1 VCL: The C Compatibility Layer.
2 VBL: Basic Templates: Many of these Things SHOULD HAVE BEEN IN The STL.
3 VUL: Utilities.
THIS Contains a Number of Generally Useful C Classes and Functions, Notably File and Directory Handling, Command-Line Argument Parser, String Utilities, A Timer, ETC.
4 VNL: Numeric Algorithms.
The main classes in VNL Are The Matrix and Vector Classes
5 vil: imaging
6 VGL: Geometry
Getting Started with Running XCV
% xcv basement00.tif