updated test.py with new functions

code/test.py

@@ -60,18 +60,52 @@ def extract_stim_data(stimulus):
         Current EODf.
     stim_freq : float
         The total stimulus frequency (EODF+df).
+    amp_mod : float
+        The current amplitude modulation.
+    ny_freq : float
+        The current nyquist frequency.
 
     '''
     # extract metadata
     # the stim.name adjusts the first key as it changes with every stimulus
     amplitude = stim.metadata[stim.name]['Contrast'][0][0] 
     df = stim.metadata[stim.name]['DeltaF'][0][0]
-    eodf = stim.metadata[stim.name]['EODf'][0][0]
+    eodf = round(stim.metadata[stim.name]['EODf'][0][0])
-    stim_freq = stim.metadata[stim.name]['Frequency'][0][0]
+    stim_freq = round(stim.metadata[stim.name]['Frequency'][0][0])
-    return amplitude, df, eodf, stim_freq
+    # calculates the amplitude modulation
+    amp_mod, ny_freq = AM(eodf, stim_freq)
+    return amplitude, df, eodf, stim_freq, amp_mod, ny_freq
+
+def AM(EODf, stimulus):
+    """
+    Calculates the Amplitude Modulation and Nyquist frequency
+
+    Parameters
+    ----------
+    EODf : float or int
+        The current EODf.
+    stimulus : float or int
+        The absolute frequency of the stimulus.
+
+    Returns
+    -------
+    AM : float 
+        The amplitude modulation resulting from the stimulus.
+    nyquist : float
+        The maximum frequency possible to resolve with the EODf.
+
+    """
+    nyquist = EODf * 0.5
+    AM = np.mod(stimulus, nyquist)
+    return AM, nyquist
+
+def remove_poor(files):
+    good_files =files
+    print('x')
+    return good_files
 
 #find example data
-datafolder = "../data"
+datafolder = "../../data"
 
 example_file = datafolder + "/" + "2024-10-16-ad-invivo-1.nix"
 
@@ -120,6 +154,10 @@ for stim in stims:
     freq, power = power_spectrum(rate, dt)
     ax2.plot(freq,power)
     ax2.set_xlim(0,1000)
+    plt.close()
+    if stim == stims[-1]:
+        amplitude, df, eodf, stim_freq = extract_stim_data(stim)
+        print(amplitude, df, eodf, stim_freq)
 
 # make an eventplot
 fig = plt.figure(figsize = (5, 3), layout = 'constrained')