百度地图javascript API的使用

　　　　　　　　　　　　　　 var groups = 0;
                        //坐标转换完之后的回调函数
                        translateCallback = function (data){
                          if(data.status === 0) {
                            for (var i = 0; i < data.points.length; i++) {
                                var marker = new BMap.Marker(data.points[i]);
                                var label = new BMap.Label(groups * 10 + i,{offset:new BMap.Size(20,-10)});
                                marker.setLabel(label); //添加百度label
                                map.addOverlay(marker);
                            }
                            groups++;
                            map.setCenter(data.points[i-1]);
                            //alert("the center is the: " + (i - 1) + "th point");
                          }
                          else {
                            alert("data status is not 0");
                          }
                        }
                        setTimeout(function(){
                            var convertor = new BMap.Convertor();
                            var n = 10;
                            alert("the totall number of points is : " + pointArr.length);
                            var remain = pointArr.length % 10;
                            var rounds = (pointArr.length - remain) / 10;
                            alert(rounds + " groups of points and " + remain + " points to translate");
                            var tempPointArr = [];
                            var index = 0;
                            for(var r = 0; r < rounds; r++) {
                                tempPointArr = [];
                                for(var i = 0; i < n; i++) {
                                    alert("the index of point: " + index);
                                    tempPointArr.push(pointArr[index]);
                                    index++;
                                }
                                convertor.translate(tempPointArr, 1, 5, translateCallback);
                            }
                            tempPointArr = [];
                            for(var i = 0; i < remain; i++) {
                                alert("the index of point: " + index);
                                tempPointArr.push(pointArr[index]);
                                index++;
                            }
                            convertor.translate(tempPointArr, 1, 5, translateCallback);
                        }, 1000);