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Opened 3 months ago

Last modified 3 months ago

#13444 assigned Bugs

boost::geometry::buffer returns only partial result (regression over 1.63.0)

Reported by: andre.meyer@… Owned by: Barend Gehrels
Milestone: To Be Determined Component: geometry
Version: Boost 1.66.0 Severity: Problem
Keywords: Cc:

Description

using boost::geometry::buffer with multilinestring, only 1 of expected 3 polygons are returned.

The fix ist to buffer each linestring separately and union_ them into one multipolygon. This also turned out to be much faster.

I do not have a simple example, but a rather complex one, which I will attach.

Version 1.63.0 returned all 3 polygons, but was also rather slow when compared with the workaround.

Attachments (0)

Change History (9)

comment:1 Changed 3 months ago by anonymous

Cannot attach File... supplying as comment:

Input: MULTILINESTRING((-14900,4 6,73675e+006,-14903,4 6,73675e+006,-14906,6 6,73675e+006,-14906,6 6,73675e+006,-14906,6 6,73675e+006,-14906,6 6,73675e+006,-14906,6 6,73675e+006,-14906,6 6,73675e+006,-14906,3 6,73675e+006,-14906,3 6,73675e+006,-14922,6 6,73676e+006,-14943,1 6,73677e+006,-14943,1 6,73677e+006,-14943,1 6,73677e+006,-14943,1 6,73677e+006,-14943,1 6,73677e+006,-14943,1 6,73677e+006,-14943,5 6,73677e+006,-14943,5 6,73677e+006,-14977,8 6,73678e+006,-14978,2 6,73678e+006,-14978,2 6,73678e+006,-14978,2 6,73678e+006,-14978,2 6,73678e+006,-14978,2 6,73678e+006,-14978,2 6,73678e+006,-14978,2 6,73678e+006,-15011,9 6,73681e+006,-15011,5 6,73681e+006,-15044,5 6,73683e+006,-15044,6 6,73683e+006,-15044,6 6,73683e+006,-15044,6 6,73683e+006,-15044,6 6,73683e+006,-15044,6 6,73683e+006,-15044,6 6,73683e+006,-15044,6 6,73683e+006,-15059,4 6,73683e+006,-15068,1 6,73684e+006,-15069,5 6,73684e+006,-15071 6,73684e+006,-15087,9 6,73685e+006,-15089,5 6,73685e+006,-15091,2 6,73685e+006,-15094,2 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6,73692e+006,-15543,3 6,73692e+006,-15543,3 6,73692e+006,-15543,1 6,73692e+006,-15543,1 6,73692e+006,-15569,3 6,73693e+006),(-14999 6,73676e+006,-14999 6,73676e+006,-14999 6,73676e+006,-14999 6,73676e+006,-14998,3 6,73676e+006,-14998,3 6,73676e+006,-15074,4 6,73679e+006,-15101,6 6,73679e+006,-15101,6 6,73679e+006,-15102,1 6,73679e+006,-15102,1 6,73679e+006,-15102,1 6,73679e+006,-15102,1 6,73679e+006,-15102,1 6,73679e+006,-15105,2 6,73679e+006,-15106,8 6,73679e+006,-15166,9 6,73681e+006,-15195,4 6,73681e+006,-15290,3 6,73683e+006,-15329,8 6,73684e+006,-15347,1 6,73684e+006,-15351,6 6,73684e+006,-15368,4 6,73685e+006,-15371,4 6,73685e+006,-15377,4 6,73685e+006,-15380,5 6,73686e+006,-15413,5 6,73687e+006,-15415 6,73687e+006,-15443,2 6,73689e+006,-15454,8 6,73689e+006,-15456,3 6,73689e+006,-15459,2 6,73689e+006,-15471,4 6,7369e+006,-15486,8 6,7369e+006,-15524,7 6,73692e+006,-15532,6 6,73692e+006,-15543,3 6,73692e+006,-15543,3 6,73692e+006,-15670,5 6,73696e+006,-15675,1 6,73696e+006,-15689,5 6,73696e+006,-15695,9 6,73696e+006,-15697,5 6,73696e+006,-15703,9 6,73696e+006),(-15024,3 6,73674e+006,-15043,4 6,73674e+006,-15098,6 6,73675e+006,-15109,7 6,73675e+006,-15114,2 6,73675e+006,-15209 6,73677e+006,-15329,1 6,73679e+006,-15330,7 6,73679e+006,-15351,3 6,7368e+006,-15398,9 6,7368e+006,-15419,6 6,73681e+006,-15424,2 6,73681e+006,-15445,5 6,73681e+006))

