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Kohei Otsuka edited this page Jul 23, 2026 · 1 revision

FAQ

Frequently asked questions about Maplat.

Table of Contents


Can I use Maplat commercially?

Yes. Maplat is licensed under Apache License 2.0, which permits commercial use, modification, and redistribution. The patent grant (Patent No. 6684776) is included. See the README License section for details.

Where can I get MaplatEditor?

MaplatEditor is a desktop application (data creation tool). It is not published to npm (private: true in its package.json), but you can obtain binaries from the GitHub Releases page.

What license were past versions under?

Versions before 0.12.2 were published under the "Maplat Limited License 1.1" (a restricted license). Starting from 0.12.2, Maplat has reverted to Apache License 2.0. Note that npmjs.com still shows the restricted license notation for past versions — this is an npm display limitation, not a current licensing issue. See known-discrepancies for details.

Can I embed historical maps in my own app?

Yes. You can use Maplat via CDN or npm (@maplat/ui), and place map data created with MaplatEditor into your application. See Tutorials and the README Quick Start section for details.

The Hiroshima demo returns 404

The demo at s.maplat.jp/r/hiroshimamap/ is a known issue (known-discrepancies E.1). It is scheduled to be fixed before the FOSS4G 2026 conference period. During the conference, the latest demo will be available at the Code for History booth.


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See Also

Maplat

Language / 言語

Pages / ページ

English

日本語

External / 外部

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