dataPointClass.py

import sys
class DataPoint:
    def __init__(self, lat, lon, ozone):
        self.lat = lat
        self.lon = lon
        self.ozone = ozone
        self.centroid = None
        #this is big number, bigger than any distance ever
        self.centroidD = sys.maxsize

    def setCentroid(self, centroid, centroidD):
        self.centroid = centroid
        self.centroidD = centroidD


class Centroid(DataPoint):
    def __init__(self, lat, lon, ozone):
        super().__init__(lat, lon, ozone)
        self.myPoints = []
        self.changed = False

    def addPoint(self, point):
        self.myPoints.append(point)