Re: [geos-devel] RE: [GEOS] #468: Geometry breaks valid() and buffer(): Assertion failed: (0), function query, file AbstractSTRtree.cpp, line 286

2011-08-22 Thread Christopher DeMars
I'm thinking that there must be some sort of conflict between the GEOS and geodjango. Has the API changed significantly lately? After installing the latest SVN release (3.4.0dev-CAPI-1.8.0), things got worse, not better. Now no geometry will buffer, even super simple example geometries from

Re: [geos-devel] RE: [GEOS] #468: Geometry breaks valid() and buffer(): Assertion failed: (0), function query, file AbstractSTRtree.cpp, line 286

2011-08-19 Thread Christopher DeMars
1.12, and can confirm that both isValid and buffer work correctly.  The buffer operation does take quite a while and requires a significant amount of memory. So the geometry is fine.  There may be some issues with GEOS. On 8/18/2011 3:44 PM, Christopher DeMars wrote: Since the ticket upload

Re: [geos-devel] RE: [GEOS] #468: Geometry breaks valid() and buffer(): Assertion failed: (0), function query, file AbstractSTRtree.cpp, line 286

2011-08-19 Thread Christopher DeMars
with the polygon, at least from the JTS perspective.  Perhaps Sandro can shed some light on the issue... On 8/19/2011 7:03 AM, Christopher DeMars wrote: Thank you Mr. Davis for your attention, I tried your suggestion of buffering elements individually then merging the buffers. I buffered several