randy
fba8ca10a2
5th Overlays item, generated client-side from the same online Terrarium DEM tiles Terrain shading already fetches (no offline fallback — the plugin's DemSource has no public hook to route through the pmtiles:// protocol the offline basemap uses, so this quietly renders nothing without a network, same as Radar/the Wikipedia layer). A plain vector source/layer under MapLibre's own tile lifecycle, no manual refetch-on-move code needed. Thresholds are the plugin's own generic starting point, not yet tuned against real terrain. Labels skipped for now (font-name matching across the online/offline styles' own glyph sets adds real risk for a nice-to-have, not the actual ask).
88 lines
2.9 KiB
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88 lines
2.9 KiB
Plaintext
= Third-party notices
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:toc:
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:toclevels: 1
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Frontend libraries vendored under `public/vendor/` instead of loaded
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from a CDN, so the app keeps working with no internet access. All are
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BSD-3-Clause licensed.
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[cols="1,1,2"]
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|===
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| Library | Version | Source
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| MapLibre GL JS
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| 6.6.0
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| https://github.com/maplibre/maplibre-gl-js
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| pmtiles (pmtiles.js)
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| 4.5.0
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| https://github.com/protomaps/PMTiles
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| protomaps-themes-base
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| 4.5.0
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| https://github.com/protomaps/basemaps
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| maplibre-contour (Overlays panel's "Contour lines", `public/js/contour.js`)
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| 0.1.0
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| https://github.com/onthegomap/maplibre-contour
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|===
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Also vendored under `public/vendor/`, but not BSD-3-Clause like the
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above — MIT-licensed per its own `package.json` (the monorepo's
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top-level `LICENSE.md` separately places the whole repo in the public
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domain as a work of the US government; either way, no attribution is
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required):
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[cols="1,1,2"]
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|===
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| Library | Version | Source
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| NPS Home Button (`home-button`)
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| 0.0.1-d
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| https://github.com/nationalparkservice/npmap5-plugins/tree/main/home-button
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| NPS Overview Map (`maplibre-gl-overview`)
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| 5.0.1
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| https://github.com/nationalparkservice/npmap5-plugins/tree/maplibre-gl-overview
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|===
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The overview map is vendored from an unmerged branch, not `main` (see
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`docs/nps-resources.adoc`), and converted from its UMD dist build to a
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plain ES module — no functional change except the module wrapper. It
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was also patched for a MapLibre API break: it reads `map.transform`
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(public in the MapLibre ~2.4 this plugin targets) to relax the
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overview's polar pan limit, but MapLibre 6's `Map` no longer exposes
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`.transform` at all — guarded to skip that (cosmetic) adjustment
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instead of throwing when it's absent.
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Offline map text labels need font glyphs too (see
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`docs/architecture.adoc`), vendored under `public/vendor/fonts/` —
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SIL Open Font License, not BSD-3-Clause like the above:
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[cols="1,2"]
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|===
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| Asset | Source
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| Noto Sans Regular/Italic/Medium glyph PBFs (ranges `0-255`,
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`256-511` only)
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| https://github.com/protomaps/basemaps-assets[protomaps/basemaps-assets]
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(`fonts/`, `OFL.txt` included alongside)
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| National Park (Bold weight only, `.woff2`), topbar wordmark
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(`.topbar__brand`, `public/css/style.css`) — see
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`docs/nps-resources.adoc`
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| https://nationalparktypeface.com[nationalparktypeface.com] (Ben
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Hoepner, Andrea Herstowski, Jeremy Shellhorn / DO Studio) — "published
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for free use under the SIL Open Font License" per the site; no
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`OFL.txt` ships in its own download zips, unlike Noto Sans above
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|===
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The online map style (not vendored, fetched at runtime when the
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"Online" layer is selected) is
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https://tiles.openfreemap.org/styles/liberty[OpenFreeMap "liberty"],
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built from https://www.openstreetmap.org[OpenStreetMap] data.
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To update a vendored library: download its package (e.g.
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`npm pack <name>@<version>`), replace the corresponding files under
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`public/vendor/<name>/`, and update the version in this file.
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