private static Extent TileToWorldNormal(TileRange range, string levelId, ITileSchema schema)
{
var resolution = schema.Resolutions[levelId];
var tileWorldUnits = resolution.UnitsPerPixel * schema.GetTileWidth(levelId);
var minX = range.FirstCol * tileWorldUnits + schema.GetOriginX(levelId);
var minY = range.FirstRow * tileWorldUnits + schema.GetOriginY(levelId);
var maxX = (range.FirstCol + range.ColCount) * tileWorldUnits + schema.GetOriginX(levelId);
var maxY = (range.FirstRow + range.RowCount) * tileWorldUnits + schema.GetOriginY(levelId);
return new Extent(minX, minY, maxX, maxY);
}
private static TileRange WorldToTileNormal(Extent extent, string levelId, ITileSchema schema)
{
var resolution = schema.Resolutions[levelId];
var tileWorldUnits = resolution.UnitsPerPixel * schema.GetTileWidth(levelId);
var firstCol = (int)Math.Floor((extent.MinX - schema.GetOriginX(levelId)) / tileWorldUnits);
var firstRow = (int)Math.Floor((extent.MinY - schema.GetOriginY(levelId)) / tileWorldUnits);
var lastCol = (int)Math.Ceiling((extent.MaxX - schema.GetOriginX(levelId)) / tileWorldUnits);
var lastRow = (int)Math.Ceiling((extent.MaxY - schema.GetOriginY(levelId)) / tileWorldUnits);
return new TileRange(firstCol, firstRow, lastCol - firstCol, lastRow - firstRow);
}
private static TileRange WorldToTileInvertedY(Extent extent, string levelId, ITileSchema schema)
{
var resolution = schema.Resolutions[levelId];
var tileWorldUnits = resolution.UnitsPerPixel * schema.GetTileWidth(levelId);
var firstCol = (int)Math.Floor((extent.MinX - schema.GetOriginX(levelId)) / tileWorldUnits + Tolerance);
var firstRow = (int)Math.Floor((-extent.MaxY + schema.GetOriginY(levelId)) / tileWorldUnits + Tolerance);
var lastCol = (int)Math.Ceiling((extent.MaxX - schema.GetOriginX(levelId)) / tileWorldUnits - Tolerance);
var lastRow = (int)Math.Ceiling((-extent.MinY + schema.GetOriginY(levelId)) / tileWorldUnits - Tolerance);
return(new TileRange(firstCol, firstRow, lastCol - firstCol, lastRow - firstRow));
}
public static TileRange WorldToTileNormal(Extent extent, string levelId, ITileSchema schema)
{
var resolution = schema.Resolutions[levelId];
var tileWorldUnits = resolution.UnitsPerPixel * schema.GetTileWidth(levelId);
var firstCol = (int)Math.Floor((extent.MinX - schema.GetOriginX(levelId)) / tileWorldUnits);
var firstRow = (int)Math.Floor((extent.MinY - schema.GetOriginY(levelId)) / tileWorldUnits);
var lastCol = (int)Math.Ceiling((extent.MaxX - schema.GetOriginX(levelId)) / tileWorldUnits);
var lastRow = (int)Math.Ceiling((extent.MaxY - schema.GetOriginY(levelId)) / tileWorldUnits);
return(new TileRange(firstCol, firstRow, lastCol - firstCol, lastRow - firstRow));
}
private static Extent TileToWorldInvertedY(TileRange range, int level, ITileSchema schema)
{
var resolution = schema.Resolutions[level];
var tileWidthWorldUnits = resolution.UnitsPerPixel * schema.GetTileWidth(level);
var tileHeightWorldUnits = resolution.UnitsPerPixel * schema.GetTileHeight(level);
var minX = range.FirstCol * tileWidthWorldUnits + schema.GetOriginX(level);
var minY = -(range.FirstRow + range.RowCount) * tileHeightWorldUnits + schema.GetOriginY(level);
var maxX = (range.FirstCol + range.ColCount) * tileWidthWorldUnits + schema.GetOriginX(level);
var maxY = -(range.FirstRow) * tileHeightWorldUnits + schema.GetOriginY(level);
return(new Extent(minX, minY, maxX, maxY));
}
private static TileRange WorldToTileNormal(Extent extent, int level, ITileSchema schema)
{
var resolution = schema.Resolutions[level];
var tileWidthWorldUnits = resolution.UnitsPerPixel * schema.GetTileWidth(level);
var tileHeightWorldUnits = resolution.UnitsPerPixel * schema.GetTileHeight(level);
var firstCol = (int)Math.Floor((extent.MinX - schema.GetOriginX(level)) / tileWidthWorldUnits + Tolerance);
var firstRow = (int)Math.Floor((extent.MinY - schema.GetOriginY(level)) / tileHeightWorldUnits + Tolerance);
var lastCol = (int)Math.Ceiling((extent.MaxX - schema.GetOriginX(level)) / tileWidthWorldUnits - Tolerance);
var lastRow = (int)Math.Ceiling((extent.MaxY - schema.GetOriginY(level)) / tileHeightWorldUnits - Tolerance);
return(new TileRange(firstCol, firstRow, lastCol - firstCol, lastRow - firstRow));
}
private static Extent TileToWorldNormal(TileRange range, string levelId, ITileSchema schema)
{
var resolution = schema.Resolutions[levelId];
var tileWorldUnits = resolution.UnitsPerPixel * schema.GetTileWidth(levelId);
var minX = range.FirstCol * tileWorldUnits + schema.GetOriginX(levelId);
var minY = range.FirstRow * tileWorldUnits + schema.GetOriginY(levelId);
var maxX = (range.FirstCol + range.ColCount) * tileWorldUnits + schema.GetOriginX(levelId);
var maxY = (range.FirstRow + range.RowCount) * tileWorldUnits + schema.GetOriginY(levelId);
return(new Extent(minX, minY, maxX, maxY));
}
private void SafeSchema(ITileSchema schema)
{
_axis = schema.YAxis;
_minX = schema.Extent.MinX;
_maxX = schema.Extent.MaxX;
_minY = schema.Extent.MinY;
_maxY = schema.Extent.MaxY;
_format = schema.Format;
_height = schema.GetTileHeight(String.Empty);
_width = schema.GetTileWidth(String.Empty);
_schemaName = schema.Name;
_originX = schema.GetOriginX(String.Empty);
_originY = schema.GetOriginY(String.Empty);
_srs = schema.Srs;
_resolutions = new Dictionary <string, Resolution>();
foreach (var resolution in schema.Resolutions)
{
_resolutions.Add(resolution.Key, resolution.Value);
}
}
private void SafeSchema(ITileSchema schema)
{
_axis = schema.YAxis;
_minX = schema.Extent.MinX;
_maxX = schema.Extent.MaxX;
_minY = schema.Extent.MinY;
_maxY = schema.Extent.MaxY;
_format = schema.Format;
_height = schema.GetTileHeight(String.Empty);
_width = schema.GetTileWidth(String.Empty);
_schemaName = schema.Name;
_originX = schema.GetOriginX(String.Empty);
_originY = schema.GetOriginY(String.Empty);
_srs = schema.Srs;
_resolutions = new Dictionary<string, Resolution>();
foreach (var resolution in schema.Resolutions)
_resolutions.Add(resolution.Key, resolution.Value);
}
