//=========================================================================
public static iTile LoadOrCreate(string a_filename, int a_stripStartPercent, int a_stripWidthPercent, int a_bandStartPercent, int a_bandWidthPercent)
{
// read the source file header into a temp tile
var elevTile = LoadSourceHeader(a_filename);
if (elevTile != null)
{
// we found the source file, so set params for the subtile we are interested in
elevTile.MakeSubTile(a_stripStartPercent, a_stripWidthPercent, a_bandStartPercent, a_bandWidthPercent);
Console.WriteLine("Loading {0}...", elevTile.TileFile);
// now load the subtile, if it exists
elevTile = Deserialize(elevTile.TileFile);
if (elevTile == null)
{
// desrialisation failed so start from scratch
elevTile = new iTileMaker();
// read the header
using (var reader = elevTile.ReadSourceHeader(a_filename))
{
// remake the subtile params again
elevTile.MakeSubTile(a_stripStartPercent, a_stripWidthPercent, a_bandStartPercent, a_bandWidthPercent);
Console.WriteLine("Creating {0}...", elevTile.TileFile);
// read the data from the source
elevTile.LoadSourceData(reader);
}
// write the data out
elevTile.Serialize();
}
Console.WriteLine("Done!");
elevTile.TraceTile();
}
return(elevTile);
}
//=========================================================================
public static iTile Create(string a_filename, int a_stripStartPercent, int a_stripWidthPercent, int a_bandStartPercent, int a_bandWidthPercent)
{
// create a tilemaker and load the data
var tileMaker = new iTileMaker();
using (var reader = tileMaker.ReadSourceHeader(a_filename))
{
tileMaker.MakeSubTile(a_stripStartPercent, a_stripWidthPercent, a_bandStartPercent, a_bandWidthPercent);
tileMaker.LoadSourceData(reader);
}
// create a fresh tile from the maker base and serialize it
var createdTile = new iTile(tileMaker);
createdTile.Serialize();
return(createdTile);
}
//=========================================================================
/// <summary>
/// Loads the header from an ascii source file into a temporary tile
/// </summary>
/// <param name="a_filename">the name of the source file (.asc)</param>
/// <returns>a tile with only the header filled out</returns>
private static iTileMaker LoadSourceHeader(string a_filename)
{
iTileMaker returnTile = null;
var elevTile = new iTileMaker();
try
{
using (var streamReader = elevTile.ReadSourceHeader(a_filename))
{
if (streamReader != null)
{
returnTile = elevTile;
}
}
}
catch (Exception)
{
}
return(returnTile);
}
