[Bf-committers] Google Summer of Code 2016 - Adding CAD functionality to Blender

[Jaume Bellet]

merging the code on bf master is not in my hands, should be accepted, and
some efforts should be done to avoid problems with others parts of code.
Some time ago I proposed to create branch in bf repo, but was no performed.

Some years ago i started the creation of the new space (on blender 2.4x)
for formal drawings, but i did not finished it.  I think that for that
purpose could be re-used the Freestyle code to get the view.


2016-03-04 13:11 GMT+01:00 João Araújo <jaraujo98 at gmail.com>:

> Your work is amazing Jaume! I guess that it kills a few points from my
> initial list (assuming you are going to merge your code with the Blender
> master).
>
> Still, I would like to ear some opinions on the first topic of my list
> (editor that would allow the user to make ISO-compliant drawings of
> individual parts), which I consider the most important. I can implement the
> other points as a python add-on.
>
> Does anyone have some suggestion as to who I could contact personally that
> could possibly be interested in being a mentor for this?
>
> I will avoid blenderartists for a while, at least until I have more solid
> ideas.
>
> 2016-03-04 11:53 GMT+00:00 Jaume Bellet <mauge at bixo.org>:
>
> > https://vimeo.com/user2228784/videos
> >
> > Here are some videos of work done in a separate repo from bf official
> one.
> > Work there is still in progress, not for production.
> >
> > I tried the snap tools to be applied on blender, but the final decision
> was
> > to wait, as the code was on transform, which is a little messy, and
> > affecting lots of areas, and was said to check if could be integrated in
> > the new coming widgets.
> >
> > Any built-in cad features will be great ;)
> >
> > 2016-03-02 21:05 GMT+01:00 Daniel Salazar - patazstudio.com <
> > zanqdo at gmail.com>:
> >
> > > Freecad could be imported in Blender as a python library. I say could
> > > because there's a little problem with freecad using py2.7
> > > Daniel Salazar
> > > patazstudio.com
> > >
> > >
> > > On Wed, Mar 2, 2016 at 11:50 AM, matmenu <matmenu at live.fr> wrote:
> > > > Hi João,
> > > >
> > > > Good to see some interest in improving Blender's CAD capabilities :)
> I
> > > > think it would be a good idea to speak about it on Blenderartists,
> > > > giving some focus to avoid the Christmas list effect. From experience
> > > > and what I read on the forums though, improving the snapping system
> > > > would be very welcome.
> > > >
> > > > For dimensioning, there are already many addons, 2 of them are really
> > > > good:
> > > >
> > >
> >
> http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Curve/Dimension
> > > > and
> > > >
> > >
> >
> https://www.blender3darchitect.com/2012/10/dimension-lines-for-blender-with-the-caliper-add-on/
> > > > and https://github.com/Antonioya/blender/tree/master/measureit.
> > > >
> > > > I find it interesting to have some work done in Python in this GSoC
> as
> > > > it will ensure users are able to use it in the end :)
> > > >
> > > > Regards
> > > >
> > > > On 02/03/2016 13:17, João Araújo wrote:
> > > >> Good afternoon,
> > > >>
> > > >> I am a college student who has known Blender for a few years now,
> and
> > > would
> > > >> like to contribute in GSoC 2016 by adding CAD functionality. I would
> > > like
> > > >> to ear your thoughts on my project idea.
> > > >>
> > > >> I have been checking on what has been done to implement CAD in
> > Blender.
> > > I
> > > >> didn't find almost any software. Mostly there were forum discussions
> > > about
> > > >> how great it would be if Blender could have CAD features, while
> others
> > > >> stated that it would be impractical.
> > > >>
> > > >> The only actual add-on I found was this one
> > > >>
> > > >> http://www.cad4arch.com/cadtools/index.htm
> > > >>
> > > >> but although it is still being developed, it is paid and only works
> > with
> > > >> Blender 2.49b. The author states an intention of embedding it into
> > > Blender,
> > > >> though.
> > > >>
> > > >> >From what I read, and based on my experience working with CAD
> > > packages, I
> > > >> compiled a list of targets for what I would propose myself to
> achieve
> > > >> during GSoC:
> > > >>
> > > >> ordered from most important to less important
> > > >>
> > > >>    - Add a new editor that would allow the user to make
> ISO-compliant
> > > >> drawings of individual parts.
> > > >>        - This requires, from the top of my head, the ability of
> > drawing
> > > the
> > > >> 6 isometric views, at a standard scale, on standard sized paper (A4,
> > A3,
> > > >> etc.), adding dimensions (lengths and angles), centerlines, axes,
> > being
> > > >> able to do section views (with crosshatch drawing) and detail views.
> > > >>    - Add sketch tools (the ability to draw lines, circles,
> rectangles,
> > > etc.
> > > >> ; this serves the purpose of increasing the precision of drawing
> with
> > > >> Blender)
> > > >>    - Add reference geometry (reference planes and axes)
> > > >>    - Add a dimensioning tool (something that allows the user to edit
> > the
> > > >> dimensions a posteriori the sketch being created)
> > > >>    - Modify the array modifier in order to allow explicit circular
> > > arrays
> > > >>         - This can already be achieved using a trick with empties,
> > but I
> > > >> would like to clarify this workflow and simplify it (for example,
> > > instead
> > > >> of the user rotating the empty by 360/n degrees, where n is the
> number
> > > of
> > > >> objects, he would simply select n and the modifier would take care
> of
> > > the
> > > >> rest)
> > > >>    - Add a fillet tool (a very simple addition; can be done with
> > vertex
> > > >> groups and the bevel modifier currently; once again I simply want to
> > > >> simplify it)
> > > >>    - Add a precise offset tool (currently, I can simply extrude and
> > > scale ;
> > > >> I want to make this work with the dimensioning tool mentioned above)
> > > >>
> > > >>
> > > >> I believe these are all feasible by me, with the first one being the
> > > most
> > > >> complex and one of the few requiring C programming. The others could
> > be
> > > >> implemented as a Python Add-On.
> > > >>
> > > >> Best regards,
> > > >> Joao
> > > >> _______________________________________________
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> > > >
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