________________________________
De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De la part de Dave Cowden
Envoyé : dimanche 5 octobre 2008 03:14
À : minerva-pythonocc@gna.org
Objet : [Minerva-pythonocc] Help with TopExp...
>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!
Hello,
Thank you for this feedback. This issue is related to the multi module
development with SWIG. I currently work on a new release that should fix that
problem and also add new features to pythonOCC.
Best regards,
Thomas Paviot
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