Merge branch 'develop' of github.com:CartoDB/crankshaft into add-PIA
This commit is contained in:
@@ -4,3 +4,4 @@ results/
|
||||
crankshaft--dev.sql
|
||||
crankshaft--dev--current.sql
|
||||
crankshaft--current--dev.sql
|
||||
crankshaft--*--dev.sql
|
||||
|
||||
+5
-4
@@ -10,14 +10,15 @@ include ../../Makefile.global
|
||||
# * test runs the tests for the currently generated Development
|
||||
# extension.
|
||||
|
||||
DATA = $(EXTENSION)--dev.sql \
|
||||
$(EXTENSION)--current--dev.sql \
|
||||
$(EXTENSION)--dev--current.sql
|
||||
DATA = \
|
||||
$(EXTENSION)--dev.sql \
|
||||
$(EXTENSION)--current--dev.sql \
|
||||
$(EXTENSION)--dev--current.sql \
|
||||
$(EXTENSION)--$(RELEASE_VERSION)--dev.sql
|
||||
|
||||
SOURCES_DATA_DIR = sql
|
||||
SOURCES_DATA = $(wildcard $(SOURCES_DATA_DIR)/*.sql)
|
||||
|
||||
|
||||
REPLACEMENTS = -e 's/@@VERSION@@/$(EXTVERSION)/g'
|
||||
|
||||
$(DATA): $(SOURCES_DATA)
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
comment = 'CartoDB Spatial Analysis extension'
|
||||
default_version = '0.1.0'
|
||||
default_version = '0.2.0'
|
||||
requires = 'plpythonu, postgis'
|
||||
superuser = true
|
||||
schema = cdb_crankshaft
|
||||
|
||||
@@ -10,10 +10,22 @@ CREATE OR REPLACE FUNCTION
|
||||
END
|
||||
$$ LANGUAGE plpgsql;
|
||||
|
||||
|
||||
CREATE AGGREGATE CDB_PyAgg(NUMERIC[])(
|
||||
SFUNC = CDB_PyAggS,
|
||||
STYPE = Numeric[],
|
||||
INITCOND = "{}"
|
||||
);
|
||||
|
||||
-- Create aggregate if it did not exist
|
||||
DO $$
|
||||
BEGIN
|
||||
IF NOT EXISTS (
|
||||
SELECT *
|
||||
FROM pg_catalog.pg_proc p
|
||||
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace
|
||||
WHERE n.nspname = 'cdb_crankshaft'
|
||||
AND p.proname = 'cdb_pyagg'
|
||||
AND p.proisagg)
|
||||
THEN
|
||||
CREATE AGGREGATE CDB_PyAgg(NUMERIC[]) (
|
||||
SFUNC = CDB_PyAggS,
|
||||
STYPE = Numeric[],
|
||||
INITCOND = "{}"
|
||||
);
|
||||
END IF;
|
||||
END
|
||||
$$ LANGUAGE plpgsql;
|
||||
|
||||
@@ -0,0 +1,115 @@
|
||||
CREATE OR REPLACE FUNCTION CDB_Gravity(
|
||||
IN target_query text,
|
||||
IN weight_column text,
|
||||
IN source_query text,
|
||||
IN pop_column text,
|
||||
IN target bigint,
|
||||
IN radius integer,
|
||||
IN minval numeric DEFAULT -10e307
|
||||
)
|
||||
RETURNS TABLE(
|
||||
the_geom geometry,
|
||||
source_id bigint,
|
||||
target_id bigint,
|
||||
dist numeric,
|
||||
h numeric,
|
||||
hpop numeric) AS $$
|
||||
DECLARE
|
||||
t_id bigint[];
|
||||
t_geom geometry[];
|
||||
t_weight numeric[];
|
||||
s_id bigint[];
|
||||
s_geom geometry[];
|
||||
s_pop numeric[];
|
||||
BEGIN
|
||||
EXECUTE 'WITH foo as('+target_query+') SELECT array_agg(cartodb_id), array_agg(the_geom), array_agg(' || weight_column || ') FROM foo' INTO t_id, t_geom, t_weight;
|
||||
EXECUTE 'WITH foo as('+source_query+') SELECT array_agg(cartodb_id), array_agg(the_geom), array_agg(' || pop_column || ') FROM foo' INTO s_id, s_geom, s_pop;
|
||||
RETURN QUERY
|
||||
SELECT g.* FROM t, s, CDB_Gravity(t_id, t_geom, t_weight, s_id, s_geom, s_pop, target, radius, minval) g;
|
||||
END;
|
||||
$$ language plpgsql;
|
||||
|
||||
CREATE OR REPLACE FUNCTION CDB_Gravity(
|
||||
IN t_id bigint[],
|
||||
IN t_geom geometry[],
|
||||
IN t_weight numeric[],
|
||||
