Wisorxn
Forum Replies Created
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I think it all has to do with aspect ratios. The key is to match the rendered footage aspect ratio with that of the camera’s Film Aspect Ratio attribute. By default, maya sets it’s render globals aspect ratio to 1.333:1, when you make a new camera, the aspect ratio is at 1.5:1. Therefore when it is rendered, the footage is at 1.333. When you export the camera information/nulls, the camera is looking at the film through 1.5 aspect ratio, no good. The answer is to set these two equal to each other by either changing the numberical value in the render globals and the camera aspect ratio, or by using the Fit Resolution Gate attribute for the camera to either horizontal or vertical.
Also, in AE, I changed my import default to 24fps (as that is what I have in maya). Before my rendered frames were coming in at 30fps, whereas the camera is at 24fps from maya, another matchup issue. Now my rendered frames and camera/null info are matching correctly. Hope this helps!
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Try this, things seem to be working, but I have just tested literally 5 minutes ago and posting because |I think it could be the answer. In maya I checked was looking through my camera attributes. There is a section called film back. there is an attribute called film fit. My camera was set to FILL. I switched to horizontal, rerendered frames, reexported camera/null info and brought to AE. Things are lining up perfectly now. Please try this out ane let me know if you get the same results as me. For some reason the FILL attribute does not work. There is probably a more technical reason for this, but for now I am happy that this is working.
Look through the maya MEL command reference for filmfit, there will be some explanation on the attribute and why it does what it does.
Let me know if it works . . .
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Try to change the film back filmfit attribute on the maya camera to wither Horizontal or Vertical. I did this, rerendered frames, and reexprted camera/nulldata and things are lining up perfectly.
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JoeMason, Could you elaborate on this? I am having mismatch issues between camera+null_objects coming from Maya and rendered frames (rendered in maya). I want to add some elements on top of the rendered frames and I want these elements to be driven by the camera info, but there is a mismatch. How to fix this?
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Hi,
I also have this issue. As for the comp size issue, it seems to be tied to the 648×480 default . . . the .ma file will come in as 320×240 . . . there is proably a more techincal reason for this, but making a custom size, say 800×600, or whatever, has yielded a correct comp reading in After Effects.
But yes, the problem is that the .ma information (camera + null_objects) do not line up with a corresponding set of rendered frames from maya.
death or glory . . . how do you go about changing the “move” by your eyeballed factor of 15? What is the process you use to get the comp to match uo better? Is it actually dealing with the .ma file info or in AE?
Why is there no info on this anywhere? Surely this method has been used correctly before no?