/// <summary>
/// rebuild gpxFile from Map Layers
/// </summary>
/// <param name="oLayerGPXPolylines"></param>
/// <param name="oLayerGPXSymbols"></param>
/// <returns></returns>
public static GPXFile makeGPXfromMapLayers(LayerVectors oLayerGPXPolylines, LayerVectors oLayerGPXSymbols)
{
GPXFile gpxFile = new GPXFile();
GPXTrk trk = new GPXTrk();
gpxFile.trks.Add(trk);
for (int i = 0; i < oLayerGPXPolylines.FeaturesCount; i++)
{
GPXTrkSeg seg = new GPXTrkSeg();
Feature f = oLayerGPXPolylines.FeatureGet(i);
if (f is PolylineFeature)
{
PolylineFeature oPolyline = (PolylineFeature)f;
for (int ipart = 0; ipart < oPolyline.m_oParts.Count; ipart++)
{
Part part = oPolyline.m_oParts[ipart];
for (int ipoint = 0; ipoint < part.Points.Count; ipoint++)
{
DPoint layerPoint = part.Points[ipoint];
SymbolFeature symbol = (SymbolFeature)layerPoint.Tag;
double lon = layerPoint.X;
double lat = layerPoint.Y;
double ele = (double)symbol.getField("ele");
DateTime time = (DateTime)symbol.getField("time");
GpxWpt wpt = new GpxWpt(lon, lat, ele, time, -99);
wpt.selected = layerPoint.Selected;
seg.wpts.Add(wpt);
}
}
}
if (seg.wpts.Count > 0)
{
trk.trkSeg.Add(seg);
}
}
return gpxFile;
}
/// <summary>
/// create features on layer based on gpxFile object
/// </summary>
/// <param name="gpxFile"></param>
/// <param name="oLayerGPXPolylines"></param>
/// <param name="oLayerGPXSymbols"></param>
public static void makeMapLayersFromGPX(GPXFile gpxFile, LayerVectors oLayerGPXPolylines, LayerVectors oLayerGPXSymbols)
{
oLayerGPXSymbols.FeaturesClear();
oLayerGPXPolylines.FeaturesClear();
// fill layers with data
if (gpxFile != null)
{
for (int iTrk = 0; iTrk < gpxFile.trks.Count; iTrk++)
{
GPXTrk trk = gpxFile.trks[iTrk];
for (int iSeg = 0; iSeg < trk.trkSeg.Count; iSeg++)
{
GPXTrkSeg seg = trk.trkSeg[iSeg];
List<DPoint> oPoints1 = new List<DPoint>();
for (int iWpt = 0; iWpt < seg.wpts.Count; iWpt++)
{
GpxWpt wpt = seg.wpts[iWpt];
DPoint oPoint = new DPoint(wpt.lon, wpt.lat);
oPoint.Selected = wpt.selected;
oPoints1.Add(oPoint);
// add gpx point
Feature oSymbol = FeatureFactory.CreateSymbol(wpt.lon, wpt.lat, (uint)0xFF00FF00);
oSymbol.Tag = oPoint;
oLayerGPXSymbols.FeaturesAdd(oSymbol);
// link point to symbol and symbol to point
oPoint.Tag = oSymbol;
// fill data
oSymbol.setField("lat", wpt.lat);
oSymbol.setField("lon", wpt.lon);
oSymbol.setField("ele", wpt.ele);
oSymbol.setField("time", wpt.time);
}
if (oPoints1.Count > 0)
{
PolylineFeature oPolyline1 = FeatureFactory.CreatePolyline(oPoints1, new Style(Color.Green));
oLayerGPXPolylines.FeaturesAdd(oPolyline1);
}
}
}
}
}
