Redux: Looking at the two qtz's that are actually inside of the backdrops plugin sheds a bit of light on how to hook up the sub-patches. I feel sort of lame about it, because I've looked at them before and it was lost on me at the time.
Best regards, George Toledo On Tue, Apr 13, 2010 at 12:25 PM, George Toledo <[email protected]> wrote: > > > On Tue, Apr 13, 2010 at 4:15 AM, Achim Breidenbach <[email protected]>wrote: > >> Hello George, >> >> thank you for pointing me in the direction of "private patches". Its been >> a while when I was looking into the library of hidden patches and it has >> some surprises for me. >> >> Actually I tried to do my own "backdrop" thing some times ago because I >> thought Apple did it "outside of QC". But here it is! Looking into the Photo >> Booth package you can find a composition called "Backdrops". In this >> composition the "Backdrops" patch is used and shows that the "Resolution" >> input isn't connected at all. So it is implemented on the "do the right >> thing"-bases :-). From here it was easy to use this particular patch to >> create my own composition with a "remove backdrop"-option from a video >> source. >> > > I've done this before as well with sample and hold, and blend/mask patches. > > >> >> Unfortunately the other Backdrop patches aren't used neither in "Photo >> Booth" nor in "iChat" so I couldn't figure out what they are doing and how >> to use them. >> >> What did you learn about those patches? What are you trying to do with >> them? Maybe there is another solution to your problem without using those >> patches? >> > > It's intellectual curiosity, more than anything. Since I started using > Quartz Composer, I've desired to understand every patch available > completely. At this point, it is mainly the very obscure, undocumented > stuff/private plugins that have some unresolved issues in my mind (like > feeding some of the iDVD quad with the correct structure as well). > > For example, when I feed an x/y structure to the inputResolution on the > Options patch, it doesn't seem to make it downsample correctly. I'm also > interested in the structure that the Options puts out, and how to use it > fully. For example, it puts out one field of info called "Camera Shake > Relaxation", as well as some other interesting info, that I'm curious about > using fully. In addition, I'm curious about the image capture of the > background, and how this patch performs it, as opposed to approaching it > with the already available patches, to see if there are any benefits. > > If you want to observe that output structure just hook it up in a chain and > hover over the output of Options. I would have thought that perhaps the > Noise Statistics could be delivered by the Options, but it doesn't look like > that's the case. > >> >> best, >> >> Achim Breidenbach >> Boinx Software >> > > Thanks for the thoughts Achim! > > -George Toledo > > > >> >> On 13.04.2010, at 00:57, George Toledo wrote: >> >> Could I please get feedback, and possibly an example, on the type of >> structure that I need to create to successfully feed the Input Resolution >> structure input on the Backdrops Options patch? >> >> I can tell that the Options input on the various Backdrops subpatches need >> to be fed with the output from the Backdrops Options patch, which in turn >> needs to be fed with a structure that feeds the Input Resolution parameter >> on the Backdrops Options patch. I also see that the Noise Statistics inputs >> can be fed from the Noise Statistics output from the Backdrops Accumulator >> patch. However, this all hinges on getting the proper resolution structure >> to the Backdrop Options patch. >> >> I understand that this is an undocumented plugin, maybe we shouldn't be >> using it in QC, etc., etc., but it's *here* and I would like some specs >> on it, if possible. >> >> Best, >> George Toledo >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Quartzcomposer-dev mailing list ([email protected]) >> >> Help/Unsubscribe/Update your Subscription: >> >> http://lists.apple.com/mailman/options/quartzcomposer-dev/achim%40boinx.com >> >> This email sent to [email protected] >> >> >> >
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