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|
DROP TABLE IF EXISTS raster_union_in;
CREATE TABLE raster_union_in (
rid integer,
rast raster
);
DROP TABLE IF EXISTS raster_union_out;
CREATE TABLE raster_union_out (
uniontype text,
rast raster
);
INSERT INTO raster_union_in
SELECT 0, NULL::raster AS rast UNION ALL
SELECT 1, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 2, ST_AddBand(ST_MakeEmptyRaster(2, 2, 1, -1, 1, -1, 0, 0, 0), 1, '8BUI', 2, 0) AS rast
;
INSERT INTO raster_union_out
SELECT
'LAST',
ST_Union(rast, 1) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'FIRST',
ST_Union(rast, 1, 'FIRST') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MIN',
ST_Union(rast, 1, 'MIN') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MAX',
ST_Union(rast, 1, 'MAX') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'COUNT',
ST_Union(rast, 1, 'COUNT') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'SUM',
ST_Union(rast, 1, 'SUM') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MEAN',
ST_Union(rast, 'mean') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'RANGE',
ST_Union(rast, 'range') AS rast
FROM raster_union_in;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
TRUNCATE raster_union_out;
TRUNCATE raster_union_in;
INSERT INTO raster_union_in
SELECT 10, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 11, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 12, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 13, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -2, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 14, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -2, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 15, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -2, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 16, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, -4, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 17, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -4, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 18, ST_AddBand(ST_MakeEmptyRaster(2, 2, 4, -4, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast
;
INSERT INTO raster_union_out
SELECT
'LAST',
ST_Union(rast, 1) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'FIRST',
ST_Union(rast, 1, 'FIRST') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MIN',
ST_Union(rast, 1, 'MIN') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MAX',
ST_Union(rast, 1, 'MAX') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'COUNT',
ST_Union(rast, 1, 'COUNT') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'SUM',
ST_Union(rast, 1, 'SUM') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MEAN',
ST_Union(rast, 1, 'mean') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'RANGE',
ST_Union(rast, 1, 'RANGE') AS rast
FROM raster_union_in;
SELECT
uniontype,
(pp).x,
(pp).y,
(pp).val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast)) AS pp
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
TRUNCATE raster_union_out;
TRUNCATE raster_union_in;
INSERT INTO raster_union_in
SELECT 20, ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0), 2, '32BF', 1, -9999) AS rast UNION ALL
SELECT 21, ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 1, -1, 1, -1, 0, 0, 0), 1, '8BUI', 2, 0), 2, '32BF', 2, -9999) AS rast
;
INSERT INTO raster_union_out
SELECT
'LAST',
ST_Union(rast, 2) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'FIRST',
ST_Union(rast, 2, 'FIRST') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MIN',
ST_Union(rast, 2, 'MIN') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MAX',
ST_Union(rast, 2, 'MAX') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'COUNT',
ST_Union(rast, 2, 'COUNT') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'SUM',
ST_Union(rast, 2, 'SUM') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MEAN',
ST_Union(rast, 2, 'mean') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'RANGE',
ST_Union(rast, 2, 'RANGE') AS rast
FROM raster_union_in;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
TRUNCATE raster_union_out;
TRUNCATE raster_union_in;
INSERT INTO raster_union_in
SELECT 30, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, NULL) AS rast UNION ALL
SELECT 31, ST_AddBand(ST_MakeEmptyRaster(2, 2, 1, -1, 1, -1, 0, 0, 0), 1, '8BUI', 2, NULL) AS rast
