public IGPSBounds RelevantArea()
{
IGPSBounds area = null;
if (m_TrailRoutes.Count > 0)
{
area = TrailMapPolyline.getGPSBounds(m_TrailRoutes);
}
if (m_TrailPoints.Count > 0)
{
//Normal trails all have the same radius, should not be much difference anyway
float highlightRadius = m_TrailPoints[0].Radius;
IGPSBounds area2 = TrailGPSLocation.getGPSBounds(m_TrailPoints, 2 * highlightRadius);
area = this.Union(area, area2);
}
if (m_SplitPoints.Count > 0)
{
IGPSBounds area2 = SplitGPSLocation.getGPSBounds(m_SplitPoints);
area = this.Union(area, area2);
}
if (m_MarkedTrailRoutes.Count > 0 || m_MarkedTrailRoutesNoShow.Count > 0)
{
IGPSBounds area2 = Union(TrailMapPolyline.getGPSBounds(m_MarkedTrailRoutes),
TrailMapPolyline.getGPSBounds(m_MarkedTrailRoutesNoShow));
area = this.Union(area, area2);
}
return(area);
}
public new void DoZoom(IGPSBounds area)
{
//Note no m_showPage here, can be done when creating tracks
base.DoZoom(area);
if (m_extraMapLayer != null)
{
m_extraMapLayer.DoZoom(area);
}
}
public bool IsInBounds(IActivity activity)
{
bool result = false;
if (activity != null && activity.GPSRoute != null)
{
IGPSBounds gpsBounds = ActivityCache.GpsBoundsCache(activity);
result = this.IsInBounds(gpsBounds);
}
return(result);
}
public new void SetLocation(IGPSBounds area)
{
if (m_showPage)
{
base.SetLocation(area);
if (m_extraMapLayer != null)
{
m_extraMapLayer.SetLocation(area);
}
}
}
public new void EnsureVisible(IGPSBounds area)
{
if (m_showPage)
{
base.EnsureVisible(area);
if (m_extraMapLayer != null)
{
m_extraMapLayer.EnsureVisible(area);
}
}
}
public void EnsureVisible(IGPSBounds area)
{
if (area != null)
{
double zoom = this.MapControl.Zoom;
if (!this.MapControl.MapBounds.Contains(area))
{
area = this.MapControl.MapBounds.Union(area);
zoom = Math.Max(zoom, this.MapControl.ComputeZoomToFit(area));
this.MapControl.SetLocation(area.Center, zoom);
}
}
}
public IGPSBounds Union(IGPSBounds area1, IGPSBounds area2)
{
if (area1 != null && area2 != null)
{
area1 = area1.Union(area2);
}
else
{
//At least one of the areas is null
if (area2 != null)
{
area1 = area2;
}
}
return(area1);
}
public void SetLocation(IGPSBounds area)
{
if (area != null)
{
double zoom = this.MapControl.Zoom;
double newZoom = zoom;
if (!this.MapControl.MapBounds.Contains(area))
{
newZoom = Math.Max(zoom, this.MapControl.ComputeZoomToFit(area));
}
if (newZoom != zoom ||
Math.Abs(area.Center.LatitudeDegrees - this.MapControl.MapBounds.Center.LatitudeDegrees) / area.LatitudeDegrees > 0.03F ||
Math.Abs(area.Center.LongitudeDegrees - this.MapControl.MapBounds.Center.LongitudeDegrees) / area.LongitudeDegrees > 0.03F)
{
this.MapControl.SetLocation(area.Center, newZoom);
}
}
}
public void DoZoom(IGPSBounds area)
{
if (area != null)
{
double zoom = this.MapControl.Zoom;
//An area slightly larger than requested, to avoid zoom to often
float latOffset = area.LatitudeDegrees * 0.05F;
float lonOffset = area.LongitudeDegrees * 0.05F;
IGPSBounds area2 = new GPSBounds(new GPSLocation(area.NorthLatitudeDegrees + latOffset, area.WestLongitudeDegrees - lonOffset),
new GPSLocation(area.SouthLatitudeDegrees - latOffset, area.EastLongitudeDegrees + lonOffset));
double newZoom = this.MapControl.ComputeZoomToFit(area2);
//Avoid constantly calling SetLocation, slows down
if (!this.MapControl.MapBounds.Contains(area) || Math.Abs(zoom - newZoom) > 2)
{
this.MapControl.SetLocation(area.Center, newZoom);
}
}
}
public static IGPSBounds getGPSBounds(IDictionary <string, MapPolyline> polylines)
{
IGPSBounds area = null;
foreach (MapPolyline m in polylines.Values)
{
GPSBounds area2 = GPSBounds.FromGPSPoints(m.Locations);
if (area2 != null)
{
if (area == null)
{
area = area2;
}
else
{
area = (GPSBounds)area.Union(area2);
}
}
}
return(area);
}
private bool IsInBounds(IGPSBounds activityBounds)
{
if (null == activityBounds || this.TrailLocations.Count == 0)
{
return(false);
}
if (this.GpsBounds == null)
{
return(false);
}
//Have to adjust as ST will not consider i.e. 11,9453<11,92103<11,92104
IGPSBounds a2 = activityBounds;
if (this.GpsBounds.NorthLatitudeDegrees == this.GpsBounds.SouthLatitudeDegrees ||
this.GpsBounds.WestLongitudeDegrees == this.GpsBounds.EastLongitudeDegrees)
{
a2 = new GPSBounds(
new GPSLocation(activityBounds.NorthLatitudeDegrees + 0.01F, activityBounds.WestLongitudeDegrees - 0.01F),
new GPSLocation(activityBounds.SouthLatitudeDegrees - 0.01F, activityBounds.EastLongitudeDegrees + 0.01F));
}
