public GpkgTileSchema(GpkgContent content)
{
Debug.Assert(content.DataType == "tiles", "Not a 'tiles' GeoPackageContent");
_name = content.TableName;
var tms = GpkgTileMatrixSet.Read(content);
Format = "image/png";
Extent = new Extent(content.Extent.MinX, content.Extent.MinY,
content.Extent.MaxX, content.Extent.MaxY);
Srs = "EPSG:" + content.SRID;
_resolutions = tms.ToResolutions();
}
public static GpkgTileMatrixSet Read(GpkgContent content)
{
GpkgTileMatrixSet tms;
using (var cn = new SQLiteConnection(content.ConnectionString).OpenAndReturn())
{
// Read the tile matrix set
var cmd = new SQLiteCommand(SelectTileMatrixSet, cn);
cmd.Parameters.AddWithValue(null, content.TableName);
var rdr = cmd.ExecuteReader();
rdr.Read();
tms = new GpkgTileMatrixSet(rdr);
// Read the tile matrices for the tile matrix set
cmd = new SQLiteCommand(SelectTileMatrix, cn);
cmd.Parameters.AddWithValue(null, content.TableName);
rdr = cmd.ExecuteReader();
while (rdr.Read())
{
tms.TileMatrices.Add(new GpkgTileMatrix(rdr));
}
}
return(tms);
}
