#emc | Logs for 2012-01-15

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[00:07:15] <JT-Shop> hi rob__H
[00:08:09] <EmcPT> Trying to load a used file into emc to see the differences that I need to do in relation to my fanuc, and I stoped in the following line:
[00:08:28] <EmcPT> G01 X68.500 Z0 F0.1
[00:08:37] <EmcPT> G01 X67.500
[00:08:45] <EmcPT> G02 X67.500 Z-2.500 R1.250
[00:09:34] <EmcPT> Error is: Current point as same point of arc
[00:10:28] <EmcPT> ? The commanded end point is not the same... origin point is X67.5 Z0; end point is X67.5 Z-2.5
[00:10:50] <andypugh> EmcPT: Are you in the right plane?
[00:11:56] <andypugh> I guess this is a lathe? You might need a G18.
[00:12:31] <EmcPT> ups that could be it. But my config is for sure for lathe - that should be automatically, or not. You are right. Active Gcode is G17
[00:13:02] <EmcPT> must put g18 as a start up mode
[00:13:21] <andypugh> Aye, you can add it to the INI file, maybe a G7 too
[00:14:56] <EmcPT> 5*
[00:16:00] <JT-Shop> you should always have your setups in the preamble in case something has changed them
[00:16:28] <JT-Shop> no surprises that way :)
[00:16:59] <andypugh> The INI has [RS274NG] RS274NGC_STARTUP_CODE. You can add a G7 and a G18 there, http://www.linuxcnc.org/docview/html/config_ini_config.html#sub:%5BRS274NGC%5D-section
[00:19:17] <andypugh> But that can be over-ridden by G-code you ran earlier, so always starting with G7 G18 G90 G90.1 G54 (etc) can save trouble
[00:19:35] <JT-Shop> Hi Andy
[00:19:45] <andypugh> Probably G95 for a lathe too
[00:20:54] <andypugh> Today was a partial success, I think we can learn to cast white-metal bearings, but we can't do it yet.
[00:21:16] <JT-Shop> cool
[00:21:33] <andypugh> I was hoping it would turn out to be easy.
[00:22:25] <JT-Shop> what is white-metal?
[00:22:30] <andypugh> In fairness, all the problems were caused by the wooden bungs in the oil-scoop holes leaking, so an engineered solution is called for.
[00:22:46] <andypugh> Babbitt?
[00:23:30] <JT-Shop> ah ok, understand that
[00:24:02] * JT-Shop pulls the plug on the old plasma computer with the 5i20 and switches to the 5i25/7i76 computer
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[00:28:07] <andypugh> <fizzz> <bang>
[00:28:19] <JT-Shop> I hope not LOL
[00:29:19] <andypugh> Ooh! had on unusual failure mode today. I was boring out a white-metal bearing, when one shred of swarf flew into the low-voltage light. Which has no bulb, and shorted the terminals, and blew something...
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[00:30:13] <andypugh> (Not my mill, I didn't know it was on, it has never had a bulb, and was probably delivered that way)
[00:30:43] <JT-Shop> Murphy at work then
[00:31:01] <JT-Shop> bearing for?
[00:31:07] <andypugh> LP8389
[00:32:00] <JT-Shop> ah yes, same one with the oil scoops?
[00:32:15] <andypugh> Indeed
[00:32:24] <JT-Shop> neat!
[00:37:17] <EmcPT> Sorry to get in the way, but some one can test the small example? Still cannot work out what is wrong on the G03 movement. I have XZ plane set up, I am in diameter mode.
[00:37:46] <EmcPT> G01 X67.500 Z0
[00:37:49] <JT-Shop> pastebin the g code
[00:38:00] <EmcPT> G02 X67.500 Z-2.500 R1.250
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[00:38:51] <EmcPT> just this, should be enough. Start position to end position. Radius is 1.25mm. No tool compensation being used to stay simple.
[00:39:25] <JT-Shop> G01 X67.500 Z0
[00:39:32] <JT-Shop> G02 X67.500 Z-2.500 R1.250
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[00:39:54] <JT-Shop> just got the linux comp on the irc had do copy and paste
[00:40:10] <andypugh> On the face of it, that ought to work
[00:40:11] <jt-plasma> hmm mm
[00:40:37] <jt-plasma> ah radius arcs are troublsome
[00:40:44] <jt-plasma> should use center format
[00:40:48] <EmcPT> ought to work"
[00:40:53] <EmcPT> means what?
[00:41:21] <andypugh> Ah, yes it doesn't like some sizes of arcs
[00:41:23] <jt-plasma> http://www.linuxcnc.org/docview/devel/html/gcode/gcode.html#_radius_format_arcs
[00:41:57] <jt-plasma> are you trying to do a spiral down?
[00:42:26] <andypugh> But, it still ought to work, even if the actual path might be a bit off.
[00:42:34] <jt-plasma> you have to have both axis for radius mode
[00:42:38] <andypugh> jt-plasma: Lathe
[00:42:46] <jt-plasma> otherwise it is confused
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[00:43:14] <jt-plasma> oh Z lathe
[00:43:35] <jt-plasma> ok I'm confused
[00:44:09] <EmcPT> this is for machining, for example the top part of a sphere.
