'''There are implementations of filters'''
from abbe_value_descr import AbbeValueDescr
from curve_density_descr import CurveDensityDescr
from curves_shape_descr import CurvesShapeDescr
from hist_shape_descr import HistShapeDescr
from property_desc import PropertyDescr
from variogram_shape_descr import VariogramShapeDescr
from variogram_slope_descr import VariogramSlopeDescr
from position_descriptor import PositionDescriptor