Chris,

>I am not sure it's a bug.  I think it is working as designed.  Can you
>say exactly what you think the bug is, now that I have explained the
>designed behavior?  

What I feel is a bug is:

1. That entry move works on other controls (sure, LCNC doesn't need to be 
everything to everyone, but I think it's nice when Fanuc programs run on LCNC)
2. The error message gives no indication as to why the code won't run.  "Arc 
move in concave corner" makes no sense to someone who is trying to mill a 
circle - where's the concave corner?  I understand that this corner is the 
corner made by the nominal entry move and the nominal subsequent move, but only 
after it was explained to me.

>I can see an argument for entry with a move that
>makes a concave corner working completely differently: instead of the
>end of the compensated entry move being beside the nominal entry move,
>be ON the nominal entry move but beside the nominal subsequent move.
>But there are a lot of situations to consider; I think that makes some
>of them worse.  We would need to carefully consider the tradeoffs.

Agreed on that argument, but it doesn't sound like low-hanging fruit.  More 
like "the guy whose complaining should do the work" kind of fruit.  

Rogge



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