// Get the supplied area, in pixels
public IRectangle GetRectPixels(Int32 _scale, IRectangleD _rect)
{
Point ptLB = GetBitmapCoordinate(new PointF((float)_rect.XMin, (float)_rect.YMin), _scale);
Point ptRT = GetBitmapCoordinate(new PointF((float)_rect.XMax, (float)_rect.YMax), _scale);
// left-top pixel is at (0, 0), reversed by Y
return(new Rectangle(ptLB.X, ptRT.Y, ptRT.X, ptLB.Y));
}
// Get the supplied area, in pixels
public IRectangle GetRectPixels(Int32 scale, IRectangleD rect)
{
int d = (1 << (_scaleHi - scale + 1)) * _tileSizeY;
double c = Math.Pow(2.0, scale - _scaleLo);
//reverse y
Rectangle rectPixels = new Rectangle((int)((rect.XMin) / c), Math.Max(0, Math.Min(d - 1, (int)((-rect.YMax) / c))), (int)((rect.XMax) / c), Math.Max(0, Math.Min(d - 1, (int)((-rect.YMin) / c))));
return(rectPixels);
}
// Get the supplied area, in tiles
public IRectangle GetRectTiles(Int32 _scale, IRectangleD _rect)
{
IRectangle rectTiles = GetRectPixels(_scale, _rect);
rectTiles.XMin = rectTiles.XMin / m_nTileSizeX;
rectTiles.YMin = rectTiles.YMin / m_nTileSizeY;
rectTiles.XMax = rectTiles.XMax / m_nTileSizeX;
rectTiles.YMax = rectTiles.YMax / m_nTileSizeY;
return(rectTiles);
}
// Get the supplied area, in pixels
public IRectangle GetRectPixels(Int32 _scale, IRectangleD _rect)
{
int d = (1 << (m_nScaleHi - _scale + 1)) * m_nTileSizeY;
double c = Math.Pow(2.0, _scale - m_nScaleLo);
// y should be reversed
Rectangle rect = new Rectangle((int)((_rect.XMin) / c), Math.Max(0, Math.Min(d - 1, (int)(d / 2 - (_rect.YMax) / c))), (int)((_rect.XMax) / c), Math.Max(0, Math.Min(d - 1, (int)(d / 2 - (_rect.YMin) / c))));
return(rect);
}
// Get the supplied area, in tiles
public IRectangle GetRectTiles(Int32 scale, IRectangleD rect)
{
IRectangle rectTiles = GetRectPixels(scale, rect);
rectTiles.XMin = rectTiles.XMin / _tileSizeX;
rectTiles.YMin = rectTiles.YMin / _tileSizeY;
rectTiles.XMax = rectTiles.XMax / _tileSizeX;
rectTiles.YMax = rectTiles.YMax / _tileSizeY;
return(rectTiles);
}
public IRectangle GetRectPixels(int _scale, IRectangleD _rect)
{
//_rect is in the coordinate system of the image, in this case mercator spherical projection
GlobalMercator p = new GlobalMercator();
//reverse the scale values (Manifold goes the opposite way to TMS / Google / Microsoft)
Int32 zoom = ScaleHi - _scale;
Point ptLB = p.GetPixels(new PointD(_rect.XMin, _rect.YMin), zoom);
Point ptRT = p.GetPixels(new PointD(_rect.XMax, _rect.YMax), zoom);
// bottom-left pixel is at (0, 0)
return(new Rectangle(Convert.ToInt32(ptLB.X), Convert.ToInt32(ptLB.Y), Convert.ToInt32(ptRT.X), Convert.ToInt32(ptRT.Y)));
}
public IRectangle GetRectTiles(int _scale, IRectangleD _rect)
{
IRectangle rectFix = GetRectPixels(_scale, _rect);
rectFix.XMax = rectFix.XMax - 1;
rectFix.YMax = rectFix.YMax - 1;
rectFix.XMin = rectFix.XMin / m_TileSizeX;
rectFix.YMin = rectFix.YMin / m_TileSizeY;
rectFix.XMax = rectFix.XMax / m_TileSizeX;
rectFix.YMax = rectFix.YMax / m_TileSizeY;
return(rectFix);
}
// Get the supplied area, in tiles
public IRectangle GetRectTiles(Int32 _scale, IRectangleD _rect)
{
IRectangle rectFix = GetRectPixels(_scale, _rect);
rectFix.XMax = rectFix.XMax - 1;
rectFix.YMax = rectFix.YMax - 1;
rectFix.XMin = rectFix.XMin / m_nTileSizeX;
rectFix.YMin = rectFix.YMin / m_nTileSizeY;
rectFix.XMax = rectFix.XMax / m_nTileSizeX;
rectFix.YMax = rectFix.YMax / m_nTileSizeY;
return rectFix;
}
// Get the supplied area, in pixels
public IRectangle GetRectPixels(Int32 _scale, IRectangleD _rect)
{
Point ptLB = GetBitmapCoordinate(new PointF((float)_rect.XMin, (float)_rect.YMin), _scale);
Point ptRT = GetBitmapCoordinate(new PointF((float)_rect.XMax, (float)_rect.YMax), _scale);
// left-top pixel is at (0, 0), reversed by Y
return new Rectangle(ptLB.X, ptRT.Y, ptRT.X, ptLB.Y);
}
public IRectangle GetRectPixels(int _scale, IRectangleD _rect)
{
//_rect is in the coordinate system of the image, in this case mercator spherical projection
GlobalMercator p = new GlobalMercator();
//reverse the scale values (Manifold goes the opposite way to TMS / Google / Microsoft)
Int32 zoom = ScaleHi - _scale;
Point ptLB = p.GetPixels(new PointD(_rect.XMin, _rect.YMin), zoom);
Point ptRT = p.GetPixels(new PointD(_rect.XMax, _rect.YMax), zoom);
// bottom-left pixel is at (0, 0)
return new Rectangle(Convert.ToInt32(ptLB.X), Convert.ToInt32(ptLB.Y), Convert.ToInt32(ptRT.X), Convert.ToInt32(ptRT.Y));
}
// Get the supplied area, in pixels
public IRectangle GetRectPixels(Int32 _scale, IRectangleD _rect)
{
int d = (1 << (m_nScaleHi - _scale + 1)) * m_nTileSizeY;
double c = Math.Pow(2.0, _scale - m_nScaleLo);
// y should be reversed
Rectangle rect = new Rectangle((int)((_rect.XMin) / c), Math.Max(0, Math.Min(d - 1, (int)(d / 2 - (_rect.YMax) / c))), (int)((_rect.XMax) / c), Math.Max(0, Math.Min(d - 1, (int)(d / 2 - (_rect.YMin) / c))));
return rect;
}