IN s_id bigint[],
|
||||
IN s_geom geometry[],
|
||||
IN s_pop numeric[],
|
||||
IN target bigint,
|
||||
IN radius integer,
|
||||
IN minval numeric DEFAULT -10e307
|
||||
)
|
||||
RETURNS TABLE(
|
||||
the_geom geometry,
|
||||
source_id bigint,
|
||||
target_id bigint,
|
||||
dist numeric,
|
||||
h numeric,
|
||||
hpop numeric) AS $$
|
||||
DECLARE
|
||||
t_type text;
|
||||
s_type text;
|
||||
t_center geometry[];
|
||||
s_center geometry[];
|
||||
BEGIN
|
||||
t_type := GeometryType(t_geom[1]);
|
||||
s_type := GeometryType(s_geom[1]);
|
||||
IF t_type = 'POINT' THEN
|
||||
t_center := t_geom;
|
||||
ELSE
|
||||
WITH tmp as (SELECT unnest(t_geom) as g) SELECT array_agg(ST_Centroid(g)) INTO t_center FROM tmp;
|
||||
END IF;
|
||||
IF s_type = 'POINT' THEN
|
||||
s_center := s_geom;
|
||||
ELSE
|
||||
WITH tmp as (SELECT unnest(s_geom) as g) SELECT array_agg(ST_Centroid(g)) INTO s_center FROM tmp;
|
||||
END IF;
|
||||
RETURN QUERY
|
||||
with target0 as(
|
||||
SELECT unnest(t_center) as tc, unnest(t_weight) as tw, unnest(t_id) as td
|
||||
),
|
||||
source0 as(
|
||||
SELECT unnest(s_center) as sc, unnest(s_id) as sd, unnest (s_geom) as sg, unnest(s_pop) as sp
|
||||
),
|
||||
prev0 as(
|
||||
SELECT
|
||||
source0.sg,
|
||||
source0.sd as sourc_id,
|
||||
coalesce(source0.sp,0) as sp,
|
||||
target.td as targ_id,
|
||||
coalesce(target.tw,0) as tw,
|
||||
GREATEST(1.0,ST_Distance(geography(target.tc), geography(source0.sc)))::numeric as distance
|
||||
FROM source0
|
||||
CROSS JOIN LATERAL
|
||||
(
|
||||
SELECT
|
||||
*
|
||||
FROM target0
|
||||
WHERE tw > minval
|
||||
AND ST_DWithin(geography(source0.sc), geography(tc), radius)
|
||||
) AS target
|
||||
),
|
||||
deno as(
|
||||
SELECT
|
||||
sourc_id,
|
||||
sum(tw/distance) as h_deno
|
||||
FROM
|
||||
prev0
|
||||
GROUP BY sourc_id
|
||||
)
|
||||
SELECT
|
||||
p.sg as the_geom,
|
||||
p.sourc_id as source_id,
|
||||
p.targ_id as target_id,
|
||||
case when p.distance > 1 then p.distance else 0.0 end as dist,
|
||||
100*(p.tw/p.distance)/d.h_deno as h,
|
||||
p.sp*(p.tw/p.distance)/d.h_deno as hpop
|
||||
FROM
|
||||
prev0 p,
|
||||
deno d
|
||||
WHERE
|
||||
p.targ_id = target AND
|
||||
p.sourc_id = d.sourc_id;
|
||||
END;
|
||||
$$ language plpgsql;
|
||||
@@ -74,11 +74,11 @@ BEGIN
|
||||
SELECT array_agg(v) INTO vertex FROM a;
|
||||
|
||||
-- retrieve the value of each vertex
|
||||
WITH a AS(SELECT unnest(vertex) as geo, unnest(colin) as c)
|
||||
WITH a AS(SELECT unnest(geomin) as geo, unnest(colin) as c)
|
||||
SELECT c INTO va FROM a WHERE ST_Equals(geo, vertex[1]);
|
||||
WITH a AS(SELECT unnest(vertex) as geo, unnest(colin) as c)
|
||||
WITH a AS(SELECT unnest(geomin) as geo, unnest(colin) as c)
|
||||
SELECT c INTO vb FROM a WHERE ST_Equals(geo, vertex[2]);
|
||||
WITH a AS(SELECT unnest(vertex) as geo, unnest(colin) as c)
|
||||
WITH a AS(SELECT unnest(geomin) as geo, unnest(colin) as c)
|
||||
SELECT c INTO vc FROM a WHERE ST_Equals(geo, vertex[3]);
|
||||
|
||||
SELECT ST_area(g), ST_area(ST_MakePolygon(ST_MakeLine(ARRAY[point, vertex[2], vertex[3], point]))), ST_area(ST_MakePolygon(ST_MakeLine(ARRAY[point, vertex[1], vertex[3], point]))), ST_area(ST_MakePolygon(ST_MakeLine(ARRAY[point,vertex[1],vertex[2], point]))) INTO sg, sa, sb, sc;
