[Bf-committers] 3D Connexion ndof support in blender 2.5

[Rafael Ortis]

Hi Mike,

That's very good news!!!!
I'm sending a patch for your branch that makes SpaceNav works in Linux
using the opensource api.
I had to modify the cmake files to include the libspnav but I don't
know if i made it right.
I also noticed that only rotations is available now and but the
original code allowed translations too.

att
Rafael Ortis

2011/1/3 Mike Erwin <significant.bit at gmail.com>:
> Hi all, here's an update for the SpaceNav work I did over the summer.
> Hopefully this will help with future development.
>
>> From the svn logs he made very good progress. He commented there
>> that his ndof implementation is working in Windows and Mac but in my
>> Linux it did not worked :(
>
> Yeah, sorry I never got around to Linux! It should be fairly easy to integrate
> this summer's GHOST_NDOFManager code on that OS as well. Nuclear
> (creator of open source driver) offered to help with this, and his API is much
> cleaner than 3Dconnexion's ancient Magellan API. I highly recommend
> using the open source driver and ignoring the legacy support.
>
>> And based on the part of the code I saw, I think that his work is
>> going to be much more clean than my patch :D
>
> Thanks! The older NDOF system was a mess, so I started over with proper
> handling of the device and its events. Operators, keymaps, all that. As a
> bonus, users no longer need to find and install a plugin -- all support is built
> in to blender.
>
> Built-in support: There was one issue with 3Dconnexion not allowing svn
> distribution of their Mac header files (even though these are part of the freely
> downloadable driver package) but that can be resolved later by using
> the Mac's HID manager directly. Yet another reason to use the open
> driver on Linux! Strangely enough, this is not an issue on Windows.
>
>> When his work is going to be merged to the trunk? Only at the end of
>> the GSoC project?
>
> The project is officially over, after which I got sucked into grad school
> full time. Over the holiday I've been working on blender's tablet code only.
> There are tablet bug reports with my name on them, and I want them gone
> ASAP! :)  This requires simultaneous cross-platform changes, so it's in a
> new branch (branches/merwin-tablet). Once the tablet is working great on
> all platforms, I'll submit one big patch.
>
> SpaceNav is still on my radar, as enthusiastic users, coders, and
> 3Dconnexion employees continue to "encourage" progress in this area.
>
>> From the GSoC project log I think he still has a lot of work to do :(
>
> Yes and no. The foundational stuff is all in place except the Linux
> contribution to GHOST_NDOFManager. That should take a day or two
> once you're familiar. Much more work is needed for operators and spaces
> to actually use these events. I used the 3D view to test the new event
> layers below -- motion events change the view turntable style, and one
> of the buttons fits the selection into view. The bulk of future work will be
> to expand tools and such to deal with NDOF events in interesting and
> useful ways. So I don't have a lot of work to do, but *we* do! :)
>
> That's it for now! Glad someone else is interested in getting this stuff
> working again.
>
> Mike Erwin
> musician, naturalist, pixel pusher, hacker extraordinaire
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