#4541 closed defect (fixed)
ST_ConcaveHull returns a "geometrycollection" type instead of the expected "polygon"
| Reported by: | v89461 | Owned by: | robe |
|---|---|---|---|
| Priority: | high | Milestone: | PostGIS 2.5.5 |
| Component: | postgis | Version: | 2.5.x -- EOL |
| Keywords: | Cc: |
Description
Ran into an unexpected behaviour of ST_ConcaveHull during a migration from 2.4 to 2.5.
The documentation doesn't specify the geometry type it returns but I assume it is a POLYGON.
Using POSTGIS="2.4.5 r16765" PGSQL="96" GEOS="3.6.3-CAPI-1.10.3 80c13047" PROJ="Rel. 4.9.3, 15 August 2016" GDAL="GDAL 1.9.2, released 2012/10/08" LIBXML="2.7.6" LIBJSON="0.11" RASTER
With the attached ST_ConcaveHull query I get a POLYGON result, as expected.
Using POSTGIS="2.5.2 r17328" [EXTENSION] PGSQL="110" GEOS="3.7.0-CAPI-1.11.0 673b9939" PROJ="Rel. 5.2.0, September 15th, 2018" GDAL="GDAL 2.3.1, released 2018/06/22" LIBXML="2.9.1" LIBJSON="0.12" LIBPROTOBUF="1.3.0" RASTER
With the attached ST_ConcaveHull query I get a strange GEOMETRYCOLLECTION made of several POINT and ending with a POLYGON.
Maybe it is a string length issue because I get a POLYGON as expected if I remove the first or last point of the query, or if I "round" the values by removing the 00000001 floating point approximations.
Attachments (1)
Change History (20)
by , 5 years ago
| Attachment: | ST_ConcaveHull.sql added |
|---|
comment:1 by , 5 years ago
| Milestone: | PostGIS 2.5.4 → PostGIS 2.5.5 |
|---|
comment:2 by , 5 years ago
| Owner: | changed from to |
|---|
comment:3 by , 5 years ago
comment:4 by , 5 years ago
This is the only change to the function in the timeframe (https://github.com/postgis/postgis/commit/5105ad46b3614d09b6c96430bb660a4c77b7e33b) and reversing it didn't make any difference, so the problem must be a change in behaviour in one of the functions called lower down.
comment:5 by , 4 years ago
| Priority: | blocker → high |
|---|
comment:6 by , 4 years ago
I was hoping I could blame this on GEOS, but seems with GEOS 3.8, all is good with 2.4.7
POSTGIS="2.4.7 r17322" PGSQL="100" GEOS="3.8.0-CAPI-1.13.1 " PROJ="Rel. 5.2.0, September 15th, 2018" GDAL="GDAL 2.4.4, released 2020/01/08" LIBXML="2.7.8" LIBJSON="0.12" LIBPROTOBUF="1.2.1" RASTER
Yields -
POLYGON((578430.72 1226431.49,578423.79 1226455.51,579600.81 1226795.01,580801.84 1227141.44,581978.86 1227480.95,582963.7 1227765.03,583324.01 1227868.96,584501.03 1228208.46,585702.06 1228554.89,586879.08 1228894.4,588056.09 1229233.9,589257.12 1229580.34,590434.14 1229919.84,591611.15 1230259.35,592788.17 1230598.85,593989.2 1230945.29,595166.21 1231284.79,596343.23 1231624.3,597544.26 1231970.73,597616.32 1231991.52,598793.34 1232331.02,599610.04 1232566.6,599706.12 1232594.31,599730.15 1232601.24,598553.13 1232261.73,597352.1 1231915.3,596175.08 1231575.79,595893.76 1231468.63,595869.74 1231461.7,595821.7 1231447.84,595629.54 1231392.41,594452.52 1231052.91,593251.49 1230706.48,592074.47 1230366.97,590897.46 1230027.47,589696.43 1229681.03,588519.41 1229341.53,587342.4 1229002.02,586165.38 1228662.52,585492.81 1228468.51,585132.5 1228364.58,583955.48 1228025.08,582754.45 1227678.65,581577.43 1227339.14,580400.42 1226999.64,580256.3 1226958.06,579079.28 1226618.56,578622.89 1226486.91,578454.74 1226438.41,578430.72 1226431.49))
3.1.0dev no surprise has the same issue
POSTGIS="3.1.0dev 3.1.0alpha2-33-g626556b35" [EXTENSION] PGSQL="130" GEOS="3.9.0-CAPI-1.14.0" SFCGAL="1.3.8" PROJ="6.2.1" GDAL="GDAL 3.0.2, released 2019/10/28" LIBXML="2.9.9" LIBJSON="0.12" LIBPROTOBUF="1.2.1" WAGYU="0.5.0 (Internal)" (core procs from "3.1.0dev 3.1.0alpha2-23-g81b9af77b" need upgrade) RASTER (raster procs from "3.1.0dev 3.1.0alpha2-23-g81b9af77b" need upgrade) (sfcgal procs from "3.1.0dev 3.1.0alpha2-23-g81b9af77b" need upgrade)
