Changes between Version 28 and Version 29 of Deployments/Sandy

Timestamp:

11/05/12 07:08:15 (12 years ago)

Author:

Pat Tressel

Comment:

--

Deployments/Sandy

@@ -47 +47 @@
     "boundaries of incorporated places in New York State (state, counties, cities, towns, villages, and Indian reservations)" \\
     (Note ocpyrighted.)
- * L4 (Zip codes)
+ * L4 (Zipcodes) -- polygons and parents
+  * NYS
+   * http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=934
+   * needs parenting to L3s via http://www.health.ny.gov/statistics/cancer/registry/appendix/neighborhoods.htm (done but this is only for NYC)
+  * NJ
+   * http://geocommons.com/overlays/22081
+   * Could extract hierarchy from here: http://newjersey.hometownlocator.com/zip-codes/counties.cfm
   * Important zipcode facts: http://www.maponics.com/products/gis-map-data/maps-reports/zip-code-maps/faqs/
-   * Zipcodes can cross administrative region boundaries. They don't cross state boundaries, but do cross county boundaries.
+   * Zipcodes can cross administrative region boundaries. They don't cross state boundaries, but do cross county boundaries. (For the population centers project, when we found a zipcode that spanned admin regions, we partitioned the zipcode -- made one location record for each partition. Names were qualified with the parent region.)
    * Zipcode regions are not technically polygons but rather groups of addresses.
    * Zipcodes have a prefix hierarchy.
     * http://stevemorse.org/jcal/zip.html
     * Three-digit zipcode prefixes by state: http://en.wikipedia.org/wiki/List_of_ZIP_code_prefixes
-  * NYS http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=934
-   * needs parenting to L3s via http://www.health.ny.gov/statistics/cancer/registry/appendix/neighborhoods.htm (done but this is only for NYC)
-  * NJ: http://geocommons.com/overlays/22081
  * Full hierarchy w/o shapefiles is available from http://www.zip-codes.com/zip-code-database.asp for US$40. They allow looking up data in batches here http://www.zip-codes.com/search.asp, but would need to copy & paste the table part of the page into a file (not the html, just select the rows in the rendered page). Caution: We do not want to use copyrighted or proprietary material w/o the requisite payment or attribution. Could contact them and inquire about temporary use of the information.