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[英]Probing/sampling/interpolating VTK data using python TVTK or MayaVi
[英]Python/Mayavi/VTK Error: Imported VTK version does not match TVTK classes
當我使用mayavi(4.3.1)可視化網格時,它會發出以下警告:
警告:導入的VTK版本(5.1)與用於構建TVTK類的版本(6.3)不匹配。 這可能會導致問題。 請重建TVTK。
我的系統:MS Windows 7 64位,Anaconda 4.3.1(最新版本),
<code>
$ conda list qt
# packages in environment at C:\ProgramData\Anaconda2:
#
pyqt 4.11.4 py27_7 anaconda
qt 4.8.7 vc9_9 [vc9] anaconda
qtawesome 0.4.3 py27_0
qtconsole 4.2.1 py27_0 anaconda
qtpy 1.2.1 py27_0
$ conda list vtk
# packages in environment at C:\ProgramData\Anaconda2:
#
vtk 5.10.1 py27_0 anaconda
$ conda list mayavi
# packages in environment at C:\ProgramData\Anaconda2:
#
mayavi 4.5.0 <pip>
</code>
我搜索了論壇,但大多數答案都把它視為4年前VTK中的一個錯誤,例如, Mayavi中的TVTK錯誤(Python) 。 我不確定它是否有一個堅定的解決方案。 在我的計算機中,確實有另一個版本的VTK(版本> 6),但它是用C ++編寫的,與python和Mayavi沒有任何關系。
我運行Maya示例代碼時遇到的錯誤如下(由於我的VTK是5.10(如上所述),警告消息非常混亂,而且版本5.1的版本很奇怪),
<code>
>>> runfile('D:/flex_8state/code/spherical_harmonics.py', wdir='D:/flex_8state/code')
********************************************************************************
WARNING: Imported VTK version (5.1) does not match the one used
to build the TVTK classes (6.3). This may cause problems.
Please rebuild TVTK.
********************************************************************************
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\ProgramData\Anaconda2\lib\site-packages\spyder\utils\site\sitecustomize.py", line 866, in runfile
execfile(filename, namespace)
File "C:\ProgramData\Anaconda2\lib\site-packages\spyder\utils\site\sitecustomize.py", line 87, in execfile
exec(compile(scripttext, filename, 'exec'), glob, loc)
File "D:/flex_8state/code/spherical_harmonics.py", line 36, in <module>
mlab.figure(1, bgcolor=(1, 1, 1), fgcolor=(0, 0, 0), size=(400, 300))
File "C:\ProgramData\Anaconda2\lib\site-packages\mayavi\tools\figure.py", line 85, in figure
engine.new_scene(name=name, size=size)
File "C:\ProgramData\Anaconda2\lib\site-packages\apptools\scripting\recordable.py", line 45, in _wrapper
result = func(*args, **kw)
File "C:\ProgramData\Anaconda2\lib\site-packages\mayavi\core\engine.py", line 452, in new_scene
viewer = self.scene_factory(**factory_kwargs)
File "C:\ProgramData\Anaconda2\lib\site-packages\mayavi\core\ui\mayavi_scene.py", line 89, in viewer_factory
viewer.open()
File "C:\ProgramData\Anaconda2\lib\site-packages\pyface\i_window.py", line 166, in open
self._create()
File "C:\ProgramData\Anaconda2\lib\site-packages\pyface\ui\qt4\application_window.py", line 121, in _create
contents = self._create_contents(self.control)
File "C:\ProgramData\Anaconda2\lib\site-packages\tvtk\tools\ivtk.py", line 404, in _create_contents
self.scene = self._scene_factory(parent)
File "C:\ProgramData\Anaconda2\lib\site-packages\mayavi\core\ui\mayavi_scene.py", line 68, in mayavi_scene_factory
s = MayaviScene(parent, stereo=p['stereo'])
File "C:\ProgramData\Anaconda2\lib\site-packages\tvtk\pyface\ui\qt4\decorated_scene.py", line 59, in __init__
super(DecoratedScene, self).__init__(parent, **traits)
File "C:\ProgramData\Anaconda2\lib\site-packages\tvtk\pyface\ui\qt4\scene.py", line 325, in __init__
self.picker = picker.Picker(self)
File "C:\ProgramData\Anaconda2\lib\site-packages\tvtk\pyface\picker.py", line 260, in __init__
configure_input(self.p_mapper, self.p_source)
File "C:\ProgramData\Anaconda2\lib\site-packages\tvtk\common.py", line 88, in configure_input
inp.input = op.output
File "C:\ProgramData\Anaconda2\lib\site-packages\traits\trait_handlers.py", line 104, in _read_only
name, class_of( object ) )
traits.trait_errors.TraitError: The 'input' trait of a PolyDataMapper instance is 'read only'.
</code>
經過3天的艱苦努力,我找到了一個解決方法,我在這里發布了對類似的受害者有所幫助。 我強烈建議Mayavi / TVTK的開發人員更加關注這個bug。
這篇文章給了我很多幫助, https://github.com/ContinuumIO/anaconda-issues/issues/1510 。 相同的初始安裝,然后更新(我的初始帖子)VTK從5到6,如https://repo.continuum.io/pkgs/free/win-64/中所列。 基於python / VTK版本的更改的SetInputConnection / SetInputData接口的內在錯誤。
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