[00:44:31] <EmcPT> In fact it is for producing rubber orings
[00:44:56] <EmcPT> the button part is done with a simillar arc, but reversed
[00:44:58] <jt-plasma> ah works for me
[00:44:58] <andypugh> EmcPT: You can buy them, you know :-(
[00:45:10] <EmcPT> depends on the size and material
[00:45:11] <andypugh> (wrong smiley)
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[00:45:34] <andypugh> Firing up the VM
[00:45:39] <jt-plasma> G21 G18
[00:45:43] <jt-plasma> then your code and it runs
[00:45:53] <jt-plasma> oh and a F
[00:46:25] <EmcPT> F was on a line before
[00:47:07] <EmcPT> and I have on the window with the active gcodes both G18 and G21
[00:47:19] <EmcPT> will try to force them
[00:47:47] <JT-Shop> I ran it several time with no problem, what error does it show
[00:51:38] <clytle374> pcw_home, any idea when the sheet for the 7I73 will be out, kinda been delaying our order.
[00:52:24] <JT-Shop> now I know why Andy works on the LP.8389 http://union.ic.ac.uk/rcc/rcsmotor/wp-content/uploads/Maintenance.jpg
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[00:53:11] <andypugh> I took her to a ball, she's lovely. :-)
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[00:54:18] <JT-Shop> :)
[00:54:35] <JT-Shop> looks very interested in the motor
[00:55:28] <andypugh> Yes, she is very mechanically competent, I think she is a mechanical engineering student.
[00:55:28] <andypugh> ]
[00:56:18] <andypugh> In that picture I think she is probbaly adjusting the magneto
[00:56:44] <JT-Shop> no battery?
[00:57:11] <andypugh> Only for the lights, and that is a total-loss system
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[00:57:23] <andypugh> Originally a 4V system.
[00:57:35] <JT-Shop> hand crank?
[00:57:43] <andypugh> But now 12V because 4V bulbs are hard to find.
[00:57:50] <andypugh> Yes, hand start.
[00:58:04] <andypugh> Whichm with a 9 litre 4-cylinder is not easy
[00:58:20] <JT-Shop> it's amazing what they could do back then with almost nothing to work with
[00:58:52] <JT-Shop> takes a big chap to spin it over I'd bet
[01:00:08] <andypugh> Luckily is has a secondary ignition system, a lot like a doorbell but with a HT coil. You crank the engine a few times, then turn on the "trembler coil" and that buzzes sparks through one of the cylinders. If there is anything combustible in there, it kicks the engine round fast enough to operate the magneto.
[01:00:09] <EmcPT> Got the issue. Although the current active codes where G18 and G7,
[01:00:32] <EmcPT> loading a file (my case) did not worked.
[01:00:47] <andypugh> EmcPT: That's odd
[01:00:47] <EmcPT> only using the MDI line
[01:01:24] <JT-Shop> i think I was in G8 when i tested it
[01:01:36] <andypugh> JT-Shop: You can often start the engine on trembler only, sometimes hours later.
[01:01:48] <JT-Shop> neat!
[01:02:19] <andypugh> Ah! Yes, you might need to half/double the radius in G7
[01:02:28] <JT-Shop> yes
[01:02:51] <Jymmm> Howdy fine people of emc!
[01:02:55] <andypugh> Try k -0.125..
[01:03:33] <andypugh> (oh, cripes, it's Jymmm again)
[01:03:35] <EmcPT> no. it really should not matter as the initial X value is equal to the end X value
[01:03:52] <Jymmm> andypugh: What do you mean AGAIN? I never left =)
[01:03:55] <EmcPT> in fact I tested in mdi mode with both modes and both works
[01:04:12] <andypugh> EmcPT: Ah, OK.
[01:04:33] <EmcPT> it is something that is getting on the way in the file being loaded
[01:04:45] <andypugh> I always use IK
[01:04:50] <JT-Shop> my Continental Z145 gas engine in my 1956 tractor has provisions for hand cranking, even at 2.4 litre I don't want to try
[01:05:24] <JT-Shop> EmcPT: I always use center offset arcs as well
[01:05:40] <EmcPT> I should use R as all my code is R. Also my software that creates the code was all done with radius.
[01:05:47] <andypugh> JT-Shop: Ours is 4 of them in a line, but the compression ratio is low, and you only have to pull it over TDC, not spin it fast enough to fire.
[01:06:37] <andypugh> EmcPT: So, is it working now, or is there still a problem?
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[01:07:41] <JT-Shop> EmcPT: please note the limitations of using radius mode in the link I provided earlier
[01:08:08] <JT-Shop> the Z134 is 7.1:1 compression
[01:08:54] <JT-Shop> opps not Z145 on my tractor but Z134
[01:09:49] <JT-Shop> long stroke 4 cylinder 84mm bore x 98mm stroke
[01:10:16] <EmcPT> I can only make it work using the MDI line. So the problem should be, well... me.
[01:10:48] <EmcPT> JT-Shop: I saw that. will try now.
[01:10:57] <JT-Shop> if it works in the MDI it should work as a program with a M2
[01:11:25] <andypugh> JT-Shop: The fire engine is about 4:1
[01:12:06] <andypugh> It was 1916, they didn't actually know much about engines then
[01:13:11] <andypugh> EmcPT: Pastebin the whole programme (www.pastebin.com)
[01:13:12] <robin_sz> ah, dapugh
[01:13:22] <robin_sz> you did not get stuck in a hole then?
