title: Querying OrientDB for latitude-longitude pairs in a circle of a given radius and center
body: <p>I have collection of nodes of latitude-longitude pairs.</p>
  
  <p>How do I query <a href="http://www.orientechnologies.com/orientdb/" rel="nofollow">OrientDB</a> to find all the nodes (latitude-longitude pairs) in a circle of given <code>radius</code> with center in given coordinates? </p>