[postgis-tickets] [PostGIS] #4289: A multipolygon is inverted in ST_AsMVTGeom in some cases

PostGIS trac at osgeo.org
Thu Jan 10 01:44:00 PST 2019


#4289: A multipolygon is inverted in ST_AsMVTGeom in some cases
----------------------+---------------------------
  Reporter:  ajolma   |      Owner:  Algunenano
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 2.4.7
 Component:  postgis  |    Version:  trunk
Resolution:           |   Keywords:  vector tile
----------------------+---------------------------

Comment (by ajolma):

 Just to note that I've been testing Geoserver for this dataset too and its
 vector tiler (java-vector-tile, after upgrading to 1.3.4) does not have
 problem with this multipolygon. java-vector-tile uses JTS. Its result is:

 {{{
 MULTIPOLYGON (((4096.0 2481.66666666667,4094 2483,4088 2487,4077 2493,4062
 2501,4051 2508,4043 2513,4032 2522,4029 2524,4025 2527,4014 2532,4005
 2538,4000 2541,3997 2542,3992 2544,3986 2546,3983 2546,3980 2547,3963
 2548,3959 2548,3956 2548,3951 2550,3947 2551,3942 2553,3935 2557,3931
 2559,3926 2562,3922 2566,3919 2569,3908 2580,3903 2585,3900 2591,3890
 2609,3887 2614,3883 2620,3879 2625,3876 2628,3851 2653,3844 2660,3827
 2682,3814 2696,3809 2700,3807 2702,3804 2703,3802 2704,3800 2704,3794
 2703,3785 2701,3779 2700,3765 2694,3760 2692,3752 2690,3744 2689,3739
 2689,3735 2690,3723 2695,3719 2697,3716 2699,3714 2702,3710 2707,3709
 2710,3707 2713,3706 2718,3706 2721,3706 2732,3706 2741,3706 2745,3707
 2750,3710 2756,3711 2759,3711 2761,3710 2765,3707 2776,3705 2781,3703
 2786,3701 2789,3698 2792,3690 2799,3679 2811,3675 2815,3672 2817,3666
 2821,3661 2824,3646 2831,3603 2850,3597 2853,3593 2855,3586 2861,3574
 2871,3561 2883,3558 2886,3554 2888,3550 2891,3546 2893,3543 2894,3537
 2895,3533 2895,3529 2895,3526 2895,3522 2894,3518 2893,3515 2891,3514
 2890,3512 2889,3511 2887,3510 2886,3509 2883,3508 2881,3508 2878,3508
 2875,3508 2873,3509 2871,3509 2869,3513 2863,3514 2861,3515 2858,3515
 2856,3515 2854,3514 2850,3512 2845,3510 2841,3507 2834,3505 2831,3502
 2827,3499 2824,3497 2822,3487 2814,3482 2810,3479 2808,3477 2807,3474
 2806,3466 2804,3462 2803,3459 2803,3452 2804,3443 2806,3436 2807,3426
 2810,3423 2811,3419 2811,3413 2811,3396 2808,3393 2808,3388 2806,3382
 2804,3381 2803,3378 2801,3375 2798,3372 2795,3369 2789,3366 2784,3360
 2772,3355 2762,3352 2757,3347 2748,3340 2736,3339 2733,3335 2729,3326
 2722,3315 2711,3307 2704,3298 2697,3291 2690,3288 2687,3283 2683,3274
 2676,3272 2673,3271 2672,3271 2670,3271 2668,3272 2666,3284 2636,3295
 2605,3297 2600,3311 2571,3315 2564,3316 2561,3317 2558,3318 2554,3318
 2550,3318 2526,3318 2517,3318 2515,3317 2513,3315 2510,3313 2508,3309
 2505,3307 2504,3304 2503,3300 2501,3288 2500,3284 2499,3282 2497,3279
