hi,

"Bald Eagle" <cre### [at] netscapenet> wrote:
> "jr" <cre### [at] gmailcom> wrote:
> > File 'truss_c.inc' line 47: Parse Error: Domain error in atan2!
> > no idea why.
>
> That happens when both arguments are 0.

thanks for the explanation.  I've added a '#debug concat' and see that the
'TG_axis' is <0,78,0> and the x and z components are used in the calculation.
what I do not understand is why.  ie, I cannot believe that the archive was
posted with that bug (the file's header says version 3).  has POV-Ray's handling
of the trig function(s) changed?  did v3.1 allow "wrong" arguments?


regards, jr.

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