#0  0x00007fda35082248 in vtkDataArrayTemplate<double>::GetTuple(long long, double*) () from /usr/lib/libvtkCommon.so.5.4
No symbol table info available.
#1  0x00007fda340cba59 in vtkPolygon::ComputeNormal(vtkPoints*, int, long long*, double*) () from /usr/lib/libvtkFiltering.so.5.4
No symbol table info available.
#2  0x00007fda2b2d14d8 in vtkPolyDataNormals::RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) () from /usr/lib/libvtkGraphics.so.5.4
No symbol table info available.
#3  0x00007fda3401d094 in vtkExecutive::CallAlgorithm(vtkInformation*, int, vtkInformationVector**, vtkInformationVector*) () from /usr/lib/libvtkFiltering.so.5.4
No symbol table info available.
#4  0x00007fda340166fc in vtkDemandDrivenPipeline::ExecuteData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) () from /usr/lib/libvtkFiltering.so.5.4
No symbol table info available.
#5  0x00007fda34019862 in vtkDemandDrivenPipeline::ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) () from /usr/lib/libvtkFiltering.so.5.4
No symbol table info available.
#6  0x00007fda34101e34 in vtkStreamingDemandDrivenPipeline::ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) () from /usr/lib/libvtkFiltering.so.5.4
No symbol table info available.
#7  0x00007fda340182a7 in vtkDemandDrivenPipeline::UpdateData(int) () from /usr/lib/libvtkFiltering.so.5.4
No symbol table info available.
#8  0x00007fda341052d3 in vtkStreamingDemandDrivenPipeline::Update(int) () from /usr/lib/libvtkFiltering.so.5.4
No symbol table info available.
#9  0x00007fda34465b4a in ?? () from /usr/lib/libvtkFilteringPythonD.so.5.4
No symbol table info available.
#10 0x00000000004965f1 in PyEval_EvalFrameEx ()
No symbol table info available.
#11 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#12 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#13 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#14 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#15 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#16 0x00000000004c4526 in ?? ()
No symbol table info available.
#17 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#18 0x000000000045f43f in ?? ()
No symbol table info available.
#19 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#20 0x0000000000496c4e in PyEval_EvalFrameEx ()
No symbol table info available.
#21 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#22 0x00000000004c4526 in ?? ()
No symbol table info available.
#23 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#24 0x000000000045f43f in ?? ()
No symbol table info available.
#25 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#26 0x00000000004c976d in ?? ()
No symbol table info available.
#27 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#28 0x00007fda2143542e in ?? () from /usr/lib/python2.7/dist-packages/enthought/traits/ctraits.so
No symbol table info available.
#29 0x00007fda214356c8 in ?? () from /usr/lib/python2.7/dist-packages/enthought/traits/ctraits.so
No symbol table info available.
#30 0x00007fda21437474 in ?? () from /usr/lib/python2.7/dist-packages/enthought/traits/ctraits.so
No symbol table info available.
#31 0x00000000004965f1 in PyEval_EvalFrameEx ()
No symbol table info available.
#32 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#33 0x0000000000496a92 in PyEval_EvalFrameEx ()
No symbol table info available.
#34 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#35 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#36 0x00000000004c46f8 in ?? ()
No symbol table info available.
#37 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#38 0x0000000000498461 in PyEval_EvalFrameEx ()
No symbol table info available.
#39 0x000000000049d885 in PyEval_EvalCodeEx ()
No symbol table info available.
#40 0x0000000000496a92 in PyEval_EvalFrameEx ()
No symbol table info available.
#41 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#42 0x0000000000496a92 in PyEval_EvalFrameEx ()
No symbol table info available.
#43 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#44 0x00000000004c46f8 in ?? ()
No symbol table info available.
#45 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#46 0x0000000000498461 in PyEval_EvalFrameEx ()
No symbol table info available.
#47 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#48 0x00000000004c4526 in ?? ()
No symbol table info available.
#49 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#50 0x0000000000495d46 in PyEval_CallObjectWithKeywords ()
No symbol table info available.
#51 0x00007fda20cec4f6 in wxPyCallback::EventThunker(wxEvent&) () from /usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core_.so
No symbol table info available.
#52 0x00007fda1f087ad5 in wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0
No symbol table info available.
#53 0x00007fda1f087ebf in wxEvtHandler::SearchDynamicEventTable(wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0
No symbol table info available.
#54 0x00007fda1f087f72 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0
No symbol table info available.
#55 0x00007fda1f087a40 in wxEvtHandler::ProcessPendingEvents() () from /usr/lib/libwx_baseu-2.8.so.0
No symbol table info available.
#56 0x00007fda1f0054f9 in wxAppConsole::ProcessPendingEvents() () from /usr/lib/libwx_baseu-2.8.so.0
No symbol table info available.
#57 0x00007fda1f9795b8 in wxAppBase::ProcessIdle() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
No symbol table info available.
#58 0x00007fda1f8e7f8e in ?? () from /usr/lib/libwx_gtk2u_core-2.8.so.0
No symbol table info available.
#59 0x00007fda1d1cebcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#60 0x00007fda1d1cf3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#61 0x00007fda1d1cf9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#62 0x00007fda1eaa0a37 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#63 0x00007fda1f8fc578 in wxEventLoop::Run() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
No symbol table info available.
#64 0x00007fda1f9793eb in wxAppBase::MainLoop() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
No symbol table info available.
#65 0x00007fda20ce9077 in wxPyApp::MainLoop() () from /usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core_.so
No symbol table info available.
#66 0x00007fda20d63333 in ?? () from /usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core_.so
No symbol table info available.
#67 0x000000000049a54e in PyEval_EvalFrameEx ()
No symbol table info available.
#68 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#69 0x00000000004c4526 in ?? ()
No symbol table info available.
#70 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#71 0x000000000045f43f in ?? ()
No symbol table info available.
#72 0x000000000045d864 in PyObject_Call ()
No symbol table info available.
#73 0x0000000000496c4e in PyEval_EvalFrameEx ()
No symbol table info available.
#74 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#75 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#76 0x0000000000496dbf in PyEval_EvalFrameEx ()
No symbol table info available.
#77 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#78 0x0000000000496a92 in PyEval_EvalFrameEx ()
No symbol table info available.
#79 0x000000000049d885 in PyEval_EvalCodeEx ()
No symbol table info available.
#80 0x0000000000496a92 in PyEval_EvalFrameEx ()
No symbol table info available.
#81 0x000000000049d325 in PyEval_EvalCodeEx ()
No symbol table info available.
#82 0x00000000004ecb02 in PyEval_EvalCode ()
No symbol table info available.
#83 0x00000000004fdc74 in ?? ()
No symbol table info available.
#84 0x000000000042c182 in PyRun_FileExFlags ()
No symbol table info available.
#85 0x000000000042cb4a in PyRun_SimpleFileExFlags ()
No symbol table info available.
#86 0x0000000000418c9e in Py_Main ()
No symbol table info available.
#87 0x00007fda38f0aeff in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#88 0x00000000004c62b1 in _start ()
No symbol table info available.