public Point[] GetUtmCorrectedRelativePolygon(TileXY tilexy, int zone)
{
double[] input = new double[4];
double[] result = new double[8];
input[0] = box.top;
input[1] = box.right;
input[2] = box.bottom;
input[3] = box.left;
for (int i = 0; i < 4; i++)
{
input[i] = input[i] * Math.PI / 180;
}
MUtilities.LatLonRectangleExpandByUtm(zone, input, result);
for (int i = 0; i < 8; i++)
{
result[i] = result[i] * 180 / Math.PI;
}
Point[] points = new Point[4];
points[0] = BingProjection.LatLongToPixelXY(result[0], result[1], tilexy.level);
points[1] = BingProjection.LatLongToPixelXY(result[2], result[3], tilexy.level);
points[2] = BingProjection.LatLongToPixelXY(result[4], result[5], tilexy.level);
points[3] = BingProjection.LatLongToPixelXY(result[6], result[7], tilexy.level);
for (int i = 0; i < 4; i++)
{
points[i].X -= tilexy.x * 256;
points[i].Y -= tilexy.y * 256;
}
return(points);
}
public Point[] GetRelativePolygon(TileXY tilexy)
{
Point[] points = new Point[4];
points[0] = BingProjection.LatLongToPixelXY(box.top, box.left, tilexy.level);
points[1] = BingProjection.LatLongToPixelXY(box.top, box.right, tilexy.level);
points[2] = BingProjection.LatLongToPixelXY(box.bottom, box.right, tilexy.level);
points[3] = BingProjection.LatLongToPixelXY(box.bottom, box.left, tilexy.level);
for (int i = 0; i < 4; i++)
{
points[i].X -= tilexy.x * 256;
points[i].Y -= tilexy.y * 256;
}
return(points);
}