/// <summary>
/// 当地图类型选择改变时，出发，切换相应的地图
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cmbMapTypes_SelectedIndexChanged(object sender, EventArgs e)
{
Coord coord = this.mapControl.GetCenter();
Coord result = coord;
int oldZoom = 0;
MapType oldMapType = MapType.Google;
if (coord != null)
{
result = coord;
oldZoom = this.mapControl.GetZoom();
oldMapType = this.mapType;
}
var selectItem = (ComboxItem)this.cmbMapType.SelectedItem;
this.mapControl.setMap(selectItem.Tag.ToString());
this.mapType = (MapType)selectItem.Value;
if (coord == null)
{
return;
}
switch (oldMapType)
{
case MapType.Baidu:
case MapType.BaiduImageTile:
result = CoordHelper.WebMercator2lonLat(coord);
result = CoordHelper.BdDecrypt(result.lat, result.lon);
result = CoordHelper.Gcj2Wgs(result.lon, result.lat);
break;
case MapType.Google:
case MapType.GoogleImage:
result = CoordHelper.WebMercator2lonLat(coord);
result = CoordHelper.Gcj2Wgs(result.lon, result.lat);
break;
case MapType.Gaode:
case MapType.GaodeImage:
case MapType.QQMap:
case MapType.QQImage:
result = CoordHelper.WebMercator2lonLat(coord);
result = CoordHelper.Gcj2Wgs(result.lon, result.lat);
break;
case MapType.OpenStreetMap:
result = CoordHelper.WebMercator2lonLat(coord);
break;
case MapType.Tiandi:
case MapType.TiandiImage:
result = coord;
break;
}
switch (this.mapType)
{
case MapType.Baidu:
case MapType.BaiduImageTile:
result = CoordHelper.Transform(result.lon, result.lat);
result = CoordHelper.BdEncrypt(result.lat, result.lon);
result = CoordHelper.WebMoctorJw2Pm(result.lon, result.lat);
break;
case MapType.Google:
case MapType.GoogleImage:
result = CoordHelper.Transform(result.lon, result.lat);
result = CoordHelper.WebMoctorJw2Pm(result.lon, result.lat);
break;
case MapType.Gaode:
case MapType.GaodeImage:
case MapType.QQImage:
case MapType.QQMap:
result = CoordHelper.Transform(result.lon, result.lat);
result = CoordHelper.WebMoctorJw2Pm(result.lon, result.lat);
break;
case MapType.OpenStreetMap:
result = CoordHelper.WebMoctorJw2Pm(result.lon, result.lat);
break;
case MapType.Tiandi:
case MapType.TiandiImage:
break;
}
this.mapControl.SetZoom(oldZoom);
this.mapControl.SetCenter(result);
tsbClearBounds_Click(null, null);
}