I agree.

If you have problems with Mach, for whatever reasons, LinuxCNC is a
great, low cost, experiment before tossing more money at it.

If you are an experimenter at heart, having BOTH is a good idea.  Most
of us are not in that position.  LinuxCNC seems to scale from big
hardware to small desktop (or smaller, or larger depending on your
needs).

G/M-code support can be done on minimal machines to anything bigger.
(There are DOS, RaspberryPi, and arduino implementations of
interpreters.)  Once you get to desktop size machines or larger it
takes to run LinuxCNC or Mach much more can be done in the way of
trajectory planning, etc.

For the cost for most of our machines, the incremental price of Mach
with Windows is real but not 'significant' compared to what it takes
for us to build and run our machines.  Still, I would rather spend the
money elsewhere if possible.

I do see WHY some go to Mach.  They don't know or trust 'free
software'.  An irrational fear, but real.  So they would rather buy a
solution they 'can get support for' rather than having to get involved
in a community to know how to obtain real good, fast support.  So if
they feel their time is better spent by spending money rather than
investing in themselves, their education and giving back, it is their
choice to make.  There are many that do.  They vote that way with
their pocket book.

Full disclosure:
Growing up in the computing industry, I started as an anti-M$ geek
from Bill Gates 'Open Letter to Hobbyists' days (
http://en.wikipedia.org/wiki/Open_Letter_to_Hobbyists ).  That is not
a good reason not to use it if M$ based tools are the best for the
job, but that is where my attitude / perspective started and has only
been supported by M$ adversarial actions toward their customer base
ever since.  Realistically, I use M$ products, mainly because my wife
(and her employer) has a warm and fuzzy about using them, and from the
'if mamma ain't happy, nobody is happy' camp, it isn't worth the
battle.  Even if non-M$ is a better technical solution, IMHO.  --
BTW, I have been using Linux since kernel 0.97, so I have stuck with
it for a while.

On Sun, Oct 19, 2014 at 2:37 PM, Dave Cole <linuxcncro...@gmail.com> wrote:
> On 10/19/2014 3:19 PM, andy pugh wrote:
>> On 19 October 2014 01:52, Jack Coats <j...@coats.org> wrote:
>>> There is an article in Digital Machinist, Vol 9 No 3, Fall 2014 with the 
>>> title
>>> "Migrating from Mach3 to LinuxCNC" by Thomas Allsup (page 24).
>> I wonder why anyone would want to?
>> By which I mean, if you have a working, paid for Mach3 installation
>> running a machine and making parts, why would you throw it all up in
>> the air to change to some different (and approximately equivalent)
>> software?
>
> I would assume that he ran into some issues with Mach3 and decided to
> move to LinuxCNC.
> It is not difficult to find issues with Mach3 that are hard or
> impossibile to resolve.
>
> I was starting to feel bad for the Mach3 camp, then I saw that there are
> two other articles in the magazine that are about Mach3.
>
> Dave
>
>
>
>
>
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-- 
><> ... Jack

"Whatever you do, work at it with all your heart"... Colossians 3:23
"Anyone who has never made a mistake, has never tried anything new." -
Albert Einstein
"You don't manage people; you manage things. You lead people." -
Admiral Grace Hopper, USN
"Tell me and I forget. Teach me and I remember. Involve me and I
learn." - Ben Franklin

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