GEOMETRYCOLLECTION(POINT(578615.96 1226510.94),POINT(578760.08 1226552.51),POINT(578784.1 1226559.44),POINT(578928.23 1226601.01),POINT(578952.25 1226607.94),POINT(578976.27 1226614.87),POINT(578983.2000000001 1226590.84),POINT(579007.22 1226597.77),POINT(579072.35 1226642.58),POINT(579096.37 1226649.51),POINT(579120.39 1226656.44),POINT(579144.41 1226663.37),POINT(579175.36 1226646.27),POINT(579199.38 1226653.2),POINT(579223.41 1226660.1300000001),POINT(579240.5 1226691.08),POINT(579247.43 1226667.06),POINT(579264.52 1226698.01),POINT(579288.54 1226704.94),POINT(579312.56 1226711.87),POINT(579336.58 1226718.8),POINT(579343.51 1226694.77),POINT(579367.53 1226701.7),POINT(579384.62 1226732.6500000001),POINT(579391.55 1226708.6300000001),POINT(579408.64 1226739.58),POINT(579415.5700000001 1226715.56),POINT(579432.66 1226746.51),POINT(579456.68 1226753.44),POINT(579480.7000000001 1226760.37),POINT(579504.73 1226767.3),POINT(579535.67 1226750.2),POINT(579559.7000000001 1226757.1300000001),POINT(579576.79 1226788.08),POINT(579583.72 1226764.06),POINT(579600.81 1226795.01),POINT(579607.74 1226770.99),POINT(579624.83 1226801.94),POINT(579648.85 1226808.87),POINT(579672.87 1226815.8),POINT(579696.89 1226822.73),POINT(579703.8200000001 1226798.7),POINT(579720.91 1226829.6500000001),POINT(579727.84 1226805.6300000001),POINT(579744.93 1226836.58),POINT(579751.86 1226812.56),POINT(579768.9500000001 1226843.51),POINT(579792.97 1226850.44),POINT(579816.99 1226857.37),POINT(579841.01 1226864.3),POINT(579865.04 1226871.23),POINT(579895.98 1226854.1300000001),POINT(579920.01 1226861.06),POINT(579937.1 1226892.01),POINT(579961.12 1226898.94),POINT(579985.14 1226905.87),POINT(580009.16 1226912.8),POINT(580033.18 1226919.73),POINT(580057.2000000001 1226926.66),POINT(580064.13 1226902.6300000001),POINT(580105.24 1226940.51),POINT(580129.26 1226947.44),POINT(580153.28 1226954.37),POINT(580177.3 1226961.3),POINT(580201.33 1226968.23),POINT(580225.35 1226975.16),POINT(580249.37 1226982.09),POINT(580321.43 1227002.87),POINT(580345.4500000001 1227009.8),POINT(580369.47 1227016.73),POINT(580393.49 1227023.66),POINT(580417.51 1227030.59),POINT(580489.5700000001 1227051.37),POINT(580513.59 1227058.3),POINT(580537.61 1227065.23),POINT(580561.64 1227072.16),POINT(580585.66 1227079.09),POINT(580609.68 1227086.02),POINT(580616.61 1227061.99),POINT(580640.63 1227068.92),POINT(580705.76 1227113.73),POINT(580729.78 1227120.66),POINT(580753.8 1227127.59),POINT(580777.8200000001 1227134.52),POINT(580808.77 1227117.42),POINT(580832.79 1227124.35),POINT(580849.88 1227155.3),POINT(580873.9 1227162.23),POINT(580921.9500000001 1227176.09),POINT(580945.97 1227183.02),POINT(580969.99 1227189.95),POINT(580976.92 1227165.92),POINT(581000.9400000001 1227172.85),POINT(581024.96 1227179.78),POINT(581048.98 1227186.71),POINT(581090.09 1227224.59),POINT(581114.11 1227231.52),POINT(581138.13 1227238.45),POINT(581169.08 1227221.35),POINT(581193.1 1227228.28),POINT(581217.12 1227235.21),POINT(581234.21 1227266.16),POINT(581306.28 1227286.95),POINT(581330.3 1227293.8800000001),POINT(581337.23 1227269.85),POINT(581361.25 1227276.78),POINT(581385.27 1227283.71),POINT(581409.29 1227290.6400000001),POINT(581433.31 1227297.57),POINT(581474.42 1227335.45),POINT(581498.4400000001 1227342.3800000001),POINT(581529.39 1227325.28),POINT(581553.41 1227332.21),POINT(581577.43 1227339.1400000001),POINT(581601.4500000001 1227346.07),POINT(581649.5 1227359.93),POINT(581690.61 1227397.81),POINT(581697.54 1227373.78),POINT(581721.56 1227380.71),POINT(581745.58 1227387.6400000001),POINT(581769.6 1227394.57),POINT(581793.62 1227401.5),POINT(581817.64 1227408.43),POINT(581858.75 1227446.31),POINT(581889.7000000001 1227429.21),POINT(581913.72 1227436.1400000001),POINT(581937.74 1227443.07),POINT(581961.76 1227450),POINT(581985.78 1227456.93),POINT(582009.81 1227463.86),POINT(582033.83 1227470.79),POINT(582050.92 1227501.74),POINT(582057.85 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1228166.8900000001),POINT(584380.93 1228173.82),POINT(584404.9500000001 1228180.75),POINT(584411.87 1228156.72),POINT(584435.9 1228163.6500000001),POINT(584452.99 1228194.6),POINT(584459.92 1228170.58),POINT(584477.01 1228201.53),POINT(584501.03 1228208.46),POINT(584525.05 1228215.3900000001),POINT(584549.0700000001 1228222.32),POINT(584573.09 1228229.25),POINT(584597.11 1228236.17),POINT(584604.04 1228212.1500000001),POINT(584621.13 1228243.1),POINT(584645.15 1228250.03),POINT(584669.17 1228256.96),POINT(584693.1900000001 1228263.8900000001),POINT(584717.21 1228270.82),POINT(584741.24 1228277.75),POINT(584765.26 1228284.68),POINT(584796.21 1228267.58),POINT(584813.3 1228298.53),POINT(584837.3200000001 1228305.46),POINT(584861.34 1228312.3900000001),POINT(584885.36 1228319.32),POINT(584909.38 1228326.25),POINT(584933.4 