src/test/regress/expected/geometry_2.out

   1 --
   2 -- GEOMETRY
   3 --
   4 -- Back off displayed precision a little bit to reduce platform-to-platform
   5 -- variation in results.
   6 SET extra_float_digits TO -3;
   7 --
   8 -- Points
   9 --
  10 SELECT '' AS four, center(f1) AS center
  11    FROM BOX_TBL;
  12  four | center
  13 ------+---------
  14       | (1,1)
  15       | (2,2)
  16       | (2.5,3)
  17       | (3,3)
  18 (4 rows)
  19
  20 SELECT '' AS four, (@@ f1) AS center
  21    FROM BOX_TBL;
  22  four | center
  23 ------+---------
  24       | (1,1)
  25       | (2,2)
  26       | (2.5,3)
  27       | (3,3)
  28 (4 rows)
  29
  30 SELECT '' AS six, point(f1) AS center
  31    FROM CIRCLE_TBL;
  32  six |  center
  33 -----+-----------
  34      | (5,1)
  35      | (1,2)
  36      | (1,3)
  37      | (1,2)
  38      | (100,200)
  39      | (100,1)
  40 (6 rows)
  41
  42 SELECT '' AS six, (@@ f1) AS center
  43    FROM CIRCLE_TBL;
  44  six |  center
  45 -----+-----------
  46      | (5,1)
  47      | (1,2)
  48      | (1,3)
  49      | (1,2)
  50      | (100,200)
  51      | (100,1)
  52 (6 rows)
  53
  54 SELECT '' AS two, (@@ f1) AS center
  55    FROM POLYGON_TBL
  56    WHERE (# f1) > 2;
  57  two |            center
  58 -----+-------------------------------
  59      | (1.33333333333,1.33333333333)
  60      | (2.33333333333,1.33333333333)
  61 (2 rows)
  62
  63 -- "is horizontal" function
  64 SELECT '' AS two, p1.f1
  65    FROM POINT_TBL p1
  66    WHERE ishorizontal(p1.f1, point '(0,0)');
  67  two |   f1
  68 -----+---------
  69      | (0,0)
  70      | (-10,0)
  71 (2 rows)
  72
  73 -- "is horizontal" operator
  74 SELECT '' AS two, p1.f1
  75    FROM POINT_TBL p1
  76    WHERE p1.f1 ?- point '(0,0)';
  77  two |   f1
  78 -----+---------
  79      | (0,0)
  80      | (-10,0)
  81 (2 rows)
  82
  83 -- "is vertical" function
  84 SELECT '' AS one, p1.f1
  85    FROM POINT_TBL p1
  86    WHERE isvertical(p1.f1, point '(5.1,34.5)');
  87  one |     f1
  88 -----+------------
  89      | (5.1,34.5)
  90 (1 row)
  91
  92 -- "is vertical" operator
  93 SELECT '' AS one, p1.f1
  94    FROM POINT_TBL p1
  95    WHERE p1.f1 ?| point '(5.1,34.5)';
  96  one |     f1
  97 -----+------------
  98      | (5.1,34.5)
  99 (1 row)
