On 1 February 2013 22:16, Tom Lane wrote:
> Colin Dunklau writes:
>> Hello! I believe I've found a bug in the type conversion process from
>> polygon to point.
>
>> In the documentation found here
>> http://www.postgresql.org/docs/9.2/interactive/functions-geometry.html,
>
>> Table 9-32 claims th
On 3 February 2013 09:16, Dean Rasheed wrote:
>> It looks like what the code is actually computing is the average X
>> position and average Y position of the points listed in the polygon.
Although, if that's really how it's being calculated, then that's not
really the centroid.
Consider for exam
On 1 February 2013 17:54, Colin Dunklau wrote:
> For the below two queries, I expect to get a result of (0.5, 0.5).
>
> cdunklau=# select point( polygon '((0,0),(0,1),(1,1),(0,1))');
> point
> -
> (0.25,0.75)
> (1 row)
>
I think you just simply mistyped the coordinates...
srigg
Dean Rasheed writes:
>>> It looks like what the code is actually computing is the average X
>>> position and average Y position of the points listed in the polygon.
> Although, if that's really how it's being calculated, then that's not
> really the centroid.
Yeah --- according to the wikipedia
