-DB_NAME='census2000'
-DB_USER='postgres'
-TIGER_DATA_URL='http://www2.census.gov/cgi-bin/shapefiles/multi-file-download?files=24_MARYLAND%2Ftl_2008_24_tabblock00.zip'
-TIGER_SRID='4269'
+DB_NAME=census
+DB_USER=postgres
+TIGER_SRID=4269
+
+
+# Dark magic. We set these makefile variables to be the result of the
+# 'shell' function. The shell function, in turn, executes a Python
+# script which determines the locations of these files.
+SHP2PGSQL := $(shell bin/find_file_paths --root /usr --single shp2pgsql)
+POSTGIS_SQL := $(shell bin/find_file_paths --root /usr lwpostgis.sql postgis.sql)
+SPATIAL_REF_SYS_SQL := $(shell bin/find_file_paths --root /usr spatial_ref_sys.sql)
# Necessary to run test/data without prerequisites.
#
-.PHONY : test data
+.PHONY : test data lib
# The default task, since it comes first in the list.
#
-all: clean test
+all: clean lib test
test:
./bin/run_tests
+# Download or check out any third-party libraries.
+lib:
+ make -C lib/
+
+
# Remove byte-compiled python code.
#
clean:
find ./ -name '*.pyc' -print0 | xargs -0 rm -f
-# Download the shapefiles from Tiger if they don't already exist.
-# For now, we're only dealing with the Census 2000 Maryland Block
-# data, so the filenames are hard-coded. Easy enough to change.
-#
data:
- mkdir -p data/census-2000-block/maryland/
- if [ ! -f data/census-2000-block/maryland/tl_2008_24_tabblock00.shp ]; then \
- wget -O tiger.zip $(TIGER_DATA_URL); \
- unzip tiger.zip; \
- rm tiger.zip; \
- unzip srv/ftp/geo/tiger/TIGER2008/24_MARYLAND/tl_2008_24_tabblock00.zip \
- -d ./data/census-2000-block/maryland/; \
- rm -rf srv; \
- fi;
-
-
-# This task does a couple of things. First, it drops and re-creates
-# the DB_NAME database (or schema, whatever). Then, it adds PL/pgSQL
-# support to the database.
+ bin/download_data
+
+
+# There is a small issue here with the blocks_db and lines_db
+# targets. Each of these requires that the database exists, and might
+# therefore depend on the newdb target. However, if /each/ of them
+# depends on newdb, the database will be dropped twice and the data
+# from one of {blocks, lines} would be lost.
+#
+# We therefore assume that the database already exists when blocks_db
+# or lines_db are initiated.
+blocks_db: data blocks_table
+# All Blocks
+#
+# The table already exists, so we can append to it, and we don't have
+# to create the GiST index.
+ for state in data/census2000/*; do \
+ $(SHP2PGSQL) \
+ -a \
+ -s $(TIGER_SRID) \
+ -D \
+ $$state/blocks/*.shp \
+ tiger_blocks \
+ | psql -U $(DB_USER) -d $(DB_NAME); \
+ done;
+
+# Summary File 1
#
-# At that point, we import the two PostGIS files, lwpostgis.sql and
-# spatial_ref_sys.sql. These are magic as far as I'm concerned, but
-# PostGIS requires them.
+# Run all of the geo (uf1) files through the import script. This has
+# to happen after the blocks import since we impose a foreign key
+# restriction.
+ for state in data/census2000/*; do \
+ bin/sf1blocks2sql $$state/sf1/*.uf1 sf1_blocks \
+ | psql -U $(DB_USER) -d $(DB_NAME) \
+ > /dev/null; \
+ done;
+
+# Run the query to combine the two blocks tables, and drop the
+# constituents.
+ psql -U $(DB_USER) \
+ -d $(DB_NAME) \
+ -f sql/combine-block-tables.sql
+
+
+lines_db: data tiger_lines_table
+# All Lines
#
-# Then, we import the Tiger data using shp2pgsql. The shapefiles
+# Since the table and index already exist, we can utilize -a,
+# and leave -I out.
