GeoNDC PROPRIETARY SOFTWARE LICENSE NOTICE

Copyright (c) 2024-2026 Jianbo Qi. All rights reserved.

This notice applies to the GeoNDC software distributed in binary form,
including the pygndc Python package and its native components (the
"Software"). The published GeoNDC file-format specification and associated
public documentation are governed by the separate notice distributed with
the public documentation repository.

1. Decoder use

Subject to compliance with this notice, you may install and use an unmodified
binary copy of the decoder functionality to open, query, reconstruct, and
analyze data stored in the GeoNDC format. No encoder license is required for
these decoder operations.

2. Encoder use

Creating, training, optimizing, or exporting GeoNDC encoded data requires a
valid encoder license issued by Jianbo Qi or an authorized GeoNDC licensor.
Possession of the Software, access to decoder functionality, or access to the
published file-format specification does not grant an encoder license.

3. Restrictions

Except where expressly authorized in a separate written agreement, you may
not copy, modify, adapt, translate, distribute, sublicense, sell, rent, lease,
provide hosted access to, or create derivative works of the Software. You may
not reverse engineer, decompile, disassemble, extract source code from, or
circumvent license controls in the Software, except to the limited extent
that such a restriction is prohibited by applicable law.

4. Format interoperability

This notice does not prohibit an independent implementation based solely on
the separately published GeoNDC file-format specification. No right to use
the GeoNDC name, logo, trademarks, certification marks, or endorsement is
granted for such an implementation.

5. Third-party software

Third-party components remain governed by their respective licenses and
notices. Those third-party terms apply only to the corresponding components
and do not place the GeoNDC Software as a whole under an open-source license.

6. Disclaimer

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT. TO THE MAXIMUM EXTENT
PERMITTED BY LAW, THE COPYRIGHT HOLDER SHALL NOT BE LIABLE FOR ANY CLAIM,
DAMAGES, OR OTHER LIABILITY ARISING FROM THE SOFTWARE OR ITS USE.

7. Prior releases

This notice applies prospectively to distributions that include it. Software
copies previously distributed under another license remain governed by the
license included with those copies.

For evaluation, commercial encoder, redistribution, OEM, or hosted-service
licensing, contact: jianboqi@126.com
