void InitialMapsByLocaltion(C1Maps maps, Location location)
{
C1VectorLayer layer = new C1VectorLayer();
Point center = new Point();
double zoom = 0;
switch (location)
{
case Location.USA:
Utils.LoadShapeFromResource(layer, "MapsSamples.Resources.states.shp", "MapsSamples.Resources.states.dbf", location,
true, ProcessMap);
center = new Point(-115, 50);
zoom = 2;
break;
case Location.Japan:
Utils.LoadShapeFromResource(layer, "MapsSamples.Resources.jp_toku_kuni_pgn.shp", "MapsSamples.Resources.jp_toku_kuni_pgn.dbf", location,
true, ProcessMap);
center = new Point(135, 37);
zoom = 4;
break;
}
if (maps.Layers != null && maps.Layers.Count != 0)
{
maps.Layers.Clear();
}
maps.Layers.Add(layer);
maps.MinZoom = zoom;
maps.Zoom = zoom;
maps.Center = center;
}
private void OnMapsChanged(C1Maps oldMaps)
{
if (oldMaps != null)
{
oldMaps.ZoomChanged -= OnZoomChanged;
oldMaps.CenterChanged -= OnCenterChanged;
oldMaps.SizeChanged -= OnSizeChanged;
}
if (this.Maps != null)
{
this.Maps.ZoomChanged += OnZoomChanged;
this.Maps.CenterChanged += OnCenterChanged;
this.Maps.SizeChanged += OnSizeChanged;
UpdateScale();
}
}
public MapFilterPresenter()
{
_map = new C1Maps
{
Height = 200,
Zoom = 2,
Center = new Point(-83, 39),
ShowTools = false,
Source = new VirtualEarthRoadSource(),
MinZoom = 2,
MaxZoom = 2
};
_map.MouseDoubleClick += _map_MouseDoubleClick;
_layer = new VectorLayer {
LabelVisibility = LabelVisibility.Visible
};
_map.Layers.Add(_layer);
Items.Add(_map);
}
public static void LoadKML(this C1VectorLayer vl, Stream stream, bool centerAndZoom,
ProcessVectorItem processVector)
{
using (StreamReader sr = new StreamReader(stream))
{
string s = sr.ReadToEnd();
List <C1VectorItemBase> vects = KmlReader.Read(s);
vl.BeginUpdate();
foreach (C1VectorItemBase vect in vects)
{
if (processVector != null)
{
if (!processVector(vect))
{
continue;
}
}
vl.Children.Add(vect);
}
vl.EndUpdate();
if (centerAndZoom)
{
Rect bnds = vects.GetBounds();
C1Maps maps = ((IMapLayer)vl).ParentMaps;
if (maps != null)
{
maps.Center = new Point(bnds.Left + 0.5 * bnds.Width, bnds.Top + 0.5 * bnds.Height);
double scale = Math.Max(bnds.Width / 360 * maps.ActualWidth,
bnds.Height / 180 * maps.ActualHeight);;
double zoom = Math.Log(512 / scale, 2.0);
maps.TargetZoom = maps.Zoom = zoom > 0 ? zoom : 0;
}
}
sr.Close();
}
}
void InitialMapsByLocaltion(C1Maps maps, Location location)
{
VectorLayer layer = null;
if (maps.Layers.Count == 0)
{
layer = new VectorLayer();
maps.Layers.Add(layer);
}
else
{
layer = maps.Layers[0] as VectorLayer;
layer.Children.Clear();
}
Point center = new Point();
double zoom = 0;
switch (location)
{
case Location.USA:
Utils.LoadShapeFromResource(layer, "MapsExplorer.Resources.states.shp", "MapsExplorer.Resources.states.dbf", location,
true, ProcessMap);
center = new Point(-115, 50);
zoom = 2;
break;
case Location.Japan:
Utils.LoadShapeFromResource(layer, "MapsExplorer.Resources.jp_toku_kuni_pgn.shp", "MapsExplorer.Resources.jp_toku_kuni_pgn.dbf", location,
true, ProcessMap);
center = new Point(135, 37);
zoom = 4;
break;
}
maps.MinZoom = zoom;
maps.Zoom = zoom;
maps.Center = center;
}
// returns the distance in meters from the center of the map to a point 'pixels' pixels to the right
double GetDistance(double pixels)
{
return(C1Maps.Distance(Maps.Center, Maps.ScreenToGeographic(new Point(
Maps.ActualWidth / 2 + pixels,
Maps.ActualHeight / 2))));
}