+ for state in data/census2000/*; do \
+ for shapefile in $$state/lines/*.shp; do \
+ echo "Importing $$shapefile."; \
+ $(SHP2PGSQL) \
+ -a \
+ -s $(TIGER_SRID) \
+ $$shapefile \
+ tiger_lines \
+ | bin/filter-transactions \
+ | psql -U $(DB_USER) -d $(DB_NAME) \
+ > /dev/null; \
+ done; \
+ done;
+
+
+
+# This imports the Tiger data using shp2pgsql. The shapefiles
# should exist, since this task depends on the "data" task, which
# downloads said shapefiles.
#
-# Finally, we create the table for the demographic data (obtained from
-# the geographic header records), and populate that table with the output
-# of the sf1blocks2sql script.
+# After the TIGER import is done, we use the sf1blocks2sql script to
+# parse and import the geographic header record information.
#
-db: data
- dropdb -U $(DB_USER) $(DB_NAME)
- createdb -U $(DB_USER) $(DB_NAME)
- createlang -U $(DB_USER) plpgsql $(DB_NAME)
-
- psql -d $(DB_NAME) \
- -U $(DB_USER) \
- -f /usr/share/postgresql/contrib/lwpostgis.sql
-
- psql -d $(DB_NAME) \
- -U $(DB_USER) \
- -f /usr/share/postgresql/contrib/spatial_ref_sys.sql
+db: newdb blocks_data lines_data
+ # Do nothing except fulfill our prerequisites.
- shp2pgsql -I \
- -s $(TIGER_SRID) \
- data/census-2000-block/maryland/tl_2008_24_tabblock00.shp \
- tiger \
- | psql -U $(DB_USER) -d $(DB_NAME)
- psql -d $(DB_NAME) \
- -U $(DB_USER) \
- -f sql/create-sf1_blocks-table.sql
- bin/sf1blocks2sql src/Tests/Fixtures/SummaryFile1/mdgeo.uf1 sf1_blocks \
- | psql -U postgres -d $(DB_NAME)
+# First, we drop and re-create the DB_NAME database (or schema,
+# whatever). Then, we add PL/pgSQL support to the database.
+#
+# At that point, we import the two PostGIS files, postgis.sql and
+# spatial_ref_sys.sql. The postgis.sql file contains the geometry
+# functions, while spatial_ref_sys.sql contains a table of SRIDs, and
+# their associated properties. PostGIS requires both.
+#
+newdb:
+# Ignore the result of dropdb when it fails.
+ dropdb -U $(DB_USER) $(DB_NAME) || true
+ createdb -U $(DB_USER) $(DB_NAME)
+ createlang -U $(DB_USER) plpgsql $(DB_NAME)
+ psql -d $(DB_NAME) \
+ -U $(DB_USER) \
+ -f $(POSTGIS_SQL) \
+ > /dev/null
+
+ psql -d $(DB_NAME) \
+ -U $(DB_USER) \
+ -f $(SPATIAL_REF_SYS_SQL) \
+ > /dev/null
+
+
+# This just runs the SQL script to create the sf1_blocks table.
+sf1_blocks_table:
+ psql -d $(DB_NAME) \
+ -U $(DB_USER) \
+ -f sql/create-sf1_blocks-table.sql \
+ > /dev/null
+
+
+# Create the tiger_blocks table, and create its GiST index. Having the
+# table already exist makes importing via shp2pgsql much easier.
+# Any blocks file will work as an argument.
+tiger_blocks_table:
+ $(SHP2PGSQL) \
+ -p \
+ -I \
+ -s $(TIGER_SRID) \
+ data/census2000/maryland/blocks/tl_2009_24_tabblock00.shp \
+ tiger_blocks \
+ | psql -U $(DB_USER) -d $(DB_NAME) \
+ > /dev/null
+
+# Create the "blocks" table, which is the result of joining
+# the tiger_blocks and sf1_blocks tables.
+blocks_table: tiger_blocks_table sf1_blocks_table
+ psql -U $(DB_USER) \
+ -d $(DB_NAME) \
+ -f sql/create-blocks-table.sql
+
+
+# Prepare the tiger_lines table, and create the GiST index on its
+# geometry column. Any lines shapefile will do here.
+tiger_lines_table:
+ $(SHP2PGSQL) \
+ -p \
+ -I \
+ -s $(TIGER_SRID) \
+ data/census2000/maryland/lines/tl_2009_24510_edges.shp \
+ tiger_lines \
+ | psql -U $(DB_USER) -d $(DB_NAME) \
+ > /dev/null
+
+# Add a unique index on the "tlid" column.
+ psql -U $(DB_USER) \
+ -d $(DB_NAME) \
+ -f sql/create_tlid_unique_index.sql
projects / dead / census-tools.git / blobdiff