 2495,3275 2492,3265 2482,3260 2479,3257 2476,3252 2473,3247 2471,3245
 2471,3243 2471,3241 2472,3236 2476,3234 2477,3231 2478,3228 2479,3220
 2480,3218 2481,3210 2484,3208 2485,3206 2486,3203 2486,3200 2486,3199
 2485,3191 2481,3188 2480,3185 2480,3181 2480,3162 2484,3157 2485,3152
 2486,3150 2488,3148 2489,3146 2491,3137 2501,3134 2503,3132 2504,3130
 2505,3126 2506,3120 2507,3115 2507,3112 2506,3110 2504,3108 2501,3106
 2498,3104 2495,3103 2492,3102 2486,3102 2483,3101 2481,3100 2479,3096
 2476,3088 2469,3085 2466,3083 2463,3081 2459,3080 2455,3079 2452,3079
 2448,3080 2445,3081 2442,3085 2434,3086 2432,3087 2429,3087 2425,3086
 2417,3084 2409,3082 2404,3076 2392,3075 2388,3074 2383,3074 2378,3075
 2375,3076 2373,3081 2362,3084 2358,3086 2354,3088 2352,3095 2346,3097
 2344,3099 2341,3101 2336,3107 2323,3108 2320,3114 2297,3116 2289,3117
 2286,3119 2283,3124 2276,3126 2273,3127 2272,3129 2264,3133 2254,3134
 2251,3135 2248,3135 2245,3135 2243,3134 2241,3132 2237,3126 2226,3124
 2222,3121 2220,3119 2217,3115 2214,3102 2206,3097 2203,3092 2200,3075
 2185,3072 2184,3070 2182,3063 2179,3061 2177,3059 2176,3058 2174,3057
 2173,3056 2169,3054 2166,3052 2164,3051 2162,3047 2160,3043 2156,3038
 2153,3036 2152,3031 2150,3029 2150,3027 2149,3024 2146,3022 2145,3015
 2144,3011 2143,3007 2142,3000 2141,2997 2140,2995 2139,2994 2138,2991
 2133,2990 2131,2986 2129,2984 2128,2982 2127,2980 2127,2977 2127,2974
 2128,2970 2130,2963 2133,2958 2136,2954 2138,2952 2140,2951 2142,2950
 2144,2950 2147,2949 2156,2948 2159,2947 2161,2947 2163,2945 2165,2944
 2167,2941 2168,2939 2169,2936 2170,2933 2170,2930 2170,2926 2169,2923
 2168,2920 2166,2915 2163,2912 2160,2910 2158,2909 2156,2908 2153,2907
 2149,2907 2145,2907 2140,2908 2136,2913 2118,2914 2115,2916 2112,2917
 2109,2919 2107,2930 2095,2932 2092,2932 2089,2932 2087,2932 2085,2931
 2084,2929 2081,2928 2080,2926 2079,2924 2078,2922 2077,2919 2077,2916
 2077,2914 2077,2912 2078,2907 2081,2901 2086,2898 2089,2891 2094,2889
 2096,2887 2098,2885 2098,2881 2099,2875 2099,2867 2098,2860 2098,2855
 2097,2852 2096,2851 2095,2844 2092,2838 2089,2834 2086,2831 2085,2829
 2085,2827 2085,2824 2085,2822 2086,2821 2087,2819 2090,2818 2092,2817
 2094,2816 2096,2816 2098,2817 2100,2818 2102,2819 2105,2825 2112,2828
 2116,2831 2119,2833 2121,2841 2126,2843 2127,2847 2128,2848 2128,2849
 2129,2850 2130,2850 2131,2852 2136,2852 2138,2852 2141,2851 2143,2850
 2145,2849 2147,2847 2149,2845 2150,2844 2151,2841 2151,2838 2151,2832
 2149,2824 2148,2819 2146,2812 2144,2807 2141,2804 2140,2801 2137,2799
 2135,2797 2132,2791 2122,2789 2120,2788 2116,2785 2104,2784 2100,2784
 2098,2784 2093,2784 2088,2787 2074,2787 2069,2787 2062,2786 2057,2783
 2043,2781 2036,2778 2026,2776 2019,2775 2017,2773 2014,2771 2012,2767
