Return-Path: Received: from atl4mhob12.myregisteredsite.com ([209.17.115.50] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP id 5209371 for AE-List@media-motion.tv; Thu, 12 Sep 2013 21:25:00 +0200 Received: from mailpod.hostingplatform.com ([10.30.71.206]) by atl4mhob12.myregisteredsite.com (8.14.4/8.14.4) with ESMTP id r8CJbqcs010635 for ; Thu, 12 Sep 2013 15:37:52 -0400 Received: (qmail 13398 invoked by uid 0); 12 Sep 2013 19:37:51 -0000 X-TCPREMOTEIP: 174.234.196.164 X-Authenticated-UID: torno@sydefxink.com Received: from unknown (HELO ?10.236.200.93?) (torno@sydefxink.com@174.234.196.164) by 0 with ESMTPA; 12 Sep 2013 19:37:44 -0000 Subject: Re: [AE] How to handle complete obstruction of tracking object in mocha References: From: David Torno Content-Type: multipart/alternative; boundary=Apple-Mail-7C73364A-57EF-477F-BAFB-7CCDFA2C8548 X-Mailer: iPhone Mail (10B329) In-Reply-To: Message-Id: <3784D35E-8171-4A0E-A8EC-4539A28CD8CF@sydefxink.com> Date: Thu, 12 Sep 2013 12:37:42 -0700 To: After Effects Mail List Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-7C73364A-57EF-477F-BAFB-7CCDFA2C8548 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Agreed with that technique. If there is enough detail nearby you can tempora= rily move it offset. Otherwise you may also go for a larger scan area. This c= an sometimes help with moving details if enough other details are visible. H= it or miss on that though. The fastest way is to go old fashioned by hand. O= nce you're back in AE, delete the problem keyframes and it will naturally fi= ll the motion in and all you need to do is nudge position to refine. I've do= ne 2D and 3D tracking since 2006 and have dealt with MANY hand tracking situ= ations for 3D and 2D solves. Feel free to ask me any questions. :) David Torno Visual Effects Artist & Supervisor http://www.ghosttownmedia.com O: 213.739.2290 C: 818.391.6060 --------------------- http://www.sydefxink.com http://aeioweyou.blogspot.com http://mactex.blogspot.com "The most useless day is that in which we do not laugh" -Charles Field On Sep 12, 2013, at 12:04 PM, "Mr. Eric D. Kirk" = wrote: > I was going to make a suggestion as well, maybe for a future issue but I k= now Mary Poplin has a tutorial that I think addresses this as well with a si= ngle track. Basically, it was a track for a person's eyes and when they bli= nk of course, it goes to hell. She simply tracked to that point, then durin= g the blink frames, she literally moved the entire mask somewhere else which= maintained it's form, then once the eye was back open, she placed it back o= n the eye. I'd say this is the same as your beams, except then during those= 2 frames or so, you could do those manually in AE with ease I'd say. I've u= sed the technique. >=20 > Just a thought. >=20 > Eric >=20 >=20 > On Thu, Sep 12, 2013 at 2:32 PM, Teddy Gage wrote: >> Okay I think I figured it out if anyone is interested. It was a good= problem I think, it's going to make me better at mocha. I had to rewatch a= couple of tutorial videos before I got it. While using adjusttrack, I was t= rying to keyframe the actual four planar surface corner pin points (the "pos= ter corners") instead of the adjustrack tracking points themselves in order t= o compensate for the distortion caused by the cement beams passing in front o= f the camera. I was trying to reset the "master" keys for adjustrack every t= ime I wanted a change, not realizing it was the tracking points that needed t= o be realigned, but that they can only be accessed if you are working in the= adjustrack tab.=20 >>=20 >> Also, those keys I wanted were already being created automatically when I= realigned between obstructions. Before I was playing whack a mole every tim= e I made a change. The track between obstructions isn't perfect but I can ma= ssage the keyframe data in AE, and it's all already synced. Additionally, I h= ad to reset the anchor point on the imported keyframe data so it all is brou= ght in for tracking as opposed to stabilizing. Took me a while to figure tha= t out too. Anyway, that was probably clear as mud, but maybe it will help so= meone. Mocha is amazing, but it's definitely a different paradigm. >>=20 >> TG >>=20 >>=20 >> On Thu, Sep 12, 2013 at 11:50 AM, Teddy Gage wrote:= >>> Hello, I have a very difficult tracking shot of a car that gets complete= ly obscured by a barrier for several frames during a tracking sequence, thro= wing off the mocha tracking data. This happens about six times during the sh= ot. Now i could make make seven different tracking layers (ie a new layer be= tween barriers each time) but this is tedious and makes syncing up the track= data in ae very time consuming. Id prefer to do it all on one layer. Do I s= witch to a manual track during obstruction? Even adjusttrack cannot seem to c= ompensate, as the entire object is obscured. Trying to track the barriers se= parately to exclude from the search area doesnt work very well either. Are t= here any tutorials about this? What would be the best way to approach this? M= any thanks, >>> TG >>>=20 >>>=20 >>> --=20 >>> Animator & Editor >>> www.teddygage.com >>> Brooklyn >>=20 >>=20 >>=20 >> --=20 >> Animator & Editor >> www.teddygage.com >> Brooklyn >=20 >=20 >=20 > --=20 > Eric D. Kirk | Kirk Productions > The Night Visitor | VFX > 443.206.1347 > www.kirkproductions.com > kirkproductions@gmail.com > IMDB: http://www.imdb.com/name/nm3351363/ > =20 --Apple-Mail-7C73364A-57EF-477F-BAFB-7CCDFA2C8548 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Agreed with that technique. If there i= s enough detail nearby you can temporarily move it offset. Otherwise you may= also go for a larger scan area. This can sometimes help with moving details= if enough other details are visible. Hit or miss on that though. The fastes= t way is to go old fashioned by hand. Once you're back in AE, delete the pro= blem keyframes and it will naturally fill the motion in and all you need to d= o is nudge position to refine. I've done 2D and 3D tracking since 2006 and h= ave dealt with MANY hand tracking situations for 3D and 2D solves. Feel free= to ask me any questions. :)