 100
 101 --
 102 -- Line segments
 103 --
 104 -- intersection
 105 SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection
 106    FROM LSEG_TBL l, POINT_TBL p;
 107 ERROR:  operator does not exist: lseg # point
 108 LINE 1: SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection
 109                                            ^
 110 HINT:  No operator matches the given name and argument type(s). You might need to add explicit type casts.
 111 -- closest point
 112 SELECT '' AS thirty, p.f1, l.s, p.f1 ## l.s AS closest
 113    FROM LSEG_TBL l, POINT_TBL p;
 114  thirty |     f1     |               s               |             closest
 115 --------+------------+-------------------------------+----------------------------------
 116         | (0,0)      | [(1,2),(3,4)]                 | (1,2)
 117         | (0,0)      | [(0,0),(6,6)]                 | (0,0)
 118         | (0,0)      | [(10,-10),(-3,-4)]            | (-2.0487804878,-4.43902439024)
 119         | (0,0)      | [(-1000000,200),(300000,-40)] | (0.00284023658959,15.3846148603)
 120         | (0,0)      | [(11,22),(33,44)]             | (11,22)
 121         | (-10,0)    | [(1,2),(3,4)]                 | (1,2)
 122         | (-10,0)    | [(0,0),(6,6)]                 | (0,0)
 123         | (-10,0)    | [(10,-10),(-3,-4)]            | (-3,-4)
 124         | (-10,0)    | [(-1000000,200),(300000,-40)] | (-9.99715942258,15.386461014)
 125         | (-10,0)    | [(11,22),(33,44)]             | (11,22)
 126         | (-3,4)     | [(1,2),(3,4)]                 | (1,2)
 127         | (-3,4)     | [(0,0),(6,6)]                 | (0.5,0.5)
 128         | (-3,4)     | [(10,-10),(-3,-4)]            | (-3,-4)
 129         | (-3,4)     | [(-1000000,200),(300000,-40)] | (-2.99789812268,15.3851688427)
 130         | (-3,4)     | [(11,22),(33,44)]             | (11,22)
 131         | (5.1,34.5) | [(1,2),(3,4)]                 | (3,4)
 132         | (5.1,34.5) | [(0,0),(6,6)]                 | (6,6)
 133         | (5.1,34.5) | [(10,-10),(-3,-4)]            | (-3,-4)
 134         | (5.1,34.5) | [(-1000000,200),(300000,-40)] | (5.09647083221,15.3836744977)
 135         | (5.1,34.5) | [(11,22),(33,44)]             | (14.3,25.3)
 136         | (-5,-12)   | [(1,2),(3,4)]                 | (1,2)
 137         | (-5,-12)   | [(0,0),(6,6)]                 | (0,0)
 138         | (-5,-12)   | [(10,-10),(-3,-4)]            | (-1.60487804878,-4.64390243902)
 139         | (-5,-12)   | [(-1000000,200),(300000,-40)] | (-4.99494420846,15.3855375282)
 140         | (-5,-12)   | [(11,22),(33,44)]             | (11,22)
 141         | (10,10)    | [(1,2),(3,4)]                 | (3,4)
 142         | (10,10)    | [(0,0),(6,6)]                 | (6,6)
 143         | (10,10)    | [(10,-10),(-3,-4)]            | (2.39024390244,-6.48780487805)
 144         | (10,10)    | [(-1000000,200),(300000,-40)] | (10.000993742,15.3827690473)
 145         | (10,10)    | [(11,22),(33,44)]             | (11,22)
 146 (30 rows)
 147
 148 --
 149 -- Lines
 150 --
 151 --
 152 -- Boxes
 153 --
 154 SELECT '' as six, box(f1) AS box FROM CIRCLE_TBL;
 155  six |                              box
 156 -----+----------------------------------------------------------------
 157      | (7.12132034356,3.12132034356),(2.87867965644,-1.12132034356)
 158      | (71.7106781187,72.7106781187),(-69.7106781187,-68.7106781187)