Output bounds for MultiLineString?: MULTIPOLYGON(((-15329,5 6,73679e+006,-15329,5 6,73679e+006,-15331 6,73679e+006,-15419,9 6,7368e+006,-15420 6,7368e+006,-15424,6 6,73681e+006,-15424,7 6,73681e+006,-15446 6,73681e+006,-15445,1 6,73681e+006,-15423,7 6,73681e+006,-15419,2 6,73681e+006,-15330,3 6,73679e+006,-15330,3 6,73679e+006,-15328,7 6,73679e+006,-15328,7 6,73679e+006,-15113,9 6,73675e+006,-15109,4 6,73675e+006,-15098,4 6,73675e+006,-15043,2 6,73674e+006,-15024,2 6,73674e+006,-15024,5 6,73674e+006,-15043,5 6,73674e+006,-15043,6 6,73674e+006,-15098,8 6,73675e+006,-15098,9 6,73675e+006,-15110 6,73675e+006,-15110 6,73675e+006,-15114,6 6,73675e+006,-15114,6 6,73675e+006,-15329,5 6,73679e+006)))

Output union_ over all bounds for each LineString?: MULTIPOLYGON(((-15329,5 6,73679e+006,-15331 6,73679e+006,-15419,9 6,7368e+006,-15420 6,7368e+006,-15424,6 6,73681e+006,-15424,7 6,73681e+006,-15446 6,73681e+006,-15445,1 6,73681e+006,-15423,7 6,73681e+006,-15419,2 6,73681e+006,-15330,3 6,73679e+006,-15330,3 6,73679e+006,-15328,7 6,73679e+006,-15328,7 6,73679e+006,-15113,9 6,73675e+006,-15109,4 6,73675e+006,-15098,4 6,73675e+006,-15043,2 6,73674e+006,-15024,2 6,73674e+006,-15024,5 6,73674e+006,-15043,5 6,73674e+006,-15043,6 6,73674e+006,-15098,8 6,73675e+006,-15098,9 6,73675e+006,-15110 6,73675e+006,-15110 6,73675e+006,-15114,6 6,73675e+006,-15114,6 6,73675e+006,-15329,5 6,73679e+006)),((-15190,4 6,73683e+006,-15190,4 6,73683e+006,-15222,4 6,73684e+006,-15222,4 6,73684e+006,-15268,7 6,73685e+006,-15268,8 6,73685e+006,-15301,3 6,73685e+006,-15301,4 6,73685e+006,-15302,9 6,73685e+006,-15303 6,73685e+006,-15394,1 6,73688e+006,-15394,1 6,73688e+006,-15455,5 6,7369e+006,-15454,3 6,7369e+006,-15393 6,73689e+006,-15301,8 6,73686e+006,-15300,3 6,73686e+006,-15267,9 6,73685e+006,-15247 6,73685e+006,-15387,7 6,73689e+006,-15387,7 6,73689e+006,-15541,7 6,73693e+006,-15541,7 6,73693e+006,-15680,7 6,73698e+006,-15680,7 6,73698e+006,-15696,2 6,73698e+006,-15696,3 6,73698e+006,-15697,7 6,73698e+006,-15697,7 6,73698e+006,-15719,8 6,73699e+006,-15719,9 6,73699e+006,-15721,4 6,73699e+006,-15721,5 6,73699e+006,-15727,2 6,73699e+006,-15725,6 6,737e+006,-15719,9 6,73699e+006,-15718,4 6,73699e+006,-15696,4 6,73699e+006,-15695 6,73698e+006,-15679,6 6,73698e+006,-15679,6 6,73698e+006,-15540,6 6,73694e+006,-15386,6 6,73689e+006,-15234 6,73685e+006,-15221,6 6,73684e+006,-15189,6 6,73683e+006,-15168,8 6,73683e+006,-15177,7 