/// <summary>
/// Writes the header, regardless of which subtype of binary raster this is written for
/// </summary>
/// <param name="filename">The string filename specifying what file to load</param>
public void ReadHeader(string filename)
{
BinaryReader br = new BinaryReader(new FileStream(filename, FileMode.Open));
StartColumn = 0;
NumColumns = br.ReadInt32();
NumColumnsInFile = NumColumns;
EndColumn = NumColumns - 1;
StartRow = 0;
NumRows = br.ReadInt32();
NumRowsInFile = NumRows;
EndRow = NumRows - 1;
Bounds = new RasterBounds(NumRows, NumColumns, new[] {0.0, 1.0, 0.0, NumRows, 0.0, -1.0});
CellWidth = br.ReadDouble();
Bounds.AffineCoefficients[5] = -br.ReadDouble(); // dy
Xllcenter = br.ReadDouble();
Yllcenter = br.ReadDouble();
RasterDataTypes dataType = (RasterDataTypes) br.ReadInt32();
if (dataType != RasterDataTypes.DOUBLE)
{
throw new ArgumentException(
MessageStrings.ArgumentOfWrongType_S1_S2.Replace("%S1", filename).Replace("%S2",
"BinaryDoubleRaster"));
}
DoubleNoDataValue = br.ReadDouble();
string prj = Encoding.ASCII.GetString(br.ReadBytes(255)).Replace('\0', ' ').Trim();
if (prj != null)
{
if (prj.Length == 0) Projection = null;
}
else
{
Projection = new ProjectionInfo();
Projection.ReadProj4String(prj);
}
Notes = Encoding.ASCII.GetString(br.ReadBytes(255)).Replace('\0', ' ').Trim();
if (Notes != null)
if (Notes.Length == 0) Notes = null;
br.Close();
}
/// <summary>
/// Writes the header, regardless of which subtype of binary raster this is written for
/// </summary>
/// <param name="filename">The string filename specifying what file to load</param>
public void ReadHeader(string filename)
{
// Our older formats used ASCII encoding for the characters, not Unicode. The difference is that in the old fashion method,
// of ASCII, each character is a single byte. In Unicode, it is two bytes. if we write Future binary handlers, however, they should use unicode,
// not ASCII, and strings should just use the converter which has a string length followed by the unicode strings.
BinaryReader br = new BinaryReader(new FileStream(filename, FileMode.Open));
StartColumn = 0;
NumColumns = br.ReadInt32();
NumColumnsInFile = NumColumns;
EndColumn = NumColumns - 1;
StartRow = 0;
NumRows = br.ReadInt32();
NumRowsInFile = NumRows;
EndRow = NumRows - 1;
Bounds = new RasterBounds(NumRows, NumColumns, new[] {0.0, 1.0, 0.0, NumRows, 0.0, -1.0});
CellWidth = br.ReadDouble();
Bounds.AffineCoefficients[5] = -br.ReadDouble(); // dy
Xllcenter = br.ReadDouble();
Yllcenter = br.ReadDouble();
RasterDataTypes dataType = (RasterDataTypes) br.ReadInt32();
if (dataType != RasterDataTypes.SINGLE)
{
throw new ArgumentException(
MessageStrings.ArgumentOfWrongType_S1_S2.Replace("%S1", filename).Replace("%S2", "BinaryFloatRaster"));
}
FloatNoDataValue = br.ReadSingle();
string proj = Encoding.ASCII.GetString(br.ReadBytes(255)).Replace('\0', ' ').Trim();
Projection = new ProjectionInfo();
Projection.ReadProj4String(proj);
Notes = Encoding.ASCII.GetString(br.ReadBytes(255)).Replace('\0', ' ').Trim();
if (Notes.Length == 0) Notes = null;
br.Close();
}