 2010,2764 2008,2759 2007,2756 2007,2754 2007,2750 2007,2746 2009,2743
 2011,2723 2025,2710 2035,2703 2040,2698 2042,2689 2046,2684 2050,2682
 2050,2679 2051,2673 2051,2660 2053,2642 2055,2638 2055,2634 2055,2630
 2055,2619 2053,2614 2051,2611 2049,2609 2048,2606 2045,2595 2030,2591
 2026,2588 2023,2585 2021,2583 2020,2579 2019,2575 2018,2569 2017,2562
 2017,2546 2017,2539 2017,2537 2016,2533 2015,2529 2013,2525 2011,2522
 2009,2519 2005,2517 2002,2515 1999,2515 1996,2514 1993,2514 1991,2514
 1980,2513 1976,2512 1972,2511 1969,2508 1965,2507 1962,2503 1958,2500
 1955,2479 1936,2475 1932,2472 1930,2467 1927,2461 1924,2459 1923,2457
 1922,2456 1919,2454 1917,2453 1914,2453 1911,2453 1908,2453 1903,2457
 1886,2463 1864,2466 1854,2468 1848,2471 1844,2474 1839,2478 1836,2482
 1832,2487 1830,2491 1828,2494 1827,2504 1824,2508 1823,2513 1820,2516
 1817,2518 1815,2520 1813,2521 1811,2521 1807,2521 1803,2521 1799,2521
 1796,2520 1793,2518 1790,2516 1787,2513 1784,2503 1778,2502 1777,2500
 1776,2498 1776,2496 1776,2492 1776,2479 1779,2473 1780,2467 1780,2462
 1780,2456 1778,2439 1771,2429 1766,2425 1763,2421 1761,2418 1758,2415
 1754,2413 1750,2411 1748,2411 1746,2409 1736,2406 1727,2405 1725,2404
 1722,2403 1720,2401 1718,2390 1710,2386 1708,2383 1706,2379 1705,2375
 1704,2371 1703,2360 1702,2355 1701,2350 1700,2347 1699,2344 1697,2340
 1695,2335 1692,2317 1679,2314 1677,2305 1672,2303 1670,2301 1668,2299
 1666,2298 1664,2297 1657,2296 1655,2295 1652,2292 1650,2287 1644,2282
 1639,2280 1637,2278 1636,2272 1633,2261 1629,2248 1625,2237 1623,2227
 1621,2222 1620,2218 1620,2214 1621,2211 1622,2208 1624,2205 1626,2204
 1628,2201 1633,2194 1647,2192 1650,2189 1653,2185 1657,2181 1659,2176
 1661,2171 1663,2169 1663,2164 1664,2129 1664,2125 1663,2118 1662,2096
 1658,2091 1657,2086 1657,2079 1657,2067 1658,2063 1658,2058 1657,2054
 1656,2035 1651,2031 1650,2025 1647,2018 1644,2014 1641,2011 1639,2008
 1636,2004 1631,2001 1627,1999 1623,1998 1622,1997 1621,1962 1612,1951
 1608,1946 1606,1928 1597,1925 1595,1920 1592,1918 1590,1915 1587,1912
 1584,1910 1580,1909 1577,1907 1573,1906 1569,1906 1568,1900 1559,1898
 1556,1895 1554,1887 1550,1876 1543,1866 1536,1862 1534,1858 1533,1840
 1532,1835 1532,1831 1531,1828 1530,1823 1529,1813 1525,1811 1524,1808
 1524,1803 1523,1786 1523,1770 1521,1759 1521,1744 1520,1734 1521,1728
 1521,1724 1522,1709 1527,1705 1528,1702 1528,1691 1529,1677 1529,1665
 1530,1654 1530,1640 1529,1630 1529,1627 1529,1622 1528,1614 1526,1611
 1525,1610 1525,1607 1526,1603 1527,1601 1528,1600 1529,1600 1530,1599
 1532,1600 1538,1599 1548,1600 1555,1600 1558,1600 1560,1599 1563,1597
 1567,1590 1581,1587 1586,1585 1589,1583 1591,1579 1594,1576 1597,1570
 1601,1562 1606,1552 1611,1545 1614,1540 1616,1535 1617,1530 1618,1524
