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  • Losing image quality with 3D camera

    Posted by Mark Going on March 7, 2007 at 6:39 pm

    I have some footage matted by some illustrator layers. They are continually rasterized and look great until I add my camera and move in close; the edges get jagged and the footage in side looks low quality. I have all layers and comps in full quality and full res and the depth of field is turned off, but even when I turn it on and fix my plane of focus right on the object, it doesn’t help.
    What am I not thinking of?
    Thanks for your time.

    Mark Going replied 19 years, 2 months ago 2 Members · 2 Replies
  • 2 Replies
  • Mylenium

    March 8, 2007 at 11:38 am

    Umm, bitmap footage? Even if the matte is continuously rasterized, this does not change the rules for bitmap layers themselves, meaning they would still get blocky and soft near the edges when zooming in. Keep in mind, that the matte is calculated first, then the rest of all features kick in. AE uses a fixxed rendering order and you can’t change anything about that.

    Mylenium

    [Pour Myl

  • Mark Going

    March 8, 2007 at 5:56 pm

    Thanks for the reply.
    It was dv footage.
    I had done an alpha track matte with the footage to about 14 ai layers and tracked a camera through the comp, it looked fine, but the layers then disapeared in the middle third of the comp (beginning and end rendered fine). The camera was definately in perfect range to see the layers, but they would just not come up until later in the comp. I precomped all the dv/ai tracked footage and then I could see them all throughout the entire comp, but that made the footage look bad.
    I figured out that precomping was not the answer; I needed to just copy masks onto solids instead of using the ai layer for the mattes. Now all is well after the mini rebuild, but still not sure why the mattes were not seeing through that part of the comp using the ai layers (something was in the way of the camera that was invisable to me).
    Sadly I think I learned this lesson already years ago…

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