 the positive x-direction (for planar geometry) or the angle relative to the first edge listed at the destination particle (for spherical geometry). Used for dual-mesh functionality.  <a href="group___edges.html#ga284221d2767ec33c138d0b4411354cbf">More...</a><br /></td></tr>
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<tr class="memitem:ga2016b49baf2784f69be4604c3968c383"><td class="memItemLeft" align="right" valign="top">real(kreal) functio