Well, the fix turned out to be spectacularly easy after all. The sort was
only used to find the minimum DepthSegment, so I switched to using
Collections.min(), which doesn't have such strict requirements on the
ordering.
https://sourceforge.net/p/jts-topo-suite/code/959/
https://sourceforge.net/p/jts-topo-suite/code/960/
The DepthSegment compareTo still does not obey the contract,
unfortunately. It's difficult to come up with a consistent linear ordering
for 2D segments.
It would be great if someone can build this and give it a test with real
data.
On Wed, Feb 4, 2015 at 7:31 PM, Martin Davis <[email protected]> wrote:
> Some progress to report on this issue... I now have a test harness that
> will cause the failure. I've made some progress towards implementing the
> fix, but it's turning out to be quite complex to handle all cases.
> Hopefully I'll be able to resolve this completely soon..
>
> On Wed, Feb 4, 2015 at 11:00 AM, Martin Davis <[email protected]> wrote:
>
>> Well, it would be great to get this fixed. But I have no test case that
>> I can reproduce the issue with. I need this to determine what the fix
>> should be (the code logic is a bit complex).
>>
>> Ideally this would be in the form of some synthetic DepthSegments which
>> when sorted produce the issue. Failing that, a geometry and the call that
>> produces the error...
>>
>> On Wed, Feb 4, 2015 at 7:00 AM, Marcell Roth <[email protected]> wrote:
>>
>>> Hi,
>>>
>>> we still have issues with Java 7 and the problem described in the
>>> following discussion:
>>>
>>> *http://sourceforge.net/p/jts-topo-suite/mailman/message/30364799/*
>>> <http://sourceforge.net/p/jts-topo-suite/mailman/message/30364799/>
>>>
>>> Our Java version:
>>>
>>> java version "1.7.0_55"
>>> Java(TM) SE Runtime Environment (build 1.7.0_55-b13)
>>> Java HotSpot(TM) 64-Bit Server VM (build 24.55-b03, mixed mode)
>>>
>>>
>>> Will the next release of JTS support Java 7 or even Java 8? Do you know
>>> approximately when the next version will be released?
>>>
>>>
>>> Kind regards,
>>>
>>>
>>> Marcell
>>>
>>>
>>> *Marcell Roth*
>>> Software Engineer
>>> SDI & E-Government
>>>
>>> *con terra *- Gesellschaft für Angewandte Informationstechnologie mbH
>>> Martin-Luther-King-Weg 24
>>> 48155 Münster
>>>
>>> Telefon +49 89 207 005 2444
>>> *[email protected]* <[email protected]>
>>> *www.conterra.de* <http://www.conterra.de/>
>>>
>>> Geschäftsführung: Karl Wiesmann, Uwe König
>>> Amtsgericht Münster HRB 4149
>>> Ust.IDNr. DE 162264061
>>>
>>>
>>>
>>>
>>>
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>>
>
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leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net/
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