Shad-o-Scan 3001/4501 User Manual (Draft)
43
Teledyne DALSA
File Format
The file format of the dark (or gain) maps is as follows: a header indicates the
specification of the map, and will be followed by a data block with the dark (or gain)
information per pixel. The 32 bytes header format is described below:
Field
Description
Endian
Bytes
Header Version
1
Version number 1
File Type
1 Dark map
1
2 Gain map
1
Serial Number
Serial Number of Detector
16
CRC
CRC16 of total data file without the header
Little
2
Width
Number of columns (of full resolution image) Big
2
Height
Number of rows (of full resolution image)
Big
2
Image Format
0 Full Resolution
1
1 Binning 2x2
1
Full Well
0 High Full Well
1
2 Low Full Well
1
Data Format
2 2 bytes per pixel
1
Unity Gain Factor 0 for Dark map (20 = 1)
1
12 for Gain map (212 = 4096)
1
Extra1
Reserved
Big
2
Extra2
Reserved
Big
2
Example of Gain map header (hex format: