Design for Free Software
(Not) Knobs 1
(Not) Knobs 2
Throwing some out, a few more variations (3 groups: radial, additive, distance):
Filed under Linux Audio, Widgets
About thorwilI'm a designer from Germany. My main interests are visual and interaction design, free/open-source software and (electronic) music.
I see you still keep the distance as an intuitive alternative regardless the discontinuity it has on the x=-y line.
If the additive solution is not enough there are some other alternatives. One is the orthogonal distance to the x=-y line. The other is using the min(abs(x),abs(y)). Maybe using max is more intuitive but it also has the discontinuity.
David: this is not the distance based behavior we talked about, as I added a measure to rule out jumps. Quoting myself from the previous post:
“The only other way I can think of now, is to use the distance from the initial click and to assume a rotating axis. Initialy, north-west to south-east is plus, the other half minus. If the mouse is moved around the center, plus and minus have to rotate accordingly. Picturing this as a physical object, it would be like a slider that can be rotated around its center.”
Also, I think users will move the pointer along an axis without noteworthy rotation around the center most of the time.
The additive solution alone might be fine, but as a designer I felt I would do a bad job not thinking about alternatives 😉
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