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 - Gratings

stimupy.stimuli.gratings

On uniform background

stimupy.stimuli.gratings.on_uniform()

import ipywidgets as iw
from stimupy.utils import plot_stim
from stimupy.stimuli.gratings import on_uniform

# 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_gheight = iw.FloatSlider(value=5, min=1, max=10, description="grating height [deg]")
w_gwidth = iw.FloatSlider(value=5, min=1, max=10, description="grating width [deg]")

w_freq = iw.FloatSlider(value=1, min=0, max=2, description="frequency [cpd]")
w_phase = iw.IntSlider(value=0, min=0, max=360, description="phase shift [deg]")
w_rot = iw.IntSlider(value=0, min=0, max=360, description="rotation [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_intback = iw.FloatSlider(value=0.5, min=0, max=1, description="int2")

w_ori = iw.Dropdown(value="corner", options=['mean', 'corner', 'center'], description="origin")
w_period = iw.Dropdown(value="ignore", options=['ignore', 'even', 'odd', 'either'], description="period")
w_round = iw.ToggleButton(value=False, disabled=False, description="round phase")
w_mask = iw.Dropdown(value=None, options=[None, 'target_mask', 'grating_mask'], description="add mask")

w_tidx = iw.IntSlider(value=5, min=1, max=10, description="target idx")
w_tint = iw.FloatSlider(value=0.5, min=0, max=1, description="target int")

# Layout
b_im_size = iw.HBox([w_height, w_width, w_ppd])
b_g_size = iw.HBox([w_gheight, w_gwidth])
b_geometry = iw.HBox([w_freq, w_phase, w_rot])
b_intensities = iw.HBox([w_int1, w_int2, w_intback])
b_target = iw.HBox([w_tidx, w_tint])
b_add = iw.HBox([w_ori, w_period, w_round, w_mask])
ui = iw.VBox([b_im_size, b_geometry, b_intensities, b_target, b_add])

# Function for showing stim
def show_on_uniform(
    height=None,
    width=None,
    ppd=None,
    rotation=None,
    frequency=None,
    phase_shift=None,
    int1=None,
    int2=None,
    origin=None,
    round_phase_width=False,
    period=None,
    add_mask=False,
    target_indices=None,
    intensity_target=None,
    intensity_background=None,
    grating_height=None,
    grating_width=None,
):
    try:
        stim = on_uniform(
            visual_size=(height, width),
            ppd=ppd,
            rotation=rotation,
            frequency=frequency,
            phase_shift=phase_shift,
            intensity_bars=(int1, int2),
            origin=origin,
            round_phase_width=round_phase_width,
            period=period,
            target_indices=target_indices,
            intensity_target=intensity_target,
            intensity_background=intensity_background,
            grating_size=(grating_height, grating_width),
        )
        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_on_uniform,
    {
        "height": w_height,
        "width": w_width,
        "ppd": w_ppd,
        "rotation": w_rot,
        "frequency": w_freq,
        "phase_shift": w_phase,
        "int1": w_int1,
        "int2": w_int2,
        "origin": w_ori,
        "round_phase_width": w_round,
        "period": w_period,
        "add_mask": w_mask,
        "target_indices": w_tidx,
        "intensity_target": w_tint,
        "intensity_background": w_intback,
        "grating_height": w_gheight,
        "grating_width": w_gwidth,
    },
)

# Show
display(ui, out)