public Dictionary <Corner, LongLat> GetRotatedBoxCornerLongLats()
{
var rotation = -Rotation;
var corners = new Dictionary <Corner, LongLat>();
corners[Corner.NorthEast] = new LongLat(East, North);
corners[Corner.NorthWest] = new LongLat(West, North);
corners[Corner.SouthWest] = new LongLat(West, South);
corners[Corner.SouthEast] = new LongLat(East, South);
var projectionOrigin = new LongLat((East + West) / 2, (North + South) / 2);
var projectedMapCenter = projectionOrigin.Project(projectionOrigin);
var projectedCorners = new Dictionary <Corner, PointD>();
projectedCorners[Corner.NorthEast] = corners[Corner.NorthEast].Project(projectionOrigin);
projectedCorners[Corner.NorthWest] = corners[Corner.NorthWest].Project(projectionOrigin);
projectedCorners[Corner.SouthWest] = corners[Corner.SouthWest].Project(projectionOrigin);
projectedCorners[Corner.SouthEast] = corners[Corner.SouthEast].Project(projectionOrigin);
var projectedRotatedCorners = new Dictionary <Corner, PointD>();
projectedRotatedCorners[Corner.NorthEast] = LinearAlgebraUtil.Rotate(projectedCorners[Corner.NorthEast], projectedMapCenter, rotation);
projectedRotatedCorners[Corner.NorthWest] = LinearAlgebraUtil.Rotate(projectedCorners[Corner.NorthWest], projectedMapCenter, rotation);
projectedRotatedCorners[Corner.SouthWest] = LinearAlgebraUtil.Rotate(projectedCorners[Corner.SouthWest], projectedMapCenter, rotation);
projectedRotatedCorners[Corner.SouthEast] = LinearAlgebraUtil.Rotate(projectedCorners[Corner.SouthEast], projectedMapCenter, rotation);
var rotatedCorners = new Dictionary <Corner, LongLat>();
rotatedCorners[Corner.NorthWest] = LongLat.Deproject(projectedRotatedCorners[Corner.NorthWest], projectionOrigin);
rotatedCorners[Corner.NorthEast] = LongLat.Deproject(projectedRotatedCorners[Corner.NorthEast], projectionOrigin);
rotatedCorners[Corner.SouthWest] = LongLat.Deproject(projectedRotatedCorners[Corner.SouthWest], projectionOrigin);
rotatedCorners[Corner.SouthEast] = LongLat.Deproject(projectedRotatedCorners[Corner.SouthEast], projectionOrigin);
return(rotatedCorners);
}
/// <summary>
/// Converts a map image pixel coordinate to a longitude and latitude coordinate
/// </summary>
/// <param name="mapImagePosition">Map pixel coordinate, referring to unzoomed map without any borders and image header</param>
/// <returns></returns>
public LongLat GetLongLatForMapImagePosition(PointD mapImagePosition, GeneralMatrix averageTransformationMatrixInverse)
{
var projectedPosition = LinearAlgebraUtil.Transform(mapImagePosition, averageTransformationMatrixInverse);
return(LongLat.Deproject(projectedPosition, ProjectionOrigin));
}
