                          width: pointRightBottom[0] - pointLeftTop[0],
                            height: pointRightBottom[1] - pointLeftTop[1]
                        },
                        style: api.style({
                            stroke: 'rgba(0,0,0,0.1)'
                        }),
                        styleEmphasis: api.styleEmphasis()
                    };
                }

                function getCoord(params, api, lngIndex, latIndex) {
                    var coords = params.cont