# Fig164.tex

\begin{center}
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/R 3 def
/X R t cos mul def
/RHO X dup mul Y dup mul add sqrt def
/ALPHA X Y atan def
/X' RHO ALPHA 2 mul sin mul def
/Y' RHO ALPHA 2 mul cos mul def
X' Y'
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/X' RHO ALPHA 2 mul sin mul def
/Y' RHO ALPHA 2 mul cos mul def
X' Y'){b}
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X Y){B}
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/X2 RHO t sin mul def
/Y2 RHO t cos mul def
X2 Y2}
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/X2 2.5 t sin mul def
/Y2 2.5 t cos mul def
X2 Y2}
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%
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/RHO X dup mul Y dup mul add sqrt def
/ALPHA X Y atan def
/ALPHA2 ALPHA 2 mul def
/X' RHO ALPHA 2 mul sin mul def
/Y' RHO ALPHA 2 mul cos mul def
X' Y'){c}
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/X2 RHO t sin mul def
/Y2 RHO t cos mul def
X2 Y2}
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