Thanks for these posts. Now I see how I can also solve my puzzle with Timeline patch. In a way, even more precisely controlled. Ali
On Apr 29, 2013, at 9:50 AM, Achim Breidenbach <ac...@boinx.com> wrote: > Hi Alastair, > > in my experience the Timeline patch is great for such things! I looked at > your composition and have an optimization suggestion: (I am sure you know all > about this, its just for the records ;-) ) > > You don't need to have two calculation paths for you "time value" and two > separate Timeline patches. I would suggest to combine the two Timeline > patches in one, because then you see both of the animation paths in one graph > (click on "Add New Timeline" at the bottom of the Timeline patch graph)! This > is very helpful to synch them. > > In my opinion it is a good idea to have the timeline timebase only running > between 0 and 1. (You can zoom in on the time axis and the value axis > separately in order to have the same precision for editing) With this you > always know what you have to put in the "Patch Time" of the timeline patch > and you don't struggle with your Interpolation patch and the "Duration" input. > > Something similar applies to the output value of the Timeline patch: I often > let them run between -1 and 1 (or 0 and 1) and use them as a base in a Math > patch. In your composition you would be able to dynamically adjust the range > of the X-Position of the Billboard patch displaying the text which may be > important because your text can go wider than the screen width (in this case > the text won't move out of the screen completely, right?) The Math-patch > could have a formula like this: > > BillboardXPosition = TimelineValue * ((RenderingDestinatinDimensionsWidth + > ImageWithStringDisplayWidth) / 2.0) > > > I hope this make sense. > > best, > > > Achim Breidenbach > Boinx Software Ltd. > > > On 29.04.2013, at 01:36, Alastair Leith wrote: > >> Funny timing. I've never been a fan of timeline b/c I was 'grown up' on >> Adobe beizier curves and it irritated me how easy it is to knock a whole >> curve out of place in the TimeLine patch graph editor when I first started >> using QC. >> >> Anyhow I end up using TL patch last week to make some movie titles as I had >> a tight deadline and someone looking over my shoulder so didn't want to get >> stuck on too many mathematical dead ends using chains of interpolation >> curves like I usually would attempt as first option. >> >> I set the transitions over a nominal ten second period and connected a >> Interpolation patch that counts from 0 to 10 to the Timeline external time >> input. Then I tweaked the Interpolation duration input to make fine adjusts >> to the overall playback speed. I feed the Interpolation patch external time >> input with a Stop Watch patch that was triggered by a patch time value. I >> could just have easily done this interpolation curves but thought I'd give >> Timeline a run an it was a positive experience for once :-) >> >> <double.qtz> >> >> I rendered out in Kineme Quartz Crystal with motion blur set to 8. >> Unfortunately I couldn't get Premier to recognise the Alpha so I had to use >> the outputs in Lighten/Screen Blend Mode which was frustrating. I was >> outputting as H264 which I thought has an alpha channel?! It seems from this >> thread on Stack overflow H.264 Alpha is not implemented widely outside of >> Apple QT Pro. Also I couldn't find a way to get Premier to input a TIFF >> sequence which is a industry standard way of bringing animation in over film >> footage in FCP. >> >> Best >> Alastair >> >> Alastair I Leith >> >> Useful Design >> 03 9480 5506 >> 0432 889 831 >> 30 Birch St >> West Preston >> VIC 3072 Au
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