I don't want to interrupt this discussion, but can someone please explain Tolerance.
Regards Charlie On 2 November 2010 15:53, Alastair Leith <[email protected]> wrote: > I think he's using 'backwards' to say second half (duration) in a mirrored > loop interpolation. Nothing to do with in or out values. > > Here's a comp you can assume the direction of the change (derivative if > you're comparing frames) has anything to do with 'phase' or > none/loop/mirror-loop. > > > > On 03/11/2010, at 1:00 AM, George Toledo wrote: > > > > On Tue, Nov 2, 2010 at 9:50 AM, Chris Wood <[email protected]> wrote: > >> Well, depends on what you mean by 'backwards'. In the default >> interpolation, it rises to one then resets to zero - when it does that, it >> effectively 'goes backwards' for one frame. >> >> Chris >> > > Yeah.... or it simply restarts sequence of something happening over a > duration. I guess it depends on how you're looking at it. There's no point > in a semantic melt down ;) > > I mean that for all cases, there can always be a single frame where Result > Value equals end value, but only two cases where values reverse sequence and > those are mirrored loop and mirrored loop once. That kind of makes the > backwards premise odd to me. > > It is equally constructive to simply see if something is increasing or > decreasing, which isn't synonymous with the interpolate being on the front > side or back side of the loop either, since start value can be greater than > end value. The requested functionality of "backwards" strikes me as odd, off > the top. > > > > -GT > >> >> >> On 2 November 2010 13:33, George Toledo <[email protected]> wrote: >> >>> Something can only "go backwards" in mirror loop, so in that way, the >>> requested function of being able to tell "backwards" was kind of a quirky >>> premise in and of itself. >>> >>> -GT >>> >>> >>> On Tue, Nov 2, 2010 at 9:30 AM, Chris Wood <[email protected]> wrote: >>> >>>> Yep, if the point at which it hits 1.0 isn't the exact time it gets >>>> rendered, you don't get 1.0 and have to use tolerance. Problem there is >>>> getting the fudge factor low enough - and if you don't use a queue you >>>> don't >>>> know if the value is rising or falling, so it's as likely to trigger >>>> slightly early as slightly late. >>>> >>>> Add into the mix the random variable of framerate - if you get a >>>> particularly slow frame near the peak, your tolerance has to be bigger to >>>> catch it. So you have tight tolerance and possibly fail to catch it >>>> sometimes, or you have a loose tolerance and sloppy timing. >>>> >>>> Chris >>>> >>>> >>>> On 2 November 2010 13:20, George Toledo <[email protected]> wrote: >>>> >>>>> Chris Wood, ftw. That's the framebased way of accurately doing this. >>>>> The other most direct way would be built in tolerance, except that >>>>> tolerance >>>>> (in any route, whether built in or via math) involves fudge factor. >>>>> >>>>> -GT >>>>> >>>>> >>>>> On Tue, Nov 2, 2010 at 9:16 AM, Chris Wood <[email protected]> wrote: >>>>> >>>>>> This is how I'd handle it. It simply detects when the output starts to >>>>>> fall, so it'll happily work with either loop or mirrored loop, and most >>>>>> curves / tension settings. It'll detect when any value goes from >>>>>> rising/stable to falling, so you can use it elsewhere too (I tend to use >>>>>> other methods in place of interpolation, at that point there's no >>>>>> guarantee >>>>>> you're going to have a convenient way of determining state based on >>>>>> time). >>>>>> >>>>>> Chris >>>>>> >>>>>> On 2 November 2010 12:55, George Toledo <[email protected]> wrote: >>>>>> >>>>>>> "Forget about all this rigamorole way, extra patches, or getting last >>>>>>> frames with queues, and just make it perform quick:" >>>>>>> >>>>>>> Use the Tolerance control on the Conditional method that I suggested. >>>>>>> I think it was included for a reason ;) >>>>>>> >>>>>>> -GT >>>>>>> >>>>>>> >>>>>>> On Tue, Nov 2, 2010 at 8:34 AM, Boštjan Čadež <[email protected]>wrote: >>>>>>> >>>>>>>> >>>>>>>> The