[01:13:46] <andypugh> No, nor did I fill my trousers with molten lead today
[01:13:57] <robin_sz> also good
[01:14:14] <robin_sz> casting projectiles for the rail gun?
[01:14:16] <EmcPT> Using the K instead of the radius, the error was that I was not using the correct plane. The file only runs if the file have G18 on it. Strange as the active Gcode is G18 and it runs from MDI. Also I have 100% sure that no plane change is done on the file.
[01:14:27] <andypugh> Indeed, and expensive at £170 for the 7kg ingot
[01:14:39] <robin_sz> wow
[01:14:49] <robin_sz> dont they have church roofs near you?
[01:14:49] <EmcPT> it is like the active gcodes are not so active ...
[01:15:14] <andypugh> robin_sz: It's actually 93% tin
[01:15:28] <robin_sz> wave solder machine?
[01:15:48] <andypugh> robin_sz: Big-end bearings
[01:16:06] <robin_sz> ah, white metal, righty
[01:16:36] <robin_sz> I did help my mate empty out a wave solder a while back, that was amausing
[01:17:13] <robin_sz> heat up good and hot, use kitchen ladle to cast it bit by bit into house bricks
[01:17:28] <robin_sz> took all morning
[01:18:17] * JT-Shop has a few minutes left to wait for the pastebin to see before chow
[01:18:53] <robin_sz> whose is the big cincinatti 5 axis with EMC I keep seeing on boobtube?
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[01:19:41] <JT-Shop> hmmm I knew that but forgot
[01:19:48] <EmcPT> http://pastebin.com/f4xJcpdX
[01:20:09] <andypugh> robin_sz: You missed the pic of the lovely Alice adjusting the magneto? http://union.ic.ac.uk/rcc/rcsmotor/wp-content/uploads/Maintenance.jpg
[01:20:28] <EmcPT> with the G18 on it works. Try to remove G18 from the code but put it as active.
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[01:21:32] <jt-plasma> I always put what I expect to be in place in the preamble of the g code file
[01:21:35] <robin_sz> wow, heres one: http://www.youtube.com/watch?v=Gn3Z4Zucj5Q that must have been a an f off big lump of alloy before they cut into it
[01:21:46] <andypugh> robin_sz: The big Cinci is Stuart (maybe Stewart) Stevenson I think,
[01:22:14] <jt-plasma> yea that guy
[01:22:29] <robin_sz> k,
[01:22:40] <andypugh> EmcPT: I agree that if it is shown as active, and you still need it in the code, that that is a bug.
[01:22:42] <robin_sz> is that yours?
[01:23:08] <robin_sz> the red thing
[01:24:42] <andypugh> robin_sz: Who are you asking? Neither are mine, but have borrowed both.
[01:24:53] <EmcPT> what is the procedure for bug following? I am very very far away from being able to work on solutions... for now I can only describe problems.
[01:25:30] <JT-Shop> EmcPT: http://linuxcnc.org/index.php/english/community
[01:25:33] <robin_sz> andypugh, I meant the red thing in the "Maintenance.jpg"
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[01:25:55] <JT-Shop> lovely red lass
[01:26:13] <robin_sz> or the tractor/lorry thing
[01:26:23] <robin_sz> I was being ambigous as to which ;)
[01:26:30] <andypugh> And I was wondering if you meant the Wrexham Red vehicle, or the redhead?
[01:26:50] <EmcPT> JT-Shop: Did you tested the code? I do not want to submit the error and at the end the error was me.
[01:27:02] <robin_sz> ah right
[01:27:16] <robin_sz> i guess they are the sort of thing best borrowed
[01:27:19] <JT-Shop> EmcPT: yep it ran for me
[01:27:33] <JT-Shop> http://www.youtube.com/watch?v=ipM20JtNuqA
[01:27:38] <EmcPT> even without the G18?
[01:27:49] <JT-Shop> just as you posted it
[01:28:22] <EmcPT> but the issue is: remove the G18
[01:28:50] <EmcPT> since you run it before, it should be active
[01:29:06] <EmcPT> and the code should run, even withtout on the file
[01:29:17] <EmcPT> as no G17 was programmed in between
[01:30:01] <andypugh> Aye, the fire engine belongs to the student's union, and I don't know Alice's status at the moment, but she was my guest at a ball once, and astonished me by actually staying with me and my friends all night and not wandering of to the other students. (at the time she was about 21, and I was about 40)
[01:30:40] <JT-Shop> good practice is to define all the settings you expect in the preamble of your g code file
[01:30:51] <andypugh> She's good company, and helped develop the Red Bull KERS system.
[01:30:55] <JT-Shop> and yes it does error out without the G18
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[01:31:37] <andypugh> (I know my league, she's out if it) :-)
[01:31:44] <JT-Shop> LOL
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[01:32:22] <JT-Shop> you could just die happy...
[01:32:55] * JT-Shop hears the dinner bell and wanders inside
[01:33:33] <KimK> andypugh: Hi Andy, I understand you've been trying out gEDA/gschem/PCB, etc.? So have I, still learning the basics, not much to report yet. Still trying to master making a double-sided PCB edge connector footprint.
