consolidate to one Makefile

contours/Makefile

@@ -0,0 +1,59 @@
+include config.mk
+
+OUTSIZE = $(shell awk $(addprefix -v ,$(BOUNDS)) 'BEGIN{print ymax-ymin" "xmax-xmin}' /dev/null)
+XYZ = $(patsubst %.zip,%.xyz,$(wildcard 6*.zip))
+SORT = sort -n -k2 -k1 -t,
+
+.PHONY: all
+all: smooth_2_5.gpkg smooth_5.gpkg
+
+smooth_%.gpkg: db/smooth_%
+	ogr2ogr $@ "PG:host=127.0.0.1 user=osm dbname=osm password=osm" $(basename $@)
+
+db/smooth_%: db/contour_% chaikin.sql
+	./managedb -- --echo-all \
+		-v ON_ERROR_STOP=1 \
+		-v src=$(notdir $(basename $<)) \
+		-v tbl=$(notdir $(basename $@)) \
+		-f chaikin.sql
+	touch $@
+
+db/contour_%: contour_%.gpkg db/.ready
+	./managedb -- -c "DROP TABLE IF EXISTS $(basename $<)"
+	ogr2ogr -f PostgreSQL "PG:host=127.0.0.1 user=osm dbname=osm password=osm" $<
+	touch $@
+
+contour_%.gpkg: all.tif
+	gdal_contour -nln $(basename $@) -i $(subst _,.,$*) -a z $^ $@
+
+ifeq ($(VARIANT),2009)
+all.tif: all.vrt all.xyz
+	gdal_grid $< $@ \
+		-a nearest \
+		-ot Float32 -co COMPRESS=DEFLATE -co PREDICTOR=2 \
+		-outsize $(OUTSIZE)
+else
+ifeq ($(VARIANT),2017)
+all.tif: all.vrt all.xyz
+	gdal_translate $< $@ \
+		-ot Float32 -a_srs EPSG:3346 \
+		-co COMPRESS=DEFLATE -co PREDICTOR=2
+else
+$(error VARIANT must be 2009 or 2017)
+endif
+endif
+
+.INTERMEDIATE: all.xyz
+all.xyz: $(XYZ)
+	$(SORT) -m $^ > $@
+
+.INTERMEDIATE: $(XYZ)
+%.xyz: %.zip
+	unzip -qq -c $< $@ | \
+		./clip-2009.awk $(addprefix -v ,$(BOUNDS)) | \
+		$(SORT) > $@
+
+db/.ready: managedb
+	mkdir -p db
+	./managedb start
+	touch $@