Canonical code catalog / 20 maintained entries
Small, reproducible examples across Honua Server and the JavaScript SDK. Run a verified browser build when one exists, then inspect the source and evidence.
Recommended starts
Each path produces a concrete result before it introduces the wider platform.
Full catalog
Showing all 20 samples.
Example contract
Focused, runnable code that teaches one API or protocol concept.
12Starts with a Maui County feature layer on an interactive map (the governed 2025 Census tract fixture, or the anonymous live Maui parcels layer when built against a live endpoint), then reveals the endpoint, accepted query plan, provenance, and protocol diagnostics behind it.
Turns a reviewed address result into a synchronized MapLibre pin with score, locator, and provenance in view.
Renders named-band OGC API Coverages and WCS subsets through one MapLibre image handoff.
Searches STAC, renders a bounded direct COG window in MapLibre, compares published imagery, and samples terrain elevation profiles.
One HTML file reads OGC API Features items, colours them in MapLibre GL JS with a data-driven match expression on a category field, and builds the legend and popup from the same values.
One HTML file loads a GeoServices FeatureServer layer as GeoJSON, adds it to MapLibre GL JS as a GeoJSON source, fits the map to it and opens a popup on click.
One HTML file reads a collection's OGC API Tiles tileset metadata and draws its Mapbox Vector Tiles in MapLibre GL JS, extruded by building height.
Loads a static PMTiles archive without a Honua server.
One bounded feature query, shown server-first and then through equivalent JavaScript, Python, and .NET calls against the same FeatureServer fixture.
One HTML file uses unmodified Leaflet and esri-leaflet to draw a filtered Honua FeatureServer layer with popups -- the same code an ArcGIS FeatureServer needs, with no Honua-specific code.
Animates a month of seeded synthetic seismic events with createTemporalPlayback, styled by a first-class classBreaksRenderer whose legend derives from renderer.legendItems().
Executes an exact Honua Server Arrow fixture through bounded pushdown, decoding, cancellation, evidence, and a deterministic MapLibre handoff.
Walkthrough contract
Task-oriented sequences that explain the decisions between each working step.
5terra-draw draw modes drive the edit-sketch workflow: undo/redo, snapping, and applyEdits submission.
A bounded OGC API Processes lifecycle with one raw server contract and truthful language-specific lifecycle differences.
A preview-only maturity review for multidimensional formats. It is deliberately non-runnable and non-GA: server source evidence exists, but no JavaScript adapter or public end-to-end canary closes the path.
Searches Maui imagery by bounds and time, renders a selected preview, and inspects a signed PMTiles v3 handoff.
Plans and executes bounded Overture GeoParquet queries with truthful worker, range, memory, and pruning evidence.
Project contract
Production-shaped applications where the complete GitHub repository is the primary artifact.
3Turns a service URL into inspected protocol truth, accepted plans, a bounded query, and copyable map code.
Runs live-first incident command with observable reconciliation and a guarded, resettable edit lab.
A production-shaped project blueprint grounded in Honua's AWS Batch custom-code contract; Studio authoring and SDK submission remain explicit product gaps.