 1618,1510 1619,1500 1620,1495 1620,1489 1619,1483 1618,1467 1614,1464
 1614,1461 1614,1457 1614,1444 1614,1439 1614,1436 1615,1433 1616,1427
 1619,1422 1622,1418 1626,1415 1629,1412 1634,1410 1638,1408 1640,1407
 1644,1402 1657,1400 1664,1396 1671,1391 1677,1388 1681,1383 1685,1378
 1689,1369 1695,1364 1700,1358 1705,1357 1707,1351 1714,1345 1721,1342
 1724,1337 1727,1329 1731,1324 1732,1315 1733,1309 1734,1304 1734,1299
 1734,1295 1733,1292 1731,1288 1729,1281 1724,1278 1722,1274 1721,1269
 1719,1264 1718,1253 1717,1249 1717,1247 1717,1244 1718,1241 1719,1234
 1723,1230 1725,1227 1726,1221 1727,1217 1728,1214 1729,1208 1729,1205
 1728,1203 1734,1213 1733,1221 1731,1225 1730,1238 1723,1241 1722,1245
 1721,1249 1721,1252 1721,1264 1722,1266 1722,1275 1726,1276 1727,1277
 1728,1279 1729,1281 1731,1282 1732,1283 1735,1284 1737,1286 1738,1289
 1739,1292 1740,1297 1742,1298 1742,1302 1742,1307 1741,1310 1740,1313
 1738,1316 1739,1318 1739,1321 1737,1323 1737,1327 1736,1330 1735,1334
 1734,1336 1734,1345 1729,1347 1727,1352 1721,1362 1710,1364 1708,1376
 1698,1378 1696,1383 1693,1385 1691,1389 1687,1396 1680,1401 1672,1405
 1667,1406 1666,1406 1664,1407 1659,1408 1655,1409 1650,1410 1647,1411
 1643,1413 1640,1416 1635,1419 1631,1421 1629,1424 1628,1429 1624,1432
 1622,1434 1621,1437 1620,1440 1620,1441 1619,1443 1620,1444 1620,1446
 1622,1447 1622,1448 1622,1470 1786,1676 1758,1645 1534,1647 1535,1649
 1535,1658 1535,1666 1535,1678 1534,1688 1533,1698 1532,1712 1532,1713
 1531,1714 1529,1715 1529,1721 1528,1730 1526,1735 1525,1740 1524,1745
 1524,1756 1525,1778 1526,1799 1528,1807 1529,1811 1530,1830 1535,1833
 1536,1840 1536,1848 1537,1854 1537,1856 1538,1859 1539,1862 1541,1871
 1547,1873 1549,1876 1550,1883 1552,1889 1555,1893 1557,1894 1558,1895
 1559,1897 1562,1902 1570,1904 1576,1907 1585,1908 1588,1909 1589,1911
 1591,1913 1593,1920 1598,1925 1603,1928 1605,1932 1607,1936 1609,1949
 1612,1969 1619,1975 1620,1978 1621,1983 1622,1991 1624,1994 1625,1996
 1626,1997 1627,1998 1631,2000 1634,2002 1636,2008 1642,2032 1852,1706
 1996,1276 1945,1274 1946,1383 2268,1388 2276,1393 2283,1401 2290,1408
 2293,1424 2298,1455 2305,1475 2309,1495 2317,1623 2375,1650 2387,1663
 2394,1673 2401,1775 2479,1791 2490,1800 2498,1809 2504,1814 2508,1826
 2517,1847 2533,1881 2559,1900 2571,1971 2625,2032 2670,2035 2672,2038
 2672,2132 2649,2224 2626,2245 2622,2259 2623,2285 2627,2288 2627,2290
 2624,2296 2625,2296 2627,2298 2629,2321 2633,2350 2637,2530 2667,2723
 2699,2780 2708,2812 2714,3221 2781,3245 2785,3309 2796,3325 2797,3334
 2800,3341 2805,3352 2812,3369 2825,3375 2828,3380 2833,3387 2838,3403
 2811,3408 2812,3417 2814,3421 2814,3424 2814,3433 2810,3437 2810,3446
 2808,3456 2807,3460 2806,3463 2806,3466 2807,3472 2808,3477 2811,3482