1228333.18),POINT(584981.4400000001 1228347.03),POINT(585005.46 1228353.96),POINT(585029.48 1228360.8900000001),POINT(585053.5 1228367.82),POINT(585077.53 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1229989.1300000001),POINT(590698.37 1229996.06),POINT(590722.39 1230002.99),POINT(590753.34 1229985.8900000001),POINT(590777.36 1229992.82),POINT(590801.38 1229999.75),POINT(590818.47 1230030.7),POINT(590842.49 1230037.6300000001),POINT(590866.51 1230044.56),POINT(590890.53 1230051.49),POINT(590914.55 1230058.42),POINT(590921.48 1230034.3900000001),POINT(590986.61 1230079.2),POINT(591034.66 1230093.06),POINT(591058.68 1230099.99),POINT(591082.7000000001 1230106.92),POINT(591106.72 1230113.85),POINT(591178.78 1230134.6300000001),POINT(591202.8 1230141.56),POINT(591226.8200000001 1230148.49),POINT(591250.84 1230155.42),POINT(591274.86 1230162.35),POINT(591346.92 1230183.1300000001),POINT(591394.97 1230196.99),POINT(591418.99 1230203.92),POINT(591443.01 1230210.85),POINT(591467.03 1230217.78),POINT(591473.96 1230193.75),POINT(591563.11 1230245.49),POINT(591587.13 1230252.42),POINT(591611.15 1230259.35),POINT(591635.17 1230266.28),POINT(591755.28 1230300.92),POINT(591779.3 1230307.85),POINT(591803.3200000001 1230314.78),POINT(591827.34 1230321.71),POINT(591834.27 1230297.68),POINT(591858.29 1230304.61),POINT(591923.42 1230349.42),POINT(591947.4400000001 1230356.35),POINT(591971.46 1230363.28),POINT(591995.48 1230370.21),POINT(592026.43 1230353.11),POINT(592139.61 1230411.78),POINT(592163.63 1230418.71),POINT(592187.65 1230425.6400000001),POINT(592194.58 1230401.61),POINT(592218.6 1230408.54),POINT(592283.73 1230453.35),POINT(592307.75 1230460.28),POINT(592331.77 1230467.21),POINT(592355.79 1230474.1400000001),POINT(592386.74 1230457.04),POINT(592499.92 1230515.71),POINT(592523.9400000001 1230522.6400000001),POINT(592547.96 1230529.57),POINT(592554.89 1230505.54),POINT(592578.91 1230512.47),POINT(592602.93 1230519.4000000001),POINT(592668.06 1230564.21),POINT(592692.08 1230571.1400000001),POINT(592716.1 1230578.07),POINT(592747.05 1230560.97),POINT(592771.0700000001 1230567.9000000001),POINT(592819.12 1230581.76),POINT(592860.23 1230619.6400000001),POINT(592884.25 1230626.57),POINT(592908.27 1230633.5),POINT(592915.2000000001 1230609.47),POINT(592939.22 1230616.4000000001),POINT(592963.24 1230623.33),POINT(592987.26 1230630.26),POINT(593028.37 1230668.1400000001),POINT(593052.39 1230675.07),POINT(593076.41 1230682),POINT(593107.36 1230664.9000000001),POINT(593131.38 1230671.83),POINT(593155.41 1230678.76),POINT(593179.43 1230685.69),POINT(593203.4500000001 1230692.62),POINT(593244.56 1230730.5),POINT(593268.58 1230737.43),POINT(593275.51 1230713.4000000001),POINT(593299.53 1230720.33),POINT(593323.55 1230727.26),POINT(593347.5700000001 1230734.19),POINT(593388.68 1230772.07),POINT(593412.7000000001 1230779),POINT(593436.72 1230785.93),POINT(593467.67 1230768.83),POINT(593491.6900000001 1230775.76),POINT(593515.72 1230782.69),POINT(593539.74 1230789.62),POINT(593563.76 1230796.55),POINT(593604.87 1230834.43),POINT(593628.89 1230841.36),POINT(593635.8200000001 1230817.33),POINT(593659.84 1230824.26),POINT(593683.86 1230831.19),POINT(593707.88 1230838.12),POINT(593731.9 1230845.05),POINT(593773.01 1230882.93),POINT(593797.04 1230889.86),POINT(593821.06 1230896.79),POINT(593827.98 1230872.76),POINT(593852.01 1230879.69),POINT(593876.03 1230886.62),POINT(593900.05 1230893.55),POINT(593924.0700000001 1230900.48),POINT(593948.09 1230907.41),POINT(593965.18 1230938.36),POINT(593989.2000000001 1230945.29),POINT(594020.15 1230928.19),POINT(594044.17 1230935.12),POINT(594068.1900000001 1230942.05),POINT(594092.21 1230948.98),POINT(594116.23 1230955.91),POINT(594133.3200000001 1230986.86),POINT(594181.37 1231000.72),POINT(594188.29 1230976.69),POINT(594212.3200000001 1230983.62),POINT(594236.34 1230990.55),POINT(594260.36 1230997.48),POINT(594284.38 1231004.41),POINT(594308.4 1231011.34),POINT(594332.42 1231018.27),POINT(594349.51 1231049.22),POINT(594380.46 1231032.12),POINT(594404.48 1231039.05),POINT(594428.5 1231045.98),POINT(594452.52 1231052.91),POINT(594476.54 1231059.84),POINT(594541.68 1231104.6500000001),POINT(594548.61 1231080.62),POINT(594572.63 1231087.55),POINT(594596.65 1231094.48),POINT(594620.67 1231101.41),POINT(594644.6900000001 