;
INSERT INTO raster_union_out
SELECT
'LAST',
ST_Union(rast, 1) AS rast
FROM raster_union_in;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
TRUNCATE raster_union_out;
TRUNCATE raster_union_in;
INSERT INTO raster_union_in
SELECT 40, NULL::raster AS rast UNION ALL
SELECT 41, NULL::raster AS rast UNION ALL
SELECT 42, ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0), 2, '32BF', 100, -9999) AS rast UNION ALL
SELECT 43, ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 1, -1, 1, -1, 0, 0, 0), 1, '8BUI', 2, 0), 2, '32BF', 200, -9999) AS rast
;
INSERT INTO raster_union_out
SELECT
'LAST',
ST_Union(rast, ARRAY[ROW(1, 'LAST'), ROW(2, 'LAST')]::unionarg[]) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'FIRST',
ST_Union(rast, ARRAY[ROW(1, 'FIRST'), ROW(2, 'FIRST')]::unionarg[]) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MIN',
ST_Union(rast, ARRAY[ROW(1, 'MIN'), ROW(2, 'MIN')]::unionarg[]) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MAX',
ST_Union(rast, ARRAY[ROW(1, 'MAX'), ROW(2, 'MAX')]::unionarg[]) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'COUNT',
ST_Union(rast, ARRAY[ROW(1, 'COUNT'), ROW(2, 'COUNT')]::unionarg[]) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'SUM',
ST_Union(rast, ARRAY[ROW(1, 'SUM'), ROW(2, 'SUM')]::unionarg[]) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MEAN',
ST_Union(rast, ARRAY[ROW(1, 'MEAN'), ROW(2, 'MEAN')]::unionarg[]) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'RANGE',
ST_Union(rast, ARRAY[ROW(1, 'RANGE'), ROW(2, 'RANGE')]::unionarg[]) AS rast
FROM raster_union_in;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast, 2)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
TRUNCATE raster_union_out;
TRUNCATE raster_union_in;
INSERT INTO raster_union_in
SELECT 50, NULL::raster AS rast UNION ALL
SELECT 51, NULL::raster AS rast UNION ALL
SELECT 52, ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0), 2, '32BF', 100, -9999) AS rast UNION ALL
SELECT 53, ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 1, -1, 1, -1, 0, 0, 0), 1, '8BUI', 2, 0), 2, '32BF', 200, -9999) AS rast UNION ALL
SELECT 54, NULL::raster AS rast UNION ALL
SELECT 55, ST_AddBand(ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, -1, 1, 1, -1, 0, 0, 0), 1, '8BUI', 3, 0), 2, '32BF', 300, -9999), 3, '8BSI', -1, -10) AS rast UNION ALL
SELECT 56, ST_AddBand(ST_AddBand(ST_MakeEmptyRaster(2, 2, 1, 1, 1, -1, 0, 0, 0), 1, '8BUI', 4, 0), 2, '32BF', 400, -9999) AS rast
;
INSERT INTO raster_union_out
SELECT
'LAST-1',
ST_Union(rast) AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'LAST-2',
ST_Union(rast, 'last') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'FIRST-2',
ST_Union(rast, 'first') AS rast
FROM raster_union_in;
INSERT INTO raster_union_out
SELECT
'MEAN-2',
ST_Union(rast, 'mean') AS rast
FROM raster_union_in;
SELECT
uniontype,
(ST_Metadata(rast)).*
FROM raster_union_out
ORDER BY uniontype;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast, 2)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast, 3)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
TRUNCATE raster_union_out;
TRUNCATE raster_union_in;
INSERT INTO raster_union_in
SELECT 60, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, -2, 1, -1, 0, 0, 0), 1, '8BUI', 1, 0) AS rast UNION ALL
SELECT 61, ST_AddBand(ST_MakeEmptyRaster(2, 2, 0, 0, 1, -1, 0, 0, 0), 1, '8BUI', 2, 0) AS rast UNION ALL
SELECT 62, ST_AddBand(ST_MakeEmptyRaster(2, 2, 2, 0, 1, -1, 0, 0, 0), 1, '8BUI', 3, 0) AS rast UNION ALL
SELECT 63, ST_AddBand(ST_MakeEmptyRaster(2, 2, -1, -3, 1, -1, 0, 0, 0), 1, '8BUI', 4, 0) AS rast UNION ALL
SELECT 0, NULL::raster UNION ALL -- toxic element embedded
SELECT 64, ST_AddBand(ST_MakeEmptyRaster(2, 2, -2, 4, 1, -1, 0, 0, 0), 1, '8BUI', 5, 0) AS rast
;
INSERT INTO raster_union_out
SELECT
'LAST',
ST_Union(rast) AS rast
FROM raster_union_in;
SELECT
(ST_Metadata(rast)).*
FROM raster_union_out;
SELECT
uniontype,
x,
y,
val
FROM (
SELECT
uniontype,
(ST_PixelAsPoints(rast)).*
FROM raster_union_out
) foo
ORDER BY uniontype, y, x;
DROP TABLE IF EXISTS raster_union_in;
DROP TABLE IF EXISTS raster_union_out;
-- Some toxic input
SELECT 'none', ST_Union(r) from ( select null::raster r where false ) f;
SELECT 'null', ST_Union(null::raster);
|
