internal SubFileParameter(SubFileParameterBuilder subFileParameterBuilder)
{
StartAddress = subFileParameterBuilder.StartAddress;
IndexStartAddress = subFileParameterBuilder.IndexStartAddress;
SubFileSize = subFileParameterBuilder.SubFileSize;
BaseZoomLevel = subFileParameterBuilder.BaseZoomLevel;
ZoomLevelMin = subFileParameterBuilder.ZoomLevelMin;
ZoomLevelMax = subFileParameterBuilder.ZoomLevelMax;
HashCodeValue = CalculateHashCode();
// calculate the XY numbers of the boundary tiles in this sub-file
var tmin = Tilebelt.PointToTile(subFileParameterBuilder.BoundingBox.MinX, subFileParameterBuilder.BoundingBox.MinY, BaseZoomLevel);
BoundaryTileBottom = tmin.Y;
BoundaryTileLeft = tmin.X;
var tmax = Tilebelt.PointToTile(subFileParameterBuilder.BoundingBox.MaxX, subFileParameterBuilder.BoundingBox.MaxY, BaseZoomLevel);
BoundaryTileTop = tmax.Y;
BoundaryTileRight = tmax.X;
// calculate the horizontal and vertical amount of blocks in this sub-file
BlocksWidth = BoundaryTileRight - BoundaryTileLeft + 1;
BlocksHeight = BoundaryTileBottom - BoundaryTileTop + 1;
// calculate the total amount of blocks in this sub-file
NumberOfBlocks = BlocksWidth * BlocksHeight;
IndexEndAddress = IndexStartAddress + NumberOfBlocks * BYTES_PER_INDEX_ENTRY;
}
public static List <Tile> BboxToTiles(double[] bbox, int level)
{
var minTile = Tilebelt.PointToTile(bbox[0], bbox[1], level);
var maxTile = Tilebelt.PointToTile(bbox[2], bbox[3], level);
var result = new List <Tile>();
for (var lon = minTile.X; lon <= maxTile.X; lon++)
{
for (var lat = maxTile.Y; lat <= minTile.Y; lat++)
{
var t = new Tile(lon, lat, level);
result.Add(t);
}
}
return(result);
}
public static List <Tile> GetTilesInArea(double minx, double miny, double maxx, double maxy, int levelFrom, int levelTo)
{
var res = new List <Tile>();
for (var z = levelFrom; z <= levelTo; z++)
{
var tile = Tilebelt.PointToTile(minx, miny, z);
var tile1 = Tilebelt.PointToTile(maxx, maxy, z);
for (var x = tile.X; x <= tile1.X; x++)
{
for (var y = tile1.Y; y <= tile.Y; y++)
{
var t = new Tile(x, y, z);
res.Add(t);
}
}
}
return(res);
}