Greetings
I must start be declaring very limited experience of EMC. I have tried to do
some homework but would appreciate advice on what I have missed as well as the
following. If you are not interested in GUIs please ignore this and move on :=)
A client who supplies CNC mills is interested in providing an open source
control program with the machine. I have a configuration that runs it fine in a
basic way with Axis as a front end. We need one additional screen control (to
select one of two constants to be used for the Freqgen which drives the spindle
VFD depending on which pully is in use) and would like to display other data
such a the work offsets in use etc.
While adding ad-hoc widgets in Axis is obviously quite possible, I was asked if
the screen layout could be configured without writing code - c.f. Mach2/Mach3
Screen Designer. One could doubtless design some sort of graphics editor to
define placement of widgets however it would surely be better to use an
existing screen layout standard.
I suspect that the standard to use is Adobe/Macromedia Flash. Powerful editing
tools are available (albeit mainly on Win platform) and screen objects like
buttons, dynamic text and images can have ActionScripts attached to them which
can control the "movies", perform some simple logic and, more importantly,
communicate data in both directions with the program (e.g. EMC front end)
embedding the Flash player.
So my questions are:
(a) Has anyone done any paper or "keyboard" designing along these lines? If so
does Flash feel a sensible or lunatic path?
(b) Has anyone got any experience of using the Adobe Beta Flash player on Linux
(I have been using Ubuntu for EMC2 and Adobe don't yet have a release for it)?
(c) Has anyone used the GPL player Gnash?
(d) Do you think that there is a better route for implementing "integrator
designed" screens for controlling an application like EMC?
TIA
John Prentice
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