It's an engineering term, it just means you take a value +/- a tolerance - i.e. we check if the interpolation output is 1.0 +/- 0.1, so we'll get a result if the output is in the range 0.9-1.1. In this case the tolerance is 0.1.
Chris On 2 November 2010 16:07, Charlie Francis <[email protected]>wrote: > 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] >> > > > _______________________________________________ > 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] >
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