Hi guys, I’ve got another problem… I have a scene in which I need to do a matte painting (mountains and stuff), the problem is the camera is moving.
Usually I just track the farest object and parent the matte painting with it, but in this case the farest object is a chapel which is only a few metres away. Thus whhen parenting the matte painting with it, it appears to be a phote attached to it, since far objects move differently then near objects as camera moves…
Any ideas on how to solve this?
This is a screen shot of the scene:http://www.flickr.com/photos/neuronfx/7710054214/
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Matchmove the scene and with any luck you should be able to track a flat 3D solid of the front of the chapel into the image in a fairly convincing way.
This assumes that you have shot the take for match-moving (i.e. you have given it enough translational, parallax creating movement for a match-mover to work its magic).
If the movement in the shot is bigger than a bit of hand-held wobble, you might need to build the chapel in 3D and drop it into the shot. You should be able to texture it from production shots and the geometry probably doesn’t need to be complex. Are the steps included? You’ll probably notice the parallax on them quite badly even with a centimeter or two of camera movement.
You’ll have to rotoscope the crossing foreground objects, of course.
Hard to say precisely from a single still though.
Oops… just read your post again… you need to drop mountains into the background, not post the chapel in. (I was wondering if you were needing to change it into a different kind of chapel or something).
Technique’s still the same though. Match-move and then drop the mountains in in the distance. The parallax on the foreground objects will recreate the camera move and approximate positions of the objects, then you can put your matte painting in large in the deep background…
Ae CS6 has a passable match-mover, but it’s not very customizable. Synth-eyes is full-featured and very affordable if you need more power. The Foundry’s one might work out too, but I haven’t tried that one. PF Hoe is also cheap and may offer a simple solution. All depends on the shot. Don’t know how much Boujou and full PF Track cost these days.
The Foundry Camera Tracker for Ae – about $300
Syntheyes – about $600
PFTrack – about $2,500
Boujou – about $10,000
I managed to work this out with autodesk’s matchmover, which comes with maya. Ae Cs6’s match-mover also gave a really good result since the shot was a smooth jib shot.
Thanks again for your help!