but the screen aspect ratio is 2.35:1. Therefore I made a comp of 1000x 426 and everything is hunky dory.

    Enjoy your weekend. Beautiful weather here in London, hope it’s the same with you.

    A

    Vertigo Productions
    https://www.vertigo.co.uk

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