def create_linegraph(uid,index_type,index_values, fieldid):
	import matplotlib.pyplot as plt
	
	fig = plt.gcf()
	fig.set_size_inches(7.6,6)
	plt.rcParams.update({'font.size':16})
	title = 'Change in ' +index_type+' index with time'
	index_array = []
	day_array = []
	dates_array = []
	xtick_dates = []
	w = 1
	key_num = 0
	for (key,val) in index_values.items():
		weather_date = key
		dates_array.append(weather_date)
	dates_array.sort()

	for key in dates_array:
		#wes1 = 1#print(index_array[key])
		index_value = float(index_values[key])/100
		d_date = str(key)
		y = d_date[0:4]
		m = d_date[4:6]
		d = d_date[6:]
		if int(m)==1:
			M = 'Jan'
		elif int(m)==2:
			M = 'Feb'
		elif int(m) ==3:
			M = 'Mar'
		elif int(m) == 4:
			M = 'Apr'
		elif int(m) ==5:
			M = 'May'
		elif int(m) == 6:
			M = 'Jun'
		elif int(m) ==7:
			M = 'Jul'
		elif int(m) ==8:
			M = 'Aug'
		elif int(m)==9:
			M = 'Sep'
		elif int(m) ==10:
			M = 'Oct'
		elif int(m) ==11:
			M ='Nov'
		else:
			M = 'Dec'
		n_date = d+'-'+M
		key_num = key_num + 1
		if len(dates_array) - key_num < 7:
			xtick_dates.append(n_date)
			index_array.append(index_value)
			day_array.append(w)
		w=w+1
	index_array = index_array[::-1]
	day_array = day_array[::-1]
	xtick_dates = xtick_dates[::-1]
	xlab = 'Days'
	ylab = 'Index Value'
	plt.plot(day_array,index_array)
	plt.xlabel(xlab)
	plt.ylabel(ylab)
	plt.title(title)
	plt.xticks(day_array,xtick_dates)
	plt.grid(b=True,which='major',color='#666666',linestyle='-')
	plt.show()
	file_name = uid+'/' + fieldid +'/'+index_type+'_linegraph.png'
	plt.savefig(file_name)
	plt.close()