[Dune] [Dune-Commit] dune-grid r6196 - trunk/m4

[Oliver Sander]

> These warning messages are to be expected. They origin from the "wrong" test for
> geometryInFather. This test assumes that the union of the children of one
> element from exactly the father element. But this is not true, if the nodes
> created during adaptation are projected to the boundary (which is the case,
> here). Should we disable the geometryInFather-check in this special setting?
>   
Yes, because they test for something which isn't true.

test-ug.cc contains a test where the output of geometryInFather is compared
for a single grid once with parametrized boundaries and once without.
Maybe that is of interest to you, too.

--
Oliver


> As for the problems mentioned in the FlySpray: Do they still persist? I usually
> only check with Alberta 3.0 (except when I know it might break Alberta 2.0).
>
> Yours,
>
> Martin
>
> Jö Fahlke wrote:
>   
>> Am Tue, 19. Jan 2010, 19:49:23 +0100 schrieb joe at dune-project.org:
>>     
>>> Author: joe
>>> Date: 2010-01-19 19:49:23 +0100 (Tue, 19 Jan 2010)
>>> New Revision: 6196
>>>       
>> [...]
>>     
>>> This magically seems to make the test dune/grid/test/test-alberta pass,
>>> although there are still messages like
>>>
>>>   geometryInFather yields different vertex position (son: 1.41421 0, father: 1 0)
>>>       
>> Actually, it doesn't, at least not with Alberta 2.0.1.  The message was
>> produced with Alberta 3, and there are more messages like it:
>>
>> ======================================================================
>> geometryInFather yields different vertex position (son: 1.41421 0, father: 1 0).
>> geometryInFather yields different vertex position (son: 1.41421 0, father: 1 0).
>> geometryInFather yields different vertex position (son: 0 -1.41421, father: 0 -1).
>> geometryInFather yields different vertex position (son: 0 -1.41421, father: 0 -1).
>> geometryInFather yields different vertex position (son: -1.41421 0, father: -1 0).
>> geometryInFather yields different vertex position (son: -1.41421 0, father: -1 0).
>> geometryInFather yields different vertex position (son: 0 1.41421, father: 0 1).
>> geometryInFather yields different vertex position (son: 0 1.41421, father: 0 1).
>> Warning: geometryInFather yields different vertex positions.
>>          This behaviour may be correct if the grid is not nested geometrically.
>> ======================================================================
>>
>> So does anyone know whether this is expected?
>>
>> Bye,
>> Jö.
>>
>>
>>
>> ------------------------------------------------------------------------
>>
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>>     
>
>   


-- 
************************************************************************
* Oliver Sander                ** email: sander at mi.fu-berlin.de        *
* Freie Universität Berlin     ** phone: + 49 (30) 838 75348           *
* Institut für Mathematik      ** URL  : page.mi.fu-berlin.de/~sander  *
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* 14195 Berlin, Germany        ** Member of MATHEON (www.matheon.de)   *
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