Chizu documentation

Chizu 地図 — SVG maps for JavaScript

Draw SVG maps, frame regions, place numbered callouts and build geography quizzes with English and Japanese names.

Install

npm install @johnmorrisdotca/chizu

Start here

• Getting startedDraw one native map and keep the engine, data and browser mounting imports separate.

Entry points

Guides

How-to

• Load only the maps you needSelect the correct country, subdivision and feature resources without joining unrelated canvases.
• Frame regions and insetsFit native region codes while keeping geographic points separate from drawn inset positions.
• Shade and label a mapUse native codes, safe colours, tones and display names in a choropleth.
• Make numbered callout sheetsPlace native callout circles and keep numbering reproducible for printed worksheets.
• Build seeded geography quizzesKeep the map, target, candidate pool and random stream stable for reproducible questions.
• Draw and search physical featuresPair a feature layer with its own canvas and select water, capitals or native kinds.
• Embed maps, locators and quizzesChoose a native custom element, frame or module mount and handle events at the host.

Explanation

• How the engine and generated maps fit togetherPreserved architecture and the boundaries between data, geometry and browser drawing.
• Map and feature resource catalogueEvery fixed map and feature import, generated from the existing public resource paths.

Troubleshooting & FAQ

• Troubleshooting and FAQExplain missing resources, nullable geometry, code joins and browser cleanup.

Upgrading

• Upgrading and replacing an older map integrationRetain native geometry, resource versions and existing import/anchor contracts.

• ChangelogMade from the source of @johnmorrisdotca/chizu 1.5.0.
• Every export on one pageapi.html
• The docs for language modelsllms.txt · llms-full.txt