1231108.34),POINT(594668.71 1231115.27),POINT(594709.8200000001 1231153.1500000001),POINT(594740.77 1231136.05),POINT(594764.79 1231142.98),POINT(594788.81 1231149.91),POINT(594812.83 1231156.84),POINT(594901.99 1231208.58),POINT(594908.92 1231184.55),POINT(594932.9400000001 1231191.48),POINT(594956.96 1231198.41),POINT(594980.98 1231205.34),POINT(595046.11 1231250.1500000001),POINT(595070.13 1231257.08),POINT(595101.08 1231239.98),POINT(595125.1 1231246.91),POINT(595262.3 1231312.51),POINT(595269.23 1231288.48),POINT(595293.25 1231295.41),POINT(595430.4400000001 1231361.01),POINT(595622.61 1231416.44),POINT(595790.75 1231464.94),POINT(595982.92 1231520.37),POINT(596151.06 1231568.87),POINT(596535.39 1231679.73),POINT(596895.7000000001 1231783.66),POINT(596919.72 1231790.58),POINT(596943.75 1231797.51),POINT(596967.77 1231804.44),POINT(596991.79 1231811.37),POINT(597015.81 1231818.3),POINT(597087.87 1231839.08),POINT(597111.89 1231846.01),POINT(597135.91 1231852.94),POINT(597159.93 1231859.87),POINT(597256.01 1231887.59),POINT(597280.04 1231894.51),POINT(597304.06 1231901.44),POINT(597328.08 1231908.37),POINT(597448.18 1231943.01),POINT(597472.2000000001 1231949.94),POINT(597640.35 1231998.44),POINT(597664.37 1232005.37),POINT(597952.61 1232088.52),POINT(598000.66 1232102.37),POINT(598144.78 1232143.95),POINT(598168.8 1232150.87),POINT(598288.9 1232185.52),POINT(598312.92 1232192.45),POINT(598336.9500000001 1232199.3800000001),POINT(598360.97 1232206.3),POINT(598384.99 1232213.23),POINT(598481.0700000001 1232240.95),POINT(598505.09 1232247.8800000001),POINT(598529.11 1232254.8),POINT(598553.13 1232261.73),POINT(598649.21 1232289.45),POINT(598697.26 1232303.31),POINT(598721.28 1232310.23),POINT(598745.3 1232317.16),POINT(598865.4 1232351.81),POINT(598889.42 1232358.73),POINT(598913.4400000001 1232365.66),POINT(599009.52 1232393.3800000001),POINT(599081.59 1232414.16),POINT(599105.61 1232421.09),POINT(599129.63 1232428.02),POINT(599249.73 1232462.67),POINT(599273.75 1232469.59),POINT(599297.77 1232476.52),POINT(599441.9 1232518.09),POINT(599465.92 1232525.02),POINT(599489.9400000001 1232531.95),POINT(599513.96 1232538.8800000001),POINT(599634.06 1232573.52),POINT(599658.08 1232580.45),POINT(599682.1 1232587.3800000001),POLYGON((578430.72 1226431.49,578423.79 1226455.51,579552.77 1226781.1500000001,580681.74 1227106.8,581834.73 1227439.3800000001,582963.7000000001 1227765.03,583324.01 1227868.96,584428.97 1228187.67,585533.92 1228506.3900000001,586614.85 1228818.18,587719.8 1229136.9000000001,588824.75 1229455.62,589929.7000000001 1229774.34,591010.64 1230086.1300000001,592115.59 1230404.85,593220.54 1230723.57,594325.49 1231042.29,595406.42 1231354.08,596511.37 1231672.8,597616.3200000001 1231991.52,598625.1900000001 1232282.52,599610.04 1232566.6,599706.12 1232594.31,599730.15 1232601.24,598769.3200000001 1232324.09,597808.49 1232046.94,596847.66 1231769.8,595893.76 1231468.6300000001,595869.74 1231461.7,595821.7000000001 1231447.84,595629.54 1231392.41,594500.56 1231066.77,593371.59 1230741.12,592242.62 1230415.47,591113.65 1230089.82,590008.6900000001 1229771.11,588879.72 1229445.46,587750.75 1229119.81,586621.78 1228794.16,585492.81 1228468.51,585132.5 1228364.58,584147.65 1228080.51,583186.8200000001 1227803.36,582201.97 1227519.29,581241.14 1227242.1400000001,580256.3 1226958.06,579439.59 1226722.49,578622.89 1226486.91,578454.74 1226438.41,578430.72 1226431.49)))
comment:7 by , 4 years ago
One interesting observation — setting the shrink to 0.98 results in a polygon again even on the 3.1.0
SELECT ST_AsEWKT(
ST_ConcaveHull(
'MULTIPOINT(
578423.79 1226455.51,
578447.81 1226462.43,
578471.84 1226469.36,
578495.86 1226476.29,
578519.88 1226483.22,
578543.9 1226490.1500000001,
578567.92 1226497.08,
578591.9400000001 1226504.01,
578615.96 1226510.94,
578639.98 1226517.86,
578664.0 1226524.79,
578688.02 1226531.72,
578712.04 1226538.6500000001,
578736.06 1226545.58,
578760.08 1226552.51,
578784.1 1226559.44,
578808.13 1226566.36,
578832.15 1226573.29,
578856.17 1226580.22,
578880.1900000001 1226587.1500000001,
578904.21 1226594.08,
578928.23 1226601.01,
578952.25 1226607.94,
578976.27 1226614.87,
579000.29 1226621.79,
579024.31 1226628.72,
579048.33 1226635.6500000001,
579072.35 1226642.58,
579096.37 1226649.51,
579120.39 1226656.44,
