Geometry Boost List: [ggl] incorrect result for an intersection

Subject: [ggl] incorrect result for an intersection
From: Barend Gehrels (barend)
Date: 2011-04-16 03:00:02

Hi Arash,

On 16-4-2011 6:59, Arash Partow wrote:
> Barend Gehrels wrote:
>> The input is reported as invalid by both SQL Server and PostGIS 
>> ("Self-intersection[447765 503335]").
>>
>
> I'm curious to know why GPC is not used as the gold standard?

Good question - for SQL Server and PostGIS I can just create one SQL 
statement, inputting one or two WKT's, and get the results. And I'm 
quite used to these products.

For GPC I've to program input, algorithm, output. But anyway, of course 
it is an alternative.

Regards, Barend