Jelle,
Had a look on your Topo._loop_topo method. Here is your code:
topo_set = set()
while self.topExp.More():
topo_item = topoTypes[topologyType]( self.topExp.Current() )
if topo_item in topo_set:
pass
else:
yield topo_item
topo_set.add(topo_item)
self.topExp.Next()
I think that the line 'if topo_item in topo_set' is not safe, ie you
cannot ensure that this item is really in the set. I suggest you rather
use a builtin OCC comparison method like IsEqual or IsSame. Extracted
from TopoDS_Shape.hxx:
"""
The IsEqual() method returns True if two shapes are equal, i.e. if they
share the same TShape with the same Locations and Orientations.
"""
"""
The IsSame() method returns True if two shapes are same, i.e. if they
share the same TShape with the same Locations. *Orientations may differ*
"""
Here is a fix to your script (that uses IsEqual). You can see that the
output is different. Did'nt try the IsSame() method.
topo_set = set()
while self.topExp.More():
topo_item = topoTypes[topologyType](self.topExp.Current())
#
# Check if already in the set
#
EQUAL = False
for item in topo_set:
if topo_item.IsEqual(item):
EQUAL = True
break
if not EQUAL:
yield topo_item
topo_set.add(topo_item)
self.topExp.Next()
Cheers,
Thomas
Jelle Feringa a écrit :
> Hi,
>
> The topology module has been reworked ( OCC.Utils.topology ).
> Now its easy to find the faces related to a vertex ( & visa versa ),
> the edges incident to a vertex or a face ( & visa versa ).
> Also you can get the ordered edges or vertices from a wire.
>
> I made a test case showing how to fillet a vertex of a cube.
> See the image attached.
>
> Cheers,
>
> -jelle
>
>
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