bugpyFormex - Bugs: bug #55966, Mesh.partitionByConnection fails...


bug #55966: Mesh.partitionByConnection fails when splitting meshes of discconnected single elements

Submitted by:  francesco <francio>
Submitted on:  Wed 20 Mar 2019 04:36:59 PM UTC  
Category:  Core Severity:  3 - Normal
Item Group:  Functionality error Status:  Fixed
Privacy:  Public Assigned to:  Benedict Verhegghe <bverheg>
Open/Closed:  Closed

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Wed 20 Mar 2019 06:48:11 PM UTC, comment #1: 

This has been fixed in aaa1489b.

Benedict Verhegghe <bverheg>
Project AdministratorIn charge of this item.
Wed 20 Mar 2019 04:36:59 PM UTC, original submission:  

In the example attached I tested few cases.

The error I receive is

Traceback (most recent call last):
  File "/home/francesco/FEops/test_pyformex/A3-testpartition.py", line 15, in <module>
  File "/home/francesco/pyformex/pyformex/mesh.py", line 1170, in partitionByConnection
    p = self.frontWalk(level=level, startat=startat, frontinc=0, partinc=1, maxval=nparts)
  File "/home/francesco/pyformex/pyformex/mesh.py", line 1115, in frontWalk
    return self.adjacency(level).frontWalk(startat=startat, frontinc=frontinc, partinc=partinc, maxval=maxval)
  File "/home/francesco/pyformex/pyformex/mesh.py", line 1067, in adjacency
    return elems.adjacency()
  File "/home/francesco/pyformex/pyformex/connectivity.py", line 1013, in adjacency
    adj = Adjacency(adj)
  File "/home/francesco/pyformex/pyformex/adjacency.py", line 273, in _new_
    ar = _reduceAdjacency(ar).view(clas)
  File "/home/francesco/pyformex/pyformex/adjacency.py", line 125, in _reduceAdjacency
    adj[adj == np.arange(n).reshape(n, -1)] = -1 # remove the item i
ValueError: cannot reshape array of size 0 into shape (0,newaxis)

francesco <francio>
Project Member


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Attach Files:

Attached Files
file #46594:  A3-testpartition.py added by francio (582B - text/x-python)


Depends on the following items: None found

Items that depend on this one: None found


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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2019-04-20 bverheg Open/ClosedOpen => Closed
    2019-03-20 bverheg StatusNone => Fixed
        Assigned toNone => bverheg
    2019-03-20 francio Attached File- => Added A3-testpartition.py, #46594

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