Proof of concept.This is an unofficial demo built by Datopian from the City of Newton's public data. The official portal is newton-open-geo-data-newtonmagis.hub.arcgis.com. Questions or feedback: hello@datopian.com

A PortalJS proof of concept · data from the City of Newton's ArcGIS Hub
Current portal

Open Space

Conservation and recreation lands in the City of Newton

Records
412
Formats
5
Last updated
Jul 1, 2013
Download CSVView on ArcGIS Hub

Download & API

Open Space (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
Open Space (GeoJSON)geojson
GeoJSON — for web maps and GIS tools
Download
Open Space (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
Open Space (map tiles)pmtiles
Vector tiles — embed in a map
Download
Live ArcGIS layer (source)arcgis
Download

Rendered from PMTiles, queried in-browser from GeoParquet — no server. How this works

Schema

FieldTypeValues
SBL_IDstring
Namestring
Owner1string
Owner_Typestring6 values: M (286), S (59), N (34)…
OS_Typestring11 values: MEDIAN (103), PARKS (87), AQUEDUCT (44)…
Primary_Purposestring6 values: R (135), H (99), W (44)…
Pub_Accessstring4 values: Y (299), L (31), X (27)…
Lev_Protstring4 values: L (181), N (181), P (13)…
Deedstring
PlanIDstring
PlanID_Oldinteger0 to 248
URLstring
Imagestring