Created
August 20, 2018 20:28
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Clip Indonesia and Southeast Asia landcover tiles to 10x10 deg size and unset nodata
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import gdal | |
import subprocess | |
def clip_using_input_coords(original): | |
file_to_clip = 'sea_land_cover_classified.tif' | |
# get coords of file to mock | |
src = gdal.Open(original) | |
ulx, xres, xskew, uly, yskew, yres = src.GetGeoTransform() | |
lrx = ulx + (src.RasterXSize * xres) | |
lry = uly + (src.RasterYSize * yres) | |
clipped = 'fixed/{}'.format(original) | |
# # clip big file to that one | |
cmd = ['gdalwarp', '-co', "TILED=YES", '-co', 'COMPRESS=DEFLATE', '-ot', 'Byte', '-tr', '.00025', '.00025', | |
'-tap', '-te', str(ulx), str(lry), str(lrx), str(uly), file_to_clip, clipped] | |
subprocess.check_call(cmd) | |
# unset nodata | |
cmd = ['gdal_edit.py', clipped, '-unsetnodata'] | |
subprocess.check_call(cmd) | |
files_to_fix = ['4b6e12-sea_wgs84-0000065536-0000393216.tif', '3678c7-sea_wgs84-0000065536-0000458752.tif', | |
'a2ba68-sea_wgs84-0000000000-0000458752.tif', '8a785d-sea_wgs84-0000000000-0000262144.tif', | |
'7728f5-sea_wgs84-0000065536-0000327680.tif', '7dea80-sea_wgs84-0000000000-0000393216.tif', | |
'd27da7-sea_wgs84-0000000000-0000327680.tif'] | |
for f in files_to_fix: | |
clip_using_input_coords(f) |
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