postgis/raster/test/regress/rt_valuepercent.sql

SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, TRUE, ARRAY[]::double precision[], 0);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, TRUE, NULL::double precision[], 0);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, FALSE, NULL::double precision[], 0);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, TRUE, NULL::double precision[], 0.1);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, ARRAY[3.1], 0.1);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, ARRAY[-10]);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, ARRAY[-10], 0);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, ARRAY[-10, 3]);
SELECT round(ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, TRUE, 3.14, 0.19)::numeric, 3);
SELECT round(ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, FALSE, 3.14, 0.01)::numeric, 3);
SELECT round(ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, -10, 0.1)::numeric, 3);
SELECT round(ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 1, -10)::numeric, 3);
SELECT round(ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, -10., 10)::numeric, 3);
SELECT round(ST_ValuePercent(
	ST_SetValue(
		ST_SetValue(
			ST_SetValue(
				ST_AddBand(
					ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
					, 1, '64BF', 0, 0
				)
				, 1, 1, 1, -10
			)
			, 1, 5, 4, 0
		)
		, 1, 5, 5, 3.14159
	)
, 3.14159)::numeric, 3);
BEGIN;
CREATE TEMP TABLE test
	ON COMMIT DROP AS
	SELECT
		rast.rast
	FROM (
		SELECT ST_SetValue(
			ST_SetValue(
				ST_SetValue(
					ST_AddBand(
						ST_MakeEmptyRaster(10, 10, 10, 10, 2, 2, 0, 0,0)
						, 1, '64BF', 0, 0
					)
					, 1, 1, 1, -10
				)
				, 1, 5, 4, 0
			)
			, 1, 5, 5, 3.14159
		) AS rast
	) AS rast
	FULL JOIN (
		SELECT generate_series(1, 10) AS id
	) AS id
		ON 1 = 1;
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent('test', 'rast', 1, FALSE, NULL::double precision[], 0);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent('test', 'rast', 1, ARRAY[-10]::double precision[], 0);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent('test', 'rast', 1, ARRAY[1]::double precision[]);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent('test', 'rast', NULL::double precision[], 0.1);
SELECT round(value::numeric, 3), round(percent::numeric, 3) FROM ST_ValuePercent('test', 'rast', ARRAY[-1, 3.1]::double precision[], 0.1);

SELECT round(ST_ValuePercent('test', 'rast', 1, TRUE, NULL::double precision, 0)::numeric, 3);
SELECT round(ST_ValuePercent('test', 'rast', 1, 3.14, 1)::numeric, 3);
SELECT round(ST_ValuePercent('test', 'rast', 1, -1)::numeric, 3);
SELECT round(ST_ValuePercent('test', 'rast', 3.1, 0.1)::numeric, 3);
SELECT round(ST_ValuePercent('test', 'rast', -9.)::numeric, 3);
ROLLBACK;