From a4bf29cda3bf6eb21300018964e140824e231d4d Mon Sep 17 00:00:00 2001
From: Stefan Baebler <stefan.baebler@gmail.com>
Date: Sat, 26 Mar 2022 21:27:38 +0100
Subject: [PATCH] Split overlapping units from some layers

---
 Makefile |  6 +++++-
 split.sh | 31 +++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 split.sh

diff --git a/Makefile b/Makefile
index 2e28343..dcc18f5 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ TMP = $(DATAFOLDER)temp/
 TS = $$(cat $(TMP)timestamp.txt)
 TSYYYY = $$(cat $(TMP)timestamp.txt | cut -b 1-4)
 
-all: download geojson
+all: download geojson split
 
 .PHONY: download
 download:
@@ -31,6 +31,10 @@ geojson:
 		echo `wc -l data/$${BASENAME}.csv`; \
 	done
 
+.PHONY: split
+split:
+	./split.sh $(TMP)
+
 .PHONY: clean
 clean:
 	rm -r $(TMP)
diff --git a/split.sh b/split.sh
new file mode 100644
index 0000000..3fb5ad3
--- /dev/null
+++ b/split.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+export OGR_WKT_PRECISION=9
+TMP="${1}"
+
+function split() {
+	shp="$1"
+	enota="$2"
+	descriptionCollection="$3"
+	# descriptionSingle="$4"
+
+	shpFile=$(find "${TMP}" -name "$shp.shp")
+	DIRNAME=$(dirname "$shpFile")
+	BASENAME=$(basename "$shpFile" .shp)
+	echo "Extracting ${enota} from ${shp}..."
+	mkdir -p "data/${shp}"
+	SHAPE_ENCODING=CP1250 ogr2ogr -t_srs "EPSG:4326" -f "CSV" "data/${shp}/${BASENAME}_${enota}.csv" "${DIRNAME}" -sql "SELECT * FROM ${BASENAME} WHERE ENOTA='${enota}' ORDER BY ${BASENAME}_MID" -dialect sqlite -lco WRITE_BOM=YES -lco STRING_QUOTING=IF_NEEDED
+
+	SHAPE_ENCODING=CP1250 ogr2ogr -t_srs "EPSG:4326" -f "GeoJSON" "data/${shp}/${BASENAME}_${enota}.geojson" "${DIRNAME}" -sql "SELECT * FROM ${BASENAME} WHERE ENOTA='${enota}' ORDER BY ${BASENAME}_MID" -dialect sqlite -lco RFC7946=YES -lco WRITE_BBOX=YES -mapFieldType Date=String -nln "${BASENAME}_${enota}" -lco DESCRIPTION="${descriptionCollection}"
+}
+
+split VDV VE "Državnozborske volilne enote"  "Državnozborska volilna enota"
+split VDV VO "Državnozborski volilni okraji" "Državnozborski volilni okraj"
+split VDV VD "Državnozborska volišča"        "Državnozborsko volišče"
+
+split VLV LE "Lokalne volilne enote" "Lokalna volilna enota"
+split VLV LV "Lokalna volišča"       "Lokalno volišče"
+
+split ODO CM "Mestne četrti"      "Mestna četrt"
+split ODO CK "Krajevne skupnosti" "Krajevna skupnost"
+split ODO CV "Vaške četrti"       "Vaška četrt"