Deltares maintains a number of XML schema files that describe the layout of the files that together form the Delf-Fews published interface (see E Fileformats). To validate if XML files adhere to the interface, the schema files can be used in combination with one of available schema validators. The w3 consortium maintains a list at:
The example files in this document have been validated using the jedit XML mode (available freely at and by using XMLSPY, but many other (free and commercial) alternatives are available.
The ASCII and binary grid files should be prepared according to the specifications given in Appendix B.

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