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{
"cells": [
{
"cell_type": "code",
"execution_count": 4,
"id": "f7e6298c-d886-432a-a1b7-c3fee914c24f",
"metadata": {},
"outputs": [],
"source": [
"# boilerplate setup\n",
"import leafmap.maplibregl as leafmap\n",
"import ibis\n",
"from ibis import _\n",
"\n",
"conn = ibis.duckdb.connect(\"tmp\")\n",
"ca_parquet = \"https://data.source.coop/cboettig/ca30x30/ca_areas.parquet\"\n",
"# or use local copy:\n",
"ca_parquet = \"/home/rstudio/source.coop/cboettig/ca30x30/ca_areas.parquet\"\n"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "a0cb34b1-8d70-49bf-80c6-244ecc8ddf84",
"metadata": {},
"outputs": [],
"source": [
"buffer = -0.00003 \n",
"\n",
"tbl = (\n",
" conn.read_parquet(\"https://data.source.coop/cboettig/ca30x30/ca_areas.parquet\")\n",
" .cast({\"SHAPE\": \"geometry\"})\n",
" .rename(geom = \"SHAPE\")\n",
" # .filter(_.UNIT_NAME == \"Angeles National Forest\")\n",
" .filter(_.reGAP < 3) \n",
")\n",
"tbl_2023 = tbl.filter(_.Release_Year == 2023).mutate(geom=_.geom.buffer(buffer))\n",
"tbl_2024 = tbl.filter(_.Release_Year == 2024)\n",
"intersects = tbl_2024.anti_join(tbl_2023, _.geom.intersects(tbl_2023.geom))\n",
"\n",
"new2024 = intersects.select(\"OBJECTID\").mutate(established = 2024)"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "275c171a-f82f-4ee8-991c-1e34eb83a33d",
"metadata": {},
"outputs": [
{
"data": {
"application/vnd.jupyter.widget-view+json": {
"model_id": "998c2484ba604297ad438ed5c17dc59d",
"version_major": 2,
"version_minor": 0
},
"text/plain": [
"FloatProgress(value=0.0, layout=Layout(width='auto'), style=ProgressStyle(bar_color='black'))"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"ca = (conn\n",
" .read_parquet(ca_parquet)\n",
" .cast({\"SHAPE\": \"geometry\"})\n",
" .mutate(area = _.SHAPE.area())\n",
" .filter(_.Release_Year == 2024)\n",
" .filter(_.reGAP < 3)\n",
" .left_join(new2024, \"OBJECTID\")\n",
" .mutate(established=_.established.fill_null(2023))\n",
" .mutate(geom = _.SHAPE.convert(\"epsg:3310\",\"epsg:4326\"))\n",
" .rename(name = \"UNIT_NAME\", access_type = \"ACCESS_TYP\", manager = \"MNG_AGNCY\",\n",
" manager_type = \"MNG_AG_LEV\", id = \"OBJECTID\", type = \"TYPE\")\n",
" .select(_.established, _.reGAP, _.name, _.access_type, _.manager, _.manager_type,\n",
" _.Easement, _.Acres, _.id, _.type, _.geom)\n",
" )\n",
"ca.to_parquet(\"ca2024.parquet\")"
]
},
{
"cell_type": "markdown",
"id": "ebbb2650-4442-4e54-8467-5e681d6fab9e",
"metadata": {},
"source": [
"Using difference (overlap) instead:"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "6f3df8c1-a603-4dd5-be84-8deaae928d0a",
"metadata": {},
"outputs": [],
"source": [
"# compute some summary tables:\n",
"\n",
"(ca\n",
" .filter(_.established == 2024)\n",
" .filter(_.manager_type == manager_type)\n",
" .group_by(_.manager, _.manager_type)\n",
" .agg(area = _.Acres.sum())\n",
" .order_by(_.area.desc())\n",
" .execute()\n",
")"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "c62854f6-1456-4207-8c69-53af17970102",
"metadata": {},
"outputs": [],
"source": [
"gdf = ca.filter(_.manager == \"United States National Park Service\", _.established== 2024).execute()\n",
"established = {'property': 'established',\n",
" 'type': 'categorical',\n",
" 'stops': [\n",
" [2023, \"#26542C80\"], \n",
" [2024, \"#F3AB3D80\"]]\n",
" }\n",
"paint = {\"fill-color\": established}\n",
"\n",
"m = leafmap.Map(style=\"positron\")\n",
"m.add_gdf(gdf,layer_type=\"fill\", name = \"CA 30x30\", paint = paint)\n",
"m.add_layer_control()\n",
"m"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.11.10"
}
},
"nbformat": 4,
"nbformat_minor": 5
}
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