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Free and open source viewer/browser for conceptual schemas ToscanaJ is a pure viewer/browser for conceptual schemas and optimized for a non-technical audience. ToscanaJ comes with additional tools for creating the data displayed and to offer additional and more technical analysis capabilities. The four main tools are:ToscanaJ: The viewer/browser componentElba: An editor for conceptual schemas on relational databases. Database-aware and offering extra tools like exporting SQL scripts. Siena: In many ways similar to Elba (mostly thanks to shared code), Siena edits conceptual schemas that store their data in memory. Lucca: An experimental editor that is supposed to make use out of implication analysis of SQL clauses to allow very explorative and intuitive creation of database-connected systems. NOTE: ToscanaJ is licensed and distributed under the terms of the BSD License. Requirements: · Java What's New in This Release: · Label scrollbars are now inside the normal label bounds instead of extending to the right. · if a node collides with a line it is not connected to, it will be shown red instead of its normal color. · Elba and Siena have now an executable Jar file to start them. This allows starting them without scripts if the graphical user interface allows starting Java files. · the preferences for the diagram have new options to set the width of the normal (i.e. not highlighted) lines and for the width of the stroke of the nodes · Bugfix: when editing a context in a way that an attribute which was connected to the top is not anymore, a NullPointerException was raised -this is fixed now · Bugfix: displaying the n-dimensional vectors for debugging purposes works again · some undo support: movements in the diagram editor can be undone/redone as long as the diagram is visible · context menu on diagram list for editors: Siena and Elba both offer the option to duplicate or remove diagrams using a context menu on the list of diagrams · new manipulators: the attribute-additive manipulator now should minimize movement while maintaining attribute-additivity, the new chain-based one tries also to respect all chains in the diagram · the context editor now has a menu button which contains entries to export the context into Burmeister (CXT) and Object-Attribute List (OAL) format, plus the consistency check if possible (i.e. the feature is not visible anymore in Siena) · Specific for ToscanaJ: the distribution shown in a nested view is now based on the whole diagram, not just the local diagram. For example: if a node of the inner diagram has 100% of the objects of that inner diagram, the old verison would have displayed "100%", the fixed version will display whatever percentage of objects the outer node has in relation to the full object set · Specific for Elba: Bugfix: SQL object labels do not write beyond the bounds anymore. · SQL scripts, Access and Excel files are now set as relative paths were possible · Specific for Siena (still not fully complete): nested diagrams can now be created using the context menu on the diagram list · transition arrows now have more sensible lengths · better placement of state markers for temporal animations · moving transition arrows is now restricted to the central part of an arrow, dragging either end (1/4 of the length) results in moving only the corresponding tip. This way the length and angle can be adjusted if required. · OAL import now gives line number on error · DataDump class can now be used to create images for each diagram from the command line

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