 2814,3488 2819,3493 2823,3497 2829,3501 2835,3505 2840,3506 2845,3508
 2850,3509 2854,3509 2858,3508 2861,3508 2863,3506 2867,3504 2869,3504
 2871,3503 2873,3501 2877,3501 2878,3501 2881,3501 2884,3502 2887,3503
 2888,3507 2894,3510 2895,3512 2896,3518 2898,3521 2899,3526 2899,3531
 2899,3538 2898,3544 2896,3550 2894,3555 2891,3561 2888,3565 2884,3569
 2881,3575 2876,3581 2869,3583 2867,3585 2866,3587 2865,3590 2864,3591
 2864,3593 2865,3594 2865,3597 2864,3596 2863,3597 2861,3596 2859,3597
 2858,3598 2857,3609 2851,3613 2849,3617 2847,3622 2846,3627 2845,3631
 2844,3638 2840,3660 2830,3666 2828,3670 2825,3675 2822,3680 2819,3687
 2812,3689 2809,3691 2806,3701 2797,3704 2794,3706 2791,3709 2785,3712
 2780,3713 2776,3715 2771,3717 2759,3717 2756,3717 2755,3717 2754,3713
 2751,3711 2748,3711 2746,3711 2742,3711 2738,3711 2737,3710 2727,3711
 2721,3712 2715,3714 2710,3716 2707,3718 2704,3719 2702,3722 2700,3725
 2698,3728 2697,3730 2696,3736 2695,3742 2695,3746 2695,3751 2696,3755
 2697,3756 2697,3757 2697,3758 2699,3759 2701,3768 2702,3777 2704,3786
 2705,3798 2708,3802 2708,3807 2708,3809 2707,3810 2707,3814 2704,3818
 2701,3828 2690,3840 2674,3847 2666,3850 2662,3865 2648,3869 2642,3872
 2639,3874 2637,3879 2634,3881 2633,3882 2631,3884 2628,3884 2627,3887
 2626,3887 2625,3888 2623,3890 2619,3901 2603,3904 2594,3906 2591,3908
 2589,3912 2585,3916 2579,3920 2575,3923 2571,3925 2570,3928 2568,3934
 2565,3943 2559,3946 2558,3948 2558,3960 2555,3973 2553,3988 2552,3990
 2551,3995 2549,4000 2546,4004 2545,4016 2539,4018 2538,4021 2536,4027
 2533,4035 2528,4042 2523,4051 2516,4054 2514,4056 2513,4058 2512,4060
 2510,4065 2507,4067 2506,4075 2502,4088 2495,4095 2491,4096.0
 2490.35714285714,4096.0 2481.66666666667)),((268 1838,354 2179,885
 2044,841 1901,549 2027,661 1727,520 1651,482 1588,494 1593,496 1594,499
 1594,503 1595,511 1594,524 1596,528 1596,535 1599,538 1599,540 1599,542
 1599,544 1598,545 1596,546 1594,547 1591,549 1585,548 1583,548 1581,546
 1579,544 1572,541 1567,538 1562,536 1558,535 1554,534 1550,534 1547,533
 1536,533 1528,534 1522,536 1515,538 1511,539 1510,540 1507,543 1505,549
 1501,552 1498,557 1491,565 1480,568 1475,573 1467,575 1465,580 1460,585
 1454,589 1448,594 1441,596 1439,597 1438,600 1437,605 1435,607 1435,612
 1436,614 1436,616 1436,619 1434,621 1434,623 1434,624 1435,626 1436,627
 1438,628 1439,630 1441,633 1451,635 1460,635 1462,636 1464,638 1465,639
 1466,643 1468,645 1469,649 1469,656 1469,662 1468,669 1468,674 1468,676
 1467,677 1466,679 1465,684 1459,689 1455,690 1453,692 1448,694 1447,696
 1446,701 1445,703 1445,712 1441,714 1440,716 1439,717 1437,718 1436,719
 1434,720 1425,720 1423,717 1412,716 1410,714 1409,708 1405,706 1403,699
