code: function (p, bbox) {
          return p[0] >= bbox[0] &&
                 p[0] <= bbox[2] &&
                 p[1] >= bbox[1] &&
                 p[1] <= bbox[3];
      }
docs: Returns true if the given point is inside in the given bounding box, otherwise false.
  
  @param {Array<number>} p point [longitude, latitude]
  @param {Array<number>} box object ([w, s, e, n])
  @returns {boolean}
  @example
  var inside = ruler.insideBBox([30.5, 50.5], [30, 50, 31, 51]);
  //=inside