code: function(plot) {
              var self = this;
  
              if (plot.options.x !== undefined && plot.options.y !== undefined) {
                  plot.coords = {
                      x: plot.options.x,
                      y: plot.options.y
                  };
              } else if (plot.options.plotsOn !== undefined && self.areas[plot.options.plotsOn] !== undefined) {
                  var areaBBox = self.areas[plot.options.plotsOn].mapElem.getBBox();
                  plot.coords = {
                      x: areaBBox.cx,
                      y: areaBBox.cy
                  };
              } else {
                  plot.coords = self.mapConf.getCoords(plot.options.latitude, plot.options.longitude);
              }
          }
docs: /*
  Set plot coordinates
  @param plot object plot element