public static string[] GetListofRayDataFieldsPresent(KnownDataFlagBlock dataFlagBlock, FileHeaderBlock fileHeaderBlock, AdditionalRayDataColumnLabelsBlock additionalRayDataColumn = null)
{
Type type = typeof(KnownDataFlagBlock);
string[] rayitems = new string[FindNumberOfRayDataFields(dataFlagBlock, fileHeaderBlock)];
var position = 0;
foreach (FieldInfo fi in type.GetFields(BindingFlags.Instance | BindingFlags.Public))
{
if (fi.Name == "PositionFlag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[0] = "X Position";
rayitems[1] = "Y Position";
rayitems[2] = "Z Position";
position += 3;
}
if (fi.Name == "PositionFlag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[3] = "X Direction Cosine";
rayitems[4] = "Y Direction Cosine";
rayitems[5] = "Z Direction Cosine";
position += 3;
}
if (fi.Name == "RadiantFlux_StokesS0Flag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[position] = "Radiant Flux/Stokes S0";
position += 1;
}
if (fi.Name == "WavelengthFlag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[position] = "Wavelength";
position += 1;
}
if (fi.Name == "LuminousFlux_TristimulusYFlag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[position] = "LuminousFlux / Tristimulus Y";
position += 1;
}
if (fi.Name == "StokesFlag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[position] = "Stokes S1";
rayitems[position + 1] = "Stokes S2";
rayitems[position + 2] = "Stokes S3";
position += 3;
}
if (fi.Name == "TristimulusFlag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[position] = "X Tristimulus";
rayitems[position + 1] = "Y Tristimulus";
position += 2;
}
if (fi.Name == "SpectrumIndexFlag" && (int)fi.GetValue(dataFlagBlock) == 1)
{
rayitems[position] = "Spectrum Index";
position += 1;
}
if (fileHeaderBlock.NumberOfAdditionalRayDataItemsPerRay > 0)
{
for (int i = 0; i < fileHeaderBlock.NumberOfAdditionalRayDataItemsPerRay; i++)
{
rayitems[position] = additionalRayDataColumn.ColumnNames[i];
}
}
}
return(rayitems);
}
public IESTM25File(string fileName, ulong numrays)
{
using (BinaryReader reader = new BinaryReader(File.Open(fileName, FileMode.Open)))
{
FileHeaderBlock fileHeader = new FileHeaderBlock();
ReadHeaderBlock(reader, ref fileHeader);
if (!fileHeader.CheckHeaderBlockisValid())
{
throw new InvalidTM25Exception("Header Block Not Correct Size", "");
}
FileHeader = fileHeader;
KnownDataFlagBlock knownDataFlag = new KnownDataFlagBlock();
ReadDataFlagBlock(reader, ref knownDataFlag);
if (!knownDataFlag.CheckKnownDataFlagBlockisValid())
{
throw new InvalidTM25Exception("Data Flag Block Not Correct Size", "");
}
DataFlags = knownDataFlag;
DescriptionHeaderBlock descriptionHeader = new DescriptionHeaderBlock();
ReadDescriptionHeaderBlock(reader, ref descriptionHeader);
if (!descriptionHeader.CheckDescriptionBlockisValid())
{
throw new InvalidTM25Exception("Description Header Block is Not Correct Size", "");
}
DescriptionHeader = descriptionHeader;
if (FileHeader.NumberOfSpectralTables > 0)
{
SpectralTableBlock spectralTables = new SpectralTableBlock();
spectralTables.SpectralTables = new List <SpectralTable>();
ReadSpectralTableBlock(reader, ref spectralTables);
if (!spectralTables.CheckSpectralTableisValid())
{
throw new InvalidTM25Exception("Spectral Table Block is Not Correct Size", "");
}
SpectralTables = spectralTables;
}
if (FileHeader.NumberOfAdditionalRayDataItemsPerRay > 0)
{
AdditionalRayDataColumnLabelsBlock columnLabelsBlock = new AdditionalRayDataColumnLabelsBlock();