[01:34:50] <andypugh> I haven't even got that far, but so far it looks no worse than the other big players, and won't randomly stop working. Running native on the Mac is a huge plus.
[01:35:32] <KimK> robin_sz: Do a YouTube search for sws1253 for Stuart's videos. Some of them are best viewed by waiting for the whole thing to load in pause, and then running the slider back and forth to view.
[01:36:34] <robin_sz> andypugh, heh, well, that sounds a fun night anyway.
[01:37:04] <robin_sz> rare to find female engineery types anyway
[01:37:17] <robin_sz> http://www.youtube.com/watch?v=XV9LzEmlWx4&feature=related << awesome
[01:37:44] <robin_sz> does seem to use "a few" clecos and rivets
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[01:40:27] <robin_sz> actually, got to the end, not a single rivet, that was just the drill and cleco stage
[01:44:26] <andypugh> well, to pull together "cute girls" "engineering" and "wings" I think we both know someone who spent weeks sewing the skin onto a Tiger Moth (or was it a Spitfire, or both)
[01:52:59] <robin_sz> ah yes
[01:53:13] <robin_sz> spends her days washing nappies I expect npw
[01:54:06] <andypugh> Yeah, and that was a surprise. I can imagine Adam being the worlds best Father for 3 years, then finding a new hobby
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[01:57:28] <robin_sz> heh, I dunno, I think hell be good at it
[01:58:59] <andypugh> Oh, he will. He is very good at everything he tries, but he does tend to switch interests in a rather fundamental way.
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[02:00:16] <robin_sz> well, kids are different
[02:00:22] <andypugh> But, he has been keen on bikes for longer than it takes to raise a child, so I imagine they will see it through.
[02:00:27] <robin_sz> yo cant trade them in for a start :)
[02:00:36] <robin_sz> heh, yep
[02:01:32] <andypugh> Though I guess the poor wee mite will be exposed on a hillside if it can't grasp calculus.
[02:02:09] <robin_sz> I suspect it came out with a fundamental grasp of basic maths
[02:02:38] <robin_sz> I teach mine proper maths from time to time
[02:03:25] <robin_sz> while the school is still messing about with some pathetic excuse for addition, my youngets is doign competetn long division etc
[02:04:08] <robin_sz> you wouldnt believe the namby-pamby teaching methods these days, dont want the make the little dears do anyting too hard
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[02:07:32] <andypugh> I had an out-of-the-blue contact from my Physics teacher at Christmas, it seems I made an impression. He said that he thought I would have learned as much from the library as from him (which might be true, as I loved (and still do) the subject.) Nevertheless he was the best teacher I have ever met, as his enthusiasm for teaching was so obvious. He seemed to be really inteterested in the process of learning.
[02:08:50] <robin_sz> yeah, noce he got in touch, I had a good pyhsics teacher, and a good maths teacher
[02:08:55] <robin_sz> the rest mostly sucked
[02:09:57] <robin_sz> its only primary they are in, so I dont expect much from the teachers other than to provide a good learning enviroment
[02:10:38] <robin_sz> I was however very pleased to see that ICT is pretty much going to be scrapped
[02:10:44] <robin_sz> and replaced with computer science
[02:10:53] <robin_sz> yay for the geeks.
[02:11:15] <andypugh> And yes, he retired in a funk about how dull the curiculum was, and how there was an unbridgeable gap from GCSE science to A-level physics, and then another huge leap to what an undergraduate physicist needed. My course is now 4 years, and it isn't because I am cleverer than the current students, I know them and we fix a fire engine together, if anything they are brighter.
[02:12:24] <robin_sz> to sooner they bring back proper univserities and polytechnics the better
[02:12:38] <robin_sz> stiffen up the exams
[02:12:52] <robin_sz> and stop this "45% of kids got an A in maths" crap
[02:13:23] <robin_sz> there is no calculus in GCSE maths these days
[02:13:32] <andypugh> I have a job interview at an old Poly on the 24th. I can't decide whether to turn up or not.
[02:13:42] <robin_sz> coo
[02:14:02] <robin_sz> i thought you were happily employed at Ford?
[02:15:15] <andypugh> Yes, but, they don't push me hard enough. Some days I have no work at all.
[02:15:35] <robin_sz> oh, but thats what the interwebs for :)
[02:15:46] <andypugh> They pay well, and the Postdoc would be a 5k pay cut
[02:16:10] <robin_sz> but, ultimately more satisfying
[02:16:14] <robin_sz> I can relate to that
[02:17:59] <andypugh> Aye, some days all I do at "work" is answer emc2 forum posts. It satisfies my "3 score years and ten, do helpful stuff" paradigm, but it's not what I am there for
[02:18:53] <robin_sz> nope, thats pretty much why I left the BBC
[02:18:56] <robin_sz> the fur lined rut
[02:19:05] <andypugh> Also, all my family are in Huddersfield,
[02:19:11] <robin_sz> I had to occasionally do weekends
[02:19:15] <robin_sz> weekends
[02:19:22] <robin_sz> NOTHING happened at weekends
[02:19:44] <robin_sz> theres only so much boredome you can takem regardless of the pay
[02:20:29] <andypugh> 28.57% of TV happens at weekends.
