[geos-devel] Re: [GEOS] #238: Internal error: 7 ERROR: GEOS union() threw an error!

[Martin Davis]

Some of the input geometries are invalid.  E.g.:

POLYGON ((2.258066867485107 48.93785086928844, 2.258067003845864 
48.93785095931015, 2.2581440887494755 48.93779040161313, 
2.2582914246588346 48.937674407205286, 2.258445457963162 
48.93755248201752, 2.2584302450999854 48.93750489998165, 
2.258625001097988 48.93761276692287, 2.258667007175787 
48.937636176886954, 2.258401449030637 48.937844895368926, 
2.2582500127310627 48.937964034543946, 2.2580936890235614 
48.937980293273775, 2.2580727315716556 48.93785438051251, 
2.258066867485107 48.93785086928844))

Self-intersection at or near point (-2.3377135563878757E-4, 
3.5095455846351724E-4, NaN)

GEOS wrote:
> #238: Internal error: 7 ERROR:  GEOS union() threw an error!
> ------------------------+---------------------------------------------------
>  Reporter:  julich      |        Owner:  geos-devel at lists.osgeo.org
>      Type:  defect      |       Status:  new                       
>  Priority:  major       |    Milestone:  3.1.0                     
> Component:  Default     |      Version:  3.0.3                     
>  Severity:  Unassigned  |   Resolution:                            
>  Keywords:              |  
> ------------------------+---------------------------------------------------
>   

-- 
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022