Ben Rollason
2
AE Expressions Coins
2
COW Coins
Forum Replies Created
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Found it… a new CS3 version is tucked away on the Maxon site…
details here….
ftp://ftp.maxon.net/pub/plugins/aftereffects_CS3.zip
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Hi Dan,
No I haven’t cracked it… that little trick only works for the child object. I’m trying to get my head round your code here.
Am I right in saying u,v,w is a rotation matrix and the trigonometry is a matrix to euler conversion?
I you do find the code that also deals with scaling, that would be very useful – I think I’m reaching the limit of my abilities here!
Best,
Ben.
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I’d just like to add something about the script for the record…
It stops working if the scale of the layer in question is anything other than [100,100,100]. I’ve found that can be fixed by changing the unit vectors in the script. For instance, if the scale of the layer is [200,237,200], the script still works if the first lines read…
C = thisComp.layer(“REFLECTED”);
u = C.toWorldVec([2,0,0]);
v = C.toWorldVec([0,2.37,0]);
w = C.toWorldVec([0,0,2]);This is only for the child object so far. I haven’t checked it with various parents up the line that have various scales… I’ll report back!
Ben.
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Dan, you really are the maestro! You have just saved me from something significantly longer winded.
I can’t say I really understand the ins and outs of the code yet, but I’d be really interested to know roughly what principles it’s based on. I’m also keen to find out exactly what the difference is between toWorld and toWorldVec. The After Effects help isn’t especially enlightening on this subject.
Thanks for your help.
Ben.
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Hi There….
Only about 4 years too late, but if you’re listening, here’s a couple of things that approximate Shake’s mDiv function… you should be able to work backwards from there with a bit of channel juggling, I think.
The method that ought to work, but doesn’t really seem to is using Channel Combiner…
set ‘From’ to Straight to Premultiplied, check ‘invert’ and ‘Solid Alpha’.This is a little unsatisfactory, in that when you then set the track matte to the alpha of an original copy of the image, it doesn’t look quite like the original copy… i.e. it’s not the opposite math of the premultiply that the track matte is doing…
This version is simpler and seems to work better. Put a Channels-> Set Channels effect on and set the ‘Set Alpha To Source’ to ‘Full’. This appears to perform a matte divide and when I perform the above check, it looks exactly as it should.
Hope that helps.
Ben.
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Cunning! I’ll definitely give that a go. It strikes me it would only work for a single object placed amongst the particles, but will almost certainly be cleaner than trying to create a depth map.
Thanks.
Ben.
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I also have a problem with an Intuos 3 in After Effects. The problem is that it registers single clicks as double clicks sometimes. Of course I’ve tried updating the drivers and playing with all the tablet settings, uninstalling, reinstalling etc. None of it seems to make any difference.
It’s not just AE though, although there the problem is particularly pronounced. Even navigating round Mac OS I’m registering double clicks where I haven’t made any.
I’m not sure whether this is a hardware problem or not… and if so, whether it’s to do with the tablet, the pen or something in the Mac. USB ports and RAM sprung to mind, especially since the problem seems to get more pronounced when the system is more occupied with stuff.
I’ve noticed there are quite a lot of similar types of complaints on the web about this.
Any ideas would be most welcome!
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I’m not sure what you mean? Do you mean like a SMPTE film leader?
https://www.youtube.com/watch?v=GfAnyT9QitU
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You could do, but then you’d have to set variables to tell it which side to set the anchor point…then adjust the position accordingly. Unless you had masses of layers, it would be just as time consuming.