title: how to use geoNear in nodejs?
body: <p>I want to use geospatial geoNear, database in mongodb, Mongo Query:</p>
  
  <pre><code>db.runCommand(
     {
       geoNear: "tmp",
       near: { type: "Point", coordinates: [ 77.00000, 12.00000] },
       spherical: true,
       maxDistance : 200
     }
  )
  </code></pre>
  
  <p>Gives result in mongo terminal, but how to execute it using node.js I am using mongo-pool and generic-pool for mongo pooling?</p>