Hi:
Im hoping to use pythonOCC as a part of a project I'm working on for the
RepRap project. My goal is to use the OCC libraries to slice a solid into
layers suitable for rapid prototyping.
Anyway, I've installed pythonOCC successfully, running Python 2.5 on Windows
XP.
When I run the below code ( which reads a STEP file and then attempts to
enumerate the geometry with a TopExp.Topo_Explorer:
from OCC import *
import os
import sys
#read step file
stepReader = STEPControl.STEPControl_Reader();
stepReader.ReadFile('Test.STEP')
numItems = stepReader.NbRootsForTransfer();
numTranslated = stepReader.TransferRoots();
print numTranslated," Items Loaded."
shape = stepReader.OneShape();
print shape;
#make an explorer
te = TopExp.TopExp_Explorer();
te.Init(shape,TopAbs.TopAbs_FACE);
numFaces = 0
while te.More():
numFaces+= 1;
te.Next();
print numFaces," Faces."
The STEP file is read in properly, but then I get an error about the number
of arguments to TopExp_Explorer.Init():
... Step File Reading : Test.STEP
... STEP File Read ...
Elapsed time: 0 Hour(s) 0 Minute(s) 0 Second(s)
CPU user time: 0 seconds
CPU kernel time: 0 seconds
... Step File loaded ...
Elapsed time: 0 Hour(s) 0 Minute(s) 0 Second(s)
CPU user time: 0 seconds
CPU kernel time: 0 seconds
755 records (entities,sub-lists,scopes), 2200 parameters
... Parameters prepared ... Elapsed time: 0 Hour(s) 0 Minute(s) 0
Second(
s)
CPU user time: 0 seconds
CPU kernel time: 0 seconds
... Objets analysed ...
Elapsed time: 0 Hour(s) 0 Minute(s) 0.016 Second(s)
CPU user time: 0.015625 seconds
CPU kernel time: 0 seconds
STEP Loading done : 528 Entities
swig/python detected a memory leak of type 'IFSelect_ReturnStatus *', no
destruc
tor found.
1 Items Loaded.
<OCC.TopoDS.TopoDS_Shape; proxy of <Swig Object of type 'TopoDS_Shape *' at
0x12
03a90> >
Traceback (most recent call last):
File "testOCC.py", line 18, in <module>
te.Init(shape,TopAbs.TopAbs_FACE);
File "C:\Python25\Lib\site-packages\OCC\TopExp.py", line 200, in Init
return _TopExp.TopExp_Explorer_Init(*args)
NotImplementedError: Wrong number of arguments for overloaded function
'TopExp_E
xplorer_Init'.
Possible C/C++ prototypes are:
Init(TopExp_Explorer *,TopoDS_Shape const &,TopAbs_ShapeEnum
const,TopAbs_Sh
apeEnum const)
Init(TopExp_Explorer *,TopoDS_Shape const &,TopAbs_ShapeEnum const)
Can anyone help?
Thanks!
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