|
| 1 | +-- |
| 2 | +-- Test earth distance functions |
| 3 | +-- |
| 4 | +-- |
| 5 | +-- first, define the datatype. Turn off echoing so that expected file |
| 6 | +-- does not depend on contents of earthdistance.sql or cube.sql. |
| 7 | +-- |
| 8 | +\set ECHO none |
| 9 | +-- |
| 10 | +-- Test getting the distance between two points using geo_distance. |
| 11 | +-- |
| 12 | +select geo_distance('(0,0)'::point,'(0,0)'::point)::numeric(20,5); |
| 13 | + geo_distance |
| 14 | +-------------- |
| 15 | + 0.00000 |
| 16 | +(1 row) |
| 17 | + |
| 18 | +select geo_distance('(0,0)'::point,'(180,0)'::point)::numeric(20,5); |
| 19 | + geo_distance |
| 20 | +-------------- |
| 21 | + 12436.77274 |
| 22 | +(1 row) |
| 23 | + |
| 24 | +select geo_distance('(0,0)'::point,'(0,90)'::point)::numeric(20,5); |
| 25 | + geo_distance |
| 26 | +-------------- |
| 27 | + 6218.38637 |
| 28 | +(1 row) |
| 29 | + |
| 30 | +select geo_distance('(0,0)'::point,'(90,0)'::point)::numeric(20,5); |
| 31 | + geo_distance |
| 32 | +-------------- |
| 33 | + 6218.38637 |
| 34 | +(1 row) |
| 35 | + |
| 36 | +select geo_distance('(0,0)'::point,'(1,0)'::point)::numeric(20,5); |
| 37 | + geo_distance |
| 38 | +-------------- |
| 39 | + 69.09318 |
| 40 | +(1 row) |
| 41 | + |
| 42 | +select geo_distance('(0,0)'::point,'(0,1)'::point)::numeric(20,5); |
| 43 | + geo_distance |
| 44 | +-------------- |
| 45 | + 69.09318 |
| 46 | +(1 row) |
| 47 | + |
| 48 | +select geo_distance('(0,30)'::point,'(1,30)'::point)::numeric(20,5); |
| 49 | + geo_distance |
| 50 | +-------------- |
| 51 | + 59.83626 |
| 52 | +(1 row) |
| 53 | + |
| 54 | +select geo_distance('(0,30)'::point,'(0,31)'::point)::numeric(20,5); |
| 55 | + geo_distance |
| 56 | +-------------- |
| 57 | + 69.09318 |
| 58 | +(1 row) |
| 59 | + |
| 60 | +select geo_distance('(0,60)'::point,'(1,60)'::point)::numeric(20,5); |
| 61 | + geo_distance |
| 62 | +-------------- |
| 63 | + 34.54626 |
| 64 | +(1 row) |
| 65 | + |
| 66 | +select geo_distance('(0,60)'::point,'(0,61)'::point)::numeric(20,5); |
| 67 | + geo_distance |
| 68 | +-------------- |
| 69 | + 69.09318 |
| 70 | +(1 row) |
| 71 | + |
| 72 | +select geo_distance('(87.6,41.8)'::point,'(106.7,35.1)'::point)::numeric(20,5); |
| 73 | + geo_distance |
| 74 | +-------------- |
| 75 | + 1129.18983 |
| 76 | +(1 row) |
| 77 | + |
| 78 | +select (geo_distance('(87.6,41.8)'::point,'(106.7,35.1)'::point)*5280.*12.*2.54/100.)::numeric(20,5); |
| 79 | + numeric |
| 80 | +--------------- |
| 81 | + 1817254.87730 |
| 82 | +(1 row) |
| 83 | + |
| 84 | +-- |
| 85 | +-- Test getting the distance between two points using the <@> operator. |
| 86 | +-- |
| 87 | +select ('(0,0)'::point <@> '(0,0)'::point)::numeric(20,5); |
| 88 | + numeric |
| 89 | +--------- |
| 90 | + 0.00000 |
| 91 | +(1 row) |
| 92 | + |
| 93 | +select ('(0,0)'::point <@> '(180,0)'::point)::numeric(20,5); |
| 94 | + numeric |
| 95 | +------------- |
| 96 | + 12436.77274 |
| 97 | +(1 row) |
| 98 | + |
| 99 | +select ('(0,0)'::point <@> '(0,90)'::point)::numeric(20,5); |
| 100 | + numeric |
| 101 | +------------ |
| 102 | + 6218.38637 |
| 103 | +(1 row) |
| 104 | + |
| 105 | +select ('(0,0)'::point <@> '(90,0)'::point)::numeric(20,5); |
| 106 | + numeric |
| 107 | +------------ |
| 108 | + 6218.38637 |
| 109 | +(1 row) |
| 110 | + |
| 111 | +select ('(0,0)'::point <@> '(1,0)'::point)::numeric(20,5); |
| 112 | + numeric |
| 113 | +---------- |
| 114 | + 69.09318 |
| 115 | +(1 row) |
| 116 | + |
| 117 | +select ('(0,0)'::point <@> '(0,1)'::point)::numeric(20,5); |
| 118 | + numeric |
| 119 | +---------- |
| 120 | + 69.09318 |
| 121 | +(1 row) |
| 122 | + |
| 123 | +select ('(0,30)'::point <@> '(1,30)'::point)::numeric(20,5); |
| 124 | + numeric |
| 125 | +---------- |
| 126 | + 59.83626 |
| 127 | +(1 row) |
| 128 | + |
| 129 | +select ('(0,30)'::point <@> '(0,31)'::point)::numeric(20,5); |
| 130 | + numeric |
| 131 | +---------- |
| 132 | + 69.09318 |
| 133 | +(1 row) |
| 134 | + |
| 135 | +select ('(0,60)'::point <@> '(1,60)'::point)::numeric(20,5); |
| 136 | + numeric |
| 137 | +---------- |
| 138 | + 34.54626 |
| 139 | +(1 row) |
| 140 | + |
| 141 | +select ('(0,60)'::point <@> '(0,61)'::point)::numeric(20,5); |
| 142 | + numeric |
| 143 | +---------- |
| 144 | + 69.09318 |
| 145 | +(1 row) |
| 146 | + |
| 147 | +select ('(87.6,41.8)'::point <@> '(106.7,35.1)'::point)::numeric(20,5); |
| 148 | + numeric |
| 149 | +------------ |
| 150 | + 1129.18983 |
| 151 | +(1 row) |
| 152 | + |
| 153 | +select (('(87.6,41.8)'::point <@> '(106.7,35.1)'::point)*5280.*12.*2.54/100.)::numeric(20,5); |
| 154 | + numeric |
| 155 | +--------------- |
| 156 | + 1817254.87730 |
| 157 | +(1 row) |
| 158 | + |