/// <summary>
/// Navigates the <see cref="XamGeographicMap"/> in South direction by specified pan factor - percentage of the current window's height
/// </summary>
public static void NavigateSouth(this XamGeographicMap geoMap, double panScaleFactor = GeoMapGlobals.MapPanScaleFactor)
{
Rect window = geoMap.WindowRect;
double panScale = window.Width * panScaleFactor;
window.Y = System.Math.Min(1.0 - window.Height, window.Y + panScale);
geoMap.NavigateTo(window);
}
/// <summary>
/// Navigates the <see cref="XamGeographicMap"/> in North direction by specified pan factor - percentage of the current window's height
/// </summary>
public static void NavigateNorth(this XamGeographicMap geoMap, double panScaleFactor = GeoMapGlobals.MapPanScaleFactor)
{
Rect window = geoMap.WindowRect;
double panScale = window.Width * panScaleFactor;
window.Y = System.Math.Max(0.0, window.Y - panScale);
geoMap.NavigateTo(window);
}
/// <summary>
/// Zoom out the <see cref="XamGeographicMap"/> by specified zoom factor - percentage of the current window view rectangle
/// </summary>
public static void ZoomOut(this XamGeographicMap geoMap, double zoomScaleFactor = GeoMapGlobals.MapZoomScaleFactor)
{
Rect window = geoMap.WindowRect;
double zoomScaleH = window.Height * zoomScaleFactor;
double zoomScaleW = window.Width * zoomScaleFactor;
//const double zoomWindowMax = 1.0;
window.Width = System.Math.Min(GeoMapGlobals.MapWindowMaxZoom, window.Width + (2 * zoomScaleW));
window.Height = System.Math.Min(GeoMapGlobals.MapWindowMaxZoom, window.Height + (2 * zoomScaleH));
//if (window.Width < GeoMapAdapter.MapWindowMaxZoo)
window.X = System.Math.Max(0.0, window.X - zoomScaleW);
//if (window.Height < GeoMapAdapter.MapWindowMaxZoo)
window.Y = System.Math.Max(0.0, window.Y - zoomScaleH);
geoMap.NavigateTo(window);
}
/// <summary>
/// Zoom in the <see cref="XamGeographicMap"/> by specified zoom factor - percentage of the current window view rectangle
/// </summary>
public static void ZoomIn(this XamGeographicMap geoMap, double zoomScaleFactor = GeoMapGlobals.MapZoomScaleFactor)
{
Rect window = geoMap.WindowRect;
double zoomScaleH = window.Height * zoomScaleFactor;
double zoomScaleW = window.Width * zoomScaleFactor;
//const double zoomWindowMin = 0.00005;
window.Width = System.Math.Max(GeoMapGlobals.MapWindowMinZoom, window.Width - (2 * zoomScaleW));
window.Height = System.Math.Max(GeoMapGlobals.MapWindowMinZoom, window.Height - (2 * zoomScaleH));
//if (window.Width > GeoMapAdapter.MapWindowMinZoom)
window.X = System.Math.Min(1.0, window.X + zoomScaleW);
//if (window.Height > GeoMapAdapter.MapWindowMinZoom)
window.Y = System.Math.Min(1.0, window.Y + zoomScaleH);
geoMap.NavigateTo(window);
}
/// <summary>
/// Navigates the <see cref="XamGeographicMap"/> to max window view rectangle
/// </summary>
public static void NavigateToFullView(this XamGeographicMap geoMap)
{
geoMap.NavigateTo(GeoMapGlobals.MapWindowMaxView);
}
