def create_bargraph(uid,ndvi,ndwi,ndre,vari,date):
	import matplotlib.pyplot as plt; plt.rcdefaults()
	import numpy as np
	import matplotlib.pyplot as plt

	year = date[0:4]
	month = date[4:6]
	day = date[6:]
	date = year+'-'+month+'-'+day+'  (in yyyy-mm-dd)'
	title = 'Index Values for '+date
	objects = ('NDVI','NDWI','NDRE','VARI')
	y_pos = np.arange(len(objects))
	values = [ndvi,ndwi,ndre,vari]
	plt.barh(y_pos,values, align='center',alpha=0.5)
	plt.yticks(y_pos,objects)
	plt.xlabel('Index Values')
	plt.ylabel('Index Name')
	plt.title(title)
	plt.show()
	file_name = uid+'_bargraph.png'
	plt.savefig(file_name)
	plt.close()