579144.41 1226663.37,
579168.4400000001 1226670.29,
579192.46 1226677.22,
579216.48 1226684.1500000001,
579240.5 1226691.08,
579264.52 1226698.01,
579288.54 1226704.94,
579312.56 1226711.87,
579336.58 1226718.8,
579360.6 1226725.72,
579384.62 1226732.6500000001,
579408.64 1226739.58,
579432.66 1226746.51,
579456.68 1226753.44,
579480.7000000001 1226760.37,
579504.73 1226767.3,
579528.75 1226774.22,
579552.77 1226781.1500000001,
579576.79 1226788.08,
579600.81 1226795.01,
579624.83 1226801.94,
579648.85 1226808.87,
579672.87 1226815.8,
579696.89 1226822.73,
579720.91 1226829.6500000001,
579744.93 1226836.58,
579768.9500000001 1226843.51,
579792.97 1226850.44,
579816.99 1226857.37,
579841.01 1226864.3,
579865.04 1226871.23,
579889.06 1226878.1500000001,
579913.08 1226885.08,
579937.1 1226892.01,
579961.12 1226898.94,
579985.14 1226905.87,
580009.16 1226912.8,
580033.18 1226919.73,
580057.2000000001 1226926.66,
580081.22 1226933.58,
580105.24 1226940.51,
580129.26 1226947.44,
580153.28 1226954.37,
580177.3 1226961.3,
580201.33 1226968.23,
580225.35 1226975.16,
580249.37 1226982.09,
580273.39 1226989.01,
580297.41 1226995.94,
580321.43 1227002.87,
580345.4500000001 1227009.8,
580369.47 1227016.73,
580393.49 1227023.66,
580417.51 1227030.59,
580441.53 1227037.51,
580465.55 1227044.44,
580489.5700000001 1227051.37,
580513.59 1227058.3,
580537.61 1227065.23,
580561.64 1227072.16,
580585.66 1227079.09,
580609.68 1227086.02,
580633.7000000001 1227092.94,
580657.72 1227099.87,
580681.74 1227106.8,
580705.76 1227113.73,
580729.78 1227120.66,
580753.8 1227127.59,
580777.8200000001 1227134.52,
580801.84 1227141.44,
580825.86 1227148.37,
580849.88 1227155.3,
580873.9 1227162.23,
580897.93 1227169.16,
580921.9500000001 1227176.09,
580945.97 1227183.02,
580969.99 1227189.95,
580994.01 1227196.87,
581018.03 1227203.8,
581042.05 1227210.73,
581066.0700000001 1227217.66,
581090.09 1227224.59,
581114.11 1227231.52,
581138.13 1227238.45,
581162.15 1227245.37,
581186.17 1227252.3,
581210.1900000001 1227259.23,
581234.21 1227266.16,
581258.24 1227273.09,
581282.26 1227280.02,
581306.28 1227286.95,
581330.3 1227293.8800000001,
581354.3200000001 1227300.8,
581378.34 1227307.73,
581402.36 1227314.66,
581426.38 1227321.59,
581450.4 1227328.52,
581474.42 1227335.45,
581498.4400000001 1227342.3800000001,
581522.46 1227349.3,
581546.48 1227356.23,
581570.5 1227363.16,
581594.53 1227370.09,
581618.55 1227377.02,
581642.5700000001 1227383.95,
581666.59 1227390.8800000001,
581690.61 1227397.81,
581714.63 1227404.73,
581738.65 1227411.66,
581762.67 1227418.59,
581786.6900000001 1227425.52,
581810.71 1227432.45,
581834.73 1227439.3800000001,
581858.75 1227446.31,
581882.77 1227453.23,
581906.79 1227460.16,
581930.81 1227467.09,
581954.84 1227474.02,
581978.86 1227480.95,
582002.88 1227487.8800000001,
582026.9 1227494.81,
582050.92 1227501.74,
582074.9400000001 1227508.66,
582098.96 1227515.59,
582122.98 1227522.52,
582147.0 1227529.45,
582171.02 1227536.3800000001,
582195.04 1227543.31,
582219.06 1227550.24,
582243.08 1227557.16,
582267.1 1227564.09,
582291.13 1227571.02,
582315.15 1227577.95,
582339.17 1227584.8800000001,
582363.1900000001 1227591.81,
582387.21 1227598.74,
582411.23 1227605.67,
582435.25 1227612.59,
582459.27 1227619.52,
582483.29 1227626.45,
582507.31 1227633.3800000001,
582531.33 1227640.31,
582555.35 1227647.24,
582579.37 1227654.17,
582603.39 1227661.09,
582627.41 1227668.02,
582651.4400000001 1227674.95,
582675.46 1227681.8800000001,
582699.48 1227688.81,
582723.5 1227695.74,
582747.52 1227702.67,
582771.54 1227709.6,
582795.56 1227716.52,
582819.58 1227723.45,
582843.6 1227730.3800000001,
582867.62 1227737.31,
582891.64 1227744.24,
582915.66 1227751.17,
582939.68 1227758.1,
582963.7000000001 1227765.03,
582987.73 1227771.95,
583011.75 1227778.8800000001,
583035.77 1227785.81,
583059.79 1227792.74,
583083.81 1227799.67,
583107.83 1227806.6,
583131.85 1227813.53,
583155.87 1227820.45,
583179.89 1227827.3800000001,
583203.91 1227834.31,
583227.93 1227841.24,
583251.9500000001 1227848.17,
583275.97 1227855.1,
583299.99 1227862.03,
583324.01 1227868.96,
583348.04 1227875.8800000001,
583372.06 1227882.81,
583396.08 1227889.74,
583420.1 1227896.67,
583444.12 1227903.6,
583468.14 1227910.53,
583492.16 1227917.46,
583516.18 1227924.3800000001,
