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XML Schemas are used to describe the contents of XML documents. An XML schema (see http://www.w3.org/XML/Schema for more information) is available for each file type. The exception in the interface published here being gridded data that is stored in separate (binary or ASCII) files and (optionally) ASCII based time series that can be used by the general model adapter.
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For an overview of the steps needed to develop an Delft-Fews compliant adapter for a model please take please look at Developing a FEWS (Compliant) Adapter and F Module Adapter Application