[02:20:36] <robin_sz> err
[02:20:41] <robin_sz> watching maybe
[02:21:18] <robin_sz> but being around the place in case on of the edit suites has a problem when no one is there ... its kinda boring
[02:21:33] <robin_sz> anyway, I left :)
[02:24:08] <andypugh> The main problems are logistical. I have arranged to take a full year's worth of holiday in advance to ail the pacific. So, I don't have the holiday to go to the interview. If I do take the job, how do I pay back the 5 weeks? (I guess working unpaid, and actually trying to manage the handover would be fair)
[02:25:11] <robin_sz> you think they would try and claw the money back? doubtful.
[02:25:30] <robin_sz> they may even give you instant gardening leave when you announce your intention to resing
[02:26:00] <robin_sz> many places will not allow you back on the premises once they know you are going, dunno if your is like that
[02:26:03] <robin_sz> its common in IT
[02:26:42] <robin_sz> on the other hand, you have not taken the leave yet
[02:26:59] <robin_sz> pull a sicky :) sounds like you may not even be missed
[02:27:43] <andypugh> As I am not going to a competitor, and my group of 20 is 17 below headcount, they will want me to tidy up. (And, I would want to, too).
[02:27:59] <robin_sz> fair enough
[02:28:36] <robin_sz> personally, I would find some way to go to the interview. If you do take the job, you wont be needing the 5 weeks etc
[02:29:11] <robin_sz> you may well be a lot happier in academia with bright minds to talk to etc
[02:32:22] <andypugh> Just because I can't work, that doesn't mean there is not a vast amount to do. The list of things we have to do is growing, the list of things we want to do is growing faster (we all like our job). The list of things we can actually do, for hardware and software constraints, is asymptotically deceasing. It's not fun.
[02:33:43] <andypugh> I don't lack for bright minds at work. We run about 50% PhDs.
[02:34:01] <robin_sz> fair enough
[02:34:37] <robin_sz> whatever, perosnally, I dont care what they pay me, but I will nto sit around and be bored
[02:34:56] <robin_sz> I was not put here to be bored, that much I am dead certain of
[02:35:56] <andypugh> The job is about condensing huge datasets into something that can be calculated real-time into a 17-dof real-time system.
[02:37:12] <robin_sz> uh huh
[02:37:42] <robin_sz> I can see that would have challenges
[02:37:57] <robin_sz> the data gathering has been done?
[02:38:03] <andypugh> And thanks for that. Even if the job is as hard as it ought to be, if the upstream processes don' let me do it, but I then get the blame, I would rather be up north and see my sisters at weekends
[02:38:54] <robin_sz> yeah, well, the north is always nicer, Im from Sheffield originally, and points north of there for school (settle) .. its a different way of life
[02:39:50] <robin_sz> id find a way to do the interview, then at least you have an option
[02:43:01] <andypugh> ooh, Settle. If I could live there I would do it for free :-)
[02:43:33] <robin_sz> yeah, its a very nice bit of the world, but *s;ightly* devoid of work
[02:46:45] <robin_sz> all they need is a steam railway :)
[02:47:19] <andypugh> Caves, steam trains, Yorkshire Dales. I can't think of anywhere on the planet would rather be, given a private income
[02:48:12] <robin_sz> well, im in Worcestershire and most of my income comes from Switzerland, so long as I have a net connection thses days, it doesnt matter
[02:49:37] <robin_sz> id be surprised if you couldnt pick up some consultancy work
[02:51:50] <andypugh> I nearly got a job (in fact I think I lost the job because I misunderstood that the second interview was an intererview) in the Dales. It was field work, surveying all the railway bridges in the UK for flood hazard. That would have been so much fun, for someone who couldn't leave a DOOM level with undiscovered secrets.
[02:54:22] <robin_sz> heh
[02:54:49] <robin_sz> right, I need to go to bed
[02:54:57] <robin_sz> see ya
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[02:56:39] <andypugh> Now he mentions it, me too.
[02:56:43] <andypugh> Night all
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[09:05:48] <Loetmichel> mornin'
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[14:59:01] <MattyMatt> has anyone done this as g-code yet? http://upload.wikimedia.org/wikipedia/commons/2/2d/ISO3098.svg
[14:59:27] <joe9> i am thinking of making a cnc machine to etch (around 10 mils) and drill pcb's. wondering if there is any advice to guide me..
[15:00:22] <MattyMatt> do you have any machines to make it with?
[15:00:30] <archivist> MattyMatt, if available in truetype then see cradek's truetype tracer program
[15:01:13] <MattyMatt> does it treat stroke fonts as strokes?
[15:01:56] <joe9> MattyMatt: was that for me?
[15:02:02] <archivist> does the outlines at the moment also see awalin's latest blog posts
[15:04:04] <MattyMatt> http://twilightsaga.wikia.com/wiki/User_blog:Awallin :)
[15:04:31] <MattyMatt> aewallin on yt I think, I'll track him down via that
[15:06:02] <archivist> MattyMatt, http://www.anderswallin.net/
[15:06:57] <archivist> http://www.anderswallin.net/2012/01/ttt-and-font-vd/
[15:08:37] <archivist> joe9, search pcb on the emc wiki
[15:08:47] <joe9> archivist: thanks a lot. will do that.
