Skip to content

signal_plotter

rfsoc_rfdc.plotter.signal_plotter

Classes

SignalPlotter(title, auto_range=False)

Base class for plotting ADC samples in the time domain.

Source code in rfsoc_rfdc/plotter/signal_plotter.py 
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
def __init__(self, title, auto_range=False):
    range_min, range_max = -MyRFdcType.DAC_MAX_SCALE, MyRFdcType.DAC_MAX_SCALE

    self.fig = go.FigureWidget(layout={
        'title': title,
        'xaxis': {'title': 'ADC Sample Index'},
        'yaxis': {'title': 'Amplitude', 'range': [range_min, range_max] if not auto_range else None}
    })

    if auto_range:
        self.fig.layout.yaxis.autorange = True
        self.fig.layout.shapes = [
            dict(type='line', xref='paper', x0=0, x1=1, yref='y', y0=range_min, y1=range_min,
                 line=dict(dash='dash', color='red')),
            dict(type='line', xref='paper', x0=0, x1=1, yref='y', y0=range_max, y1=range_max,
                 line=dict(dash='dash', color='red'))
        ]

    display(self.fig)
Attributes
fig = go.FigureWidget(layout={'title': title, 'xaxis': {'title': 'ADC Sample Index'}, 'yaxis': {'title': 'Amplitude', 'range': [range_min, range_max] if not auto_range else None}}) instance-attribute
Functions
update_plot(data, plot_ratio=1.0)
Source code in rfsoc_rfdc/plotter/signal_plotter.py 
31
32
33
def update_plot(self, data, plot_ratio=1.0):
    raise NotImplementedError(
        "This method should be overridden by subclasses")

RealSignalPlotter(title, auto_range=False)

Bases: SignalPlotter

Plot real ADC samples in the time domain

Source code in rfsoc_rfdc/plotter/signal_plotter.py 
41
42
43
def __init__(self, title, auto_range=False):
    super().__init__(title, auto_range)
    self.fig.add_scattergl(x=[], y=[], name='Real Samples')
Functions
update_plot(data, plot_ratio=1.0)
Source code in rfsoc_rfdc/plotter/signal_plotter.py 
45
46
47
48
def update_plot(self, data, plot_ratio=1.0):
    window_size = int(len(data) * plot_ratio)
    self.fig.data[0].x = np.arange(0, window_size, 1)
    self.fig.data[0].y = data[0:window_size]

ComplexSignalPlotter(title='Complex Signal Plot', auto_range=False)

Bases: SignalPlotter

Plot complex ADC samples in the time domain

Source code in rfsoc_rfdc/plotter/signal_plotter.py 
56
57
58
59
def __init__(self, title='Complex Signal Plot', auto_range=False):
    super().__init__(title, auto_range)
    self.fig.add_scattergl(x=[], y=[], name='Real Samples')
    self.fig.add_scattergl(x=[], y=[], name='Complex Samples')
Functions
update_plot(iq_data, plot_ratio=1.0)
Source code in rfsoc_rfdc/plotter/signal_plotter.py 
61
62
63
64
65
66
def update_plot(self, iq_data, plot_ratio=1.0):
    window_size = int(len(iq_data) * plot_ratio)
    self.fig.data[0].x = np.arange(0, window_size, 1)
    self.fig.data[0].y = iq_data.real[0:window_size]
    self.fig.data[1].x = np.arange(0, window_size, 1)
    self.fig.data[1].y = iq_data.imag[0:window_size]