return(a2.Contains(this.GpsBounds));
}
private void RefreshOverlays(bool clear)
{
if (clear || MapControlChanged)
{
ClearOverlays();
ResetMapControl();
}
if (!m_showPage)
{
return;
}
IGPSBounds windowBounds = MapControlBounds;
IList <IMapOverlay> addedOverlays = new List <IMapOverlay>();
//RouteOverlay
//Only add a route exactly once, prefer marked routes
IDictionary <IList <IGPSPoint>, MapPolyline> allRoutes = new Dictionary <IList <IGPSPoint>, MapPolyline>();
IDictionary <IList <IGPSPoint>, MapPolyline> dupRoutes = new Dictionary <IList <IGPSPoint>, MapPolyline>();
foreach (KeyValuePair <string, MapPolyline> pair in m_MarkedTrailRoutes)
{
if (!allRoutes.ContainsKey(pair.Value.Locations))
{
allRoutes.Add(new KeyValuePair <IList <IGPSPoint>, MapPolyline>(pair.Value.Locations, pair.Value));
}
}
foreach (KeyValuePair <string, MapPolyline> pair in m_TrailRoutes)
{
if (!allRoutes.ContainsKey(pair.Value.Locations))
{
allRoutes.Add(new KeyValuePair <IList <IGPSPoint>, MapPolyline>(pair.Value.Locations, pair.Value));
}
else if (!dupRoutes.ContainsKey(pair.Value.Locations))
{
dupRoutes.Add(new KeyValuePair <IList <IGPSPoint>, MapPolyline>(pair.Value.Locations, pair.Value));
}
}
IDictionary <IList <IGPSPoint>, MapPolyline> visibleRoutes = new Dictionary <IList <IGPSPoint>, MapPolyline>();
foreach (KeyValuePair <IList <IGPSPoint>, MapPolyline> pair in allRoutes)
{
IList <IGPSPoint> r = new List <IGPSPoint>();
foreach (IGPSPoint point in pair.Value.Locations)
{
if (windowBounds.Contains(point))
{
visibleRoutes.Add(pair);
break;
}
}
//check for route in bounds only - the following does not seem to speed up
//foreach (IGPSPoint point in pair.Value.Locations)
//{
// if (windowBounds.Contains(point))
// {
// r.Add(point);
// }
//}
//if (r.Count > 0)
//{
// MapPolyline m = new MapPolyline(r, pair.Value.LineWidth, pair.Value.LineColor);
// visibleRoutes.Add(pair.Key, m);
//}
}
IDictionary <IList <IGPSPoint>, IMapOverlay> newRouteOverlays = new Dictionary <IList <IGPSPoint>, IMapOverlay>();
foreach (KeyValuePair <IList <IGPSPoint>, MapPolyline> pair in visibleRoutes)
{
MapPolyline m = pair.Value;
newRouteOverlays.Add(m.Locations, m);
if ((!m_scalingChanged) &&
m_routeOverlays.ContainsKey(m.Locations) &&
!dupRoutes.ContainsKey(m.Locations))
{
//No need to refresh this point
m_routeOverlays.Remove(m.Locations);
}
else
{
addedOverlays.Add(m);
}
}
//TrailPoints
IDictionary <IGPSPoint, IMapOverlay> newPointOverlays = new Dictionary <IGPSPoint, IMapOverlay>();
foreach (TrailGPSLocation location in m_TrailPoints)
{
PointMapMarker pointOverlay = new PointMapMarker(location, getCircleIcon(this.MapControl, location.Radius), MouseEvents && (this.m_editTrail != null));
if (this.MouseEvents && location.Name != "DebugNotClickableDebug")
{
pointOverlay.MouseDown += new MouseEventHandler(pointOverlay_MouseDown);
pointOverlay.MouseUp += new MouseEventHandler(pointOverlay_MouseUp);
}
if (!newPointOverlays.ContainsKey(location))
{
newPointOverlays.Add(location, pointOverlay);
}
addedOverlays.Add(pointOverlay);
}
//SplitPoints
foreach (SplitGPSLocation location in m_SplitPoints)
{
PointMapMarker pointOverlay = new PointMapMarker(location, getRhombusIcon(location.PointColor), false);
if (!newPointOverlays.ContainsKey(location))
{
newPointOverlays.Add(location, pointOverlay);
}
addedOverlays.Add(pointOverlay);
}
// Draw overlay
if (0 == newPointOverlays.Count && 0 == visibleRoutes.Count)
{
return;
}
m_scalingChanged = false;
if (!clear && !MapControlChanged)
{
ClearOverlays();
}
MapControl.AddOverlays(addedOverlays);
m_pointOverlays = newPointOverlays;
m_routeOverlays = newRouteOverlays;
if (m_extraMapLayer != null)
{
try
{
//Remove overlays are not working properly, the Map is not very usable
m_extraMapLayer.MapControl.AddOverlays(addedOverlays);
}
catch (Exception) {}
m_extraMapLayer.m_pointOverlays = newPointOverlays;
m_extraMapLayer.m_routeOverlays = newRouteOverlays;
}
}
public void DoZoom(IGPSBounds area)
{
if (m_showPage)
{
if (area != null)
{
this.MapControl.SetLocation(area.Center,
this.MapControl.ComputeZoomToFit(area));
if (m_extraMapLayer != null)
{
m_extraMapLayer.MapControl.SetLocation(area.Center,
m_extraMapLayer.MapControl.ComputeZoomToFit(area));
}
}
}
}
public IGPSBounds Union(IGPSBounds area1, IGPSBounds area2)
{
if (area1 != null && area2 != null)
{
area1 = area1.Union(area2);
}
else
{
//At least one of the areas is null
if (area2 != null)
{
area1 = area2;
}
}
return area1;
}
