itaps-parallel definition for 'neighbors of a part'

[Tim Tautges]

"Objects for which ownership is clearly defined" will definitely be 
different than "objects in the partition", both in the case of 
lower-dimensional entities (which aren't in the 2nd group) and multiple 
partitions (where you have to qualify which partition you're talking about).

Also, now that we're discussing getNumOfTypePar, we should also allow in 
this function for passing something equivalent to "no partition" and "no 
set", so that an application can find information about the global mesh, 
independent of partition.  This will be important for example when 
multiple partitions exist with partitioned objects of different 
dimension (think 3d region partition and surface face partition, where 
objects in the face partition can bound objects in the region partition).

Besides the above, I agree with everything in Onkar's reply.

- tim


Carl Ollivier-Gooch wrote:
> Onkar Sahni wrote:
>> I'm personally okay with either variation of wording on the bits that 
> differ; if pressed, I'd lean towards the second, at least at present.
> 
> The thing that I still can't get past --- and I know I keep coming back 
> to this --- is the implication that there might be objects that -aren't- 
> in the partition.  This may well be just a semantic thing, where 
> "objects in the partition" is being used as an abbreviation for "objects 
> that were used to define the division into parts", and I'm 
> misinterpreting that as "objects for which ownership (right to modify) 
> is clearly defined".  The latter interpretation has to be, in my 
> opinion, a covering of all the entities.  I suppose I'd be willing to 
> relax that to "a covering of all the entities that might be modified", 
> but then queries like getNumOfTypePar are either going to return 
> something other than the total number of entities for which ownership is 
> clearly defined, or have behavior that is counter-intuitive (my 
> intuition, at least, expects that call to give a count for the global 
> parallel mesh).
> 
> Carl
> 

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              Tim Tautges            Argonne National Laboratory
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