[postgis-users] Infinite loop in st_intersects - because of incorrect data out of st_transform?

[Paul Ramsey]

http://trac.osgeo.org/postgis/attachment/ticket/987/inf3.patch

On Fri, May 27, 2011 at 9:28 AM, Paul Ramsey <pramsey at opengeo.org> wrote:
> I'm finding it difficult to have the regression test and also the
> NOTICE in isvalid and also have the differential behaviour for
> different versions of GEOS. One is going to have to go.  I can't
> ensure the "reason" I provide in my short circuit to match the reason
> GEOS is going to give.
>
> On Thu, May 26, 2011 at 11:00 PM, Sandro Santilli <strk at keybit.net> wrote:
>> On Thu, May 26, 2011 at 11:46:34AM -0700, Paul Ramsey wrote:
>>> Like so?
>>>
>>> http://trac.osgeo.org/postgis/attachment/ticket/987/inf2.patch
>>
>> A few points:
>>
>> 1: GEOS-driven ST_IsValid raises a NOTICE containing the reason, home-made
>>   version should do the same.
>> 2: I see you're not handling nan, just infinite. Is that intentional ?
>> 3: GEOS-3.2 also survive the inf/nans in GEOSValid, why checkin for 3.3+ ?
>> 4: Expecting the error in tickets.sql makes the whole test file
>>   pass or fail based on the version of GEOS you built postgis against.
>>
>> --strk;
>>
>>  ()   Free GIS & Flash consultant/developer
>>  /\   http://strk.keybit.net/services.html
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>