private static ConvertBing transform(double lat, double lon)
{
ConvertBing info = new ConvertBing();
if (outOfChina(lat, lon))
{
info.setChina(false);
info.setLatitude(lat);
info.setLongitude(lon);
return(info);
}
double dLat = transformLat(lon - 105.0, lat - 35.0);
double dLon = transformLon(lon - 105.0, lat - 35.0);
double radLat = lat / 180.0 * pi;
double magic = Math.Sin(radLat);
magic = 1 - ee * magic * magic;
double sqrtMagic = Math.Sqrt(magic);
dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);
dLon = (dLon * 180.0) / (a / sqrtMagic * Math.Cos(radLat) * pi);
double mgLat = lat + dLat;
double mgLon = lon + dLon;
info.setChina(true);
info.setLatitude(mgLat);
info.setLongitude(mgLon);
return(info);
}
public static ConvertBing gcj02_To_Wgs84(double lat, double lon)
{
ConvertBing info = new ConvertBing();
ConvertBing gps = transform(lat, lon);
double lontitude = lon * 2 - gps.getLongitude();
double latitude = lat * 2 - gps.getLatitude();
info.setChina(gps.IsChina());
info.setLatitude(latitude);
info.setLongitude(lontitude);
return(info);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
//打开图片
OpenFileDialog openfiledialog = new OpenFileDialog
{
Filter = "图像文件|*.jpg;*.png;*.jpeg;*.bmp;*.gif|所有文件|*.*"
};
if ((bool)openfiledialog.ShowDialog())
{
photo.Source = new BitmapImage(new Uri(openfiledialog.FileName));
}
string filename = openfiledialog.FileName;
exifmessage.Text = filename;
StringBuilder sb = new StringBuilder();
var directories = ImageMetadataReader.ReadMetadata(filename);
StringBuilder latitude = new StringBuilder();
StringBuilder longgitude = new StringBuilder();
//经度输出
foreach (var directory in directories)
{
foreach (var tag in directory.Tags)
{
if ($"{tag.Name}" == "GPS Latitude")
{
sb.AppendLine($"[{directory.Name}] {tag.Name} = {tag.Description}");
latitude.AppendLine($"[{directory.Name}] {tag.Name} = {tag.Description}");
exifmessage.Text = sb.ToString();
}
}
}
//纬度输出
foreach (var directory in directories)
{
foreach (var tag in directory.Tags)
{
if ($"{tag.Name}" == "GPS Longitude")
{
sb.AppendLine($"[{directory.Name}] {tag.Name} = {tag.Description}");
longgitude.AppendLine($"[{directory.Name}] {tag.Name} = {tag.Description}");
exifmessage.Text = sb.ToString();
}
}
}
//时间输出
foreach (var directory in directories)
{
foreach (var tag in directory.Tags)
{
if ($"{tag.Name}" == "Date/Time")
{
sb.AppendLine($"[{directory.Name}] {tag.Name} = {tag.Description}");
longgitude.AppendLine($"[{directory.Name}] {tag.Name} = {tag.Description}");
exifmessage.Text = sb.ToString();
}
}
}
//转换经纬度
double newlatitude = 0;
double newlonggitude = 0;
GCJ02_WGS84 gCJ02_WGS84 = new GCJ02_WGS84();
ConvertBing convertBing = new ConvertBing();
GPSConvert gPSConvert = new GPSConvert();
newlatitude = gPSConvert.getlatitude(latitude);
newlonggitude = gPSConvert.getlonggitude(longgitude);
convertBing = GCJ02_WGS84.wgs84_To_Gcj02(newlatitude, newlonggitude);
latitudemessage.Text = "经度：" + convertBing.getLatitude().ToString("#0.000");
longitudemessage.Text = "纬度：" + convertBing.getLongitude().ToString("#0.000");
//生成图钉
Pushpin pushpin = new Pushpin();
MapLayer mapLayer = new MapLayer();
pushpin.MouseRightButtonDown += RemovePushpin;
pushpin.Location = new Location(convertBing.getLatitude(), convertBing.getLongitude());
this.mapLayer.AddChild(pushpin, pushpin.Location);
bingMap.Center = new Location(convertBing.getLatitude(), convertBing.getLongitude());
bingMap.ZoomLevel = 14;
//图钉标注
var image = new Image {
Width = 200, Height = 200, Margin = new Thickness(8)
};
image.Source = new BitmapImage(new Uri(openfiledialog.FileName));
ToolTipService.SetToolTip(pushpin, image);
//生成轨迹
if (flag > 0)
{
MapPolyline polyline = new MapPolyline();
Location startlocation = new Location(latTag, longTag);
Location endlocation = new Location(convertBing.getLatitude(), convertBing.getLongitude());
polyline.Locations = new LocationCollection
{
new Location(startlocation),
new Location(endlocation)
};
polyline.Stroke = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Red);
polyline.StrokeThickness = 5;
polyline.Opacity = 1;//不透明度
this.mapLayer.Children.Add(polyline);
polyline.MouseRightButtonDown += RemovePolyline;
}
latTag = convertBing.getLatitude();
longTag = convertBing.getLongitude();
flag++;
}