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Subject:	Re: [geda-user] Fwd: [geda-commits] pcb: branch master updated
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From:	Peter Clifton <pcjc2 AT cam DOT ac DOT uk>
To:	geda-user AT delorie DOT com
Date:	Tue, 13 Nov 2012 23:08:24 +0000
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On Mon, 2012-11-12 at 20:07 -0800, Russell Dill wrote:
> On Mon, Nov 12, 2012 at 11:47 AM, Peter Clifton <pcjc2 AT cam DOT ac DOT uk> wrote:
> >>Thanks for the great work, Peter.
> >
> > Thanks.. I saw Dan and DJ (in person) last week, along with Stuart, Ales
> > and Steve Morss, and was encouraged to get some of the code I demoed for
> > them upstream ;)
> 
> I'm not sure how easy it is to fix, but panning becomes very
> non-intuitive once the board is rotated.


I wasn't sure how to fix this. First step is to refactor the panning
controls out of the GTK HID's common code, and make it renderer
specific. I have a patch or two somewhere which starts that.

I guess one could project the major axes if the board layout area in
screen space, then determine which screen-space axis (and sign thereof)
most closely matches each direction.

Alternatively, we could just make the pan controls work on the 3D view
space, not in board space.

We could even disable panning by the scroll-bars entirely when in 3D
view mode. (How many 3D cad programs have you seen with panning
scroll-bars? - My total is zero).

-- 
Peter Clifton <peter DOT clifton AT clifton-electronics DOT co DOT uk>

Clifton Electronics

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