1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
-----------------------------------------------------------------------
--
-- Copyright (c) 2009 Sandro Santilli <strk@kbt.io>, David Zwarg <dzwarg@azavea.com>
--
-- This program is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License
-- as published by the Free Software Foundation; either version 2
-- of the License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software Foundation,
-- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-----------------------------------------------------------------------
CREATE TABLE rt_box3d_test (
id numeric,
name text,
rast raster,
env box3d
);
-- 10x20, ip:0.5,0.5 scale:2,3
INSERT INTO rt_box3d_test
VALUES ( 0, '10x20, ip:0.5,0.5 scale:2,3 skew:0,0',
(
'01' -- little endian (uint8 ndr)
||
'0000' -- version (uint16 0)
||
'0000' -- nBands (uint16 0)
||
'0000000000000040' -- scaleX (float64 2)
||
'0000000000000840' -- scaleY (float64 3)
||
'000000000000E03F' -- ipX (float64 0.5)
||
'000000000000E03F' -- ipY (float64 0.5)
||
'0000000000000000' -- skewX (float64 0)
||
'0000000000000000' -- skewY (float64 0)
||
'0A000000' -- SRID (int32 10)
||
'0A00' -- width (uint16 10)
||
'1400' -- height (uint16 20)
)::raster
,'BOX3D(0.5 0.5,20.5 60.5 0)' -- expected envelope (20x60) == (10*2 x 20*3)
);
INSERT INTO rt_box3d_test
VALUES ( 1, '1x1, ip:2.5,2.5 scale:5,5 skew:0,0',
(
'01' -- little endian (uint8 ndr)
||
'0000' -- version (uint16 0)
||
'0000' -- nBands (uint16 0)
||
'0000000000001440' -- scaleX (float64 5)
||
'0000000000001440' -- scaleY (float64 5)
||
'0000000000000440' -- ipX (float64 2.5)
||
'0000000000000440' -- ipY (float64 2.5)
||
'0000000000000000' -- skewX (float64 0)
||
'0000000000000000' -- skewY (float64 0)
||
'00000000' -- SRID (int32 0)
||
'0100' -- width (uint16 1)
||
'0100' -- height (uint16 1)
)::raster
,'BOX3D(2.5 2.5,7.5 7.5 0)' -- expected envelope
);
INSERT INTO rt_box3d_test
VALUES ( 2, '1x1, ip:7.5,2.5 scale:5,5 skew:0,0',
(
'01' -- little endian (uint8 ndr)
||
'0000' -- version (uint16 0)
||
'0000' -- nBands (uint16 0)
||
'0000000000001440' -- scaleX (float64 5)
||
'0000000000001440' -- scaleY (float64 5)
||
'0000000000001E40' -- ipX (float64 7.5)
||
'0000000000000440' -- ipY (float64 2.5)
||
'0000000000000000' -- skewX (float64 0)
||
'0000000000000000' -- skewY (float64 0)
||
'00000000' -- SRID (int32 0)
||
'0100' -- width (uint16 1)
||
'0100' -- height (uint16 1)
)::raster
,'BOX3D(7.5 2.5,12.5 7.5 0)' -- expected envelope
);
-----------------------------------------------------------------------
-- test bounding box (2D)
-----------------------------------------------------------------------
SELECT
id,
env as expected,
rast::box3d as obtained
FROM rt_box3d_test
WHERE
rast::box3d::text != env::text;
SELECT
id,
env as expected,
box3d(rast) as obtained
FROM rt_box3d_test
WHERE
box3d(rast)::text != env::text;
SELECT
id,
env as expected,
box3d(st_convexhull(rast)) as obtained
FROM rt_box3d_test
WHERE
box3d(st_convexhull(rast))::text != env::text;
SELECT
id,
env as expected,
box3d(st_envelope(rast)) as obtained
FROM rt_box3d_test
WHERE
box3d(st_envelope(rast))::text != env::text;
-- Cleanup
DROP TABLE rt_box3d_test;
|
