Hi Leonardo,
That was actually what I was looking for, a button "like that", and
wondered if I just didn't see/find it.
Yeah I can see some "convenient" functionality in that, but being able
to go "half way" between two points, even with some iteration would
help, to get that started
(It would be really easy, math wise, once you have something like that,
to find the center of a circular hole, or a rectangle, or anything
symmetrical, basically)
I wonder, in hal, with a plugin, if you can just move the tool/spindle,
and the DRO screen shows where it is going. For example, for finding
the center of a circular hole, you'd only need to find the edge in 3
spots, and then just "go there".
I'd love to figure out how to write a plugin like that.
Ron
On 7/11/21 11:08 PM, Leonardo Marsaglia wrote:
Hi Ron,
I guess you could do it with a custom component in HAL. You can link a
physical button to set the points and then compute the center point. You
should need a reset button and some other functionalities too I guess, but
I think it's perfectly doable. Also you could show the output with pyvcp so
you can replicate what a DRO does. It's not that easy but neither that hard
I guess.
El lun, 12 jul 2021 a las 2:02, R C (<cjv...@gmail.com>) escribió:
On 7/11/21 10:47 PM, John Dammeyer wrote:
I still have my Shumatech DRO on my mill. I touch one side and zero the
axis. I then move across and jog until the LED goes on. Then FCN 1 and the
axis letter button. At that point the axis changes to minus halfway
between where I just touched off and the original 0 point.
I move to make the DRO show 0 and then touch off that axis on the AXIS
screen. Now I have the center point between the two edges. Since the LED
indicator probe is 0.2" diameter the distance to the center doesn't
matter. Only if I am trying to find the edge and the Shumatech can be told
the diameter of the probe.
Certainly there must be an easy way to do this with LCNC? The Shumatech
software has been around for at least 13 years.
Oops, I didn't see this last line... I think so, either some
added functionality in the DRO (that is where I was looking around),
or else a plugin. it's probably not that hard, if I knew how to write
a plugin for LCNC
John
-----Original Message-----
From: R C [mailto:cjv...@gmail.com]
Sent: July-11-21 9:29 PM
To: linuxcnc-users-list
Subject: [Emc-users] 'automatically' go halfway between 2 points
Hello,
in linuxcnc,� is there an easy/automated way to get halfway between two
points?�� (Fort example, you'd touch off somewhere, move to some
coordinate (x, y)� (or even (x, y, z)) and go inbetween right to the the
middle of where you touched off and where the spindle is now?
thanks,
Ron
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