 159      | (4.53553390593,6.53553390593),(-2.53553390593,-0.535533905933)
 160      | (3.12132034356,4.12132034356),(-1.12132034356,-0.12132034356)
 161      | (107.071067812,207.071067812),(92.9289321881,192.928932188)
 162      | (181.317279836,82.3172798365),(18.6827201635,-80.3172798365)
 163 (6 rows)
 164
 165 -- translation
 166 SELECT '' AS twentyfour, b.f1 + p.f1 AS translation
 167    FROM BOX_TBL b, POINT_TBL p;
 168  twentyfour |       translation
 169 ------------+-------------------------
 170             | (2,2),(0,0)
 171             | (3,3),(1,1)
 172             | (2.5,3.5),(2.5,2.5)
 173             | (3,3),(3,3)
 174             | (-8,2),(-10,0)
 175             | (-7,3),(-9,1)
 176             | (-7.5,3.5),(-7.5,2.5)
 177             | (-7,3),(-7,3)
 178             | (-1,6),(-3,4)
 179             | (0,7),(-2,5)
 180             | (-0.5,7.5),(-0.5,6.5)
 181             | (0,7),(0,7)
 182             | (7.1,36.5),(5.1,34.5)
 183             | (8.1,37.5),(6.1,35.5)
 184             | (7.6,38),(7.6,37)
 185             | (8.1,37.5),(8.1,37.5)
 186             | (-3,-10),(-5,-12)
 187             | (-2,-9),(-4,-11)
 188             | (-2.5,-8.5),(-2.5,-9.5)
 189             | (-2,-9),(-2,-9)
 190             | (12,12),(10,10)
 191             | (13,13),(11,11)
 192             | (12.5,13.5),(12.5,12.5)
 193             | (13,13),(13,13)
 194 (24 rows)
 195
 196 SELECT '' AS twentyfour, b.f1 - p.f1 AS translation
 197    FROM BOX_TBL b, POINT_TBL p;
 198  twentyfour |        translation
 199 ------------+---------------------------
 200             | (2,2),(0,0)
 201             | (3,3),(1,1)
 202             | (2.5,3.5),(2.5,2.5)
 203             | (3,3),(3,3)
 204             | (12,2),(10,0)
 205             | (13,3),(11,1)
 206             | (12.5,3.5),(12.5,2.5)
 207             | (13,3),(13,3)
 208             | (5,-2),(3,-4)
 209             | (6,-1),(4,-3)
 210             | (5.5,-0.5),(5.5,-1.5)
 211             | (6,-1),(6,-1)
 212             | (-3.1,-32.5),(-5.1,-34.5)
 213             | (-2.1,-31.5),(-4.1,-33.5)
 214             | (-2.6,-31),(-2.6,-32)
 215             | (-2.1,-31.5),(-2.1,-31.5)
 216             | (7,14),(5,12)
 217             | (8,15),(6,13)
 218             | (7.5,15.5),(7.5,14.5)
 219             | (8,15),(8,15)
 220             | (-8,-8),(-10,-10)
 221             | (-7,-7),(-9,-9)
 222             | (-7.5,-6.5),(-7.5,-7.5)
 223             | (-7,-7),(-7,-7)
 224 (24 rows)
 225
 226 -- scaling and rotation
 227 SELECT '' AS twentyfour, b.f1 * p.f1 AS rotation
 228    FROM BOX_TBL b, POINT_TBL p;
 229  twentyfour |          rotation
 230 ------------+-----------------------------
 231             | (0,0),(0,0)
 232             | (0,0),(0,0)
 233             | (0,0),(0,0)
 234             | (0,0),(0,0)
 235             | (-0,0),(-20,-20)
 236             | (-10,-10),(-30,-30)
 237             | (-25,-25),(-25,-35)
 238             | (-30,-30),(-30,-30)
 239             | (-0,2),(-14,0)
 240             | (-7,3),(-21,1)
 241             | (-17.5,2.5),(-21.5,-0.5)
 242             | (-21,3),(-21,3)
 243             | (0,79.2),(-58.8,0)
 244             | (-29.4,118.8),(-88.2,39.6)
 245             | (-73.5,104.1),(-108,99)
 246             | (-88.2,118.8),(-88.2,118.8)
 247             | (14,-0),(0,-34)
 248             | (21,-17),(7,-51)
 249             | (29.5,-42.5),(17.5,-47.5)
