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Enhancements to this SPA include:
The Visible Infrared Imaging Radiometer Suite (VIIRS) 375m Active Fire Science Processing Algorithm (VFIRE375_SPA) primarily uses brightness temperatures derived from bands I04 and I05 to detect fires. The algorithm takes as input NASA-format VIIRS I-band Level-1B (L1B) NetCDF files, along with the associated VIIRS I-band geolocation NetCDF file, and identifies active fires. Additionally, the algorithm also takes as input VIIRS M-band L1B and dual-gain intermediate L1B NetCDF files, for land/water mask purposes and in order to process nighttime data located over the South Atlantic Anomaly. The outputs are a two-dimensional fire mask in Hierarchical Data Format (HDF) and a fire location text file. The SPA functions in two modes: standalone, or as an IPOPP plug-in (IPOPP v2.6 or later required).
This SPA can be installed dynamically into an IPOPP framework to automate production of VFIRE375 data products. The SPA installation process will install SPA service(s) into IPOPP. An SPA service is an IPOPP agent that provides the mechanism necessary for running an SPA automatically within the IPOPP framework. Once this SPA is installed, users must enable the service(s) corresponding to the SPA. Instructions for installing an SPA and enabling its services are contained in the IPOPP User’s Guide (available on the DRL Web Portal). The SPA services for this SPA are listed in Appendix A of the User's Guide (PDF) included with this software package.
Installing as a Standalone Application:
Download the VFIRE375_3.0.0_SPA_1.9.tar.gz and VFIRE375_3.0.0_SPA_1.9_testdata.tar.gz (optional) files into the same directory.
Decompress and un-archive the VFIRE375_3.0.0_SPA_1.9.tar.gz and VFIRE375_3.0.0_SPA_1.9_testdata.tar.gz (optional) files:
$ tar -xzf VFIRE375_3.0.0_SPA_1.9.tar.gz
$ tar -xzf VFIRE375_3.0.0_SPA_1.9_testdata.tar.gz
See the User's Guide (PDF) included with the software package for more details.
Installing into an IPOPP Framework:
In order to run the package using your own input data, you can either use the run scripts within the wrapper subdirectories, or modify the test scripts within the testscripts subdirectory. See the User's Guide (PDF) included with the software package for more details.