ReadColumnsLabelsBlock(reader, ref columnLabelsBlock);
if (!columnLabelsBlock.CheckAdditionalRayDataColumnisValid())
{
throw new InvalidTM25Exception("Additional Ray Data Columns Block is incorrect");
}
AdditionalRayDataColumnLabels = columnLabelsBlock;
}
if (FileHeader.SizeOfAdditionalTextBlock > 0)
{
AdditionalTextBlock additionalTextBlock = new AdditionalTextBlock();
ReadAdditionalTextBlock(reader, ref additionalTextBlock);
AdditionalText = additionalTextBlock;
}
RayDataLinesBlock rayDataLines = new RayDataLinesBlock();
rayDataLines.Rays = new float[FileHeader.NumberOfRays][];
ReadPartialRayDataBlock(reader, ref rayDataLines, numrays);
rayDataLines.RayDataMembers = TM25HelperFunctions.GetListofRayDataFieldsPresent(DataFlags, FileHeader, AdditionalRayDataColumnLabels);
RayData = rayDataLines;
}
}
public static int FindNumberOfRayDataFields(KnownDataFlagBlock dataFlagBlock, FileHeaderBlock fileHeaderBlock)
{
Type type = typeof(KnownDataFlagBlock);
int numberofitems = 0;
foreach (FieldInfo fi in type.GetFields(BindingFlags.Instance | BindingFlags.Public))
{
if (fi.Name == "PositionFlag" || fi.Name == "DirectionFlag" || fi.Name == "StokesFlag")
{
if ((int)fi.GetValue(dataFlagBlock) == 1)
{
numberofitems += 3;
}
}
else if (fi.Name == "TristimulusFlag")
{
if ((int)fi.GetValue(dataFlagBlock) == 1)
{
numberofitems += 2;
}
}
else
{
if ((int)fi.GetValue(dataFlagBlock) == 1)
{
numberofitems++;
}
}
}
if (fileHeaderBlock.NumberOfAdditionalRayDataItemsPerRay > 0)
{
numberofitems += fileHeaderBlock.NumberOfAdditionalRayDataItemsPerRay;
}
return(numberofitems);
}
private void ReadHeaderBlock(BinaryReader reader, ref FileHeaderBlock fileheader)
{
var bytebuffer = reader.ReadBytes(4);
var text = System.Text.Encoding.ASCII.GetString(bytebuffer);
if (text != "TM25")
{
throw new InvalidTM25Exception("FileType is not TM25", text);
}
fileheader.FileType = bytebuffer;
var intbuffer = reader.ReadInt32();
if (intbuffer != 2013)
{
throw new InvalidTM25Exception("File Version is not 2013", intbuffer.ToString());
}
fileheader.FileVersion = intbuffer;
fileheader.CreationMethod = reader.ReadInt32();
fileheader.TotalLuminousFlux = reader.ReadSingle();
fileheader.TotalRadiantFlux = reader.ReadSingle();
fileheader.NumberOfRays = reader.ReadUInt64();
fileheader.FileCreationDateAndTime = reader.ReadBytes(28);
fileheader.RayStartPosition = reader.ReadInt32();
intbuffer = reader.ReadInt32();
if (intbuffer > 4 || intbuffer < 0)
{
throw new InvalidTM25Exception("Spectral Data Identifier Not Valid", intbuffer.ToString());
}
fileheader.SpectralDataIdentifier = intbuffer;
var floatbuffer = reader.ReadSingle();
if (fileheader.SpectralDataIdentifier == 1 && floatbuffer < 0)
{
throw new InvalidTM25Exception("Single Wavelength Not Valid", floatbuffer.ToString());
}
fileheader.MinimumWavelength = reader.ReadSingle();
fileheader.MaximumWavelength = reader.ReadSingle();
intbuffer = reader.ReadInt32();
if ((fileheader.SpectralDataIdentifier == 3 || fileheader.SpectralDataIdentifier == 4) && intbuffer < 1)
{
throw new InvalidTM25Exception("Number of Spectral Tables Not Valid", intbuffer.ToString());
}
fileheader.NumberOfSpectralTables = intbuffer;
intbuffer = reader.ReadInt32();
if (intbuffer < 0)
{
throw new InvalidTM25Exception("Number of Additional Ray Data Items Not Valid", intbuffer.ToString());
}
intbuffer = reader.ReadInt32();
if (intbuffer % 32 != 0 || intbuffer < 0)
{
throw new InvalidTM25Exception("Size of Additional Text Block Not Valid", intbuffer.ToString());
}
reader.ReadBytes(168);
}
