Land Intelligence — zoning & CRE analysis in the browser

# TypeScript / browser library
npm install maplibre-arcgis maplibre-gl

# YAML-driven Python CLI
cd cli && pip install -e .

# Scaffold, validate, build and serve a map application
maplibre-arcgis init
maplibre-arcgis validate map.yaml
maplibre-arcgis build    map.yaml
maplibre-arcgis serve    map.yaml

# Convert an existing ArcGIS WebMap into YAML
maplibre-arcgis convert webmap ITEM_ID

import {
  RegridParcelControl,
  ATTOMListingsControl,
  ATTOMClient,
} from 'maplibre-arcgis';

// Nationwide parcel boundaries with click-to-identify
map.addControl(new RegridParcelControl({ auth }), 'top-left');

// Area search — radius, ZIP or drawn polygon
map.addControl(new ATTOMListingsControl({
  apiKey: 'YOUR_ATTOM_API_KEY',
  defaultMode: 'radius',
  defaultRadiusMiles: 2,
  allowedPropertyClasses: ['COMMERCIAL', 'INDUSTRIAL', 'AGRICULTURAL'],
}), 'top-left');

// Headless — same data, no UI
const client  = new ATTOMClient({ apiKey: 'YOUR_ATTOM_API_KEY' });
const detail  = await client.getDetail({ address1: '123 Main St', address2: 'Miami, FL 33130' });
const avm     = await client.getAVM({ address1: '123 Main St', address2: 'Miami, FL 33130' });
const history = await client.getSalesHistory({ address1: '123 Main St', address2: 'Miami, FL 33130' });

import { DuckDBGISLoader, DuckDBGeoprocessor } from 'maplibre-arcgis';

const loader = await DuckDBGISLoader.create();
const gp     = new DuckDBGeoprocessor(loader);

// Shapefile, GeoParquet, FlatGeoBuf, GeoPackage, KML, CSV…
await loader.loadUrl('https://example.com/parcels.fgb');

// Everything below runs in the browser — no upload, no server
const buffered  = await gp.buffer({ tableName: 'sites', distance: 500, units: 'meters' });
const joined    = await gp.spatialJoin({ leftTable: 'sites', rightTable: 'zones', predicate: 'ST_Intersects' });
const dissolved = await gp.dissolve({ tableName: 'parcels', dissolveKey: 'ZoningCode' });

// Or drop straight to SQL
const rows = await loader.query('SELECT ZoningCode, count(*) FROM parcels GROUP BY 1');

import { GeoEnrichmentClient, GEOENRICH_DATA_COLLECTIONS } from 'maplibre-arcgis';

const client = new GeoEnrichmentClient({
  proxyUrl: '/api/geoenrich', // keeps the API key server-side
});

// 5-mile ring around a site
const result = await client.enrich({
  studyAreas: [{ geometry: { x: -80.19, y: 25.76 } }],
  studyAreasOptions: { areaType: 'RingBuffer', bufferRadii: [5], bufferUnits: 'Miles' },
  dataCollections: [
    GEOENRICH_DATA_COLLECTIONS.KEY_US_FACTS,
    GEOENRICH_DATA_COLLECTIONS.INCOME,
  ],
});

// Branded due-diligence report as a PDF blob
const blob = await client.createReport({
  studyAreas: [{ geometry: { x: -80.19, y: 25.76 } }],
  reportTemplate: 'community_profile',
  format: 'pdf',
  reportFields: { title: 'Site Report', subtitle: 'Prepared by TMG' },
});