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by Mark Szlazak
Fri May 31, 2019 12:13 am
Forum: Users Showcase
Topic: American Hudson locomotive
Replies: 6
Views: 2871

Re: American Hudson locomotive

Beautiful. I really enjoy looking at this example.
by Mark Szlazak
Wed May 29, 2019 6:22 am
Forum: Open discussion
Topic: On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling
Replies: 8
Views: 552

Re: On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling

vocx wrote:
Wed May 29, 2019 6:14 am
Mark Szlazak wrote:
Wed May 29, 2019 6:05 am
Yes.
C'mon, man, I'm asking nicely. No need to be a ******* **** moderator edit with that answer.
Now I understand your background and don’t bother asking me questions again.
by Mark Szlazak
Wed May 29, 2019 6:05 am
Forum: Open discussion
Topic: On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling
Replies: 8
Views: 552

Re: On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling

This paper presents discussions on ... I don't mind you posting papers and all that about geometrical constraints. I just have simple questions. Do you personally understand the mathematics involved in it? Are you working on solvers so this can be implemented in FreeCAD? Or do you just want to draw...
by Mark Szlazak
Wed May 29, 2019 5:13 am
Forum: Open discussion
Topic: On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling
Replies: 8
Views: 552

Re: On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling

Follow up paper by same group: Variational B-rep Model Analysis for Direct Modeling using Geometric Perturbation The very recent CAD paradigm of direct modeling gives rise to the need of processing 3D geometric constraint systems defined on boundary representation (B-rep) models. The major issue of ...
by Mark Szlazak
Tue May 28, 2019 7:28 am
Forum: Open discussion
Topic: On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling
Replies: 8
Views: 552

On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling

On Limitations of the Witness Configuration Method for Geometric Constraint Solving in CAD Modeling This paper presents discussions on the limitations of the witness configuration method. These limitations have rarely been reported in previous studies. The witness configuration method is a very rece...
by Mark Szlazak
Fri May 24, 2019 7:57 pm
Forum: Assembly
Topic: Assembly3 preview
Replies: 1667
Views: 192967

Re: Assembly3 preview

So where is the problem with FreeCAD? All it's source is published. You could write a thesis about this subject and still have covered only 1/2 of the problem. If you're interrested in the subject please look-up that the most free of all possible source code is "Public Domain" and yet it's not cons...
by Mark Szlazak
Fri May 24, 2019 6:25 pm
Forum: Assembly
Topic: Assembly3 preview
Replies: 1667
Views: 192967

Re: Assembly3 preview

So where is the problem with FreeCAD? All it's source is published.
by Mark Szlazak
Fri May 24, 2019 6:53 am
Forum: Assembly
Topic: Assembly3 preview
Replies: 1667
Views: 192967

Re: Assembly3 preview

got a reply, I don't plan to change SolveSpace's license to the LGPL--I deliberately wish and intend for anyone benefiting from this code to also share theirs. Of course, FreeCAD does that in practice; but since the license they've chosen doesn't actually require that, I don't see any way to offer ...
by Mark Szlazak
Thu May 23, 2019 6:30 pm
Forum: Developers corner
Topic: Handbook of Geometric Constraint Systems Principles
Replies: 11
Views: 641

Re: Handbook of Geometric Constraint Systems Principles

kkremitzki wrote:
Thu May 23, 2019 5:54 pm
chrisb wrote:
Thu May 23, 2019 5:47 pm
It's not uploaded here, but we may have to remove the image.
The link too, probably...
Ok will do.
by Mark Szlazak
Thu May 23, 2019 4:16 pm
Forum: Developers corner
Topic: Handbook of Geometric Constraint Systems Principles
Replies: 11
Views: 641

Handbook of Geometric Constraint Systems Principles

Share with interested developers. John Owen co-authored a chapter, he was the creator of the solver licensed by Siemens and used by most commercial CAD software.

Handbook of Geometric Constraint Systems Principles:

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