The U.S. government is closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained. To learn more, visit Last modified: Mon, 04/03/2017 - 12:50
F-TDS is an OPeNDAP server that uses the analysis capabilities of Ferret as a mechanism to create and serve virtual variables built from existing netCDF data variables. F-TDS is a the basis for all of the comparison and analysis calculations in LAS.
Installation instructions for F-TDS
How to install F-TDS as part of LAS and as a stand-alone OPeNDAP server.- Installing LAS using a remote Tomcat for F-TDS
This page, with an example, shows how to install a LAS server using a remote Tomcat for F-TDS. - Using F-TDS and the server-side analysis
F-TDS allows data files which can be read and geo-referenced by Ferret to be served as OPeNDAP data sets. F-TDS allows allows the dynamic creation of new variables via requests for server-side analysis. - How F-TDS is used in LAS
All analysis from user define variables and automatic regridding needed to compare data on different grids in LAS is done by F-TDS. - Perl script to build the Ferret environment XML
The Java code for LAS and F-TDS uses an XML file to build the Ferret execution environment. This Perl code will help you create that file. - Debugging Your F-TDS and LAS Integration
If you have trouble making a product from a user defined variable, here are some ideas for how to track down and fix the problem.