 1395,697 1393,696 1391,696 1388,695 1384,693 1356,693 1351,694 1347,695
 1344,697 1339,699 1336,704 1330,708 1324,713 1319,715 1317,720 1308,725
 1301,726 1298,727 1295,727 1292,726 1285,725 1283,721 1278,719 1275,714
 1257,712 1252,710 1240,709 1238,707 1234,705 1227,702 1221,701 1218,700
 1204,700 1202,700 1200,708 1187,709 1185,711 1183,714 1181,721 1178,723
 1176,728 1172,734 1170,738 1167,741 1165,747 1159,749 1157,752 1156,759
 1154,765 1151,770 1149,773 1147,777 1142,778 1140,779 1137,780 1133,781
 1131,787 1126,794 1119,801 1112,806 1108,808 1106,809 1104,809 1102,809
 1097,809 1092,809 1086,810 1080,811 1078,812 1077,815 1075,817 1074,818
 1074,819 1075,820 1075,821 1074,822 1073,824 1070,828 1066,834 1058,835
 1057,838 1058,841 1059,844 1060,845 1060,850 1061,855 1063,859 1063,861
 1063,863 1062,866 1061,870 1058,875 1053,877 1051,880 1049,882 1049,884
 1048,892 1048,900 1049,904 1049,911 1049,918 1048,922 1048,924 1048,926
 1048,928 1048,932 1050,933 1051,935 1051,937 1051,941 1049,942 1049,949
 1049,955 1048,963 1049,969 1051,974 1051,984 1052,987 1051,993 1050,1001
 1049,1005 1048,1008 1047,1011 1045,1013 1042,1015 1038,1016 1037,1019
 1036,1020 1032,1023 1029,1028 1022,1032 1016,1034 1013,1036 1009,1037
 1005,1037 1003,1037 993,1038 990,1038 988,1040 985,1041 984,1043 984,1045
 984,1048 985,1051 986,1053 987,1055 989,1057 991,1059 994,1062 998,1063
 1001,1064 1004,1065 1008,1065 1012,1065 1026,1065 1031,1065 1033,1066
 1035,1067 1037,1068 1039,1071 1043,1073 1045,1075 1045,1076 1045,1080
 1044,1082 1044,1084 1045,1086 1046,1088 1048,1093 1052,1097 1057,1100
 1063,1101 1065,1101 1067,1101 1070,1101 1072,1100 1073,1099 1076,1095
 1081,1091 1084,1086 1087,1085 1088,1081 1089,1081 1090,1079 1091,1077
 1096,1077 1097,1076 1099,1074 1100,1073 1101,1069 1102,1067 1103,1065
 1105,1059 1113,1059 1115,1058 1117,1058 1119,1057 1121,1058 1130,1058
 1132,1059 1133,1060 1136,1063 1139,1067 1143,1069 1145,1071 1146,1074
 1147,1079 1149,1083 1150,1096 1156,1097 1157,1098 1158,1101 1162,1102
 1163,1106 1166,1107 1167,1109 1168,1111 1168,1118 1168,1126 1170,1127
 1171,1135 1177,1140 1179,1141 1181,1147 1186,1148 1188,1149 1190,1150
 1193,1151 1195,1163 1214,1164 1216,1165 1219,1169 1228,1171 1229,1173
 1230,1174 1230,1175 1230,1176 1230,1178 1228,1179 1228,1181 1228,1183
 1230,1186 1231,1187 1231,1189 1235,1195 1242,1197 1245,1200 1251,1202
 1254,1204 1262,909 1185,897 1280,910 1287,1018 1339,1039 1349,1049
 1355,1057 1361,1063 1366,1068 1371,1071 1374,1212 1290,1214 1299,1214
 1307,1214 1310,1215 1312,1216 1315,1218 1318,1219 1320,1222 1323,1224
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 }}}

-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/4289#comment:9>
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