Re: [Audacity-devel] Reassigned spectrograms

[Paul L. <pau...@gm...>]

On Wed, Aug 19, 2015 at 4:58 AM, James Crook <cr...@in...> wrote:

> On 19/08/2015 09:37, Peter Sampson wrote:
>
> James wrote:
> >However your proposal to only configure spectrogram is much simpler and
> low risk to implement, so if Steve and Peter are OK with
> >
> >---
> >Waveform
> >Waveform (dB)
> >Spectrogram
> >----
> >Spectrogram Settings
> >---
> >
> >Then that is what we go for.  It is simpler and lower risk.
>
> I am ok with that (as explained in my previous email), actually more than
> ok - I really wanted Waveform (dB) back at that top level.
>
> But do we need to set Spectrogram settings in its own boxed area - can't
> it just live in the views box?
>
> -----------------------------------------------------------------
>
> Also I'm confused now about the per-track settings issue.
> I thought we always have had the TCP dropdown menu
> making per track settings - what am I missing here?
>
>
> The spectrogram settings are per track, so we can have different window
> size on different tracks.  We can't in current Audacity.  Having track and
> global preferences does have slightly strange results.  Try the current UI
> and these steps:
>
>
>    - Create a track and put a spectrogram on it
>    - Change that spectrogram windows size for this track using the TCP
>    settings.
>    - Go to preferences (Ctrl-P) and change the spectrogram colour
>    preferences to gray.  No effect.
>
> This will still happen of course with the revised scheme without waveform
> settings.
>
> I think this probably isn't going to confuse many users, i.e. I would
> regard it as much less serious than the 'stuck in snap-to' issue we have
> had.
>

The settings dialog recreates the Spectrograms page of preferences, but
with one more control:  the checkbox at top which indicates whether the
track's settings are taken from preferences or are independent.  If you
change any setting the box clears.  If you check the box, all settings
revert to the state of Preferences.

So if one setting is made non-default, all then become independent of
defaults.

I was aware from the start that this might cause some confusions like
this.  I raised the idea in the wiki page discussion that we might need to
reconsider the "granularity" of defaulting of settings.  I was not certain
though of a good user interface for this.

Should the big page of settings be split up into several sections, each
with its own checkbox independent of the others?  How many checkboxes
then?  One for each control is surely excessive.  One each for scale,
algorithm, and colors, perhaps not.

This led to the other suggestion that the spectrogram settings page be
split into multiple pages that are organized into an expanding and
collapsing tree node in the left hand pane of Preferences.  There would be
one checkbox, not more, on each page.

PRL


>
>
> No need to set off the spectrogram settings from the radio-choice.  That
> suggestion by me retracted.
>
> --James.
>
>
>
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