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Date: Fri, 21 Jun 2013 19:15:12 -0400
Message-ID: <CAM2RGhTs5_3ZCOEmF3Z9tMgxTJWmVLU=3nzU-_O4ThsL7yipzg@mail.gmail.com>
Subject: Re: [geda-user] 3D modelling and gEDA
From: Evan Foss <evanfoss AT gmail DOT com>
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Precedence: bulk

Yes BRL Cad does not truly support STEP or IGES but they are working
on it. The codebase has been steadaly moving to openNURBS for some
time now.

On Fri, Jun 21, 2013 at 7:00 PM, Evan Foss <evanfoss AT gmail DOT com> wrote:
> Openscad is a good suggestion. The limitations with it go back to our
> earlier part of the thread on BOT (Bag Of Triangles) and modeling vs
> CAD. It does not truly understand curves. It would also require QT.
>
> As for BRL Cad's age. It has managed to hold onto it's google summer
> of code participation. As to the user interface complaints many people
> say the same thing about gEDA and we are not talking about using it
> out right, we are talking about interfacing too it.
>
> On Fri, Jun 21, 2013 at 6:21 PM, Kai-Martin Knaak <kmk AT familieknaak DOT de> wrote:
>> Evan Foss wrote:
>>
>>> Respectfully the freecad program is more like an interface to the
>>> opencascade kernel.
>>
>> This is actually a smart move. There have been quiete a few stalled
>> trials to whip up an open sourced 3D CAD application from scratch. It
>> takes just too much of an effort before the resulting binary is
>> remotely usable for real life projects.
>>
>>
>>> I don't think the freecad people could just code
>>> a replacement because they suddenly felt like it.
>>
>> They don't need to. There is openscad, which looks like a viable
>> alternative. After all, this is a "GUI-less 3D modelling software".
>>
>>
>>> Using freecad
>>> which is totally depended on opencascade for this feature is
>>> effectively adding opencascade as a dependency.
>>>
>>> Has anyone looked at BRL-Cad integration. They have API's and
>>> import/export functions for most formats. BRL-Cad is totally open
>>> source.
>>
>> It is ancient to the point that its UI precedes the invention of the
>> computer mouse. This still reflects in the interface. A few years ago,
>> when I was looking for an open source mechanical CAD solution for a
>> serious construction project, I gave brlcad a try. However, I was not
>> able to do a cube with a bunch of holes after half a day spent on
>> tutorials and getting started documents. In addition, STEP import is
>> "still in its infancy" according to brlcad.org:
>>         http://brlcad.org/wiki/STEP_importer_improvements
>> So a major ability, I'd really like to see from import/export to a 3D-
>> mechanical CAD, is not ready for smooth use. I seem to remember I read
>> the exact same wording on the state of STEP import back when I gave
>> brlcad a try...
>>
>> --
>> Kai-Martin Knaak
>>
>
>
>
> --
> Home
> http://evanfoss.googlepages.com/
> Work
> http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/



-- 
Home
http://evanfoss.googlepages.com/
Work
http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/