kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

Thanks for the information.  The demo video was interesting.

On 12/20/2017 10:33 AM, Jon Evans wrote:
> You can see a bit of how Zuken CR-8000 implements it in this demo video:
> https://www.youtube.com/watch?v=Sz65OUE48sI
> 
> I have played with their software a bit when we were considering it for
> purchase... they have a unified graphics engine for 2D and 3D editing,
> so you can seamlessly switch between the two.
> Routing in 3D is kind of a gimmick IMHO but placement in 3D can be quite
> useful when you are packing things tightly and have proper 3D models of
> parts.
> 
> -Jon
> 
> On Wed, Dec 20, 2017 at 10:20 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx
> <mailto:stambaughw@xxxxxxxxx>> wrote:
> 
>     On 12/19/2017 10:45 PM, Jon Evans wrote:
>     > I would file a bug report for this.
>     >
>     > There is actually an underlying problem that is going to keep causing
>     > little things like this to pop up...
>     > The GAL / tool framework doesn't have a transform matrix applied between
>     > the user inputs and the world coordinate system.
>     >
>     > When the Flip Board view is active, the world coordinates are flipped at
>     > the output stage (when being sent to the renderer).
>     > But, anything that modifies the view in world space (like the scrollbar,
>     > but also actions like aligning objects to each other, moving them around
>     > with the cursor, etc) is going to be backwards.
>     > This is currently solved in the align tool and
>     > PCBNEW_CONTROL::CursorControl by checking for IsMirroredX and flipping
>     > the coordinates around in that case.
>     >
>     > A better approach would be to insert some kind of transform matrix for
>     > actions that are supposed to take place from the perspective of the
>     > "camera", so that "right" is always "right" and "left" is always "left".
>     > Not only would this eliminate a whole category of bugs, but it would
>     > allow for easy addition of additional view options besides "flip board"
>     > -- some advanced tools have the ability to view the board at arbitrary
>     > 90-degree rotations as well, which is a great feature.
> 
>     This certainly would be a cleaner solution to the problem than adding
>     code to every tool and/or object to check if the board view is flipped.
> 
>     >
>     > (it would even open the door to editing the board in 3D, since you could
>     > transform coordinates in arbitrary 3D space into the appropriate
>     > movements in the 2D board world coordinates)
> 
>     I'm not sure how this would work in practice but it would be a really
>     cool feature.
> 
>     >
>     > -Jon
>     >
>     > On Tue, Dec 19, 2017 at 10:30 PM, Henner Zeller <h.zeller@xxxxxxx <mailto:h.zeller@xxxxxxx>
>     > <mailto:h.zeller@xxxxxxx <mailto:h.zeller@xxxxxxx>>> wrote:
>     >
>     >     Hi,
>     >     I just tried the 'Flip Board View' feature. Neat - but is it
>     >     intentional that the horizontal scrollbar now works, uhm, inversed ?
>     >     It feels very unintuitive ...
>     >
>     >     Cheers,
>     >      -h
>     >
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