Creating a scalable curve with one number box


    Nov 25 2006 | 6:35 am
    Hello. I'm trying to make a patch very similar to the one below. But,
    rather than scaling a linear slope, I want to be able to scale an
    exponential curve. however, with my extremely limited math and logic
    skills, I've had trouble with figuring this out. I've tried using the
    ExpCurve patch by Eric Singer, as well the exponential function of the scale
    object, but I haven't been able to work anything out. Any help appreciated!

    • Nov 25 2006 | 10:41 am
      On 25-Nov-2006, at 7:35, Nic Zwart wrote:
      > I'm trying to make a patch very similar to the one below. But,
      > rather than scaling a linear slope, I want to be able to scale an
      > exponential curve.
      You may want to look at lp.scampi and its .help patch for an example
      of both calculating and drawing exponential curves.
      It's in the Litter Starter Pack. URI below.
      -------------- http://www.bek.no/~pcastine/Litter/ -------------
      Peter Castine +--> Litter Power & Litter Bundle for Jitter
      Universal Binaries on the way
      iCE: Sequencing, Recording &
      Interface Building for |home | chez nous|
      Max/MSP Extremely cool |bei uns | i nostri|
    • Nov 25 2006 | 9:18 pm
      Peter, thanks for the link, but I'm on an intelmac, and according to your
      website, it looks like UB support for litter is in development.
      On 11/25/06, Peter Castine wrote:
      >
      > On 25-Nov-2006, at 7:35, Nic Zwart wrote:
      >
      > > I'm trying to make a patch very similar to the one below. But,
      > > rather than scaling a linear slope, I want to be able to scale an
      > > exponential curve.
      >
      > You may want to look at lp.scampi and its .help patch for an example
      > of both calculating and drawing exponential curves.
      >
      > It's in the Litter Starter Pack. URI below.
      >
      > -------------- http://www.bek.no/~pcastine/Litter/ -------------
      > Peter Castine +--> Litter Power & Litter Bundle for Jitter
      > Universal Binaries on the way
      > iCE: Sequencing, Recording &
      > Interface Building for |home | chez nous|
      > Max/MSP Extremely cool |bei uns | i nostri|
      > http://www.dspaudio.com/ http://www.castine.de
      >
      >
      >
    • Nov 25 2006 | 10:54 pm
      On 25-Nov-2006, at 22:18, Nic Zwart wrote:
      > Peter, thanks for the link, but I'm on an intelmac, and according
      > to your website, it looks like UB support for litter is in
      > development.
      UB will be available to the general public Very Soon.
      -------------- http://www.bek.no/~pcastine/Litter/ -------------
      Peter Castine +--> Litter Power & Litter Bundle for Jitter
      Universal Binaries on the way
      iCE: Sequencing, Recording &
      Interface Building for |home | chez nous|
      Max/MSP Extremely cool |bei uns | i nostri|
    • Nov 28 2006 | 10:47 pm
      Nic Zwart wrote:
      > Hello. I'm trying to make a patch very similar to the one below. But,
      > rather than scaling a linear slope, I want to be able to scale an
      > exponential curve. however, with my extremely limited math and logic
      > skills, I've had trouble with figuring this out. I've tried using the
      > ExpCurve patch by Eric Singer, as well the exponential function of the
      > scale object, but I haven't been able to work anything out. Any help
      > appreciated!
      Two ways for most uses beside an expr object and knowing the math is:
      ftom, mtof or dbta, atodb. one for having the exponential curve of pitch
      to frequency, the other of decibels to level - covers over 90% of all
      needs...
      experiement with scales before or after to fit it to the range you are
      interested. It has the big advantage that the patch will be also easier
      to understand later... (Its closer to a musical way of thinking...)
      Stefan
      --
      Stefan Tiedje------------x-------
      --_____-----------|--------------
      --(_|_ ----|-----|-----()-------
      -- _|_)----|-----()--------------
      ----------()--------www.ccmix.com
    • Nov 29 2006 | 12:45 am
      How about Klaus Filip's llog and ll.!og objects?
      > Hello. I'm trying to make a patch very similar to the one below. But, rather
      > than scaling a linear slope, I want to be able to scale an exponential curve.
      > however, with my extremely limited math and logic skills, I've had trouble
      > with figuring this out. I've tried using the ExpCurve patch by Eric Singer,
      > as well the exponential function of the scale object, but I haven't been able
      > to work anything out. Any help appreciated!
      Cheers
      George
      george@georgekhut.com