Legal

License

The pfdf package uses the GPLv3 license. The full text is available here: pfdf license.

Disclaimers

Official releases of pfdf fall under the release disclaimer. All other content, including but not limited to active development, falls under the development disclaimer.

Release Disclaimer

This software has been approved for release by the U.S. Geological Survey
(USGS). Although the software has been subjected to rigorous review, the USGS
reserves the right to update the software as needed pursuant to further analysis
and review. No warranty, expressed or implied, is made by the USGS or the U.S.
Government as to the functionality of the software and related material nor
shall the fact of release constitute any such warranty. Furthermore, the
software is released on condition that neither the USGS nor the U.S. Government
shall be held liable for any damages resulting from its authorized or
unauthorized use. Any use of trade, firm, or product names is for descriptive
purposes only and does not imply endorsement by the U.S. Government.

Development Disclaimer

This software is preliminary or provisional and is subject to revision. It is
being provided to meet the need for timely best science. The software has not
received final approval by the U.S. Geological Survey (USGS). No warranty,
expressed or implied, is made by the USGS or the U.S. Government as to the
functionality of the software and related material nor shall the fact of release
constitute any such warranty. The software is provided on the condition that
neither the USGS nor the U.S. Government shall be held liable for any damages
resulting from the authorized or unauthorized use of the software. Any use of
trade, firm, or product names is for descriptive purposes only and does not
imply endorsement by the U.S. Government.