[LAD] sliders/fans

[Jeff Koftinoff]

On 2011-11-24, at 12:45 PM, Fons Adriaensen wrote:

> On Thu, Nov 24, 2011 at 02:21:25PM -0500, David Robillard wrote:
> 
>> Agreed.  Everything here is about the *view*.  How that maps to actual
>> parameter values is an underlying model issue.
> 
> Not always. Consider the case of 'VCA' groups for faders. That
> is: you have a slider that controls the gain of a group of 
> channels (without those being mixed). The effective channel
> gain (in dB) is the sum of the per channel fader value and
> the one from the group fader. The model sees only this sum.
> 

This is the mistake. In Model View Controller, your VCA group fader would have an associated value in the model.  The view edits this. The controller calculates the resultant effective channel gains.

Regards,
Jeff Koftinoff