paraview.simple.TableFFT(*input, **params)

Performs the Fast Fourier Transform on the columns of a table.

Data Descriptors


Specify the number of samples which will overlap between each block / segment. If value is not in a valid range (ie inferior to 0 or superior to BlockSize) then the value BlockSize / 2 will be used. Only used if UseWelchMethod is true.


Specify the number of samples to use for each block / segment in the Welch method. This should be a power of 2 in order to achieve better performance.


Specify if the filter should create a frequency column based on a column named “time” (not case sensitive). An evenly-spaced time array is expected.


If the “Time” column is not found then this value will be used as the sample rate of the input.


Remove trend on each segment before applying the FFT. This is a constant detrend where the mean of the signal is substracted to the signal. Only used if UseWelchMethod is true.


This property specifies the input to the filter.


Specify if the output should be normalized. Only used if UseWelchMethod is false.


Specify if the filter should use the optimized discrete fourier transform for real values. This will cause output columns to have from n to ((n / 2) + 1) rows.


Set what scaling should be used when applying the Welch method.


Specify if filter should use the Welch / periodogram method. If true the input will be split in multiple segment to compute an average fft across all segments / blocks. This can be faster for input with lots of samples and also remove some noise.


Specify the windowing function to apply on the input. This allows to better process data that is not periodic. When Welch method is used, the window is applied to each frame.

Data Descriptors inherited from Proxy


dictionary for instance variables (if defined)


list of weak references to the object (if defined)


Initialize = aInitialize(self, connection=None, update=True)

Methods inherited from SourceProxy


Called when the filename of a source proxy is changed.


Returns the associated cell data information.

GetDataInformation(self, idx=None)

This method returns a DataInformation wrapper around a vtkPVDataInformation


Returns the associated cell data information.


Returns the associated point data information.

UpdatePipeline(self, time=None)

This method updates the server-side VTK pipeline and the associated data information. Make sure to update a source to validate the output meta-data.


This method updates the meta-data of the server-side VTK pipeline and the associated information properties

__getitem__(self, idx)

Given a slice, int or string, returns the corresponding output port

Methods inherited from Proxy

GetProperty(self, name)

Given a property name, returns the property object.

GetPropertyValue(self, name)

Returns a scalar for properties with 1 elements, the property itself for vectors.

InitializeFromProxy(self, aProxy, update=True)

Constructor. Assigns proxy to self.SMProxy, updates the server object as well as register the proxy in _pyproxies dictionary.


Returns a list of all property names on this proxy.

SetPropertyWithName(self, pname, arg)

Generic method for setting the value of a property.


Destructor. Cleans up all observers as well as remove the proxy from the _pyproxies dictionary

__eq__(self, other)

Returns true if the underlying SMProxies are the same.

__getattr__(self, name)

With the exception of a few overloaded methods, returns the SMProxy method


Return hash(self).

__init__(self, **args)

Default constructor. It can be used to initialize properties by passing keyword arguments where the key is the name of the property. In addition registrationGroup and registrationName (optional) can be specified (as keyword arguments) to automatically register the proxy with the proxy manager.


Creates an iterator for the properties.

__ne__(self, other)

Returns false if the underlying SMProxies are the same.

__setattr__(self, name, value)

Implement setattr(self, name, value).

add_attribute(self, name, value)

For the full list of servermanager proxies, please refer to Available readers, sources, writers, filters and animation cues