 250             | (21,-51),(21,-51)
 251             | (0,40),(0,0)
 252             | (0,60),(0,20)
 253             | (0,60),(-10,50)
 254             | (0,60),(0,60)
 255 (24 rows)
 256
 257 SELECT '' AS twenty, b.f1 / p.f1 AS rotation
 258    FROM BOX_TBL b, POINT_TBL p
 259    WHERE (p.f1 <-> point '(0,0)') >= 1;
 260  twenty |                               rotation
 261 --------+----------------------------------------------------------------------
 262         | (0,-0),(-0.2,-0.2)
 263         | (-0.1,-0.1),(-0.3,-0.3)
 264         | (-0.25,-0.25),(-0.25,-0.35)
 265         | (-0.3,-0.3),(-0.3,-0.3)
 266         | (0.08,-0),(0,-0.56)
 267         | (0.12,-0.28),(0.04,-0.84)
 268         | (0.26,-0.7),(0.1,-0.82)
 269         | (0.12,-0.84),(0.12,-0.84)
 270         | (0.0651176557644,0),(0,-0.0483449262493)
 271         | (0.0976764836466,-0.0241724631247),(0.0325588278822,-0.072517389374)
 272         | (0.109762715209,-0.0562379754329),(0.0813970697055,-0.0604311578117)
 273         | (0.0976764836466,-0.072517389374),(0.0976764836466,-0.072517389374)
 274         | (-0,0.0828402366864),(-0.201183431953,0)
 275         | (-0.100591715976,0.12426035503),(-0.301775147929,0.0414201183432)
 276         | (-0.251479289941,0.103550295858),(-0.322485207101,0.0739644970414)
 277         | (-0.301775147929,0.12426035503),(-0.301775147929,0.12426035503)
 278         | (0.2,0),(0,0)
 279         | (0.3,0),(0.1,0)
 280         | (0.3,0.05),(0.25,0)
 281         | (0.3,0),(0.3,0)
 282 (20 rows)
 283
 284 --
 285 -- Paths
 286 --
 287 SELECT '' AS eight, npoints(f1) AS npoints, f1 AS path FROM PATH_TBL;
 288  eight | npoints |           path
 289 -------+---------+---------------------------
 290        |       2 | [(1,2),(3,4)]
 291        |       2 | ((1,2),(3,4))
 292        |       4 | [(0,0),(3,0),(4,5),(1,6)]
 293        |       2 | ((1,2),(3,4))
 294        |       2 | ((1,2),(3,4))
 295        |       2 | [(1,2),(3,4)]
 296        |       2 | [(11,12),(13,14)]
 297        |       2 | ((11,12),(13,14))
 298 (8 rows)
 299
 300 SELECT '' AS four, path(f1) FROM POLYGON_TBL;
 301  four |        path
 302 ------+---------------------
 303       | ((2,0),(2,4),(0,0))
 304       | ((3,1),(3,3),(1,0))
 305       | ((0,0))
 306       | ((0,1),(0,1))
 307 (4 rows)
 308
 309 -- translation
 310 SELECT '' AS eight, p1.f1 + point '(10,10)' AS dist_add
 311    FROM PATH_TBL p1;
 312  eight |             dist_add
 313 -------+-----------------------------------
 314        | [(11,12),(13,14)]
 315        | ((11,12),(13,14))
 316        | [(10,10),(13,10),(14,15),(11,16)]
 317        | ((11,12),(13,14))
 318        | ((11,12),(13,14))
 319        | [(11,12),(13,14)]
 320        | [(21,22),(23,24)]
 321        | ((21,22),(23,24))
 322 (8 rows)
 323
 324 -- scaling and rotation
 325 SELECT '' AS eight, p1.f1 * point '(2,-1)' AS dist_mul
 326    FROM PATH_TBL p1;
 327  eight |           dist_mul
 328 -------+------------------------------
 329        | [(4,3),(10,5)]
 330        | ((4,3),(10,5))
 331        | [(0,0),(6,-3),(13,6),(8,11)]
 332        | ((4,3),(10,5))
 333        | ((4,3),(10,5))
 334        | [(4,3),(10,5)]
 335        | [(34,13),(40,15)]
 336        | ((34,13),(40,15))
 337 (8 rows)
 338
 339 --
 340 -- Polygons
 341 --
 342 -- containment
 343 SELECT '' AS twentyfour, p.f1, poly.f1, poly.f1 @> p.f1 AS contains
