INQUA Working Group on Data-Handling Methods

Newsletter 10: July 1993

Tilia AND Tilia·graph 2.0

A major upgrade to Tilia and Tilia·graph will be available in a few months. All present owners of versions 1.x will be notified when the upgrades are available. In addition to a variety of new features, these versions are designed to work with the North American and European Pollen Databases. Some of the new features are:

• 8-characater VarCodes rather than 2-character
• 60-character VarNames
• Multiple age and depth variables permitted
• Null data values (Permits plotting data with different depths on the same diagram.)
• Large spreadsheets can be stored in extended memory
• Forms (Allows storing of data such as site details, radiocarbon dates, lithologic descriptions, etc. A set of standard forms are provided, or you can design your own.)
• More input/output options
• More complete user manual
• Lithology symbols
• Pollen counting program PCOUNT is included
• Graphical display of age/depth graphs
• Default style for pollen diagram can be set by user