Tip

to get interactivity

Attention

To run locally, the code for these interactive demos requires a Jupyter Notebook environment, and the Jupyter Widgets extension (ipywidgets).

Stimuli - Gabors

stimupy.stimuli.gabors

Gabor

stimupy.stimuli.gabors.gabor()

import ipywidgets as iw
from stimupy.utils import plot_stim
from stimupy.stimuli.gabors import gabor

# Define widgets
w_height = iw.IntSlider(value=10, min=1, max=20, description="height [deg]")
w_width = iw.IntSlider(value=10, min=1, max=20, description="width [deg]")
w_ppd = iw.IntSlider(value=20, min=1, max=40, description="ppd")

w_freq = iw.FloatSlider(value=1, min=0, max=2, description="frequency [cpd]")
w_phase = iw.FloatSlider(value=0, min=0, max=360, description="phase shift [deg]")
w_rot = iw.FloatSlider(value=0, min=0, max=360, description="rotation [deg]")
w_sigma = iw.FloatSlider(value=2, min=0, max=4, description="sigma [deg]")

w_int1 = iw.FloatSlider(value=1, min=0, max=1, description="int1")
w_int2 = iw.FloatSlider(value=0, min=0, max=1, description="int2")

w_ori = iw.Dropdown(value="mean", options=['mean', 'corner', 'center'], description="origin")
w_period = iw.Dropdown(value="ignore", options=['ignore', 'even', 'odd', 'either'], description="period")
w_mask = iw.ToggleButton(value=False, disabled=False, description="add mask")

# Layout
b_im_size = iw.HBox([w_height, w_width, w_ppd])
b_geometry = iw.HBox([w_freq, w_phase, w_rot, w_sigma])
b_intensities = iw.HBox([w_int1, w_int2])
b_add = iw.HBox([w_ori, w_period, w_mask])
ui = iw.VBox([b_im_size, b_geometry, b_intensities, b_add])

# Function for showing stim
def show_gabor(
    height=None,
    width=None,
    ppd=None,
    rotation=None,
    frequency=None,
    phase_shift=None,
    sigma=None,
    int1=None,
    int2=None,
    origin=None,
    period=None,
    add_mask=False,
):
    try:
        stim = gabor(
            visual_size=(height, width),
            ppd=ppd,
            rotation=rotation,
            frequency=frequency,
            phase_shift=phase_shift,
            sigma=sigma,
            intensity_bars=(int1, int2),
            origin=origin,
            period=period,
        )
        plot_stim(stim, mask=add_mask)
    except Exception as e:
        raise ValueError(f"Invalid parameter combination: {e}") from None

# Set interactivity
out = iw.interactive_output(
    show_gabor,
    {
        "height": w_height,
        "width": w_width,
        "ppd": w_ppd,
        "rotation": w_rot,
        "frequency": w_freq,
        "phase_shift": w_phase,
        "sigma": w_sigma,
        "int1": w_int1,
        "int2": w_int2,
        "origin": w_ori,
        "period": w_period,
        "add_mask": w_mask,
    },
)

# Show
display(ui, out)