583540.2000000001 1227931.31,
583564.22 1227938.24,
583588.24 1227945.17,
583612.26 1227952.1,
583636.28 1227959.03,
583660.3 1227965.96,
583684.33 1227972.8900000001,
583708.35 1227979.81,
583732.37 1227986.74,
583756.39 1227993.67,
583780.41 1228000.6,
583804.43 1228007.53,
583828.4500000001 1228014.46,
583852.47 1228021.3900000001,
583876.49 1228028.31,
583900.51 1228035.24,
583924.53 1228042.17,
583948.55 1228049.1,
583972.5700000001 1228056.03,
583996.59 1228062.96,
584020.61 1228069.8900000001,
584044.64 1228076.82,
584068.66 1228083.74,
584092.68 1228090.67,
584116.7000000001 1228097.6,
584140.72 1228104.53,
584164.74 1228111.46,
584188.76 1228118.3900000001,
584212.78 1228125.32,
584236.8 1228132.24,
584260.8200000001 1228139.17,
584284.84 1228146.1,
584308.86 1228153.03,
584332.88 1228159.96,
584356.9 1228166.8900000001,
584380.93 1228173.82,
584404.9500000001 1228180.75,
584428.97 1228187.67,
584452.99 1228194.6,
584477.01 1228201.53,
584501.03 1228208.46,
584525.05 1228215.3900000001,
584549.0700000001 1228222.32,
584573.09 1228229.25,
584597.11 1228236.17,
584621.13 1228243.1,
584645.15 1228250.03,
584669.17 1228256.96,
584693.1900000001 1228263.8900000001,
584717.21 1228270.82,
584741.24 1228277.75,
584765.26 1228284.68,
584789.28 1228291.6,
584813.3 1228298.53,
584837.3200000001 1228305.46,
584861.34 1228312.3900000001,
584885.36 1228319.32,
584909.38 1228326.25,
584933.4 1228333.18,
584957.42 1228340.1,
584981.4400000001 1228347.03,
585005.46 1228353.96,
585029.48 1228360.8900000001,
585053.5 1228367.82,
585077.53 1228374.75,
585101.55 1228381.68,
585125.5700000001 1228388.61,
585149.59 1228395.53,
585173.61 1228402.46,
585197.63 1228409.3900000001,
585221.65 1228416.32,
585245.67 1228423.25,
585269.6900000001 1228430.18,
585293.71 1228437.11,
585317.73 1228444.03,
585341.75 1228450.96,
585365.77 1228457.8900000001,
585389.79 1228464.82,
585413.81 1228471.75,
585437.84 1228478.68,
585461.86 1228485.61,
585485.88 1228492.54,
585509.9 1228499.46,
585533.92 1228506.3900000001,
585557.9400000001 1228513.32,
585581.96 1228520.25,
585605.98 1228527.18,
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594644.6900000001 1231108.34,
594668.71 1231115.27,
594692.73 1231122.2,
594716.75 1231129.1300000001,
594740.77 1231136.05,
594764.79 1231142.98,
594788.81 1231149.91,
594812.83 1231156.84,
594836.85 1231163.77,
594860.87 1231170.7,
594884.89 1231177.6300000001,
594908.92 1231184.55,
594932.9400000001 1231191.48,
594956.96 1231198.41,
594980.98 1231205.34,
595005.0 1231212.27,
595029.02 1231219.2,
595053.04 1231226.1300000001,
595077.06 1231233.06,
595101.08 1231239.98,
595125.1 1231246.91,
595149.12 1231253.84,
595173.14 1231260.77,
595197.16 1231267.7,
595221.18 1231274.6300000001,
595245.21 1231281.56,
595269.23 1231288.48,
595293.25 1231295.41,
595317.27 1231302.34,
595341.29 1231309.27,
595365.31 1231316.2,
595389.33 1231323.1300000001,
595413.35 1231330.06,
595437.37 1231336.99,
595461.39 1231343.91,
595485.41 1231350.84,
595509.43 1231357.77,
595533.4500000001 1231364.7,
595557.47 1231371.6300000001,
595581.49 1231378.56,
595605.52 1231385.49,
595629.54 1231392.41,
595653.56 1231399.34,
595677.58 1231406.27,
595701.6 1231413.2,
595725.62 1231420.1300000001,
595749.64 1231427.06,
595773.66 1231433.99,
595797.68 1231440.92,
595821.7000000001 1231447.84,
595845.72 1231454.77,
595869.74 1231461.7,
595893.76 1231468.6300000001
)'::geometry
, 0.98)
)
POLYGON((578423.79 1226455.51,582963.7000000001 1227765.03,583324.01 1227868.96,597616.3200000001 1231991.52,599610.04 1232566.6,599706.12 1232594.31,599730.15 1232601.24,595893.76 1231468.6300000001,595869.74 1231461.7,595821.7000000001 1231447.84,595629.54 1231392.41,585492.81 1228468.51,585132.5 1228364.58,580256.3 1226958.06,578622.89 1226486.91,578454.74 1226438.41,578430.72 1226431.49,578423.79 1226455.51))
follow-up: 16 comment:10 by , 3 years ago
| Resolution: | fixed |
|---|---|
| Status: | closed → reopened |
I have encountered the same problem in PostGIS 3.1.5. Here is a reproducer:
