tidy

.gitattributes

@@ -41,3 +41,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.gdb filter=lfs diff=lfs merge=lfs -text
 *.dbf filter=lfs diff=lfs merge=lfs -text
 *.gdb* filter=lfs diff=lfs merge=lfs -text
+*.duckdb filter=lfs diff=lfs merge=lfs -text

README.md

@@ -3,7 +3,13 @@
 > U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2022, Protected Areas Database of the United States (PAD-US) 3.0: U.S. Geological Survey data release, https://doi.org/10.5066/P9Q9LQ4B.
 
 
-The PAD database classifications are complex and include overlapping and apparently duplicate polygons. For instance, national park boundaries can be found are listed in Proclamation feature class and also in Fee class (showing internal holes within boundaries). I highly recommend users consult [ProtectedLands.net](https://www.protectedlands.net/help) for details when exploring this data.
+The PAD database classifications are complex and include overlapping and apparently duplicate polygons. For instance, national park boundaries can be found are listed in Proclamation feature class and also in Fee class (showing internal holes within boundaries). The processed PAD data layers here have been subset to the continental US (matching availability in MOBI data), and restricted to feature classes of "Fee" and "Easements", except for tribal boundaries which are taken from the "Proclamations."  See [ProtectedLands.net](https://www.protectedlands.net/pad-us-data-structure-attributes/) for a more detailed discussion of the data structure and classification involved in PAD.  Code for reproducing this processing can be found at [https://github.com/boettiger-lab/pad-us-3](https://github.com/boettiger-lab/pad-us-3)
+
+USGS PAD-v3 is distributed as an ESRI Geodatabase.  After subsetting the data and labelling according to the additional classification listed above based
+on manager type indicated in the data, core attributes are serialized into [PMTiles](https://docs.protomaps.com/pmtiles/) and [Geoparquet](https://geoparquet.org/)
+formats hosted on [source.coop](https://beta.source.coop/repositories/cboettig/pad-us-3/description/).  PMTiles allows for rapid rendering of vector objects
+at the appropriate zoom level in an interactive map from remote servers.  Geoparquet provides a high-performance serialization that can be efficiently queried directly from
+remote https addresses without download using software such as [duckdb](https://duckdb.org), widely available in python, R, and other languages.
 
 
 ## Contents Overview
@@ -11,11 +17,6 @@ The PAD database classifications are complex and include overlapping and apparen
 - `PADUS3` contains files extracted from the orginal zip archive and associated geodatabase distributed by the USGS.
 - `pad-us3-combined.parquet` contains a geoparquet version of the geodatabase protected areas layer
 - `pad-us3-combined.fgb` contains a FlatGeobuff version of the geodatabase protected areas layer
-- A collection of pmtiles objects provide all Fee (owned) and Easement (leased) area polygons in the continental US divided by the following conventions:
-  - public: Publicly managed polygons in GAP 1 & 2 (explicitly managed for conservation, e.g. most national parks)
-  - mixed: Publicly managed areas in GAP 3 & 4 (e.g. most Forest Service or BLM lands)
-  - private: Lands managed by private or NGO groups in Fee or Easement polygons. 
-  - tribal: Lands in Proclamation feature class that are indicated as managed by Tribal groups
 
 
 PMTiles are computed with GDAL 3.8.4 up to max zoom 10 as follows:

parquet/.gitattributes

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-pad-category.parquet filter=lfs diff=lfs merge=lfs -text
-pad-easement.parquet filter=lfs diff=lfs merge=lfs -text
-pad-fee.parquet filter=lfs diff=lfs merge=lfs -text
-pad-marine.parquet filter=lfs diff=lfs merge=lfs -text
-pad-public-access.parquet filter=lfs diff=lfs merge=lfs -text
-pad-agency-type.parquet filter=lfs diff=lfs merge=lfs -text
-pad-combined.parquet filter=lfs diff=lfs merge=lfs -text
-pad-desgination-type.parquet filter=lfs diff=lfs merge=lfs -text
-pad-iucn.parquet filter=lfs diff=lfs merge=lfs -text
-pad-state-name.parquet filter=lfs diff=lfs merge=lfs -text

parquet/pad-agency-name.parquet

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parquet/pad-category.parquet

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