Changes between Version 3 and Version 4 of PostGIS_Raster_SoC_Idea_2012/Distance_Analysis_Tools/test

Timestamp:

Aug 28, 2012, 10:35:51 AM (12 years ago)

Author:

qliu

Comment:

—

PostGIS_Raster_SoC_Idea_2012/Distance_Analysis_Tools/test

@@ -1 @@
--- Test 0:
+== Test 0 ==:
 CREATE TABLE test_source_raster_0 AS SELECT 1 AS rid,rast FROM (SELECT ST_MakeEmptyRaster(10,10,0,0,1,1,0,0,4326) AS rast)foo;
 CREATE TABLE test_source_geometry_0 AS SELECT generate_series(1,10) AS id,ST_RandomPoints(the_geom,10) AS the_geom FROM (SELECT ST_SetSRID(ST_Extent(rast::geometry),4326) AS the_geom FROM test_source_raster_0)foo;
 CREATE TABLE test_ref_raster_0 AS SELECT 1 AS rid,rast FROM (SELECT ST_MakeEmptyRaster(10,10,0,0,1,1,0,0,4326) AS rast)foo;
 
--- 0-a: Test NULL Raster. Should be true.
+'''0-a: Test NULL Raster. Should be true.'''
 SELECT ST_EuclideanDistance(NULL,NULL,'public','test_source_geometry_0','the_geom',False) IS NULL FROM test_ref_raster_0;
 
--- 0-b: Test Empty Raster. Should be true.
+'''0-b: Test Empty Raster. Should be true.'''
 SELECT ST_IsEmpty(ST_EuclideanDistance(0,10,0,0,1,1,0,0,4326,-999,'32BF','public','test_source_geometry_0','the_geom',False));
 
--- Test 1: Small number of sources vs low resolution raster: (Source: 10 points, Raster: 10x10)
--- 1-a: Source geometry within the extent of the desired raster:
+== Test 1: Small number of sources vs low resolution raster: (Source: 10 points, Raster: 10x10) ==
+'''1-a: Source geometry within the extent of the desired raster:'''
 CREATE TABLE test_source_raster_1 AS SELECT 1 AS rid,rast FROM (SELECT ST_MakeEmptyRaster(10,10,0,0,1,1,0,0,4326) AS rast)foo;
 CREATE TABLE test_source_geometry_1 AS SELECT generate_series(1,10) AS id,ST_RandomPoints(the_geom,10) AS the_geom FROM (SELECT ST_SetSRID(ST_Extent(rast::geometry),4326) AS the_geom FROM test_source_raster_1)foo;
 CREATE TABLE test_ref_raster_1 AS SELECT 1 AS rid,rast FROM (SELECT ST_MakeEmptyRaster(10,10,0,0,1,1,0,0,4326) AS rast)foo;
--- 1-a-i: Generate Euclidean Distance from a one-band reference raster
--- 1-a-i-1: Snap is True; Max distance NOT specified:
-CREATE TABLE test_eudist_1_a_i_1 AS (SELECT 1 AS rid,ST_EuclideanDistance(rast,'32BF','public','test_source_geometry_1','the_geom',True) AS rast FROM test_ref_raster_1);
--- result:
--- [[Image(test_eudist_1_a_i_1.gif)]]
+ 1-a-i: Generate Euclidean Distance from a one-band reference raster
+  1-a-i-1: Snap is True; Max distance NOT specified:
+   CREATE TABLE test_eudist_1_a_i_1 AS (SELECT 1 AS rid,ST_EuclideanDistance(rast,'32BF','public','test_source_geometry_1','the_geom',True) AS rast FROM test_ref_raster_1);
+   result:
+   [[Image(test_eudist_1_a_i_1.gif)]]
 -------- 1-a-i-2: Snap is False; Max distance NOT specified:
 -------- 1-a-i-3: Snap is True; Max distance is specified: