Declaration: LoadIGTIFHeader (FName: string; var SizeX, SizeY, NLayers, NTSlots: integer; var Author, SampleID, Description: string): integer;
The function LoadIGTIFHeader reade the header information of the IGTIF file specified by FName and returns the following information as variable parameters:

SizeX, SizeY spatial size in pixels
NLayers number of layers
NTSlots number of time slots
Author name of the author
SampleID sample ID
Description description of the dataset

The function returns the following error codes:

 0 ... everything is OK
-1 ... file does not exist or is locked
-2 ... the specified file is not an IGTIF file