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[00:55:24] <skunkworks> I don't think linuxcnc uses G68.. It uses an R in the g10 coordinate systems
[00:55:30] <skunkworks> iiirc
[01:01:20] <skunkworks> the mach yahoo groups and forum traffic sure seems to have slowed way down...
[01:06:52] <skunkworks> maybe that just means everything is working great
[01:08:46] <andypugh> Everybody has moved to Mach4 (or, Kflop and Flashcut)
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[01:35:54] <Tom_L> i used an old old flashcut but moved to linuxcnc
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[02:26:10] <pcw_home> EdingCNC, UCCNC, GRBL also
[02:27:39] <Tom_L> is grbl a subset of lcnc?
[02:28:30] <Tom_L> or derived from the original project..
[02:38:25] <jepler> I think grbl is original. their interpreter is not NIST's.
[02:38:44] <jepler> but you'd probably get more accurate information by asking someone affiliated with that project
[02:45:41] <Tom_L> more a curiosity really
[02:45:57] <Tom_L> know a guy using it
[02:46:09] <Tom_L> trying to get him to switch to lcnc
[02:46:49] <Tom_L> he's afraid the parport won't get him much without getting more hardware
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[03:35:12] <jepler> I think that's probably true.
[03:35:53] <jepler> in terms of stuff like I/O counts, step generation rates, etc
[03:36:47] <jepler> the mp select mini 3d printer has a version of marlin, which is derived in part from grbl, and step rates are adequate, you have more I/Os, and you get analog which is of course important for 3d printing
[03:37:22] <jepler> but there's no HAL, and the gcode dialect doesn't have lots of nice linuxcnc stuff like looping, variables, math, cutter comp, etc..
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[04:00:43] <skunkworks> and the grbl that I tested on my uno didn't have really good trajectory control. it was an exact stop planner with some spookyness to blend corners
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[04:03:47] <skunkworks> http://www.cnczone.com/forums/opensource-software/271966-grbl-logging-linuxcnc.html
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[16:06:35] <Roguish> JT-Shop: hey, what's for dinner?
[16:09:32] <JT-Shop> ham steak, lobster rolls, baked potato, cranberry sauce, gravy
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[16:42:27] <Roguish> stylin'
[16:42:54] <skunkworks> zlog,
[16:42:54] <zlog> skunkworks: Log stored at
http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2016-11-24.html
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[20:24:51] <kwallace_ofcb> This looks interesting for machine modeling:
https://www.youtube.com/watch?v=x0mt_2mDzlg
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[20:27:22] <andypugh> I am clearly not Pythonic
[20:27:36] <andypugh> File "./python/remap.py", line 194, in g71
[20:27:36] <andypugh> g7x(71, **words)
[20:27:37] <andypugh> TypeError: g7x() takes exactly 2 arguments (1 given)
[20:31:30] <kwallace_ofcb> I usually try to look at the calling command to see what it wants. Sometimes I add a dummy argument to see what happens.
[20:32:21] <andypugh> G7x(71, **words) _is_ the calling command.
[20:33:11] <kwallace_ofcb> I wonder if **words is expected to have two arguments in it?
[20:37:36] <andypugh> I dont understand what the * really does
[20:41:28] <bpuk> ** is arbitrary number of arguments
[20:42:20] <bpuk> passes as a dictionary I think
[20:43:09] <andypugh> Yes. except when it doesn’t
[20:44:09] <bpuk> words is a dict
[20:44:12] <bpuk> or should be
[20:44:12] <andypugh> Yes
[20:44:19] <andypugh> Words is a dict.
[20:44:42] <andypugh> def g71(self, **words)
[20:44:52] <andypugh> g7x(71, **words)
[20:45:12] <andypugh> Was the plan, where:
[20:45:24] <andypugh> def g7x(self, mode, **words)
[20:45:31] <bpuk> and you've done words = {'x':1,'z':1} or similar?
[20:45:53] <andypugh> Not me, remap does that. Passes a dict of the parameters to G71
[20:46:00] <bpuk> sorry, just checking for the obvious stuff - after that my python-fu gets weak
[20:46:11] <andypugh> {'i': 0.5, 'p': 100.0, 'k': 0.5, 'd': 0.5}
[20:46:32] <bpuk> yup, that looks like a dict
[20:46:37] <andypugh> It is.
[20:46:41] <bpuk> should work
[20:46:47] <bpuk> but obviously doesnt
[20:47:01] <andypugh> But when I pass it to g7x it isn’t a dict any more.
[20:48:12] <andypugh> I have tried G7x(71, words) / g7x(71, *words) / g7x(71, ** words) and, in desperation g7x(71, ***words)
[20:48:54] <bpuk> is the third one a typo? with python and whitespace craziness...
[20:50:07] <andypugh> Actually, the first one might well be cortect, the error message might not be caused by what I thought.
[20:53:32] <bpuk> ah-ha
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[20:54:14] <andypugh> Hmm, no.
[20:54:19] <andypugh> Well, yes and no
[20:54:22] <andypugh> mainly no
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[20:55:26] <andypugh> G7x(71, words) passes the right number of arguments, but the “words” that g7x() gets is empty.
[20:56:59] <bpuk> bleh. I should get back onto the o-word stuff tomorrow - this week has been pretty much a write off
[21:07:51] <andypugh> Ah, that’s interesting. The dict is neog passed, but it’s going to the wrong function parameter
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[22:28:59] <tinkerer> andypugh: try this:
[22:29:45] <tinkerer> $ python
[22:29:56] <tinkerer> >>> def testargs(a, *b, **c):
[22:30:16] <tinkerer> print a
[22:30:24] <tinkerer> print b
[22:30:30] <tinkerer> print c
[22:30:40] <andypugh> tinkerer: I think I got to the root of the problem, my parameter was being consumed by a spurious “self” in the function definition.
[22:30:46] <tinkerer> <enter>
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[22:30:55] <tinkerer> >>> testargs( 1, 2, 4, 5, x=3, y=6)
[22:31:09] <andypugh> But I did learn a lot about what the * does in Python getting to there
[22:31:19] <tinkerer> :D
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[22:32:38] <tinkerer> spurious sounds funny
[22:34:18] <tinkerer> is the function not a member of a class?
[22:34:53] <andypugh> It was but it isn’t now.
[22:35:29] <andypugh> G71 and G72 are, but they both call G7x which isn’t
[22:35:44] <tinkerer> aha
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[23:39:34] <andypugh> Does a re-mapped G-code know its starting position? It is probably hidden in linuxcnc.stat somwhere, but things like joint_actual_position are the real current values, not the lookahead values.
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