kicad-developers team mailing list archive

[Cirilo Bernardo <cirilo.bernardo@xxxxxxxxx>]

I suggested splitting the 3D models long ago but there was some resistance
even though
I really can't imagine how 3D models belong in a directory structure with
schematic symbols.

Some thought would need to go into the organization of the repositories and
how these
would look like as an offline directory structure for users who prefer to
pull the repositories.
I think any STEP and IGES files should be compressed; their data structure
results in very
high compression (often as much as 10:1). Although this would result in
crazy diffs, git
will not complain. Crazy diffs on modifying STEP or IGES files is
inevitable anyway.

I think ultimately a hosted solution with features similar to Altium's
"vault" is the way to
go; however that requires some hosting infrastructure and development of
the API and
any code/scripts to make it all happen.

- Cirilo


On Fri, Mar 11, 2016 at 12:38 AM, Carl Poirier <carl.poirier.2@xxxxxxxxx>
wrote:

> As I was saying in the other thread, I am in favor of committing the STEP
> models into our repositories. I suggest in the process we separate them
> from the kicad-library repo. I mean having a repository only for 3D models
> instead of being part of kicad-library. We could set the 3D repo as a
> submodule to the kicad-library to ease transition. This would make sense,
> as the STEP models are over 4 times bigger than the VRML ones. Then, we
> could get the right people onboard a new team, the 3D team, to fill this
> new repository.
>
> On Thu, Mar 10, 2016 at 8:17 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx>
> wrote:
>
>> Before I would allow OCE as a KiCad dependency, it must build without
>> modification from source on OSX, msys2/mingw32 and msys2/mingw64 at a
>> minimum.  If it fails this test, then someone will have to provide
>> packages for these platforms.  Has this been tested?
>>
>> On 3/10/2016 4:11 AM, Cirilo Bernardo wrote:
>> > Hi folks,
>> >
>> >  I have a 3D plugin built to support STEP and IGES visualization via OCE
>> > and have linked 3 screenshots below.
>> >
>> > https://drive.google.com/open?id=0By_XTJN-s8aXS1pKSE5uNVp0VG8
>> > https://drive.google.com/open?id=0By_XTJN-s8aXclV4enBueWhnaGM
>> > https://drive.google.com/open?id=0By_XTJN-s8aXclV4enBueWhnaGM
>> >
>> >  The HackRF STEP model was created by Maurice via his KiCad StepUP
>> > tools for FreeCAD.
>> >
>> >  If people would like this plugin to be pushed into 3d_initial_merge
>> then
>> > let me know; I would need to add a CMake option to build it since it
>> > depends on OCE and should not be built by default. Just remember that
>> > these models will not be visible in 3DViewer until the current 3DViewer
>> > has been replaced by one which uses the scenegraph objects from
>> > 3d_initial_merge.  Mario is making a lot of progress with his 3DViewer
>> > branch, so hopefully it won't be too long before we have all the latest
>> > 3D visualization codes. :)
>> >
>> >  One note: although the new 3D viewer will be able to directly use the
>> > STEP/IGES models (no need to convert to VRML), actual MCAD
>> > exports is still a long way away since it depends on the implementation
>> > of a plugin system for reading and manipulating the PCB data itself.
>> >
>> >  Thanks to Tom Wlostowski for the initial OCE investigations and his
>> > sample c++ code for converting STEP to VRML.
>> >
>> > - Cirilo
>> >
>> >
>> >
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>
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