6,73683e+006,-15177,8 6,73683e+006,-15267 6,73686e+006,-15267 6,73686e+006,-15416,6 6,7369e+006,-15416,6 6,7369e+006,-15480,9 6,73692e+006,-15480,9 6,73692e+006,-15677,4 6,73698e+006,-15677,4 6,73698e+006,-15706,6 6,73699e+006,-15706,7 6,73699e+006,-15723,3 6,737e+006,-15723,4 6,737e+006,-15730,7 6,737e+006,-15729,1 6,737e+006,-15721,9 6,737e+006,-15705,4 6,73699e+006,-15676,3 6,73699e+006,-15676,3 6,73699e+006,-15479,8 6,73693e+006,-15479,8 6,73693e+006,-15415,5 6,73691e+006,-15415,5 6,73691e+006,-15265,9 6,73686e+006,-15176,6 6,73684e+006,-15135,9 6,73682e+006,-15111,2 6,73682e+006,-15111,2 6,73682e+006,-15103,6 6,73682e+006,-15098,4 6,73682e+006,-15094,1 6,73682e+006,-15122,1 6,73682e+006,-15293 6,73688e+006,-15353,1 6,73689e+006,-15352 6,7369e+006,-15291,9 6,73688e+006,-15291,9 6,73688e+006,-15120,9 6,73683e+006,-15120,9 6,73683e+006,-15090,1 6,73682e+006,-15090,1 6,73682e+006,-15058,6 6,73681e+006,-15058,6 6,73681e+006,-15030,6 6,7368e+006,-15030,5 6,7368e+006,-15030,1 6,7368e+006,-15030,1 6,7368e+006,-15011,4 6,73679e+006,-15012,9 6,73679e+006,-15012,9 6,73679e+006,-15013,4 6,73679e+006,-15022,5 6,7368e+006,-15028,5 6,7368e+006,-15043,5 6,73681e+006,-15074,6 6,73682e+006,-15276 6,73688e+006,-15274,8 6,73688e+006,-15073,4 6,73682e+006,-15073,4 6,73682e+006,-15049,9 6,73681e+006,-15059,1 6,73682e+006,-15082,1 6,73683e+006,-15100,3 6,73683e+006,-15252,7 6,73688e+006,-15252,7 6,73688e+006,-15500,6 6,73695e+006,-15500,6 6,73695e+006,-15576 6,73698e+006,-15576 6,73698e+006,-15731,2 6,73702e+006,-15734,3 6,73702e+006,-15737,4 6,73702e+006,-15740,5 6,73702e+006,-15739,7 6,73703e+006,-15736,6 6,73703e+006,-15736,5 6,73703e+006,-15733,3 6,73703e+006,-15733,2 6,73703e+006,-15730,1 6,73703e+006,-15730,1 6,73703e+006,-15574,8 6,73698e+006,-15499,5 6,73696e+006,-15251,5 6,73688e+006,-15251,5 6,73688e+006,-15099,1 6,73684e+006,-15099 6,73684e+006,-15080,8 6,73683e+006,-15080,7 6,73683e+006,-15057,6 6,73682e+006,-15057,4 6,73682e+006,-15040,6 6,73681e+006,-15040,5 6,73681e+006,-15011,5 6,7368e+006,-15011,1 6,7368e+006,-14995,2 6,73679e+006,-14980,3 6,73678e+006,-15012,6 6,7368e+006,-15025,6 6,73681e+006,-15031,6 6,73681e+006,-15042,2 6,73682e+006,-15049,7 6,73682e+006,-15051,2 6,73682e+006,-15085,6 6,73684e+006,-15087,1 6,73684e+006,-15085,8 6,73684e+006,-15084,3 6,73684e+006,-15084,3 6,73684e+006,-15049,8 6,73683e+006,-15049,7 6,73683e+006,-15048,2 6,73683e+006,-15048,2 6,73683e+006,-15047,8 6,73683e+006,-15069 