[postgis-tickets] [PostGIS] #2635: Geography Regress difference between 2.0.4 and 2.1.1 ST_Buffer
PostGIS
trac at osgeo.org
Wed Feb 5 20:03:53 PST 2014
#2635: Geography Regress difference between 2.0.4 and 2.1.1 ST_Buffer
---------------------+------------------------------------------------------
Reporter: robe | Owner: pramsey
Type: defect | Status: new
Priority: medium | Milestone: PostGIS 2.1.2
Component: postgis | Version: 2.1.x
Keywords: |
---------------------+------------------------------------------------------
Paul,
This may be nothing but thought I'd ticket it just in case. I'm guessing
it may have to do with the segmentizing work you did in 2.1 so the 2.1
answer may be right. Feel free to dismiss as a non-issue.
{{{
SELECT ST_Area(geog), ST_AsText(geog) As wkt
FROM ST_Buffer(ST_GeogFromText('POLYGON((-8.1111111 60,-8.16875525879031
59.4147290339516,-8.33947250246614 58.8519497029047,-8.61670226309236
58.3332893009412,-8.98979075644036 57.8786796564404,-9.44440040094119
57.5055911630924,-9.96306080290473 57.2283614024661,-10.5258401339516
57.0576441587903,-11.1111111 57,-11.6963820660484
57.0576441587903,-12.2591613970953 57.2283614024661,-12.7778217990588
57.5055911630924,-13.2324314435596 57.8786796564404,-13.6055199369076
58.3332893009412,-13.8827496975339 58.8519497029047,-14.0534669412097
59.4147290339516,-14.1111111 60,-14.0534669412097
60.5852709660484,-13.8827496975339 61.1480502970953,-13.6055199369076
61.6667106990588,-13.2324314435597 62.1213203435596,-12.7778217990588
62.4944088369076,-12.2591613970953 62.7716385975339,-11.6963820660484
62.9423558412097,-11.1111111 63,-10.5258401339516
62.9423558412097,-9.96306080290474 62.7716385975339,-9.4444004009412
62.4944088369076,-8.98979075644036 62.1213203435596,-8.61670226309237
61.6667106990588,-8.33947250246614 61.1480502970953,-8.16875525879031
60.5852709660484,-8.1111111 60))'),0.5) As geog;
}}}
In POSTGIS="2.1.2dev r12220" GEOS="3.4.2-CAPI-1.8.2 r0" PROJ="Rel. 4.8.0,
6 March 2012" GDAL="GDAL 1.10.0, released 2013/04/24" LIBXML="2.7.8"
LIBJSON="UNKNOWN" RASTER PostgreSQL 9.2.4, compiled by Visual C++ build
1600, 32-bit
{{{
174586245121.787;
POLYGON((-8.11110222676862 60.0000001123177,-8.11110222756612
59.9999996529674,-8.16874654571452 59.4147286928243,-8.16874664506243
59.4147282009185,-8.33946403009328 58.8519488836975,-8.33946425740642
58.8519483409453,-8.61669413225065 58.333287959632,-8.61669454377614
58.3332873500412,-8.98978311640787 57.8786777311844,-8.9897838091721
57.8786770459371,-9.4443934919845 57.5055885804876,-9.44439462077365
57.5055878357803,-9.96305501709095 57.2283581014174,-9.96305678017842
57.2283573825071,-10.5258360648787 57.0576401583567,-10.5258372711419
57.0576398578416,-10.5258385543783 57.0576396729186,-11.1111094479643
56.9999955216097,-11.1111108915067 56.9999954494718,-11.11111234172
56.9999955228753,-11.6963832359368 57.0576396745597,-11.6963845762407
57.0576398684158,-11.6963858447501 57.05764018493,-12.2591651318438
57.228357409453,-12.2591670238365 57.2283581812281,-12.777827424573
57.5055879162765,-12.7778286347834 57.5055887143522,-13.2324383232393
57.8786771811134,-13.2324390547882 57.8786779042161,-13.6055276330769
58.3332875251025,-13.6055280588178 58.3332881552299,-13.8827579382924
58.8519485391979,-13.8827581685808 58.851949088513,-14.0534755565227
59.4147284088229,-14.0534756552979 59.4147288971683,-14.1111199742848
59.9999998606063,-14.1111199751599 60.0000003092618,-14.0534759820891
60.5852712810569,-14.0534758964603 60.5852717124745,-13.8827588127288
61.1480510572808,-13.8827586299052 61.1480514969214,-13.6055290113663
61.6667119197437,-13.6055286889924 61.6667123986508,-13.2324403072682
62.1213220695603,-13.232439744958 62.1213226256614,-12.777830169063
