def column_img_vertical(uid,fieldid,img_type1,img_type2):
	import matplotlib.pyplot as plt
	import cv2
	fig = plt.gcf()
	fig.set_size_inches(6,6)
	img1 = cv2.imread((uid+img_type1+'.png'))
	img2 = cv2.imread((img_type2+'.jpg'))
	plt.subplot(2,1,1)
	plt.imshow(img1)
	plt.height(5)
	plt.tight_layout()
	plt.axis('off')
	
	plt.subplot(2,1,2)
	plt.imshow(img2)
	plt.set_figheight(1)
	plt.tight_layout()
	plt.axis('off')
	#plt.show()
	plt.savefig((uid+'_collage'+img_type1+img_type2+'.png'))
	plt.close()