select st_asgeojson(st_concavehull('0107000020E61000006200000001010000007BA4C16D6D1159C0BE1B0B0A837230C00101000000185E49F25C1159C04643C6A3547230C0010100000089B663EAAE1059C07E552E54FE7130C0010100000060200890A11059C0C214E5D2F87130C00101000000E9B81AD9951059C00C91D3D7F37130C00101000000E9818FC18A1059C0E4654D2CF07130C0010100000037C2A2224E1059C0862348A5D87130C00101000000DCBA9BA73A1059C0C619C39CA07130C0010100000019213CDA381059C0301004C8D07130C00101000000C7F7C5A52A1059C06E1283C0CA7130C001010000005C3E92921E1059C0DC645419C67130C0010100000080113466121059C06E8D08C6C17130C00101000000CBD8D0CDFE0F59C07882FDD7B97130C00101000000D3FA5B02F00F59C0DEFE5C34647430C00101000000E9818FC18A0F59C0200BD121707430C001010000008CA19C68570F59C0DAE55B1FD66F30C00101000000709A3E3BE00E59C0E0455F419A7930C00101000000E55FCB2BD70E59C0DC8827BB997930C00101000000882EA86F990E59C0E8D7D64FFF7130C001010000007C4963B48E0E59C0DA1B7C61327930C0010100000047AE9B525E0E59C006F52D73BA7030C00101000000E606431D560E59C0A610C8258E7830C001010000001C62BCE6550E59C0A20F96B1A17330C0010100000094C3279D480E59C0FE2D01F8A77830C00101000000C74ACCB3920C59C0BAC0E5B1667430C0010100000074B9C150870C59C094FDF334607430C001010000001CEDB8E1770C59C08C53AD85597430C00101000000596ABDDF680C59C04677103B537430C001010000003B00E2AE5E0C59C044317903CC8430C00101000000EA279CDD5A0C59C0C6681D554D7430C0010100000085798F334D0C59C01C5F7B66497430C00101000000132D793C2D0C59C0D4D51D8B6D8230C00101000000FFB4519D0E0C59C0349BC761308330C0010100000080D767CEFA0B59C064045438827C30C00101000000FDF84B8BFA0B59C06E5512D9077D30C00101000000B075A911FA0B59C0E82CB308C57E30C0010100000040FCFCF7E00B59C066A71FD4457E30C001010000006DAD2F12DA0B59C06825ADF8867A30C001010000009CE09BA6CF0B59C0145CACA8C17030C001010000003DD52137C30B59C0BA63B14D2A7A30C00101000000E70297C79A0B59C008707A17EF7330C0010100000051340F60910B59C0700514EAE97330C001010000000BB952CF820B59C0BA13ECBFCE7530C00101000000ACCABE2B820B59C09259BDC3ED7030C00101000000F96706F1810B59C072395E81E87530C00101000000C9E7154F3D0B59C0107BA180ED7030C001010000007CF31B261A0B59C0087C7E18217030C00101000000EEB43522180B59C08A1F63EE5A7630C00101000000B05758703F0959C09CAA7B64736D30C0010100000074D4D171350959C0C43E0114236F30C0010200000002000000B4739A05DA0B59C0A4570394867A30C07EE4D6A4DB0B59C0F6B704E09F7A30C0010200000002000000195A9D9CA11059C0C214E5D2F87130C0A2F2AFE5951059C04E8061F9F37130C0010200000002000000BBB88D06F00F59C0DEFE5C34647430C068925852EE0F59C0A84F72874D7430C0010200000002000000412E71E4810B59C0360708E6E87530C06AC18BBE820B59C03EF20703CF7530C001020000000200000048E2E5E95C1159C0E63A8DB4547230C0679AB0FD641159C0B267CF656A7230C001020000000200000060B01BB62D0C59C01406651A4D8230C0CB660E492D0C59C0D4D51D8B6D8230C0010200000002000000C0AF9124080C59C0444DF4F9287F30C0B54FC763060C59C01E166A4DF37E30C00102000000020000000BB952CF820B59C07EE19524CF7530C004C8D0B1830B59C0B6847CD0B37530C001020000000200000044FAEDEBC00B59C00ED594641D7A30C02593533BC30B59C0988DCEF9297A30C001020000000200000027A60BB1FA0B59C05E88D51F617C30C0981936CAFA0B59C028D2FD9C827C30C0010200000002000000392BA226FA0B59C07A71E2AB1D7D30C044BFB67EFA0B59C02C6684B7077D30C001020000000200000020D4450A651159C0127008556A7230C07BA4C16D6D1159C0A002603C837230C0010200000002000000F8359204E10B59C0488E7406467E30C0F08B4B55DA0B59C0DE736039427E30C0010200000002000000ADDC0BCC0A0C59C0541C075E2D8330C0467BBC900E0C59C0768A5583308330C0010200000002000000B9FDF2C98A1059C0446E861BF07130C0E8305F5E801059C09A64E42CEC7130C001020000000200000005F9D9C8750B59C036785F950B7130C0C40C8D27820B59C01638D906EE7030C00102000000020000000E1137A7920C59C03C9F01F5667430C0D4635B069C0C59C048197101687430C0010200000002000000D15AD1E6381059C090183DB7D07130C0C120E9D32A1059C0100A4AD1CA7130C0010200000002000000596ABDDF680C59C0E86ED74B537430C0AB798EC8770C59C08C53AD85597430C0010200000002000000D15AD1E6381059C090183DB7D07130C0F0FB372F4E1059C04434BA83D87130C0010200000002000000B9FDF2C98A1059C0446E861BF07130C0A2F2AFE5951059C04E8061F9F37130C0010200000002000000139F3BC1FE0F59C07882FDD7B97130C068CF656A121059C0CC9541B5C17130C001020000000200000033DE567A6D1159C0A002603C837230C088D7F50B761159C06E8445459C7230C0010200000002000000EDBC8DCD8E0B59C0302AA913D07030C0F86D88F19A0B59C0F88DAF3DB37030C0010200000002000000E6E786A6EC0E59C05CFFAECF9C7930C02504ABEAE50E59C06AE1B20A9B7930C001020000000200000021E9D32AFA0B59C0183C4CFBE67E30C0B075A911FA0B59C04EF2237EC57E30C00102000000020000008599B67F650B59C000219221C77230C00CE71A66680B59C0B26CE690D47230C00102000000020000003BAA9A20EA0D59C09206B7B5857330C0925CFE43FA0D59C0E6948098847330C0010200000002000000AD36FFAF3A1059C0C619C39CA07130C0E14389963C1059C07E91D096737130C00102000000020000000E1137A7920C59C03C9F01F5667