62.4944111485805,-12.7778291516122 62.494411817498,-12.2591687642903
62.7716416071738,-12.2591668861125 62.7716423669067,-11.6963875113353
62.9423596333884,-11.6963859831522 62.9423600049927,-11.6963843312279
62.9423602450222,-11.1111132779988 63.0000044128573,-11.1111112726256
63.0000045075187,-11.1111092599455 63.0000044113329,-10.5258382075
62.9423602435568,-10.5258364928066 62.9423599938316,-10.5258348994918
62.9423596056344,-9.96305552763739 62.7716423393292,-9.96305353718583
62.7716415338708,-9.4443931548388 62.4944117448422,-9.44439207393719
62.494411034233,-8.98978250399359 62.1213225126375,-8.98978190857326
62.1213219238521,-8.61669353266982 61.6667122549516,-8.61669319297732
61.6667117503886,-8.33946357928109 61.148051330162,-8.33946338787195
61.1480508699993,-8.16874630740451 60.5852715282209,-8.1687462185399
60.5852710808434,-8.11110222676862 60.0000001123177))
}}}
In POSTGIS="2.0.4" GEOS="3.4.2-CAPI-1.8.2 r0" PROJ="Rel. 4.8.0, 6 March
2012" GDAL="GDAL 1.10.0, released 2013/04/24" LIBXML="2.7.8"
LIBJSON="UNKNOWN" (core procs from "2.0.4" need upgrade) RASTER (raster
procs from "2.0.4" need upgrade) PostgreSQL 9.2.4, compiled by Visual C++
build 1600, 32-bit
{{{
174585845315.925;POLYGON((-8.11110661378164
60.0000001098461,-8.11110661397496 59.9999998881884,-8.16875077276527
59.4147289201606,-8.1687508208231 59.4147286812904,-8.33946806449893
58.8519493443789,-8.33946817617189 58.8519490773287,-8.61669793679811
58.3332886659866,-8.61669814344717 58.3332883596781,-8.98978663679517
57.8786787030531,-8.98978699480701 57.8786783488813,-9.44439663930784
57.5055898419469,-9.44439724209829 57.5055894443578,-9.96305764406183
57.2283596706437,-9.96305861424042 57.2283592751908,-10.5258379452873
57.0576420216394,-10.5258386198499 57.0576418546683,-10.525839335611
57.0576417503919,-11.1111103016594 56.9999975878485,-11.1111111
56.9999975488188,-11.1111118983406 56.9999975878485,-11.696382864389
57.0576417503919,-11.6963835801501 57.0576418546683,-11.6963842547127
57.0576420216394,-12.2591635857596 57.2283592751908,-12.2591645559382
57.2283596706437,-12.7778249579017 57.5055894443578,-12.7778255606922
57.5055898419469,-13.232435205193 57.8786783488813,-13.2324355632048
57.8786787030531,-13.6055240565528 58.3332883596781,-13.6055242632018
58.3332886659866,-13.8827540238281 58.8519490773287,-13.8827541355011
58.8519493443789,-14.0534713791769 59.4147286812904,-14.0534714272347
59.4147289201606,-14.111115586025 59.9999998881884,-14.1111155862184
60.0000001098461,-14.0534714274281 60.5852710739391,-14.0534713844434
60.585271289349,-13.8827541407676 61.1480506147303,-13.8827540485882
61.148050835841,-13.6055242879619 61.6667112289035,-13.6055241254696
61.666711469928,-13.2324356321217 62.1213211030274,-13.2324353506388
62.1213213811136,-12.7778257061379 62.4944098616311,-12.7778252024295
62.4944101925362,-12.259164800466 62.7716399405138,-12.2591638816464
62.7716403119769,-11.6963845505995 62.9423575456898,-11.6963838136893
62.9423577259882,-11.696383016166 62.9423578409172,-11.1111120501176
63.0000019957568,-11.1111111 63.0000020419649,-11.1111101498824
63.0000019957568,-10.525839183834 62.9423578409172,-10.5258383863107
62.9423577259882,-10.5258376494005 62.9423575456898,-9.96305831835364
62.7716403119769,-9.96305739953408 62.7716399405138,-9.44439699757054
62.4944101925362,-9.44439649386208 62.4944098616311,-8.98978684936124
62.1213213811136,-8.98978656787831 62.1213211030274,-8.61669807453032
61.666711469928,-8.61669791203804 61.6667112289035,-8.33946815141182
61.148050835841,-8.33946805923243 61.1480506147303,-8.1687508155566
60.585271289349,-8.16875077257195 60.5852710739391,-8.11110661378164
60.0000001098461))
}}}
--
Ticket URL: <http://trac.osgeo.org/postgis/ticket/2635>
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