public PointF[] GenerateTrackGraphic(GPXAnalyzer frm, int Trackidx, int width, int height, int borderWidth)
{
PointF[] Points = new PointF[0];
if (!ValidTrack(Trackidx)) return Points;
if (gpxInfo != null)
{
// Compute scale factor
double dlat = (double)(trackBounds.maxlat - trackBounds.minlat);
double dlon = (double)(trackBounds.maxlon - trackBounds.minlon);
double xScale = (width - 2 * borderWidth) / dlon;
double yScale = (height - 2 * borderWidth) / dlat;
xScale = Math.Min(xScale, yScale);
yScale = xScale;
trkType track = gpxInfo.trk[Trackidx];
trksegType seg = track.trkseg[0];
Points = new PointF[seg.trkpt.Length];
wptType wpt;
for (int iPoint = 0; iPoint < seg.trkpt.Length; iPoint++)
{
wpt = seg.trkpt[iPoint];
PointF pt = frm.LatLonToScreen((double)wpt.lat, (double)wpt.lon,
(double)trackBounds.minlat, (double)trackBounds.minlon, xScale, yScale);
Points[iPoint] = pt;
}
}
return Points;
}
