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|
SET client_min_messages TO warning;
DROP TABLE IF EXISTS raster_setvalues_rast;
DROP TABLE IF EXISTS raster_setvalues_out;
CREATE TABLE raster_setvalues_rast (
rid integer,
rast raster
);
CREATE TABLE raster_setvalues_out (
rid integer,
rast raster
);
CREATE OR REPLACE FUNCTION make_test_raster(rid integer, width integer DEFAULT 2, height integer DEFAULT 2, ul_x double precision DEFAULT 0, ul_y double precision DEFAULT 0, skew_x double precision DEFAULT 0, skew_y double precision DEFAULT 0)
RETURNS void
AS $$
DECLARE
x int;
y int;
rast raster;
BEGIN
rast := ST_MakeEmptyRaster(width, height, ul_x, ul_y, 1, 1, skew_x, skew_y, 0);
rast := ST_AddBand(rast, 1, '8BUI', 1, 0);
INSERT INTO raster_setvalues_rast VALUES (rid, rast);
RETURN;
END;
$$ LANGUAGE 'plpgsql';
SELECT make_test_raster(0, 5, 3);
DROP FUNCTION make_test_raster(integer, integer, integer, double precision, double precision, double precision, double precision);
INSERT INTO raster_setvalues_out VALUES (
1, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[10]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
2, (
SELECT ST_SetValues(
rast, 1, 2, 1,
ARRAY[10]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
3, (
SELECT ST_SetValues(
rast, 1, 3, 1,
ARRAY[10]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
4, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[10, 10]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
5, (
SELECT ST_SetValues(
rast, 1, 2, 2,
ARRAY[10, 10]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
6, (
SELECT ST_SetValues(
rast, 1, 3, 3,
ARRAY[10, 10, 10]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
7, (
SELECT ST_SetValues(
rast, 1, 4, 3,
ARRAY[10, 10, 10]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
8, (
SELECT ST_SetValues(
rast, 1, 2, 1,
ARRAY[[5, 5, 5, 5], [6, 6, 6, 6]]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
9, (
SELECT ST_SetValues(
rast, 1, 2, 1,
ARRAY[[5, 5, 5, 5], [6, 6, 6, 6], [7, 7, 7, NULL]]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
10, (
SELECT ST_SetValues(
rast, 1, 2, 1,
ARRAY[[5, 5, 5, 5, 10], [6, 6, 6, 6, 10], [7, 7, 7, NULL, 10]]::double precision[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
11, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[10, 10, 10]::double precision[],
ARRAY[false, true]::boolean[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
12, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[NULL, 10, 0]::double precision[],
ARRAY[false, NULL, false]::boolean[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
13, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[NULL, 10, 0]::double precision[],
ARRAY[false, NULL, true]::boolean[]
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
21, (
SELECT ST_SetValues(
rast, 1,
1, 1,
5, 3,
100
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
22, (
SELECT ST_SetValues(
rast, 1,
1, 1,
5, 3,
NULL
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
23, (
SELECT ST_SetValues(
rast, 1,
1, 1,
5, 3,
0
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
31, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[-1, 31, -1]::double precision[],
-1::double precision
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
32, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[[-1, 32, -1], [32, -1, 32]]::double precision[],
-1::double precision
)
FROM raster_setvalues_rast
));
INSERT INTO raster_setvalues_out VALUES (
33, (
SELECT ST_SetValues(
rast, 1, 1, 1,
ARRAY[[NULL, 33, NULL], [33, NULL, 33]]::double precision[],
NULL::double precision
)
FROM raster_setvalues_rast
));
SELECT
rid,
(poly).x,
(poly).y,
(poly).val
FROM (
SELECT
rid,
ST_PixelAsPolygons(rast) AS poly
FROM raster_setvalues_out
) AS foo
ORDER BY 1, 2, 3;
DROP TABLE IF EXISTS raster_setvalues_rast;
DROP TABLE IF EXISTS raster_setvalues_out;
|
