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import core.modules
import core.modules.module_registry
from core.modules.vistrails_module import Module, ModuleError
from Array import *
import scipy
import scipy.signal
from scipy import sparse, fftpack
import numpy
class WindowModule(object):
my_namespace = 'scipy|signals|windows'
class HanningWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.hanning(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class TriangularWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.triang(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class BlackmanWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.blackman(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class BlackmanHarrisWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.blackmanharris(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class ParzenWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.parzen(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class HammingWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.hamming(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class KaiserWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
beta = self.getInputFromPort("Beta")
out = NDArray()
out.set_array(scipy.signal.kaiser(size, beta))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_input_port(cls, "Beta", (basic.Float, 'Beta'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class BartlettHannWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.barthann(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class GaussianWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
sigma = self.getInputFromPort("Sigma")
out = NDArray()
out.set_array(scipy.signal.gaussian(size, sigma))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_input_port(cls, "Sigma", (basic.Float, 'Sigma'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class BoxcarWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.boxcar(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class BohmanWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.bohman(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class BartlettWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.bartlett(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
class NuttallBlackmanHarrisWindow(WindowModule, Module):
def compute(self):
size = self.getInputFromPort("Window Size")
out = NDArray()
out.set_array(scipy.signal.nuttall(size))
self.setResult("Window", out)
@classmethod
def register(cls, reg, basic):
reg.add_module(cls, namespace=cls.my_namespace)
reg.add_input_port(cls, "Window Size", (basic.Integer, 'Window Size'))
reg.add_output_port(cls, "Window", (NDArray, 'Window Function'))
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