def subPost(sub, a, b):
    sub.calledSubPost = sub.calledSubPost + 1
Helper function to get raster mask for NYC
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_hook.py/subPost--crossover with--dataset/ETHPy150Open notthatbreezy/nyc-taxi-spark-ml/python/geo_vars.py/get_mask_indices