public override void LoadData(System.IO.FileStream __fsFileStream)
{
System.IO.BinaryReader _brdrReader = new System.IO.BinaryReader(__fsFileStream);
// only read necessary params from file header
__fsFileStream.Seek(42, System.IO.SeekOrigin.Begin);
int _iXDimension = (int)_brdrReader.ReadInt16();
__fsFileStream.Seek(108, System.IO.SeekOrigin.Begin);
DataType _dtDataType = (DataType)_brdrReader.ReadInt16();
__fsFileStream.Seek(656, System.IO.SeekOrigin.Begin);
int _iYDimension = (int)_brdrReader.ReadInt16();
__fsFileStream.Seek(1446, System.IO.SeekOrigin.Begin);
UInt32 numframes = (UInt32)_brdrReader.ReadInt32();
// Start reading the XCalibStruct.
SpeCalib XCalib = new SpeCalib(0, 0);
__fsFileStream.Seek(3000, System.IO.SeekOrigin.Begin);
XCalib.Offset = (double)_brdrReader.ReadDouble();
__fsFileStream.Seek(3008, System.IO.SeekOrigin.Begin);
XCalib.Factor = (double)_brdrReader.ReadDouble();
__fsFileStream.Seek(3016, System.IO.SeekOrigin.Begin);
XCalib.current_unit = (char)_brdrReader.ReadChar();
__fsFileStream.Seek(3098, System.IO.SeekOrigin.Begin);
XCalib.CalibValid = (char)_brdrReader.ReadChar();
__fsFileStream.Seek(3101, System.IO.SeekOrigin.Begin);
XCalib.PolynomOrder = (char)_brdrReader.ReadChar();
__fsFileStream.Seek(3263, System.IO.SeekOrigin.Begin);
XCalib.PolynomCoeff[0] = _brdrReader.ReadDouble();
XCalib.PolynomCoeff[1] = _brdrReader.ReadDouble();
XCalib.PolynomCoeff[2] = _brdrReader.ReadDouble();
XCalib.PolynomCoeff[3] = _brdrReader.ReadDouble();
XCalib.PolynomCoeff[4] = _brdrReader.ReadDouble();
XCalib.PolynomCoeff[5] = _brdrReader.ReadDouble();
__fsFileStream.Seek(3311, System.IO.SeekOrigin.Begin);
XCalib.LaserPosition = (double)_brdrReader.ReadDouble();
// Start reading the YCalibStruct.
SpeCalib YCalib = new SpeCalib(0, 0);
__fsFileStream.Seek(3489, System.IO.SeekOrigin.Begin); // move ptr to x_calib start
YCalib.Offset = (double)_brdrReader.ReadDouble();
__fsFileStream.Seek(3497, System.IO.SeekOrigin.Begin);
YCalib.Factor = (double)_brdrReader.ReadDouble();
__fsFileStream.Seek(3505, System.IO.SeekOrigin.Begin);
YCalib.current_unit = (char)_brdrReader.ReadChar();
__fsFileStream.Seek(3587, System.IO.SeekOrigin.Begin);
YCalib.CalibValid = (char)_brdrReader.ReadChar();
__fsFileStream.Seek(3590, System.IO.SeekOrigin.Begin);
YCalib.PolynomOrder = (char)_brdrReader.ReadChar();
__fsFileStream.Seek(3752, System.IO.SeekOrigin.Begin);
YCalib.PolynomCoeff[0] = _brdrReader.ReadDouble();
YCalib.PolynomCoeff[1] = _brdrReader.ReadDouble();
YCalib.PolynomCoeff[2] = _brdrReader.ReadDouble();
YCalib.PolynomCoeff[3] = _brdrReader.ReadDouble();
YCalib.PolynomCoeff[4] = _brdrReader.ReadDouble();
YCalib.PolynomCoeff[5] = _brdrReader.ReadDouble();
__fsFileStream.Seek(3800, System.IO.SeekOrigin.Begin);
YCalib.LaserPosition = (double)_brdrReader.ReadDouble();
int _iDimension;
SpeCalib _calCurrCalib;
if (_iYDimension == 1)
{
_iDimension = _iXDimension;
_calCurrCalib = XCalib;
}
else if (_iXDimension == 1)
{
_iDimension = _iYDimension;
_calCurrCalib = YCalib;
}
else
{
throw new UnexpectedFormatException("xylib does not support 2-D images");
}
__fsFileStream.Seek(4100, System.IO.SeekOrigin.Begin); // move ptr to frames-start
for (int frm = 0; frm < (int)numframes; frm++)
{
Block _blkBlock = new Block();
Column _colXCol = this.GetCalibColumn(_calCurrCalib, _iDimension);
_blkBlock.AddColumn(_colXCol, "", true);
ListColumn _colYCol = new ListColumn();
for (int i = 0; i < _iDimension; ++i)
{
double _dYVal = 0;
switch (_dtDataType)
{
case DataType.SPE_DATA_FLOAT:
_dYVal = (double)_brdrReader.ReadSingle();
break;
case DataType.SPE_DATA_LONG:
_dYVal = (double)_brdrReader.ReadInt32();
break;
case DataType.SPE_DATA_INT:
_dYVal = (double)_brdrReader.ReadInt16();
break;
case DataType.SPE_DATA_UINT:
_dYVal = (double)_brdrReader.ReadUInt16();
break;
default:
break;
}
_colYCol.AddValue(_dYVal);
}
_blkBlock.AddColumn(_colYCol, "", true);
this.m_blcklstBlocks.Add(_blkBlock);
}
}
private Column GetCalibColumn(SpeCalib __calCalib, int _iDimension)
{
this.FormatAssert(__calCalib.PolynomOrder <= 6, "bad polynom header");
if (__calCalib.CalibValid == 0)
{
return new StepColumn(0, 1);
}
else if (__calCalib.PolynomOrder == 1)
{
return new StepColumn(__calCalib.PolynomCoeff[0], __calCalib.PolynomCoeff[1]);
}
else
{
ListColumn _colXCol = new ListColumn();
for (int _iI = 0; _iI < _iDimension; _iI++)
{
double x = 0;
for (int _iJ = 0; _iJ <= __calCalib.PolynomOrder; _iJ++)
{
x += __calCalib.PolynomCoeff[_iJ] * Math.Pow(_iI + 1.0f, (double)_iJ);
}
_colXCol.AddValue(x);
}
return _colXCol;
}
}