Dave pravi:
> I agree that the "homing report" could be a valuable thing.    I think 
> you are assuming there is no support for a "homing report", but I didn't 
> notice anyone asking if anyone thought it was a good idea or not.  
> Sometimes noise will get on Servo encoder cables also and cause 
> positioning errors also, so it could be valuable to a servo system.
>
> I'm not sure that what is wanted couldn't be done in Hal right now..  
> "on the edge of home, switch grab the current axis position count, 
> display that on a PyVcp screen" ??  If the result isn't zero or whatever 
> it should be (it should always be the same or close) then you have a 
> problem.
>   
I was try some thing but for now I got false reading all the time.
> Regarding the video inside of EMC2;  Slavko, are you using another app 
> in a different window right now?  Why doesn't that work for you?    When 
>   
Yes. I was able to make thing ussable. It's ussable but not practic. 
Let's see what and why.
If I arrange all windows to not overlap then all are too small so in 
first place I maximize AXIS interface. (why can't be started maximized 
at all?!? Or at least remember last position?!?)
After that I start Camera window. I right click camera window and select 
always on top and move that window over AXIS preview place. (just fit 
inside)
After that I start Learn.py and make that window always on top too and 
move over code window of AXIS.
So now I have all windows visible doesn't matter witch is selected.
Now I must click somewhere on AXIS interface and jog machine to 
reference point (with help of webcam)
After that I must select and click Learn/Position. Then again I must 
click somewhere on AXIS interface to select it and repeat jog move to 
other reference points. And repeat that for all reference points. It's 
very easy to mess the selected window and keystrokes. I think to easy to 
make mess.
After that I close the cam window and learn window. The coordinate of 
reference points are stored in file.
All that just to save current coordinate in file. (under jogging) The 
old Turbocnc Can do that with single keypress. And modern CNC machines 
too! Few times I must scan hole position for PCB board. And in more 
machine procedure is same. Jog over the hole (with help of camera or 
optical finder) and pres single key to save coordinate. I don't 
understand why on EMC2 is too hard to have same thing?! (well keyboard 
shortcuts are pretty bussy).

> they put the video window inside of Mach3, that caused all kinds of 
> issues and it seems like no one is happy with the size of the window 
> within Mach3, the way the cross hairs display etc, etc...  Then you can 
> get into camera differences also.  So many desires, and so little time.  
> ;-)
>
> Dave
> (Dave911 on IRC)

After digging into camera stuff I realized that linux just doesn't have 
(yet) good camera support. They need a bunch of drivers and tweaking. So 
the code to grab picture inside AXIS seem's not good way. Simply won't 
run on all computers. But I think if the "another tab for webcam" just 
reflect image from some pipe od even webcast (streaming video) then 
thing is a lot easyer. I find few videostreaming packages and work's 
with different cameras. I try to run some on these and result is ok. I 
can have live video in firefox browser on EMC2 machine and on other (XP) 
machine in same time.So it's works. It can be done. Someone want that? 
Well at least one right now here :-)

Slavko.

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