 344    FROM POLYGON_TBL poly, POINT_TBL p;
 345  twentyfour |     f1     |         f1          | contains
 346 ------------+------------+---------------------+----------
 347             | (0,0)      | ((2,0),(2,4),(0,0)) | t
 348             | (0,0)      | ((3,1),(3,3),(1,0)) | f
 349             | (0,0)      | ((0,0))             | t
 350             | (0,0)      | ((0,1),(0,1))       | f
 351             | (-10,0)    | ((2,0),(2,4),(0,0)) | f
 352             | (-10,0)    | ((3,1),(3,3),(1,0)) | f
 353             | (-10,0)    | ((0,0))             | f
 354             | (-10,0)    | ((0,1),(0,1))       | f
 355             | (-3,4)     | ((2,0),(2,4),(0,0)) | f
 356             | (-3,4)     | ((3,1),(3,3),(1,0)) | f
 357             | (-3,4)     | ((0,0))             | f
 358             | (-3,4)     | ((0,1),(0,1))       | f
 359             | (5.1,34.5) | ((2,0),(2,4),(0,0)) | f
 360             | (5.1,34.5) | ((3,1),(3,3),(1,0)) | f
 361             | (5.1,34.5) | ((0,0))             | f
 362             | (5.1,34.5) | ((0,1),(0,1))       | f
 363             | (-5,-12)   | ((2,0),(2,4),(0,0)) | f
 364             | (-5,-12)   | ((3,1),(3,3),(1,0)) | f
 365             | (-5,-12)   | ((0,0))             | f
 366             | (-5,-12)   | ((0,1),(0,1))       | f
 367             | (10,10)    | ((2,0),(2,4),(0,0)) | f
 368             | (10,10)    | ((3,1),(3,3),(1,0)) | f
 369             | (10,10)    | ((0,0))             | f
 370             | (10,10)    | ((0,1),(0,1))       | f
 371 (24 rows)
 372
 373 SELECT '' AS twentyfour, p.f1, poly.f1, p.f1 <@ poly.f1 AS contained
 374    FROM POLYGON_TBL poly, POINT_TBL p;
 375  twentyfour |     f1     |         f1          | contained
 376 ------------+------------+---------------------+-----------
 377             | (0,0)      | ((2,0),(2,4),(0,0)) | t
 378             | (0,0)      | ((3,1),(3,3),(1,0)) | f
 379             | (0,0)      | ((0,0))             | t
 380             | (0,0)      | ((0,1),(0,1))       | f
 381             | (-10,0)    | ((2,0),(2,4),(0,0)) | f
 382             | (-10,0)    | ((3,1),(3,3),(1,0)) | f
 383             | (-10,0)    | ((0,0))             | f
 384             | (-10,0)    | ((0,1),(0,1))       | f
 385             | (-3,4)     | ((2,0),(2,4),(0,0)) | f
 386             | (-3,4)     | ((3,1),(3,3),(1,0)) | f
 387             | (-3,4)     | ((0,0))             | f
 388             | (-3,4)     | ((0,1),(0,1))       | f
 389             | (5.1,34.5) | ((2,0),(2,4),(0,0)) | f
 390             | (5.1,34.5) | ((3,1),(3,3),(1,0)) | f
 391             | (5.1,34.5) | ((0,0))             | f
 392             | (5.1,34.5) | ((0,1),(0,1))       | f
 393             | (-5,-12)   | ((2,0),(2,4),(0,0)) | f
 394             | (-5,-12)   | ((3,1),(3,3),(1,0)) | f
 395             | (-5,-12)   | ((0,0))             | f
 396             | (-5,-12)   | ((0,1),(0,1))       | f
 397             | (10,10)    | ((2,0),(2,4),(0,0)) | f
 398             | (10,10)    | ((3,1),(3,3),(1,0)) | f
 399             | (10,10)    | ((0,0))             | f
 400             | (10,10)    | ((0,1),(0,1))       | f
 401 (24 rows)
 402
 403 SELECT '' AS four, npoints(f1) AS npoints, f1 AS polygon
 404    FROM POLYGON_TBL;
 405  four | npoints |       polygon
 406 ------+---------+---------------------
 407       |       3 | ((2,0),(2,4),(0,0))
 408       |       3 | ((3,1),(3,3),(1,0))
