All dotXSI files must begin with a header. The file header indicates the file format and its revision number.
|
Field |
Size (bytes) |
Contents |
Description |
|
Magic number |
4 |
"xsi" |
File type |
|
Version/major number |
2 |
01 |
Major version 1 |
|
Version/minor number |
2 |
03 |
Minor version 3 |
|
Format type |
4 |
"txt" |
Text file |
|
|
|
"bin" |
Binary file |
|
Compression type |
4 |
"zip" |
Compressed file created by PKZIP |
|
Float size |
4 |
0064 |
64-bit floats |
|
|
4 |
0032 |
32-bit floats |
For example, dotXSI v5.0 files start with:
xsi 0500txt 0032
Reading left to right, this indicates:
• dotXSI file format.
• Version 5.0.
• A text file.
• 32-bit floating-point values.
Autodesk Crosswalk v5.0