430C0EB03C93B870C59C0F2052D24607430C001020000000200000041683D7C990E59C066F9BA0CFF7130C0D9EC48F59D0E59C01C261AA4E07130C00102000000020000002CB81FF0C00B59C0548CF337A17030C0B2497EC4AF0B59C0E2C798BB967030C0010200000002000000252367614F0B59C0CCD1E3F7367130C0543C2EAA450B59C0464772F90F7130C001020000000200000087FA5DD89A0B59C0AA674128EF7330C039F24064910B59C0D00D4DD9E97330C00102000000020000004B2025766D0E59C09A0AF148BC7030C047AE9B525E0E59C066FD6662BA7030C0010200000002000000C6DE8B2FDA0E59C012DA722EC57930C0B6DB2E34D70E59C01C78B5DC997930C0010200000002000000DE21C500890B59C0207D93A6417530C097A949F0860B59C0329067976F7530C0010200000002000000B1C56E9F551159C0BC0512143F7230C01FA4A7C8211159C0FC523F6F2A7230C00102000000020000002CB81FF0C00B59C0548CF337A17030C0FBE8D495CF0B59C0F64201DBC17030C0010200000002000000640795B88E0E59C0DA1B7C61327930C0EFACDD76A10E59C02EAA4544317930C001020000000200000080113466121059C0CC9541B5C17130C05C3E92921E1059C09A75C6F7C57130C0010200000002000000494A7A185A0F59C0EC8497E0D46F30C045DB3175570F59C0DAE55B1FD66F30C001020000000200000033C34659BF0859C0A6BF97C2836E30C03F541A31B30859C0144031B2646E30C00102000000020000007F315BB22A1059C050F9D7F2CA7130C05C3E92921E1059C09A75C6F7C57130C00102000000020000005663096B630E59C072C971A7747830C0B682A625560E59C0041901158E7830C0010200000002000000EDBC8DCD8E0B59C0302AA913D07030C0C40C8D27820B59C01638D906EE7030C0010200000002000000FCC3961E4D0C59C09A805F23497430C0016A6AD95A0C59C086798F334D7430C00102000000020000005663096B630E59C072C971A7747830C02A1DACFF730E59C06A4DF38E537830C0', 0.99));
If I use target_percent=0.98, I get a Polygon, as expected. The input is a collection of points and line segments.
follow-up: 12 comment:11 by , 3 years ago
@kszafran
Which platform are you running on? Wondering if by chance you are able to test the new ST_ConcaveHull. If you are on windows I have precompiled builds in experimental section - https://postgis.net/windows_downloads/ - the 3.3.0alpha1 builds.
The new ST_ConcaveHull will use the new native GEOS support introduced in GEOS 3.11 (not yet released). At anyrate I'll try with your example later this week to make sure it solves your issue - https://postgis.net/docs//manual-3.3/ST_ConcaveHull.html
on a related topic, there is also support for alphashapes introduced in PostGSI 3.3.0 SFCGAL 1.4.1
https://postgis.net/docs//manual-3.3/ST_OptimalAlphaShape.html https://postgis.net/docs//manual-3.3/ST_AlphaShape.html
comment:12 by , 2 years ago
Replying to robe:
@kszafran
Which platform are you running on? Wondering if by chance you are able to test the new ST_ConcaveHull. If you are on windows I have precompiled builds in experimental section - https://postgis.net/windows_downloads/ - the 3.3.0alpha1 builds.
The new ST_ConcaveHull will use the new native GEOS support introduced in GEOS 3.11 (not yet released). At anyrate I'll try with your example later this week to make sure it solves your issue - https://postgis.net/docs//manual-3.3/ST_ConcaveHull.html
on a related topic, there is also support for alphashapes introduced in PostGSI 3.3.0 SFCGAL 1.4.1
https://postgis.net/docs//manual-3.3/ST_OptimalAlphaShape.html https://postgis.net/docs//manual-3.3/ST_AlphaShape.html
I'm using AWS Aurora, so unfortunately I can't test arbitrary PostGIS versions.
comment:13 by , 2 years ago
Tempted to close this out, as the new GEOS algorithm works on this just fine, so the problem will disappear as versions roll out supporting the new GEOS, starting with 3.3.
comment:14 by , 2 years ago
I was going to bisect this, but I cannot even build 2.4 on my system anymore…
comment:15 by , 2 years ago
I'll take a look a closer look at this. I think I can still build 2.4 to do a bisect.
comment:16 by , 2 years ago
Replying to kszafran:
I have encountered the same problem in PostGIS 3.1.5. Here is a reproducer:
select st_asgeojson(st_concavehull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0.99));If I use target_percent=0.98, I get a Polygon, as expected. The input is a collection of points and line segments.
Okay looking at the code, from 3.1 - 3.3 this is still set to 0.98 so is not handling the 0.99 case. So I guess I somehow missed backporting these.
Note:
See TracTickets
for help on using tickets.
Confirmed, master returns a lot of points, and 2.4 returns a basic polygon. What changed in this function?