Gene, I had the same lag problem so I adjusted saturation and hue to 0, result is almost no lag & monochrome is fine for edge finding. Cheers, Phill
On May 3, 2014 2:31:59 AM GMT+10:00, Gene Heskett <ghesk...@wdtv.com> wrote: >On Friday 02 May 2014 12:14:04 Jon Elson did opine: > >> I know there has been some discussion about using cameras >> for center/edge finding with LinuxCNC. I just found a >> camera/microscope that looks REALLY ideal, but have no >> idea if there is a Linux driver for the camera chip. >> >> See eBay item >> >> >http://www.ebay.com/itm/321060396782?ssPageName=STRK:MEWAX:IT&_trksid=p3 >> 984.m1423.l2649 >> >> eBay item # is 321060396782 if the above line is messed up. >> >> it is 7 mm diameter, says 200X magnification. >> What I'd do is take a 3/4" R-8 end mill holder and >> fab a ring to permanently hold the scope, and >> have a groove for the cord to come out. Then, >> I'd find whatever pixel on the camera is at the >> center of rotation and make a permanent >> assignment of that pixel for the crosshairs. >> >> But, the eBay listing only specifies XP drivers. >> So, does anybody know how to find out whether there >> is a Linux driver for this camera? Any other comments >> on suitability of this unit? >> >> Thanks, >> >> Jon > >I have one similar to that Jon, paid 22$ for it on fleabay, and am >using >the camunits drivers. Other than the lag of the image getting thru all >the >filters, about 4 seconds to update the screen when you move it, and the > >fact that it has self illuminating leds wrapped around the lens, making >it >somewhat less useful when the target is shiny (most metals are) because >of >the almost dead on illumination, it works well. I usually turn the >dimmer >in the cord down to nearly off & use a strong low angle illumination >from >the side which doesn't give near as much specular illumination. > >But I don't have it spindle mounted, it is in a block of alu that I >drilled >for setscrews used to align the cameras center pixel with the non- >adjustable crosshairs inserted by on of the filters, mounted on the >right >side of the spindle casting by 1 screw & some Goop. So its about 1.5" >from >the spindle centerline. > >There are added buttons the align software puts up in the right hand >panel, >which can be use both to calibrate the offset, and to move the mill >itself >back and forth by the amount of offset determined. Once calibrated, >that >also works well. It also includes a means like for circuit boards, >where >you can drill a couple #80 witness holes, flip the board over and align >the >backside of the board even if its rotated an arbitrary amount by auto- >compensating the co-ordinate system for the back of the board. > >Time to go put on a nose bag according to the better half. > >Cheers, Gene >-- >"There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." >-Ed Howdershelt (Author) >Genes Web page <http://geneslinuxbox.net:6309/gene> >US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS > >------------------------------------------------------------------------------ >"Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE >Instantly run your Selenium tests across 300+ browser/OS combos. Get >unparalleled scalability from the best Selenium testing platform >available. >Simple to use. Nothing to install. Get started now for free." >http://p.sf.net/sfu/SauceLabs >_______________________________________________ >Emc-users mailing list >Emc-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/emc-users -- from my Nexus7 via K-9 Mail ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available. Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