6,73684e+006,-15070,4 6,73684e+006,-15071,7 6,73684e+006,-15088,6 6,73685e+006,-15091,8 6,73685e+006,-15336,5 6,73692e+006,-15335,3 6,73692e+006,-15090,6 6,73685e+006,-15090,5 6,73685e+006,-15087,3 6,73685e+006,-15087,2 6,73685e+006,-15078,5 6,73685e+006,-15079,1 6,73685e+006,-15098,3 6,73686e+006,-15107,3 6,73686e+006,-15126,4 6,73686e+006,-15128 6,73686e+006,-15215,8 6,73689e+006,-15215,8 6,73689e+006,-15218,9 6,73689e+006,-15218,9 6,73689e+006,-15462,3 6,73696e+006,-15462,3 6,73696e+006,-15574,7 6,737e+006,-15711,1 6,73704e+006,-15712,6 6,73704e+006,-15742,5 6,73705e+006,-15744 6,73705e+006,-15748,8 6,73705e+006,-15748,5 6,73705e+006,-15743,7 6,73705e+006,-15743,6 6,73705e+006,-15741,9 6,73705e+006,-15741,7 6,73705e+006,-15711,6 6,73704e+006,-15711,6 6,73704e+006,-15710 6,73704e+006,-15710 6,73704e+006,-15573,6 6,737e+006,-15573,6 6,737e+006,-15461,2 6,73697e+006,-15217,8 6,7369e+006,-15214,7 6,73689e+006,-15126,8 6,73687e+006,-15126,8 6,73687e+006,-15125,2 6,73687e+006,-15125,2 6,73687e+006,-15120,6 6,73687e+006,-15131,1 6,73687e+006,-15135,4 6,73687e+006,-15147,5 6,73688e+006,-15195 6,73689e+006,-15196,6 6,73689e+006,-15195,4 6,7369e+006,-15193,9 6,7369e+006,-15193,8 6,7369e+006,-15146,3 6,73688e+006,-15146,2 6,73688e+006,-15134,1 6,73688e+006,-15134 6,73688e+006,-15129,6 6,73688e+006,-15129,4 6,73688e+006,-15089,4 6,73686e+006,-15089,3 6,73686e+006,-15086,4 6,73685e+006,-15086,3 6,73685e+006,-15077,2 6,73685e+006,-15077,1 6,73685e+006,-15077,1 6,73685e+006,-15077,1 6,73685e+006,-15077 6,73685e+006,-15077 6,73685e+006,-15076 6,73685e+006,-15076 6,73685e+006,-15043,6 6,73683e+006,-15043,6 6,73683e+006,-15012 6,73681e+006,-15023,9 6,73682e+006,-15061 6,73685e+006,-15063,5 6,73685e+006,-15071,5 6,73686e+006,-15088,1 6,73686e+006,-15089,5 6,73687e+006,-15096,7 6,73687e+006,-15116,9 6,73688e+006,-15124,4 6,73688e+006,-15135,1 6,73688e+006,-15181,3 6,7369e+006,-15180,2 6,7369e+006,-15134 6,73689e+006,-15133,9 6,73689e+006,-15123,2 6,73688e+006,-15123,2 6,73688e+006,-15115,6 6,73688e+006,-15115,5 6,73688e+006,-15095,2 6,73687e+006,-15095,1 6,73687e+006,-15087,8 6,73687e+006,-15087,7 6,73687e+006,-15086,3 6,73687e+006,-15086,2 6,73687e+006,-15069,5 6,73686e+006,-15069,4 6,73686e+006,-15061,3 6,73685e+006,-15061,2 6,73685e+006,-15058,6 6,73685e+006,-15058,5 6,73685e+006,-15021,4 6,73682e+006,-15021,3 6,73682e+006,-14997 6,7368e+006,-14991,2 6,7368e+006,-14985,6 6,73679e+006,-14982,5 6,73679e+006,-14977,1 