GEOS Error

Does anyone know what this error may result from:
GEOS_ERROR: TopologyException: no outgoing dirEdge found (74.5584,-90,-90)
Segmentation fault

I am getting it for various projections and datasets...

working with mpl_toolkits.basemap

Thanks!

···

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John [H2O] wrote:

Does anyone know what this error may result from:
GEOS_ERROR: TopologyException: no outgoing dirEdge found (74.5584,-90,-90)
Segmentation fault

I am getting it for various projections and datasets...

working with mpl_toolkits.basemap

Thanks!
  

What versions of python, numpy, matplotlib, basemap and the GEOS library do you have?

-Jeff

···

--
Jeffrey S. Whitaker Phone : (303)497-6313
Meteorologist FAX : (303)497-6449
NOAA/OAR/PSD R/PSD1 Email : Jeffrey.S.Whitaker@...259...
325 Broadway Office : Skaggs Research Cntr 1D-113
Boulder, CO, USA 80303-3328 Web : http://tinyurl.com/5telg

  

What versions of python, numpy, matplotlib, basemap and the GEOS library
do you have?

-Jeff

numpy - 1.2.0
matplotlib - 0.98.5.2
basemap - 0.99.3

As for GEOS version, not sure but I have these files in /usr/lib
libgeos_c.so.1 libgeos.so.2 libgeotiff.so.1
libgeotiff.so.1.2.5
libgeos_c.so.1.1.1 libgeos.so.2.2.3 libgeotiff.so.1.2

Thanks,
john

···

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I have also seen this error and I believe it is to do with identical
geometries being unioned. I cleaned my dataset using someting like

select t1.id from points t1, points t2 where t1.id<>t2.id and
st_equals(t1.geom,t2.geom)='t' group by t1.id

to find all the duplicates which i then deleted. The st_union function then
worked as expected.

Jeff Whitaker wrote:

···

John [H2O] wrote:

Does anyone know what this error may result from:
GEOS_ERROR: TopologyException: no outgoing dirEdge found
(74.5584,-90,-90)
Segmentation fault

I am getting it for various projections and datasets...

working with mpl_toolkits.basemap

Thanks!
  

What versions of python, numpy, matplotlib, basemap and the GEOS library
do you have?

-Jeff

--
Jeffrey S. Whitaker Phone : (303)497-6313
Meteorologist FAX : (303)497-6449
NOAA/OAR/PSD R/PSD1 Email : Jeffrey.S.Whitaker@...259...
325 Broadway Office : Skaggs Research Cntr 1D-113
Boulder, CO, USA 80303-3328 Web : http://tinyurl.com/5telg

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