[geos-devel] Union problem

[Charlie Savage]

To test the SWIG bindings, I've ported the example.cpp program to Ruby and am checking that the output from both programs matches.

The relations (intersects, disjoint, etc.) all work.

I'm having issues with union though.



Is there something else I'm missing?

Thanks,

Charlie

----------



-------- UNION COMBINATION  ------
Original exception: TopologyException: side location conflict 0 250 1.7e-308
Trying with Common bits remover.
CBR: TopologyException: side location conflict 0 250 1.7e-308
Trying with precision 25

Trying with precision 24

Trying with precision 23

Trying with precision 22

Trying with precision 21

Trying with precision 20

Trying with precision 19

Trying with precision 18

Trying with precision 17

Trying with precision 16

Trying with precision 15

Trying with precision 14

Trying with precision 13

Trying with precision 12

Trying with precision 11

Trying with precision 10

Trying with precision 9

Trying with precision 8

Trying with precision 7

Trying with precision 6

Trying with precision 5

Trying with precision 4

Trying with precision 3

Trying with precision 2

Trying with precision 1
Reduced: TopologyException: side location conflict 0 250 1.7e-308
Trying simplifying with tolerance 0.01

Trying simplifying with tolerance 0.02

Trying simplifying with tolerance 0.03

Trying simplifying with tolerance 0.04
Simplified: TopologyException: side location conflict 0 250 1.7e-308

When I run the code via SWIG (ie, the c api), I get a lot of unhappy messages from geos which I've attached below. When I run the code from example.cpp it works. I think I've got all the geometries correct (all the relation operations work). I've also changed example.cpp to use the default precision model like the c api does. The code take 11 geometries and unions them together. See doc/example.cpp:858. Reduced with precision (25): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (24): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (23): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (22): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (21): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (20): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (19): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (18): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (17): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (16): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (15): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (14): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (13): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (12): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (11): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (10): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (9): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (8): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (7): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (6): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (5): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (4): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (3): TopologyException: side location conflict 0 250 1.7e-308 Reduced with precision (2): TopologyException: side location conflict 0 250 1.7e-308 Simplified with tolerance (0.01): TopologyException: side location conflict 0 250 1.7e-308 Simplified with tolerance (0.02): TopologyException: side location conflict 0 250 1.7e-308 Simplified with tolerance (0.03): TopologyException: side location conflict 0 250 1.7e-308

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