 409       |       1 | ((0,0))
 410       |       2 | ((0,1),(0,1))
 411 (4 rows)
 412
 413 SELECT '' AS four, polygon(f1)
 414    FROM BOX_TBL;
 415  four |                  polygon
 416 ------+-------------------------------------------
 417       | ((0,0),(0,2),(2,2),(2,0))
 418       | ((1,1),(1,3),(3,3),(3,1))
 419       | ((2.5,2.5),(2.5,3.5),(2.5,3.5),(2.5,2.5))
 420       | ((3,3),(3,3),(3,3),(3,3))
 421 (4 rows)
 422
 423 SELECT '' AS four, polygon(f1)
 424    FROM PATH_TBL WHERE isclosed(f1);
 425  four |      polygon
 426 ------+-------------------
 427       | ((1,2),(3,4))
 428       | ((1,2),(3,4))
 429       | ((1,2),(3,4))
 430       | ((11,12),(13,14))
 431 (4 rows)
 432
 433 SELECT '' AS four, f1 AS open_path, polygon( pclose(f1)) AS polygon
 434    FROM PATH_TBL
 435    WHERE isopen(f1);
 436  four |         open_path         |          polygon
 437 ------+---------------------------+---------------------------
 438       | [(1,2),(3,4)]             | ((1,2),(3,4))
 439       | [(0,0),(3,0),(4,5),(1,6)] | ((0,0),(3,0),(4,5),(1,6))
 440       | [(1,2),(3,4)]             | ((1,2),(3,4))
 441       | [(11,12),(13,14)]         | ((11,12),(13,14))
 442 (4 rows)
 443
 444 -- convert circles to polygons using the default number of points
 445 SELECT '' AS six, polygon(f1)
 446    FROM CIRCLE_TBL;
 447  six |                                                                                                       polygon
 448 -----+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 449      | ((2,1),(2.40192378865,2.5),(3.5,3.59807621135),(5,4),(6.5,3.59807621135),(7.59807621135,2.5),(8,1),(7.59807621135,-0.5),(6.5,-1.59807621135),(5,-2),(3.5,-1.59807621135),(2.40192378865,-0.5))
 450      | ((-99,2),(-85.6025403784,52),(-49,88.6025403784),(1,102),(51,88.6025403784),(87.6025403784,52),(101,2),(87.6025403784,-48),(51,-84.6025403784),(1,-98),(-49,-84.6025403784),(-85.6025403784,-48))
 451      | ((-4,3),(-3.33012701892,5.5),(-1.5,7.33012701892),(1,8),(3.5,7.33012701892),(5.33012701892,5.5),(6,3),(5.33012701892,0.5),(3.5,-1.33012701892),(1,-2),(-1.5,-1.33012701892),(-3.33012701892,0.5))
 452      | ((-2,2),(-1.59807621135,3.5),(-0.5,4.59807621135),(1,5),(2.5,4.59807621135),(3.59807621135,3.5),(4,2),(3.59807621135,0.5),(2.5,-0.598076211353),(1,-1),(-0.5,-0.598076211353),(-1.59807621135,0.5))
 453      | ((90,200),(91.3397459622,205),(95,208.660254038),(100,210),(105,208.660254038),(108.660254038,205),(110,200),(108.660254038,195),(105,191.339745962),(100,190),(95,191.339745962),(91.3397459622,195))
 454      | ((-15,1),(0.40707856479,58.5),(42.5,100.592921435),(100,116),(157.5,100.592921435),(199.592921435,58.5),(215,1),(199.592921435,-56.5),(157.5,-98.5929214352),(100,-114),(42.5,-98.5929214352),(0.40707856479,-56.5))
 455 (6 rows)
 456
 457 -- convert the circle to an 8-point polygon
 458 SELECT '' AS six, polygon(8, f1)
 459    FROM CIRCLE_TBL;
 460  six |                                                                             polygon
 461 -----+------------------------------------------------------------------------------------------------------------------------------------------------------------------
 462      | ((2,1),(2.87867965644,3.12132034356),(5,4),(7.12132034356,3.12132034356),(8,1),(7.12132034356,-1.12132034356),(5,-2),(2.87867965644,-1.12132034356))