[15:12:48] <MattyMatt> blender could import ttf but it'll bake it straight away into a mesh
[15:13:25] <MattyMatt> I can see myself hand coding the entire font as strokes :)
[15:14:24] <MattyMatt> I guess outline will be better than a single V trench tho
[15:19:58] <MattyMatt> nice one cradek, this is the neatest little deb package I've ever seen :) I've got a chance of understanding the source of this one
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[15:47:07] <cpresser> MattyMatt: this is already a SVG-File. so you can use some CAM-Tool to generate gcode. no hand coding required
[15:48:12] <Jymmm> <!-- this is a simple version without SVG fonts to work around bugs in some viewers -->
[15:49:07] <Jymmm> cpresser: View the source Luke! =)
[15:49:28] <cpresser> yes. in know SVG. i am currently building a svg-web-editor :)
[15:49:42] <Jymmm> and your point is?
[15:49:58] <cpresser> do you know wargaming (like warhammer 40k)
[15:50:08] <Jymmm> nope
[15:50:20] <cpresser> you use 'tokens' in these games. small pieces of plastiv with text on them
[15:50:48] <cpresser> i want to build a website where customers can design these tokens and order them;
[15:51:13] <cpresser> thats my first tech-demo: http://ca.rstenpresser.de/~cpresser/tmp/custom-token/techdemo1/kreistest_4.html
[15:51:13] <Jymmm> cpresser: Cool, though you do know that there are bugs in the SVG spec, right?
[15:51:29] <cpresser> yes. i am only using a limited svg-feature-set
[15:51:53] <cpresser> actually it wont be a 'real' svg-editor; rather a token-design-tool with fixed options
[15:52:04] <Jymmm> svg IS a limited feature set =)
[15:52:55] <cpresser> i like it because its simple :)
[15:53:30] <Jymmm> Sure, I like the CONCEPT of svg, it's implementation is less than desired though.
[15:53:46] <Jymmm> (as is all SGML imo)
[15:54:19] <cpresser> as you mentioned svg-fonts.. only few browsers/viewers support that. unfortunately
[15:54:39] <cpresser> i am thinking of implementing my own svg-font-renderer in JavaScript :)
[15:54:53] <Jymmm> cpresser: Yeah, lets not go there *sigh*, also the is no svg thumbnail previewer either.
[15:55:43] <cpresser> you can use transforms to generate thumbnails. i will be using that in my project
[15:55:48] <Jymmm> cpresser: So if you have 200 svg's, you have to open every one of them, or have a jpg thumbnail of each.
[15:56:14] <Jymmm> cpresser: I happen to have 2000+ svg's sadly.
[15:56:44] <cpresser> build a script that renders them and saves a jpg preview
[15:57:01] <Jymmm> cpresser: Kinda defeats the purpose.
[15:57:37] <cpresser> also, i would assume that some linux desktops (kde) would preview svg-files
[15:58:36] <cpresser> all the desktop-icons in kde are svg-files
[15:58:58] <Jymmm> Maybe, but then I'm back to using 45 different distros/graphics apps, it's just annoying that after all this time, you would thnk they would come out with a previewer
[16:00:52] <cpresser> especially since svg is more than 10 years old^^
[16:01:53] <Jymmm> cpresser: what the heck doid you write that js in? it's one big run-on.
[16:02:01] <Jymmm> s/doid/did/
[16:02:55] <cpresser> windows notepad did the job
[16:03:03] <Jymmm> lol
[16:03:07] <cpresser> its just a proof of concept
[16:03:29] <Jymmm> Sure, but how the hell do you read it =)
[16:03:52] <cpresser> you mean the textbox?
[16:04:20] <Jymmm> Raphaël 2.0 - JavaScript Vector Library
[16:05:15] <cpresser> the code in the textbox was automatically generated by the jquery api.
[16:05:41] <cpresser> it takes the svg(created by this raphael) and extracts its
[16:05:47] <Jymmm> No no, I mean the <script> </script> jp libs
[16:05:50] <Jymmm> js
[16:06:24] <cpresser> ah, now i get you point
[16:06:30] <cpresser> those are minimal-js-libs
[16:07:06] <cpresser> in order to reduce code-size they are 'compressed'. you can get the human readable version from their website
[16:07:25] <cpresser> actually browsers load and run those minmal versions faster :)
[16:07:40] <Jymmm> heh
[16:08:04] <cpresser> uncompressed lib is here: https://raw.github.com/DmitryBaranovskiy/raphael/master/raphael.js
[16:08:29] <Jymmm> ah,ok =) I was gonna say
[16:09:15] <cpresser> sorry, i didnt understand your request the first time. 'run-on' did not translate correct in my head
[16:09:37] <Jymmm> cpresser: Gotcha, it's all good =)
[16:11:18] * cpresser is heading of now. sunday is war-gaming-day
[16:11:19] <cpresser> bb
[16:11:27] <Jymmm> laters
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[17:51:17] <A2Sheds> Jymmm: the drawer slide works great at my low speeds and forces, especially since it's the bearing for an x-axis driven by a 3/8"-16 leadscrew
[17:53:27] <A2Sheds> sorry Z-axis
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[18:12:31] <mhaberler> the search function on http://emc.mah.priv.at/irc/ is back
[18:12:42] <mhaberler> logger[mah]: hi
[18:12:42] <logger[mah]> mhaberler: Log stored at http://emc.mah.priv.at/irc/%23emc/2012-01-15.html
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[19:42:25] <tom3p> sorry, am stopping work on Vision for Hal. the code is not gpl'd. the license states its ok for non-commercial use & i think lotsa folks want to make some coin off thier emc systems.
