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by lorenz
Wed Jan 04, 2017 7:02 pm
Forum: Path/CAM
Topic: Missing Plunge Angle
Replies: 4
Views: 679

Re: Missing Plunge Angle

Hi there, I contributed the plunge angle feature half a year ago, in commit c862fc006. I also now noticed that it was taken out again, with commit 84b3617c97, "PATH: Delete misplaced and unused files"... It seems the code is still there, but commented out in now unused routines, it was mostly in the...
by lorenz
Mon Jul 25, 2016 5:07 pm
Forum: Path/CAM
Topic: Problem with profile of a face of a rotated/translated "Body" sub-object
Replies: 4
Views: 1231

Re: Problem with profile of a face of a rotated/translated "Body" sub-object

a Part and a Body ar local coordinate systems. So if you transform one of thse it does not affect the features beneath at all, they are at the exact same location in the local coordinate system as before. How would I transform a sub-object of a Body? The "Placement" property is not available for su...
by lorenz
Sat Jul 23, 2016 10:02 am
Forum: Path/CAM
Topic: Problem with profile of a face of a rotated/translated "Body" sub-object
Replies: 4
Views: 1231

Problem with profile of a face of a rotated/translated "Body" sub-object

Hi there, apparently, there is now the concept of a "Part" and a "Body" in FreeCAD. (I have not quite understood how/why to use them and why only some objects are below such a hierarchy). This seems to create a problem for the Path Profile operation: Previously, I could easily rotate/translate objec...
by lorenz
Sat Jul 23, 2016 9:48 am
Forum: Path/CAM
Topic: A Path command for circular holes and some questions
Replies: 29
Views: 6551

Re: A Path command for circular holes and some questions

To be honest, I would worry first that we create good gcode, and only then about the GUI. A discussion about hundreds of confusing possibilities in a GUI seems quite premature to me ;)
by lorenz
Wed Jul 13, 2016 8:35 pm
Forum: Path/CAM
Topic: A Path command for circular holes and some questions
Replies: 29
Views: 6551

Re: A Path command for circular holes and some questions

Ok, done:
https://github.com/FreeCAD/FreeCAD/pull/217

Meanwhile I found a much cleaner way to detect when the generated circle is wrong: Just look at the generated coordinates directly instead to compare them to some arbitrarily defined small value, see the PR.
by lorenz
Tue Jul 12, 2016 9:47 pm
Forum: Path/CAM
Topic: A Path command for circular holes and some questions
Replies: 29
Views: 6551

Re: A Path command for circular holes and some questions

Something wrong with the patch? Should I make a pull-request? Or is this not necessary anyway, as the "OCC native" method is never used by anyone anyway?
by lorenz
Sun Jun 19, 2016 9:46 pm
Forum: Path/CAM
Topic: A Path command for circular holes and some questions
Replies: 29
Views: 6551

Re: A Path command for circular holes and some questions

Another thing I noticed: Sometimes Profile inserts a full circle at tangential lines attached to an arc, I guess there is some numerical precision issue there: I've noticed this as well but I don't know why it occurs. The libarea algorithm doesn't seem to have the problem and is generally more reli...
by lorenz
Fri Jun 17, 2016 9:34 pm
Forum: Path/CAM
Topic: A Path command for circular holes and some questions
Replies: 29
Views: 6551

Re: A Path command for circular holes and some questions

But the lack of any decent topology information exposed to the Python layer makes all such endeavors quite painful. Does anyone know more about that, or has some hints for me? Can you elaborate on this a bit? I don't understand what you mean. Well, basic adjacency information: For example, given a ...
by lorenz
Wed Jun 15, 2016 11:35 pm
Forum: Path/CAM
Topic: A Path command for circular holes and some questions
Replies: 29
Views: 6551

Re: A Path command for circular holes and some questions

This is already implemented. Operations have a property called 'user label' that is used exactly this way. It doesn't have an input in the task panel yet, unfortunately. Perfect! Another thing I noticed: Sometimes Profile inserts a full circle at tangential lines attached to an arc, I guess there i...
by lorenz
Mon Jun 13, 2016 9:53 pm
Forum: Path/CAM
Topic: A Path command for circular holes and some questions
Replies: 29
Views: 6551

Re: A Path command for circular holes and some questions

This looks good to me. Works as described. I see no reason not to accept this pull request. Thank you! Glad you like it! I see it is merged now in the github repo, thanks. Regarding the labels on the profile operations [...] Anyway, is it helpful to change the labels like this or just annoying? I t...

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