|
||||
|
||||
@@ -41,9 +41,23 @@ BEGIN
|
||||
END
|
||||
$$ LANGUAGE plpgsql;
|
||||
|
||||
CREATE AGGREGATE CDB_WeightedMean(geometry(Point, 4326), NUMERIC)(
|
||||
SFUNC = CDB_WeightedMeanS,
|
||||
FINALFUNC = CDB_WeightedMeanF,
|
||||
STYPE = Numeric[],
|
||||
INITCOND = "{0.0,0.0,0.0}"
|
||||
);
|
||||
-- Create aggregate if it did not exist
|
||||
DO $$
|
||||
BEGIN
|
||||
IF NOT EXISTS (
|
||||
SELECT *
|
||||
FROM pg_catalog.pg_proc p
|
||||
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace
|
||||
WHERE n.nspname = 'cdb_crankshaft'
|
||||
AND p.proname = 'cdb_weightedmean'
|
||||
AND p.proisagg)
|
||||
THEN
|
||||
CREATE AGGREGATE CDB_WeightedMean(geometry(Point, 4326), NUMERIC) (
|
||||
SFUNC = CDB_WeightedMeanS,
|
||||
FINALFUNC = CDB_WeightedMeanF,
|
||||
STYPE = Numeric[],
|
||||
INITCOND = "{0.0,0.0,0.0}"
|
||||
);
|
||||
END IF;
|
||||
END
|
||||
$$ LANGUAGE plpgsql;
|
||||
|
||||
@@ -0,0 +1,14 @@
|
||||
SET client_min_messages TO WARNING;
|
||||
\set ECHO none
|
||||
the_geom | h | hpop | dist
|
||||
--------------------------------------------+-------------------------+--------------------------+----------------
|
||||
01010000001361C3D32B650140DD24068195B34440 | 1.51078258369747945249 | 12.08626066957983561994 | 4964.714459152
|
||||
01010000002497FF907EFB0040713D0AD7A3B04440 | 98.29730954183620807430 | 688.08116679285345652007 | 99.955141922
|
||||
0101000000A167B3EA733501401D5A643BDFAF4440 | 63.70532894711274639196 | 382.23197368267647835174 | 2488.330566505
|
||||
010100000062A1D634EF380140BE9F1A2FDDB44440 | 35.35415870080995954879 | 176.77079350404979774397 | 4359.370460594
|
||||
010100000052B81E85EB510140355EBA490CB24440 | 33.12290506987740864904 | 132.49162027950963459615 | 3703.664449828
|
||||
0101000000C286A757CA320140736891ED7CAF4440 | 65.45251754279248087849 | 196.35755262837744263547 | 2512.092358644
|
||||
01010000007DD0B359F5390140C976BE9F1AAF4440 | 62.83927792471345639225 | 125.67855584942691278449 | 2926.25725244
|
||||
0101000000D237691A140D01407E6FD39FFDB44440 | 53.54905726651871279586 | 53.54905726651871279586 | 3744.515577777
|
||||
(8 rows)
|
||||
|
||||
@@ -0,0 +1,24 @@
|
||||
SET client_min_messages TO WARNING;
|
||||
\set ECHO none
|
||||
|
||||
WITH t AS (
|
||||
SELECT
|
||||
ARRAY[1,2,3] AS id,
|
||||
ARRAY[7.0,8.0,3.0] AS w,
|
||||
ARRAY[ST_GeomFromText('POINT(2.1744 41.4036)'),ST_GeomFromText('POINT(2.1228 41.3809)'),ST_GeomFromText('POINT(2.1511 41.3742)')] AS g
|
||||
),
|
||||
s AS (
|
||||
SELECT
|
||||
ARRAY[10,20,30,40,50,60,70,80] AS id,
|
||||
ARRAY[800, 700, 600, 500, 400, 300, 200, 100] AS p,
|
||||
ARRAY[ST_GeomFromText('POINT(2.1744 41.403)'),ST_GeomFromText('POINT(2.1228 41.380)'),ST_GeomFromText('POINT(2.1511 41.374)'),ST_GeomFromText('POINT(2.1528 41.413)'),ST_GeomFromText('POINT(2.165 41.391)'),ST_GeomFromText('POINT(2.1498 41.371)'),ST_GeomFromText('POINT(2.1533 41.368)'),ST_GeomFromText('POINT(2.131386 41.41399)')] AS g
|
||||
)
|
||||
SELECT
|
||||
g.the_geom,
|
||||
g.h,
|
||||
g.hpop,
|
||||
g.dist
|
||||
FROM
|
||||
t,
|
||||
s,
|
||||
cdb_crankshaft.CDB_Gravity(t.id, t.g, t.w, s.id, s.g, s.p, 2, 100000, 3) g;
|
||||
Reference in New Issue
Block a user