David Torno
Vis= ual Effects Artist & Supervisor
O: 213.739.2= 290
C: 818.391.6060
---------------------
<= div style=3D"-webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webki= t-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition= -frame-color: rgba(77, 128, 180, 0.230469); ">http://www.sydefxink.com
http://aeioweyou.blogs= pot.com

"The most useless day is that in which we do not laugh"
-Charles Field

On Sep 12, 2013, at 12:04 PM, "Mr. Eric D. Kirk" <kirkproductions@gmail.com> wrote:
=
I was going to mak= e a suggestion as well, maybe for a future issue but I know Mary Poplin has a= tutorial that I think addresses this as well with a single track.  Bas= ically, it was a track for a person's eyes and when they blink of course, it= goes to hell.  She simply tracked to that point, then during the blink= frames, she literally moved the entire mask somewhere else which maintained= it's form, then once the eye was back open, she placed it back on the eye. &= nbsp;I'd say this is the same as your beams, except then during those 2 fram= es or so, you could do those manually in AE with ease I'd say.  I've us= ed the technique.

Just a thought.

Eric


On Thu, Sep 12, 2013 at 2:32 P= M, Teddy Gage <teddygage@gmail.com> wrote:
    = Okay I think I figured it out if anyone is interested. It was a good proble= m I think, it's going to make me better at mocha.  I had to rewatch a c= ouple of tutorial videos before I got it. While using adjusttrack, I was try= ing to keyframe the actual four planar surface corner pin points (the "poste= r corners") instead of the adjustrack tracking points themselves in order to= compensate for the distortion caused by the cement beams passing in front o= f the camera. I was trying to reset the "master" keys for adjustrack every t= ime I wanted a change, not realizing it was the tracking points that needed t= o be realigned, but that they can only be accessed if you are working in the= adjustrack tab.

Also, those keys I wanted were already being created automatically when I= realigned between obstructions. Before I was playing whack a mole every tim= e I made a change. The track between obstructions isn't perfect but I can ma= ssage the keyframe data in AE, and it's all already synced. Additionally, I h= ad to reset the anchor point on the imported keyframe data so it all is brou= ght in for tracking as opposed to stabilizing. Took me a while to figure tha= t out too. Anyway, that was probably clear as mud, but maybe it will help so= meone. Mocha is amazing, but it's definitely a different paradigm.

TG


On Thu, Sep 12, 2013 at 11:50 AM, Teddy Gage <teddygage@gmai= l.com> wrote:
Hello, I have a very difficult t= racking shot of a car that gets completely obscured by a barrier for several=  frames during a tracking sequence, throwing off the mocha tracking dat= a. This happens about six times during the shot. Now i could make make seven= different tracking layers (ie a new layer between barriers each time) but t= his is tedious and makes syncing up the track data in ae very time consuming= . Id prefer to do it all on one layer. Do I switch to a manual track du= ring obstruction? Even adjusttrack cannot seem to compensate, as the entire o= bject is obscured. Trying to track the barriers separately to exclude f= rom the search area doesnt work very well either. Are there any tutoria= ls about this? What would be the best way to approach this? Many thanks, TG


--
= Animator & Editor
www.teddygage.com
Brooklyn




--
Animator &= amp; Editor
www.teddygage.com
Brooklyn



--
Eric D= . Kirk | Kirk Productions
The Night Visitor | V= FX
 
= --Apple-Mail-7C73364A-57EF-477F-BAFB-7CCDFA2C8548--