Vector Ledger

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Ledger Setup

Choose a sandbox, upload a shapefile zip, and convert it to versioned GeoParquet.

Sandbox

Create a workspace or select the sandbox you want to work in.

Active sandbox

Upload shapefile

Zip a .shp + sidecars (.shx, .dbf, .prj). Free max 25 MB. Converts to versioned GeoParquet in the lake.

Ledger Editor

Select or draw polygons, edit attributes & geometry, switch to aerial imagery, then submit proposals.

Pending add

Pending edit

Pending delete

Edit Feature Details

Click a polygon to edit it, or choose Draw polygon to add one. Submitted changes appear in amber/red on the map until approved.

Export Data

Use what Setup created — versioned GeoParquet downloads plus PMTiles and TileJSON for the web.

Publish & share

Mint a public token so others can consume your layer. Share links stay valid until Unpublish. Direct S3 file links last ~1 hour — prefer Download / Ledger URLs.

Ledger share links: stable until Unpublish · Direct S3 file links: ~1 hour · Prefer Download / Ledger URLs

layer.parquet GeoParquet · desktop GIS / analytics · QGIS, ArcGIS Pro, DuckDB

layer.pmtiles PMTiles · tiled archive for web maps & QGIS

tilejson.json TileJSON · MapLibre / web map metadata

public token Opaque key in every public URL · revoked on Unpublish

Web map preview

Live MapLibre preview on the left · embeddable code on the right using pmtiles:// + your public PMTiles URL.

Live MapLibre code

Ledger Setup

Sandbox

Upload shapefile

Ledger Editor

Pending Approvals

Invite teammate

Members

Export Data

Publish & share

Web map preview