easyest way i can think of doing this would be to use a square >>>>>>>> wave LFO alongside the interpolation patch. That will basically give >>>>>>>> you the >>>>>>>> phase port you describe. Add a watcher after that and you have your >>>>>>>> bounce >>>>>>>> pulses. >>>>>>>> >>>>>>>> Cheers, >>>>>>>> fsk >>>>>>>> >>>>>>>> >>>>>>>> On 2. nov. 2010, at 05:56, Keith Lang <[email protected]> wrote: >>>>>>>> >>>>>>>> > Wondering if other people ever want this feature before I submit >>>>>>>> it… >>>>>>>> > >>>>>>>> > Basically, I often want to know when an Interpolation patch has >>>>>>>> just >>>>>>>> > 'bounced' from one of it's Start or End values, and sometimes, >>>>>>>> which >>>>>>>> > direction it's heading in. >>>>>>>> > This would be useful for triggering events at the end of the >>>>>>>> > interpolation, loop, etc. >>>>>>>> > >>>>>>>> > There's no clean way to know this currently — I don't think we can >>>>>>>> > assume it will pass through 0. >>>>>>>> > >>>>>>>> > So I'm suggesting a Phase boolean output port that changes to 1 >>>>>>>> when >>>>>>>> > it's in reverse. >>>>>>>> > >>>>>>>> > If I'm missing an existing way, or a better implementation I'd >>>>>>>> love to hear it. >>>>>>>> > >>>>>>>> > >>>>>>>> > Keith >>>>>>>> > <Interpolation-request.png> >>>>>>>> > _______________________________________________ >>>>>>>> > 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/fskolog%40gmail.com >>>>>>>> > >>>>>>>> > This email sent to [email protected] >>>>>>>> _______________________________________________ >>>>>>>> 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/gtoledo3%40gmail.com >>>>>>>> >>>>>>>> This email sent to [email protected] >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> George Toledo >>>>>>> [email protected] >>>>>>> www.georgetoledo.com >>>>>>> >>>>>>> The information contained in this E-mail and any attachments may be >>>>>>> confidential. >>>>>>> If you have received this E-mail in error, please notify us >>>>>>> immediately by telephone or return E-mail. >>>>>>> You should not use or disclose the contents of this E-mail or any of >>>>>>> the attachments for any purpose or to any persons. >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> 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/psonice%40gmail.com >>>>>>> >>>>>>> This email sent to [email protected] >>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> George Toledo >>>>> [email protected] >>>>> www.georgetoledo.com >>>>> >>>>> The information contained in this E-mail and any attachments may be >>>>> confidential. >>>>> If you have received this E-mail in error, please notify us immediately >>>>> by telephone or return E-mail. >>>>> You should not use or disclose the contents of this E-mail or any of >>>>> the attachments for any purpose or to any persons. >>>>> >>>>> >>>> >>> >>> >>> -- >>> George Toledo >>> [email protected] >>> www.georgetoledo.com >>> >>> The information contained in this E-mail and any attachments may be >>> confidential. >>> If you have received this E-mail in error, please notify us immediately >>> by telephone or return E-mail. >>> You should not use or disclose the contents of this E-mail or any of the >>> attachments for any purpose or to any persons. >>> >>> >> > > > -- > George Toledo > [email protected] > www.georgetoledo.com > > The information contained in this E-mail and any attachments may be > confidential. > If you have received this E-mail in error, please notify us immediately by > telephone or return E-mail. > You should not use or disclose the contents of this E-mail or any of the > attachments for any purpose or to any persons. > > _______________________________________________ > 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/qc.student.au%40gmail.com > > This email sent to [email protected] > > > > _______________________________________________ > 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/charlief%40cellcastonline.com > > This email sent to [email protected] >
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