6,73679e+006,-14976,9 6,73679e+006,-14961,7 6,73678e+006,-14942,8 6,73677e+006,-14942,6 6,73677e+006,-14942,5 6,73677e+006,-14937,7 6,73677e+006,-14933,5 6,73676e+006,-14922 6,73676e+006,-14905,8 6,73676e+006,-14905,8 6,73676e+006,-14903 6,73676e+006,-14903 6,73676e+006,-14899,9 6,73675e+006,-14900,8 6,73675e+006,-14903,9 6,73675e+006,-14907 6,73675e+006,-14907,1 6,73675e+006,-14923,1 6,73676e+006,-14923,2 6,73676e+006,-14923,8 6,73676e+006,-14943,8 6,73676e+006,-14943,9 6,73676e+006,-14944,1 6,73676e+006,-14944,4 6,73676e+006,-14944,5 6,73676e+006,-14952 6,73677e+006,-14981,2 6,73678e+006,-15022,3 6,73679e+006,-15031,4 6,7368e+006,-15031,6 6,7368e+006,-15031,7 6,7368e+006,-15078,4 6,73681e+006,-15099,8 6,73681e+006,-15112,9 6,73682e+006,-15190,4 6,73683e+006)),((-15318,7 6,73684e+006,-15104,8 6,7368e+006,-15104,8 6,7368e+006,-15103,7 6,7368e+006,-15101,7 6,7368e+006,-15101,6 6,7368e+006,-15098,5 6,73679e+006,-15098,5 6,73679e+006,-15035,5 6,73678e+006,-15036,2 6,73678e+006,-15064,2 6,73678e+006,-14997,6 6,73676e+006,-14997 6,73676e+006,-14996,5 6,73676e+006,-14996,3 6,73676e+006,-14996,4 6,73676e+006,-14996,7 6,73676e+006,-14997,3 6,73676e+006,-14998 6,73676e+006,-14998,7 6,73676e+006,-14999,4 6,73676e+006,-14999,4 6,73676e+006,-15075,1 6,73678e+006,-15102,1 6,73679e+006,-15102,5 6,73679e+006,-15104,4 6,73679e+006,-15330,2 6,73684e+006,-15330,3 6,73684e+006,-15347,5 6,73684e+006,-15347,6 6,73684e+006,-15352,2 6,73684e+006,-15352,3 6,73684e+006,-15372,1 6,73685e+006,-15372,2 6,73685e+006,-15381,3 6,73685e+006,-15381,4 6,73685e+006,-15415,9 6,73687e+006,-15415,9 6,73687e+006,-15444,1 6,73689e+006,-15455,6 6,73689e+006,-15456,6 6,73689e+006,-15459,9 6,73689e+006,-15487,4 6,7369e+006,-15543,9 6,73692e+006,-15670,9 6,73696e+006,-15675,5 6,73696e+006,-15696,2 6,73696e+006,-15704,2 6,73696e+006,-15703,7 6,73697e+006,-15695,6 6,73696e+006,-15695,5 6,73696e+006,-15674,7 6,73696e+006,-15674,7 6,73696e+006,-15670 6,73696e+006,-15669,9 6,73696e+006,-15569,5 6,73693e+006,-15568,6 6,73693e+006,-15542,5 6,73692e+006,-15486,2 6,73691e+006,-15486,1 6,73691e+006,-15458,5 6,7369e+006,-15458,4 6,7369e+006,-15454 6,73689e+006,-15454 6,73689e+006,-15442,4 6,73689e+006,-15442,3 6,73689e+006,-15414,1 6,73687e+006,-15379,6 6,73686e+006,-15370,7 6,73685e+006,-15361,9 6,73685e+006,-15351,1 6,73685e+006,-15349,1 6,73685e+006,-15346,6 6,73685e+006,-15338,7 6,73684e+006,-15329,4 6,73684e+006,-15318,7 6,73684e+006)))

