The Algorithm Librarian in Focus is where all of the commands and tools essential to manipulating your data sets are located. The Algorithm Library is crucial to the Geomatica suite and contains predefined and user-defined programs that are organized in a tree structure. You can expand a category in the tree the way you would any other Windows application by clicking on the + next to a folder. When you expand a category or a sub-category, the items inside each folder are arranged in alphabetical order. Some folders contain sub-folders and some contain only a list of algorithms. Some algorithms may not be available with the Geomatica license you have purchased. Files in the Algorithm Library that have a lock icon to the left of the algorithm name are not available. Contact PCI Geomatics for more information on your license package and for advice on the best Geomatica license for your needs. The Algorithm Librarian dialog box allows you to search the algorithm directory tree. You can als