split_tiff.py
a6566651788eMPI_hyper_plus_horovod

split_tiff.py
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			import os
			from osgeo import gdal

			in_path = '/work/hyenergy/raw/SwissTopo/RGB_25cm/data_orig/2014/'
			input_filename = 'SI_25_2014_1164-21'
			out_tmp='/work/hyenergy/raw/SwissTopo/RGB_25cm/data_resized/crop_tool/'
			os.system( "mkdir "+str(out_tmp)+str(input_filename))
			out_path = out_tmp+input_filename+"/"

			tile_size_x = 250
			tile_size_y = 250

			ds = gdal.Open(in_path + input_filename + ".tif")
			band = ds.GetRasterBand(1)
			xsize = band.XSize
			ysize = band.YSize

			input_filename_mod=input_filename.replace('-', '_')

			for i in range(0, xsize, tile_size_x):
			for j in range(0, ysize, tile_size_y):
			com_string = "gdal_translate -of PNG -srcwin " + str(i)+ ", " + str(j) + ", " + str(tile_size_x) + ", " + str(tile_size_y) + " " + str(in_path) + str(input_filename) + ".tif" + " " + str(out_path) + str(input_filename_mod) + "_" + str(i) + "_" + str(j) + ".png"
			os.system(com_string)

			#os.system( "ls "+str(out_path) )
			os.system( "rm "+str(out_path)+ "*.aux.xml" )
			#os.system( "mkdir "+str(out_path)+ "original" )
			#os.system( "mkdir "+str(out_path)+ "original/PV" )
			#os.system( "mkdir "+str(out_path)+ "original/noPV" )
			#os.system( "mkdir "+str(out_path)+ "labels" )
			#os.system( "mkdir "+str(out_path)+ "labels/PV" )
			#os.system( "mkdir "+str(out_path)+ "labels/noPV" )
			# com_string = "gdal_translate -of GTIFF -srcwin