/// <summary>
/// Rotate the coordinate map by the given number of degrees
/// </summary>
/// <param name="degrees"></param>
public void Rotate(Double degrees)
{
/**
* create a new point some ways off from our reference point
*/
PointD newPoint = _pixelReferencePoint.Clone() as PointD;
newPoint.X += 100;
/**
* save the lat and long of the new point
*/
GeoPoint geoPoint = GetGeoPoint(newPoint);
/**
* rotate the new point about our reference point
*/
newPoint.Rotate(_pixelReferencePoint, degrees);
GeoPointList geoPoints = new GeoPointList()
{
_geoReferencePoint, geoPoint
};
PointDList pixPoints = new PointDList()
{
_pixelReferencePoint, newPoint
};
/**
* Reinitialize ourself with the new rotation
*/
Initialize(pixPoints, geoPoints);
}
public GeoSquare(GeoPointList points)
: base(points)
{
if (Diagonals[0].Length != Diagonals[1].Length)
{
throw new GeometryException("Trying to create square with invalid shape (Diaganols != )");
}
}
public GeoRectangle(GeoPointList points)
: base(new GeoPointList() { points.NorthWest, points.NorthEast, points.SouthEast, points.SouthWest })
{
if (points.Count != 4)
{
throw new InvalidOperationException("GeoRectangle MUST consist of four points");
}
}
public GeoPointList GetGeoPointList(PointDList pixPointList)
{
GeoPointList retVal = new GeoPointList();
foreach (PointD pt in pixPointList)
{
retVal.Add(GetGeoPoint(pt));
}
return(retVal);
}
public static GeoPointList WestToEast(GeoPointList list)
{
GeoPointList fromList = new GeoPointList(list);
GeoPointList retList = new GeoPointList();
while (fromList.Count > 0)
{
retList.Add(WestMost(fromList));
fromList.Remove(retList.Last());
}
return(retList);
}
public static GeoPointList SouthToNorth(GeoPointList list)
{
GeoPointList fromList = new GeoPointList(list);
GeoPointList retList = new GeoPointList();
while (fromList.Count > 0)
{
retList.Add(SouthMost(fromList));
fromList.Remove(retList.Last());
}
return(retList);
}
public GeoPolygon ToGeoPolygon(int sides = 16)
{
GeoPointList points = new GeoPointList();
Double angleSize = (360 / (Double)sides);
for (Double degrees = 0; degrees < 360; degrees += angleSize)
{
points.Add(EarthGeo.GetPoint(_center, Radius, degrees));
}
GeoPolygon polygon = new GeoPolygon(points);
return(polygon);
}
public bool ContainsAnyPoint(GeoPointList points, Double rayLength = DEFAULT_RAY_LENGTH)
{
bool result = false;
foreach (GeoPoint point in points)
{
if (Contains(point, rayLength))
{
result = true;
break;
}
}
return(result);
}
public static GeoPoint WestMost(GeoPointList list)
{
GeoPoint ret = null;
foreach (GeoPoint point in list)
{
if (ret == null || point.IsWestOf(ret))
{
ret = point;
}
}
return(ret);
}
public static LineList GeoPointsToLineList(GeoPointList points)
{
LineList lines = new LineList();
GeoPoint lastPoint = null;
foreach (GeoPoint point in points)
{
if (lastPoint != null)
{
lines.Add(new Line(lastPoint, point));
}
lastPoint = point;
}
return(lines);
}
void Initialize(PointDList pixPointList, GeoPointList geoPointList)
{
// Get and store the difference in pixel orientation to north (Rotation from north)
double geoBearing = EarthGeo.GetBearing(geoPointList[0], geoPointList[1]);
double pixBearing = GetPixelBearing(pixPointList[0], pixPointList[1]);
this.BearingDelta = geoBearing - pixBearing;
// Get and store the pixel to meter ratio (Scale to meters)
double geoDistance = EarthGeo.GetDistance(geoPointList[0], geoPointList[1]);
double pixDistance = new Line(pixPointList[0], pixPointList[1]).Length;
_pixelsPerMeter = pixDistance / geoDistance;
// Store a pixel cross reference point, from which all other conversions can happen
this.PixPoint = new PointD(pixPointList[0].X, pixPointList[0].Y);
this.GeoPoint = new GeoPoint(geoPointList[0].Y, geoPointList[0].X);
}
public GeoLineList(GeoPointList points)
: base(points.ToGeoLineList())
{
}
public CoordinateMap(PointDList pixPointList, GeoPointList geoPointList)
{
Initialize(pixPointList, geoPointList);
}
public GeoPath(GeoPointList points)
: base(points)
{
}
public GeoPolygon(GeoPointList points)
{
_points = points;
}