Sorry , I guess you are right, G33.1 also looks at the spindle speed
But this works better with good velocity estimation, Though as I mentioned
you cannot use position interpolation except for constant speed applications
like threading on a lathe.
This is wrong because the TP does use the velocity value:
It is precisely true, LinuxCNCs TP only looks at the encoders position
in G33.1 moves. There is no other information path.
Looking a bit more into this, It does not look like the encoder velocity
( spindle.spindle_num].spindleSpeedIn ) is used for position mode synchronized
moves (G33 G76 etc) but only velocity mode synchronized moves (G95).
At least with a quick look at tp.c