[19:42:37] <tom3p> will go back to gEDA again
[19:46:21] <archivist> tom3p, are you just looking for the line connection to boxes type problem
[19:47:14] <tom3p> tahts a major part ( like a python dict of src dest pairs)
[19:47:32] <archivist> Im thinking clean in emc http://www.archivist.info/erd/con2d.c.txt
[19:48:29] <tom3p> cool i can actually read that. lemme understand ( read harder ;)
[19:48:55] <archivist> this is the same converted to php note the similarity http://www.archivist.info/erd/con2d.php.txt
[19:49:56] <archivist> I was doing a similar thing for database tables and relations on a website
[19:53:12] <tom3p> very nice, can i build the tools (look like terminal stuff right now ) and report back?
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[20:11:43] <archivist> tom3p, sure the .c came from a book, graphics gems iirc
[20:12:34] <archivist> was just trying to fix my web version but the image part is borked
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[20:13:50] <archivist> yup was from vol 3 http://ftp.gwdg.de/pub/grafik/vogl/GraphicsGems/GemsIII/
[20:15:28] <Ekkeri> pcw_home, http://ekke.kapsi.fi/temp/.7i52e.jpg any recommendations how to test it?
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[20:18:20] <pcw_home> Ekkeri in the simplest case you can make an INI file with all modules disabled (stepgens=0, pwmgens=0 etc)
[20:18:22] <pcw_home> and just read the inputs and and set the outputs as GPIO
[20:19:22] <pcw_home> this will work with any config .bi tfile
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[20:20:16] <Ekkeri> pcw_home, do I need a custom .BIT-file later? I would like to have one rs422 and then just those diff. outputs (+enc)
[20:21:48] <Ekkeri> is 7I73 in production since there isn't any datasheet/manual?
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[20:27:53] <pcw_home> what are the diff outputs? (step/dir/ PWM/dir PWM/ENA etc?)
[20:28:06] <Ekkeri> PWM&DIR
[20:28:15] <Ekkeri> nope
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[20:28:20] <Ekkeri> PWM&ENA :)
[20:29:50] <tom3p> archivist, had to chg a bit for 'gcc -Wall -W -Werror con2d-03.c -o con2d-03.' if interested , http://pastebin.com/P0cStycG
[20:29:59] <pcw_home> so there's an existing config for that
[20:30:38] <Ekkeri> pcw_home, with rs422? I don't know what that needs
[20:32:05] <andypugh> RS422 just means -6V to +6V differential signals.
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[20:32:41] <Ekkeri> so one output is changed to input?
[20:32:41] <archivist> tom3p, it is only a function to be used with other code I just converted to php and used it
[20:32:43] <andypugh> So that is handled by the interface, not by the firmware
[20:32:49] <pcw_home> a 7I52S has no bi-directional RS-422 channels
[20:33:22] <Ekkeri> pcw_home, but that's not S :)
[20:33:39] <tom3p> yeh i added dummy main, np. just wanted to make it build
[20:33:42] <pcw_home> is this a regular 7I52?
[20:33:42] <Ekkeri> it's half-S, I will call it E. :)
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[20:34:04] <pcw_home> Oh ok that _will_ require a new bitfile
[20:34:38] <Ekkeri> pcw_home, ok :)
[20:35:59] <Ekkeri> I left one receiver (that lower 2-channel) in place and was hoping to use it with 7I73
[20:36:31] <Ekkeri> but now I should have 4x PWM/ENA for XYZA
[20:36:55] <Ekkeri> and maybe one stepgen for VFD :)
[20:37:31] <pcw_home> OK but you need to email which parts changed (or better still which GPIO pins)
[20:37:45] <tom3p> archivist, i only have 1 of that series of books but luckily remembered http://tog.acm.org/resources/GraphicsGems/
[20:38:14] <archivist> tom3p, Im missing one of the set :(
[20:40:17] <pcw_home> Or even better still edit the closest PIN_XXXX.vhd file with your changes and send it back to me
[20:40:49] <Ekkeri> is there one for 7i52S?
[20:41:22] <Ekkeri> that should basically be 7i52S with 2-channel rs422
[20:41:45] <Ekkeri> so 2 diff. output less
[20:42:01] <andypugh> A few people have made their own bitfiles, you just need a few tools.
[20:42:02] <pcw_home> PIN_SV6LA_7I52S.vhd
[20:42:17] <Ekkeri> pcw_home, where I can find it?
[20:43:34] <pcw_home> freeby.mesanet.com/PIN_SV6LA_7I52S.vhd
[20:44:10] <Ekkeri> oh, it was in that .zip too
[20:44:20] <Ekkeri> http://freeby.mesanet.com/sv6la.zip <- that one
[20:45:07] <pcw_home> yeah that's both (forgot it was there)
[20:46:00] <Ekkeri> is there one for 7I52?
