public static GridFloat Read(string path)
{
string headerPath = Path.ChangeExtension(path, "hdr");
if (!File.Exists(path))
{
throw new Exception("File not found");
}
if (!File.Exists(headerPath))
{
throw new Exception("Header file not found");
}
GridFloatHeader header = ReadHeader(headerPath);
float[,] data = ReadData(header, path);
return(new GridFloat(data, header));
}
private static float[,] ReadData(GridFloatHeader header, string path)
{
float[,] data = new float[header.ncols, header.nrows];
using (var stream = File.OpenRead(path))
{
byte[] buffer = new byte[4];
for (int x = 0; x < header.ncols; x++)
{
for (int y = 0; y < header.nrows; y++)
{
stream.Read(buffer, 0, 4);
if (BitConverter.IsLittleEndian ^ header.byteorder)
{
Array.Reverse(buffer);
}
data[x, y] = BitConverter.ToSingle(buffer, 0);
}
}
}
return(data);
}
internal GridFloat(float[,] data, GridFloatHeader header)
{
Data = data;
Header = header;
}
private static GridFloatHeader ReadHeader(string headerPath)
{
var header = new GridFloatHeader(headerPath);
return(header);
}