Re: Inspirational exercise!
Re: Inspirational exercise!
- Subject: Re: Inspirational exercise!
- From: Arthur Clemens <email@hidden>
- Date: Thu, 3 Oct 2002 16:59:27 +0200
>
I don't like them, either. But they save lots of screen estate. That's
>
why I need to use them.
>
They *appear* to save space, but in order to turn them you need to move
your move over the screen, over other controls.
From
http://craiger.ist.unomaha.edu/ui/Files/patterns.pdf :
Counter example
This screenshot is taken from DSP-FX, a package with real-time audio
effects. In the real
world, physical devices with this functionality use turning knobs as
well. One of the reasons
for this is that they require less space than a slider, especially when
the devices are 1 inch
high. In this example, the same metaphor is used. However, the knobs
require rotation which
is not a problem for human hands but is very unnatural when using a
mouse. A mouse is not
capable of rotation and the user has to mimic rotation by moving the
mouse in a circle.
Effectively the knobs function as sliders and in this case they do not
even save screen space.
If you look at the QuickTime player, it has a quite small slider.
To enhance precision control, you could relate the mouse distance from
the knob to the amount of sliding, similar to what you would do with a
knob control (if you move your mouse further away, you make a bigger
circle so you have more fine grained control).
You could also try a pop-up slider, that in minimized form has the size
of a button - click on it and a bigger slider appears.
>
>
(And I spent two weekends to finally get a knobcontrol for AudioUnits
>
running. I WILL use that ;-)
>
Well , I guess that it, then... :-)
Arthur Clemens
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