[20:46:47] <Ekkeri> hmm, I asked that few days ago, maybe lastlog helps
[20:47:19] <Ekkeri> Fri 13.01.12 05:14:49 < PCW> Ekkeri: "hmm.. is there a bitfile for Mesa 7I52 daughter card? (non-S)"
[20:47:22] <Ekkeri> Fri 13.01.12 05:14:51 < PCW> For 5I20 its probably SVSS6_6 for 6 encoders and 6 sserial channels
[20:48:45] <pcw_home> PIN_SVSS6_6_72.vhd
[20:50:19] <Ekkeri> ok, found it
[20:50:27] <pcw_home> If you download the 5i20.zip file, in the configs/hostmot2/source directory there are all 139 pin files
[20:50:53] <Ekkeri> yup
[20:51:49] <pcw_home> only ones that end in 72 (for 72 I/O) are appropriate for 5I20
[20:54:11] <Ekkeri> ok
[20:54:56] <pcw_home> By looking at the 2 pinout files you can probably figure out whats needed
[20:55:49] <pcw_home> also unless tabs are set to 3 spaces the files will be really hard to read
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[21:00:06] <Ekkeri> I think this might be too complicated for a total newbie :)
[21:01:15] <Ekkeri> not even sure if all is possible that I would like to be :P
[21:05:14] <pcw_home> almost any kind of pinout is possible (as long as it fits)
[21:08:13] <pcw_home> so it sounds like you wanted 3 pwmgens, 1 stepgenr, 2 sserials and 6 encoders, that's no problem
[21:08:14] <Ekkeri> ok, this should be quite simple I think
[21:08:20] <Ekkeri> just 3 changes to 7I52S
[21:09:48] <Ekkeri> I/O 15 PWM to stepgen
[21:10:03] <Ekkeri> I/O 21 PWM to serial TX0
[21:10:14] <Ekkeri> I/O 22 PWM to serial RX0
[21:10:35] <Ekkeri> ad maybe delete I/O 16 PWM since it's RX3
[21:10:41] <Ekkeri> and*
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[21:11:10] <pcw_home> stepgen needs 2 pins (unless you dont need dir)
[21:11:30] <Ekkeri> I think I don't have any free pins for that
[21:11:43] <Ekkeri> in that connector at least
[21:11:59] <Ekkeri> so it should be put to another one?
[21:12:34] <pcw_home> Oh OK I though you would have 3 PWM channels and one step/dir and then 2 sserial on your new RS-422 channels
[21:13:05] <Ekkeri> 4 PWMs
[21:13:32] <pcw_home> so the stepgen is just a rate generator?
[21:14:26] <pcw_home> re 7I73 we expect to ship them next week
[21:14:28] <Ekkeri> My VFD needs freq. input so stepgen in velocity mode should do the trick
[21:14:34] <pcw_home> bbl
[21:15:37] <Ekkeri> sure I need a dir too, put there isn't any free pins in that 7I52E :)
[21:16:22] <Ekkeri> only RX3, but well, it's RX :)
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[21:26:42] <Jymmm> A2Sheds: very cool
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[21:43:00] <Ekkeri> pcw_home, I have 7I37 and VFD has 24V logic, so maybe I should use OUT0 for it, so it's pin33 in 50-pin, second connector (P3 in 5i20) so it's... I/O40, so I can use it for Stepgen DIR?
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[23:47:27] <Jymmm> BOO!
[23:47:42] <Valen> eeeeeeeeeee
[23:47:51] * Valen runs away
[23:47:59] <Jymmm> Valen: Playing with IPv6 huh?
[23:48:13] <Valen> not so much playing
[23:48:26] <Valen> my isp supports it nativley
[23:48:35] <Jymmm> ah
[23:49:28] <Valen> don't think i'm too keen on my whois giving out my IP address though
[23:49:44] <Jymmm> why's that?
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[23:50:09] <Jymmm> wait, you mean here on irc?
[23:50:24] <Valen> yeah
[23:50:35] <Jymmm> Valen: Freenode supports ipv6 and cloaking
[23:51:08] * Valen looks into it
[23:51:25] <Jymmm> Heck, they support tor for that matter
[23:51:39] <Valen> oh i'm not a nut for it
[23:51:59] <Jymmm> 'it' being ???
[23:52:05] <Valen> security
[23:52:10] <Valen> or "security"
[23:52:25] <Jymmm> to each their own
[23:52:52] <Valen> one would think that it'd be the default not to give out information like that
[23:53:11] <Jymmm> not on irc
[23:53:28] <Jymmm> freenode is the oddball in offering cloaks
[23:53:47] <Valen> most other IRC networks I've seen don't do it
[23:54:01] <Valen> its asking to be DOSed offline
[23:54:16] <Jymmm> Uh, most I've seen do
[23:54:25] <Valen> undernet?
[23:54:35] <Jymmm> I beliece so.
[23:55:16] <Jymmm> Valen: you on undernet right now?
[23:55:20] <Valen> no
[23:55:25] <Valen> havent been for years
[23:55:38] <Jymmm> can you join us.undernet.org?
[23:55:45] <Valen> uhh possibly
[23:55:56] <Valen> pidgin IRC isn't that easy to use lol
[23:57:10] <Jymmm> =)
[23:57:38] <Valen> ok i'm connected to some undernet host
[23:58:04] <Jymmm> I'm still trying to. what server?
[23:58:33] <Jymmm> ok, eu works
[23:59:35] <Valen> i dunno i just said connect lol
[23:59:51] <Jymmm> goto the other #emc