I like the sound of that... would then the preview show actual tool location?
sam On 11/26/2014 04:28 AM, andy pugh wrote: > I have been thinking for quite a while that a set of offset pins in > HAL to apply external offsets in World space would be very useful. > > These would be perfect for Mark's squiffy bevel sawing machine, and > would probably be a better solution to the problem that is almost but > not quite solved by probekins. > > Offsets as HAL pins into motion would have the advantage of working in > XYZ space rather than joint space, and hopefully it would also be > possible to keep things inside soft-limits and velocity/accel limits. > (or maybe not if those limits are computed prior to the switch to > realtime) > > The mah jwp patch that I tried the other day was similar to what I > envisage, except the offsets were definitively tied to pause-mode > motion, whereas what I am proposing could be activated at any time > when an "activate" pin was enabled. > > This would also provide a very convenient place for Dewey's new > retract component to hook in, while not excluding the possibility of a > "proper" jog-while-paused hooked into normal jog-while-not-paused > jogging later. (the pins would be more generally applicable). > > One interesting application for such pins would be to allow > world-space motion from arbitrary HAL components driven by sources > other than G-code. There are probably many potential uses for this in > special purpose machines. In this scenario motmod would handle homing, > kinematics and kinematical limits, but the HAL component would > generate the moves. > ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
