Create a raster with alternating 0 and 1 values for visualization

alternate_raster_values.py

def alternate_raster_values(raster_filename, out_filename):
    with rasterio.open(raster_filename, "r") as src:
        data = src.read(1)
        profile = src.profile
        
    for i in range(data.shape[0]):
        data[i] = 0
        if i % 2 == 0:
            data[i][1::2] = 1
        else:
            data[i][::2] = 1
            
    with rasterio.open(out_filename, "w", **profile) as dst:
        dst.write(data, 1)