public static List<WayPoint> initGPXFiles(IEnumerable<FileInfo> files)
{
List<WayPoint> list = new List<WayPoint>();
// read gpx files in
foreach (FileInfo fi in files) {
var doc = new XPathDocument(fi.FullName);
XPathNavigator navi = doc.CreateNavigator();
var xman = new XmlNamespaceManager(navi.NameTable);
xman.AddNamespace("g", "http://www.topografix.com/GPX/1/1");
XPathNodeIterator nodes = navi.Select("/g:gpx/g:wpt", xman);
while (nodes.MoveNext()) {
var wp = new WayPoint();
wp.Latitude = Convert.ToDouble(nodes.Current.GetAttribute("lat", string.Empty));
wp.Longitude = Convert.ToDouble(nodes.Current.GetAttribute("lon", string.Empty));
XPathNavigator eleNode = nodes.Current.SelectSingleNode("g:ele", xman);
if (eleNode != null) {
wp.Elevation = eleNode.ValueAsDouble;
}
XPathNavigator timeNode = nodes.Current.SelectSingleNode("g:time", xman);
if (timeNode != null) {
wp.Time = timeNode.ValueAsDateTime;
}
list.Add(wp);
}
}
list.Sort((a, b) => a.Time.CompareTo(b.Time));
return list;
}
public static void WriteGPSDateIntoImage(FileInfo fin, FileInfo fout, WayPoint wp)
{
BogenMass lon = Utils.ConvertToBogenMass(wp.Longitude);
BogenMass lat = Utils.ConvertToBogenMass(wp.Latitude);
WriteLongLat(fin.FullName, fout != null ? fout.FullName : string.Empty, lat.Grad, lat.Minuten, lat.Sekunden, lon.Grad, lon.Minuten, lon.Sekunden, !lon.Plus, lat.Plus);
}
