Commit 6bf712c0 authored by drallensmith's avatar drallensmith

Note atan2 as possible angular transformation method; have found more reliable if noise is present

parent 9fc52b5c
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......@@ -391,6 +391,8 @@ changes in $\theta$.
Given an angular feature $\langle \alpha_1, \alpha_2 \rangle$ we can
recover the original angle $\theta$ (in radians) by taking the
$cos^{-1}(\alpha_2)$ and multiplying by the sign of $\alpha_1$.
Another method uses the common 'atan2' function as
$atan2(\alpha_1, \alpha_2)$.
\begin{figure*}[htp]
\centering
......
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