SyntaxMethods   GetGeoSizeAtZoomLevel(MapProviderBase, Int32, Location, Size)  LogicalToPixel(LogicalToScreenParameters, Point)  LogicalToPixel(LogicalToScreenParameters, Point, Point)  PixelToLogicalSize(MapProviderBase, Double, Int32)

Class MapMathHelper

Provides methods which perform calculations on geographical coordinates and distances.

Inheritance

System.Object

MapMathHelper

Namespace: Telerik.Windows.Controls.Map

Assembly: Telerik.Windows.Controls.DataVisualization.dll

Syntax

public static class MapMathHelper : Object

Methods

GetGeoSizeAtZoomLevel(MapProviderBase, Int32, Location, Size)

Gets geographical size from the pixel size at the given zoom level for the given map provider.

Declaration

public static Size GetGeoSizeAtZoomLevel(MapProviderBase provider, int zoomLevel, Location basePoint, Size pixelSize)

Parameters

MapProviderBase provider Map provider.

System.Int32 zoomLevel Zoom level.

Location basePoint Base point.

System.Windows.Size pixelSize The size in pixels.

Returns

System.Windows.Size Size in degree.

LogicalToPixel(LogicalToScreenParameters, Point)

Converts a logic point to a Pixel Point on the current screen at a particular zoom level.

Declaration

public static Point LogicalToPixel(LogicalToScreenParameters screenParameters, Point logicalPoint)

Parameters

LogicalToScreenParameters screenParameters Conversion parameters.

System.Windows.Point logicalPoint The logical point.

Returns

System.Windows.Point Pixel Point.

LogicalToPixel(LogicalToScreenParameters, Point, Point)

Converts a logic point to a Pixel Point on the current screen at a particular zoom level and moves it relative to base point.

Declaration

public static Point LogicalToPixel(LogicalToScreenParameters screenParameters, Point logicalPoint, Point basePoint)

Parameters

LogicalToScreenParameters screenParameters Conversion parameters.

System.Windows.Point logicalPoint The logical point.

System.Windows.Point basePoint The base point.

Returns

System.Windows.Point Pixel Point.

PixelToLogicalSize(MapProviderBase, Double, Int32)

Convert pixel size to the logical size at the given zoom level.

Declaration

public static double PixelToLogicalSize(MapProviderBase provider, double pixelSize, int zoomLevel)

Parameters

MapProviderBase provider Map provider.

System.Double pixelSize Pixel size.

System.Int32 zoomLevel Zoom level.

Returns

System.Double Logical size.