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Quaestor employs an internal database selection mechanism that can be defined through an |OPTION| script. In the following we will briefly explain its principles. In order to enable the selection of a hullform, the following |OPTION| script is included in the data slot of the parameter ComponentFile$parameter ComponentFile$:

Note: The text after ' is comment please do not use it in the knowledge base.

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The optional @INITIFNOFILE attribute… 
In the event that a knowledge base in which the above mechanism with binary data is applied, is copied and a solution is restarted using data already selected in the above described manner, some required files may not be present at the moment of executing a particular script. This may lead to some confusion that can be avoided by adding the @INITIFNOFILE attribute to parameters representing binary objects (such as the above example ComponentFile$example ComponentFile$). On restarting a solution using an Input object, parameters with the @INITIFNOFILE attribute will be checked on the availability of the file (of which the name is contained in the parameter) on the current project directory. If not available, the value is intialised and the selection dialog is re-invoked. After selection, the file is exported again.

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