def load(self, data, convert=True):
     for i in range(len(data)):
         data[i] = float(data[i])
     XYZ.load(self, data[1:4], convert)
     self.data = data
     if convert:
         self.w = data[0] / self.physical_convert
     else:
         self.w = data[0]
 def load(self, data):
     XYZ.load(self, data[0:3])
     self.xy = data[3] / self.physical_convert
     self.xz = data[4] / self.physical_convert
     self.yz = data[5] / self.physical_convert