[cad-linux] Re: the parametric project

Roland,

Dom't worry, you do not have to deal with the complete 300mb codebase.
You will see that it is sufficiant to deal with only 100mb. :-)

Ok, honestly, OpenCascade consists out of 14.000 header files.
Quite a beast. But the number of really important classes
are around 200-400. This is not that much. The trick with OC
is to know where to start. If you are interested, I can give you
some tips to get started.=20

I think that there are good reasons to use OC. At least there
have been good reasons for me, for example I have no idea
how to compute the intersection curve of 2 bspline surfaces...
or how to make a chamfer at the resulting intersection...
or how to triangulate the two surfaces and the chamfer...

But on the other hand, I very well know how to subclass the=20
OC Geom_Curve classes to integrate the 3D geometry capable=20
constaint solver I found after two weeks searching the internet...

So, for me the choice to use OC was obvious. But I agree that
writing your own modeller is definitly a interesting project.

Bye,
Thomas

> Thomas,
> I will have another look at OpenCascade. My first attempts all failed
> because I didnt want to become familiar with a 300 meg codebase.
>
> But I realize that now is the time to consider the options.
> Roland
>
> --- Thomas Schmidt <thomas.schmidt@xxxxxxxxxx> wrote:
> > Roland,
> >
> > I really meat "brave". No sed needed. :-)
> > But why not start with existing software? OpenCascade might
> > come into mind. They have everything onboard, except=3D20
> > "application parametrics", aka constaint solving and they have
> > no database backend.=3D20
>
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