Point-location strategies - license scope

Copyright 2026 Pedro M. M. de Castro, original contributions.
Original demo: https://www.cin.ufpe.br/~pmmc/demos/point-location/

Software: Apache License, Version 2.0
The original 2026 software implementation owned by Pedro M. M. de Castro is
licensed under Apache-2.0. This covers original executable JavaScript, CSS
and HTML structure/markup in the following files, excluding all material
listed below. Text or data embedded in a file is not thereby software-licensed.
Full standard license: LICENSE.txt
Official license: https://www.apache.org/licenses/LICENSE-2.0
Attribution notice: NOTICE.txt

Software file coverage
- about.html
- app.js
- catalogue.js
- core.js
- glyphs.js
- hierarchy.js
- icons.js
- index.html
- load-guard.js
- notes.css
- presentation.js
- renderer.js
- style.css
- ../../licenses/demo-rights-2026.css

Original content: Creative Commons Attribution 4.0 International
Only original 2026 explanatory prose, authored captions and expressive
illustrations owned by Pedro M. M. de Castro are licensed under CC BY 4.0.
- index.html (original explanatory prose and authored captions only)
- about.html (original explanatory prose and authored captions only)
- Original interface prose/captions in the listed application modules; original authored illustrations, excluding the exceptions below
Full standard legal code: CONTENT-LICENSE.txt
Official legal code: https://creativecommons.org/licenses/by/4.0/legalcode.en
Attribution reference: Pedro M. M. de Castro, Point-location strategies, https://www.cin.ufpe.br/~pmmc/demos/point-location/

These are separate scopes, not alternative or dual licenses for the same
software. CC BY 4.0 is not offered as a software-license option. Source code,
markup, styling and executable figure/icon definitions remain in the
software scope; separately protected original expressive content is in the
content scope. The standard license texts are reproduced without changes.
No additional visible-footer, commercial-use or adaptation condition is added.

Excluded material and preserved terms
- All third-party or jointly owned material and all separately licensed components.
- Scientific papers and reproduced/adapted paper figures, including coauthored articles.
- All datasets, dataset copies and embedded records, source metadata and derived databases.
- Mathematical facts, algorithms as ideas, numerical/point data and geometric outputs
  that are not protected by copyright: these notices impose no new restrictions on them.
- Fonts, font-derived outlines, institutional marks, logos and third-party icons.
- Existing third-party license/attribution files and vendor components.
- Historic Point Location code/material: MIT delaunay.js (Castro/Devillers 2010),
  MIT pointlocation.js (INRIA, Castro/Devillers 2010), and GPL pointsetgen.js
  (Castro/Devillers 2010, version unspecified). Those grants remain unchanged.
- Prior permissions remain valid; no license condition is added by this scope note.
- catalogue-data.js and datasets/* retain their individual public-domain,
  ODbL, CC BY or other source terms; no Apache/CC relicense of these data.