output = path + folder + "\"

timestamp = folder.split("_")[4]

date = timestamp[:8]

sentinel_1 = ProductIO.readProduct(output)

print sentinel_1

pols = ['VH','VV']

for p in pols:

    polarization = p

    wkt = 'POLYGON((17.06138 98.4766, 17.07500 98.55027, 17.10500 98.46833, 17.11833 98.54166))'

    geom = WKTReader().read(wkt)

    parameters = HashMap()

    parameters.put('geoRegion', geom)

    parameters.put('outputImageScaleInDb', False)

    subset = output+date+"_subset_" + polarization

    target_1 = GPF.createProduct("Subset", parameters, sentinel_1)

    ProductIO.writeProduct(target_1, subset, 'BEAM-DIMAP')

geom = WKTReader().read(wkt)