 463      | ((-99,2),(-69.7106781187,72.7106781187),(1,102),(71.7106781187,72.7106781187),(101,2),(71.7106781187,-68.7106781187),(1,-98),(-69.7106781187,-68.7106781187))
 464      | ((-4,3),(-2.53553390593,6.53553390593),(1,8),(4.53553390593,6.53553390593),(6,3),(4.53553390593,-0.535533905933),(1,-2),(-2.53553390593,-0.535533905933))
 465      | ((-2,2),(-1.12132034356,4.12132034356),(1,5),(3.12132034356,4.12132034356),(4,2),(3.12132034356,-0.12132034356),(1,-1),(-1.12132034356,-0.12132034356))
 466      | ((90,200),(92.9289321881,207.071067812),(100,210),(107.071067812,207.071067812),(110,200),(107.071067812,192.928932188),(100,190),(92.9289321881,192.928932188))
 467      | ((-15,1),(18.6827201635,82.3172798365),(100,116),(181.317279836,82.3172798365),(215,1),(181.317279836,-80.3172798365),(100,-114),(18.6827201635,-80.3172798365))
 468 (6 rows)
 469
 470 --
 471 -- Circles
 472 --
 473 SELECT '' AS six, circle(f1, 50.0)
 474    FROM POINT_TBL;
 475  six |     circle
 476 -----+-----------------
 477      | <(0,0),50>
 478      | <(-10,0),50>
 479      | <(-3,4),50>
 480      | <(5.1,34.5),50>
 481      | <(-5,-12),50>
 482      | <(10,10),50>
 483 (6 rows)
 484
 485 SELECT '' AS four, circle(f1)
 486    FROM BOX_TBL;
 487  four |        circle
 488 ------+-----------------------
 489       | <(1,1),1.41421356237>
 490       | <(2,2),1.41421356237>
 491       | <(2.5,3),0.5>
 492       | <(3,3),0>
 493 (4 rows)
 494
 495 SELECT '' AS two, circle(f1)
 496    FROM POLYGON_TBL
 497    WHERE (# f1) >= 3;
 498  two |                    circle
 499 -----+-----------------------------------------------
 500      | <(1.33333333333,1.33333333333),2.04168905064>
 501      | <(2.33333333333,1.33333333333),1.47534300379>
 502 (2 rows)
 503
 504 SELECT '' AS twentyfour, c1.f1 AS circle, p1.f1 AS point, (p1.f1 <-> c1.f1) AS distance
 505    FROM CIRCLE_TBL c1, POINT_TBL p1
 506    WHERE (p1.f1 <-> c1.f1) > 0
 507    ORDER BY distance, area(c1.f1), p1.f1[0];
 508  twentyfour |     circle     |   point    |   distance
 509 ------------+----------------+------------+---------------
 510             | <(1,2),3>      | (-3,4)     |   1.472135955
 511             | <(5,1),3>      | (0,0)      | 2.09901951359
 512             | <(5,1),3>      | (-3,4)     | 5.54400374532
 513             | <(1,3),5>      | (-10,0)    | 6.40175425099
 514             | <(1,3),5>      | (10,10)    | 6.40175425099
 515             | <(5,1),3>      | (10,10)    | 7.29563014099
 516             | <(1,2),3>      | (-10,0)    |  8.1803398875
 517             | <(1,2),3>      | (10,10)    | 9.04159457879
 518             | <(1,3),5>      | (-5,-12)   | 11.1554944214
 519             | <(5,1),3>      | (-10,0)    | 12.0332963784
 520             | <(1,2),3>      | (-5,-12)   | 12.2315462117
 521             | <(5,1),3>      | (-5,-12)   | 13.4012194669
 522             | <(1,3),5>      | (5.1,34.5) | 26.7657047773
 523             | <(1,2),3>      | (5.1,34.5) | 29.7575945393
 524             | <(5,1),3>      | (5.1,34.5) | 30.5001492534
 525             | <(100,200),10> | (5.1,34.5) | 180.778038568
 526             | <(100,200),10> | (10,10)    | 200.237960416
 527             | <(100,200),10> | (-3,4)     | 211.415898255
 528             | <(100,200),10> | (0,0)      |  213.60679775
 529             | <(100,200),10> | (-10,0)    |  218.25424421
 530             | <(100,200),10> | (-5,-12)   | 226.577682802
 531 (21 rows)
 532