comment:2 Changed 3 months ago by Barend Gehrels

Thanks for the ticket. Could you maybe increase precision on the WKT? Glancing the values, it is not enough (6,73675e+006 all the time). But if it is enough, than it is fine.

comment:3 Changed 3 months ago by anonymous

No, that is definitely not enough, sorry. I'll look into how to adjust precision and will upload again. The process of obtaining these values is rather tedious, though, so it may take some time.

comment:4 Changed 3 months ago by awulkiew

How about the following?

std::cout << std::fixed << std::setprecision(20) << boost::geometry::wkt(geometry) << std::endl;

comment:5 Changed 3 months ago by Barend Gehrels

Thanks for the hint Adam. Please also take care to use "." as decimal separator, instead of the "," in the current sample - because "," is also used to separate the points.

comment:6 Changed 3 months ago by anonymous

Ok, here we go... "C"-locale still uses comma, though. Had to replace it by regexp... Attaching a file to the bug still does not work.

Input Data: MULTILINESTRING((-14900.35406806665400000000 6736752.97813679560000000000,-14903.43210764640800000000 6736753.66526194570000000000,-14906.57033767481900000000 6736754.36135745610000000000,-14906.57033767481900000000 6736754.36135745610000000000,-14906.57033767481900000000 6736754.36135745610000000000,-14906.57033767481900000000 6736754.36135745610000000000,-14906.57033767481900000000 6736754.36135745610000000000,-14906.57033767481900000000 6736754.36135745610000000000,-14906.27865834508300000000 6736754.30215345600000000000,-14906.27865834508300000000 6736754.30215345600000000000,-14922.58303416600400000000 6736758.55049021640000000000,-14943.14611521781100000000 6736765.65497725270000000000,-14943.14611521781100000000 6736765.65497725270000000000,-14943.14611521781100000000 6736765.65497725270000000000,-14943.14611521781100000000 6736765.65497725270000000000,-14943.14611521781100000000 6736765.65497725270000000000,-14943.14611521781100000000 6736765.65497725270000000000,-14943.49318712615800000000 6736765.77697354280000000000,-14943.49318712615800000000 6736765.77697354280000000000,-14977.83473796144400000000 6736783.40904572790000000000,-14978.15333434405500000000 6736783.59921684120000000000,-14978.15333434405500000000 6736783.59921684120000000000,-14978.15333434405500000000 6736783.59921684120000000000,-14978.15333434405500000000 6736783.59921684120000000000,-14978.15333434405500000000 6736783.59921684120000000000,-14978.15333434405500000000 6736783.59921684120000000000,-14978.15333434405500000000 6736783.59921684120000000000,-15011.93864394782000000000 6736805.44739563390000000000,-15011.48556248840600000000 6736805.15855005480000000000,-15044.49527580408000000000 6736826.22277528610000000000,-15044.63635099474000000000 6736826.31427318700000000000,-15044.63635099474000000000 6736826.31427318700000000000,-15044.63635099474000000000 6736826.31427318700000000000,-15044.63635099474000000000 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comment:7 Changed 3 months ago by Barend Gehrels

That precision looks sufficient ;-) Thanks, hope to be able to look today at this.

comment:8 Changed 3 months ago by Barend Gehrels

Status: newassigned

comment:9 Changed 3 months ago by Barend Gehrels

I can reproduce it, thanks for the testcase.

What buffer-distance do you use? I tried 1, 2 and 3 and can reproduce it with 1.

It can be solved (for me) by specifying the define BOOST_GEOMETRY_NO_ROBUSTNESS which internally avoids rescaling.

We are trying to remove rescaling in one of the future releases.

Alternatively, or in combination with this, you can also try to simplify the input before.

But apparently you have already a workaround (which works because it uses different scaling for each of the linestrings).

Thanks again for the ticket, it is included in our testsuite

Last edited 3 months ago by Barend Gehrels (previous) (diff)

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