#emc-devel | Logs for 2011-05-19

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[16:48:40] <psha> mhaberler: i've bought usb microscope...
[16:48:45] <psha> but - it's not working in linux :(
[16:48:59] <mhaberler> hi psha! which make?
[16:49:08] <mhaberler> toldya.. warnedya..
[16:49:12] <psha> Highpaq MS-K007
[16:49:38] <psha> One of most popular chineese brand
[16:49:50] <mhaberler> so you shopped and didnt have your linux laptop with you..
[16:49:51] <psha> NoName one
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[16:49:58] <psha> i had :)
[16:50:11] <psha> but seller told me that i've two weeks to return it back :)
[16:50:22] <psha> so i'm trying to patch UVC video now :)
[16:50:55] <mhaberler> holy smokes, uvc is an arcane science.. the issue really is getting docs for the camera chipset
[16:51:08] <psha> nonono :) not so deep
[16:51:20] <psha> just try to load uvc and if it won't load - return it back :)
[16:51:41] <mhaberler> I have a wonderful C-mount camera for a stereo microcscope.. no chance on getting even a datasheet for the chipset
[16:51:55] <mhaberler> good test
[16:52:36] <archivist> I had one of those cheap cameras (Lidl own brand microscope), worked in linux ok for me
[16:52:39] <mhaberler> many cameras have other things to drive, like lighting brightness, sometimes this works, sometimes not
[16:53:11] <mhaberler> archivist: lucky punch of the week
[16:54:31] <archivist> I did compile some arcane rubbish for the camera when I was still on 6.06
[16:56:39] <archivist> long time ago the date is on screen http://www.archivist.info/cnc/cnccam.html
[16:58:27] <archivist> but I need to do some lens work and lighting before pictures are usable
[17:00:22] <archivist> and you can see part of my touch off problem I want the centreline
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[18:00:27] <psha> mhaberler: heh, camera is _not_ UVC :(
[18:00:44] <mhaberler> man.. return it..
[18:00:50] <psha> mhaberler: may you give me a link to yours camera?
[18:00:57] <psha> one that wokring for you
[18:01:36] <mhaberler> hold on.. this animal is oem'd under different names, and different chipsets for lowres and highres versions, but anyway:
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[18:06:54] <mhaberler> psha: this is the overall shape: http://cgi.ebay.de/USB-Digital-Video-MIKROSKOP-10-200x-Lupe-Haut-Haare-LED-/400216466821?pt=Lernspielzeug&hash=item5d2ec2a585
[18:07:29] <mhaberler> the lowres and the hires versions worked for me BUT the hires camera only does about 2 frames/sec in your app :-/
[18:08:26] <psha> heh, looks identical to one i've tried today:)
[18:08:53] <psha> they are UVC?
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[18:18:15] <Connor> okay, so who do I talk to about submitting a change for consideration in being included into EMC ?
[18:21:56] <psha> Connor: post patch on emc-dev mailing list
[18:22:15] <psha> or (as a first step) - post it here
[18:22:25] <psha> however mailing list is preferred method
[18:22:32] <Connor> Well, before I do that, I just wanted to see if I even implemented them correctly..
[18:30:56] <cradek> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Git#Share_your_changes_with_others
[18:31:00] <cradek> there is some information here ^
[18:32:18] <psha> Connor: then you may first discuss it here
[18:33:53] <mhaberler> psha: yes, they worked for me (10.04 and possible an updated UVC driver)
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[20:33:05] <awallin> I want my two hours back... http://www.anderswallin.net/2011/05/emc2-tpruncycle-revisited/
[20:37:40] <cradek> cool!
[20:39:04] <awallin> I have a _ton_ of useful work to do so I'm not sure how I get hooked into doing useless things like that...
[20:39:33] <cradek> 'round here we call that a geektrap
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[20:47:10] <cradek> if it were ascii I'd put the derivation in a comment, but as-is I'm not sure what to do with it...
[20:53:15] <awallin> rclick show source
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[21:05:09] * archivist glosses over at teh maffs...keep taking the tablets awallin :)
[21:11:53] <awallin> hrm, just corrected a typo (in case anyone is busy copypasting...)
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[21:12:49] <archivist> hehe no chance
[21:13:54] <awallin> this one boils down to (1) the area of a triangle and (2) solving a quadratic equation. about 7th or 8th grade stuff I would say :)
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[22:25:58] <jepler> awallin: I think these days an average american child gets to the quadratic equation sometime in high school, not 8th grade.
[22:31:29] <jepler> (oh geez, apparently my city's high school graduation requirement is "2 years of math, including first year algebra." I think that means 1 year algebra + 1 year geometry, no calculus or trig.
[22:33:18] <jepler> 3/4 of the way through the year in algebra curriculum you finally get to 'solving quadratic equations by quadratic formula'.
[22:34:19] <jepler> you won't be able to find the area of a triangle until the end of the first semester of geometry
[22:35:19] <jepler> .. so it's fair to say you might not be able to understand something involving both area of triangles and quadratic formulas until you're halfway through your senior year
[22:35:26] <jepler> *facepalm*
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