Replace Hansen missing values -9999 with 0

replace_hansen_nodata.py

# gdal_translate -ot Byte -of GTiff -a_nodata 0 IDN_new.asc IDN.tif

fp = open("IDN.asc", "r")
fout = open("IDN_new.asc", "w")

n = 0

for line in fp:
    # replace -9999 with zeros - much smaller file
    newline = "0".join(line.split("-9999"))
    fout.write(newline)
    n += 1
    if n % 100 == 0:
        print "Line %i" % n