@author: anind
"""
from spi import SPI
import numpy as np
import os, random
from PIL import Image
import time
import gdal
import osr
from math import isnan
spi = SPI()
spi.set_rolling_window_params(
span=1, window_type=None, center=True)
# Set distribution parameters
spi.set_distribution_params(dist_type='gam')
def use_spi(arr: np.array) -> np.array:
data = spi.calculate(arr, starting_month=1)
data = data.flatten()
#Calculate and return 1d array
return data
