百度 用户自定义地图

 var tileLayer = new BMap.TileLayer();
    tileLayer.getTilesUrl = function (tileCoord, zoom) {
        var x = tileCoord.x;
        var y = tileCoord.y;
        var url = GetPyPx(x, y, zoom);
        return url;
    }
    var MyMap = new BMap.MapType('MyMap', tileLayer, { minZoom: 1, maxZoom: 3 });//定义缩放级别（目前到3级）
    var map = new BMap.Map('container', { mapType: MyMap });
    map.addControl(new BMap.NavigationControl());
    map.centerAndZoom(new BMap.Point(0,0), 1);

    /*添加标注*/
    map.addEventListener("click", showInfo);
    var ptY, ptX = '';
    var marker = new BMap.Marker(new BMap.Point(ptY, ptX));
    function showInfo(e) {
        document.getElementById("info").innerHTML = e.point.lng + ", " + e.point.lat;
        //var marker = new BMap.Marker(new BMap.Point(e.point.lng, e.point.lat));

        //collectClick = e;
        marker.point.lng = e.point.lng;
        marker.point.lat = e.point.lat;
       
        map.addOverlay(marker);
    }

///坐标系坐标转化为矩阵坐标
function GetPyPx(x, y, zoom) {
    var level = map["zoomLevel"];
    var px, py = '';
    var url = '';
    if (level == 1) {
        if (x >= -2 && x <= 1 && y >= -2 && y <= 1) {
            px = Math.abs(y - 1);
            py = Math.abs(x + 2);
            if (px >= 0 && px <= 3 && py >= 0 && py <= 3) {
                url = '...图层地址/Images/flw/' + zoom + '/' + zoom + '_' + px + '_' + py + '.jpg';
            } else {
                url = '';
            }
        }
        return url;
    }
    if (level == 2) {
        if (x >= -4 && x <= 3 && y >= -4 && y <= 3) {
            px = Math.abs(y - 3);
            py = Math.abs(x + 4);
            if (px >= 0 && px <= 7 && py >= 0 && py <= 7) {
                url = '...图层地址/Images/flw/' + zoom + '/' + zoom + '_' + px + '_' + py + '.jpg';
            } else {
                url = '';
            }
        }
        return url;
    }
    if (level == 3) {
        if (x >= -8 && x <= 7 && y >= -8 && y <= 7) {
            px = Math.abs(y - 7);
            py = Math.abs(x + 8);
            if (px >= 0 && px <= 15 && py >= 0 && py <= 15) {
                url = '..图层地址/Images/flw/' + zoom + '/' + zoom + '_' + px + '_' + py + '.jpg';
            } else {
                url = '';
            }
        }
        return url;
    }
}

GetPyPx(x, y, zoom) 这个是用来将谷歌的切图工具转为 百度的坐标系 可以将图完整的展现.