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by realthunder
Fri Jul 28, 2017 6:48 pm
Forum: Archived Pull Requests
Topic: Preview: Link, stage two, API groundwork
Replies: 26
Views: 5533

Preview: Link, stage two, API groundwork

This is the second stage of introducing the Link concept into FC. The first stage pull request is here . I haven't submit it as PR yet, because the first one is still pending. I bring out this early as a preview, so that we can have some discussion about how FC shall handle local coordinates in the ...
by realthunder
Fri Jul 28, 2017 4:03 pm
Forum: Assembly
Topic: Links
Replies: 96
Views: 10563

Re: Links

I saw the links is not yet added to master. is this still the planning? I hope it will not be pulled back I have divided my branches into three large patch set against the upstream master, and I've just started submitting the first patch set two weeks ago. I'd expect it to take at least a few month...
by realthunder
Sat Jul 15, 2017 9:02 am
Forum: Archived Pull Requests
Topic: PR #876: Link, stage one, context aware selection
Replies: 2
Views: 1443

Re: PR #876: Link, stage one, context aware selection

As I mentioned in the topic post, the tree view does not work as expected at the moment. What you are seeing in the 3D view are not linked object (i.e. objects in the LinkGroup's local coordinate), those are the original objects in the global coordinate system. Right now, the tree view can only togg...
by realthunder
Fri Jul 14, 2017 11:11 am
Forum: Archived Pull Requests
Topic: PR #876: Link, stage one, context aware selection
Replies: 2
Views: 1443

PR #876: Link, stage one, context aware selection

This is the first patch set for introducing the Link concept into FC. There are two more stages (i.e. major patch set), along with a few small patches. The major patch set must be applied in sequence, so the follow ups have to wait till its predecessor's been merged. What current FC has are Property...
by realthunder
Tue Jul 11, 2017 5:28 pm
Forum: Developers corner
Topic: Question about coordinate system handling in GeoFeatureGroup
Replies: 2
Views: 468

Re: Question about coordinate system handling in GeoFeatureGroup

Before geo group, FreeCAD already has the concept of local coordinate system from the very beginning. Every document object having a Placement property can be considered as having its own local coordinate system. This is not really true. Every object has a Placement, but changing that changes the g...
by realthunder
Tue Jul 11, 2017 10:56 am
Forum: Developers corner
Topic: Question about coordinate system handling in GeoFeatureGroup
Replies: 2
Views: 468

Question about coordinate system handling in GeoFeatureGroup

I've just noticed that @ickby has recently pushed quite a few patches for GeoFeatureGroup(Extension), which changed the behavior of App::Part quite a bit. The one that I'm having problem with is how geo group handles the PropertyLink(ed) objects of its containing object. The current behavior is to f...
by realthunder
Fri Jul 07, 2017 8:46 am
Forum: Python scripting and macros
Topic: List Select Macro (Select hidden sub-objects)
Replies: 40
Views: 5718

Re: List Select Macro (Select hidden sub-objects)

Your macro is nicely done. But as you've already pointed out, it has its limitation, and it is due to the current FC coin selection architecture. You've probably missed my reply in your original post. Doing transparency while selecting/preselecting requires non-trivial changes to FC coin selection r...
by realthunder
Thu Jul 06, 2017 3:05 pm
Forum: Path/CAM
Topic: Path.Area: Welcome, to the new era!
Replies: 254
Views: 28556

Re: Path.Area: Welcome, to the new era!

If retraction isn't specified and you're guessing it, I don't think start.z is the best guess. Shape.boundbox.zmax is safer. What fromShapes sees are only path wires, not the actual milled shape. If 'start' is not give, then it is derived from the path bound, which is why the actual guessed retract...
by realthunder
Thu Jul 06, 2017 8:32 am
Forum: Path/CAM
Topic: Path.Area: Welcome, to the new era!
Replies: 254
Views: 28556

Re: Path.Area: Welcome, to the new era!

Fixed. Previously, fromShapes() would not generate auto retraction when user specifies the 'start' point. Now, the retraction will be set to start.Z + auto detected step down (which is also used for resume_height). Please check.
by realthunder
Thu Jul 06, 2017 2:38 am
Forum: Path/CAM
Topic: Path.Area: Welcome, to the new era!
Replies: 254
Views: 28556

Re: Path.Area: Welcome, to the new era!

In the first case, since verbose is true, shouldn't the move to start include the Z param? Because it can't assume the initial resting position, so in order to perform a vertical/horizontal move, the first one or two moves cannot be verbose. In the second case, when retraction is not specified, the...

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