Chris and I discussed this, and it is actually intentional. (Whether our
intentions are correct or not is another issue…) I'm sympathetic to your
notion that if a new user does the obvious thing ("push the Play button!")
something interesting should happen. But in this case I think that would be
wrong and misleading, and potentially dangerous.
First of all, note that if you read the gcode in the bottom part of the Axis
window, it starts with a comment telling you how to get it to run.
The way to machine this in any real situation would be to touch off the tool to
the top of the work, setting 0 as the top of work, and giving yourself the room
you need to traverse above the work. This is the work flow that the gcode
comments suggests.
On Apr 2, 2012, at 09:28 , Kent A. Reed wrote:
> Gentle persons:
>
> I grabbed the LinuxCNC 2.5 iso last night and tried it via a LiveUSB
> stick out this morning.
>
> Looks very clean. My thanks again.
>
> However, there's glitches in several sim sample configurations that I
> think have actually been around for several releases.
>
> A. For sim/axis/axis and sim/axis/gantry
>
> 1) start LinuxCNC
> 2) in the LinuxCNC Configuration Selector, pick sim/axis/axis or
> sim/axis/gantry from Sample Configurations
> 3) start LinuxCNC and follow the usual drill---toggle emergency stop,
> toggle machine power, home all, begin executing
> 4) up comes an error window "Program exceeds machine limits...on axis Z"
> 5) choose to run anyway
> 6) no go---Axis shows the message "Linear move in line 9 would exceed
> joint 2's positive limit" punctuated by its lovely white cross in a big
> red circle
>
> These problems have percolated into other branches of the sim
> configurations such as the sim/gladevcp/gladevcp_panel demo but I
> haven't had time to try them all.
>
> B. LinuxCNC terminates with an error and a window full of diagnostic
> info while loading the sim/axis/profile_axis configuration
>
> I realize this is pretty trivial stuff but it would be discouraging to a
> noobie who uses the simulated configurations to assess LinuxCNC.
>
>
> Regards,
> Kent
>
> test machine: ASUS M4A88T-M motherboard with an AMD II X4 640 cpu and
> 2GB ram.
>
>
>
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