Miami-Dade County Open Data Hub (2021). Urban Growth Boundary [gis dataset]. Miami-Dade County. https://gis-mdc.opendata.arcgis.com/datasets/MDC::pmt-basicfeatures-feat-service-1/explore?layer=3&location=25.551298%2C-80.457013%2C8.62. last updated: 2026-02-04 (update frequency: As Needed). A polygon feature class of the urban growth boundary in Miami-Dade County Key words: Florida, Miami-Dade County, Public Transit Open Geospatial Consortium Standards: dynamic vector tiles | | WMS (coming soon) | WFS (coming soon) ETL documentation

ETL for mdc_urban_growth_boundary

######### # GDSC ETL is performed in two steps: shell script to ETL data into postgres # and then additional transformations with SQL in postGIS (if needed). #### ######### # Step 1 - bash script (pseudo code) #### # create directory structure and move into it mkdir -p /data/mdc_urban_growth_boundary/{download,etl} && cd /data/mdc_urban_growth_boundary # set update flag based on last update and update frequency do_update=0 if date() < last_update + update_frequency else do_update = 1 # download if update flag is set: if do_update == 1 then ogr2ogr -nln mdc_urban_growth_boundary download/mdc_urban_growth_boundary.json 'https://services.arcgis.com/8Pc9XBTAsYuxx9Ny/arcgis/rest/services/PMT_BasicFeatures_hostedFeatureService/FeatureServer/3/query?outFields=*&where=1%3D1&f=geojson' # load into postGIS with: ogr2ogr -lco GEOMETRY_NAME=geom -f PostgreSQL PG:"" download/mdc_urban_growth_boundary.json -nlt multipolygon -nln mdc_urban_growth_boundary ######### # Step 2 - SQL script (pseudo code): #### # remove duplicate points and make geometries valid: UPDATE mdc_urban_growth_boundary SET geom=ST_MakeValid(ST_RemoveRepeatedPoints(geom)); # add local geometry column and reproject existing geometries into local EPSG: SELECT AddGeometryColumn ( 'mdc_urban_growth_boundary', 'geom_local', 2236, 'multipolygon', 2 ); UPDATE mdc_urban_growth_boundary SET geom_local=ST_MakeValid(ST_RemoveRepeatedPoints(ST_Transform(ST_Multi(geom),2236))); CREATE INDEX mdc_urban_growth_boundary_geom_local_idx ON mdc_urban_growth_boundary USING GIST (geom_local); NOTIFY pgrst, 'reload schema';