Subject: [ggl] union_inserter with ring output
From: Lee (lee)
Date: 2009-11-28 13:54:58
Barend Gehrels wrote:
>> In the case of 'ring + ring -> ring' with union_inserter is there a
>> guarantee that no less and no more than one result object will be
> No, if both rings are disjoint, both will be output, so in that case
> you get two objects.
> If both rings are empty (zero coordinates), you should get nothing,
> but this is probably an exceptional case.
That makes the need for an OutputIterator interface much more clear.
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