def calculate_size(self, max_size_ratio=0.25):
ps = self.pixel_size if self.pixel_size is not None else 1
size = closest_nice_number(ps * (self.xmax - self.xmin) *
max_size_ratio)
self.length = size
def calculate_size(self, max_size_ratio=0.25):
ps = self.pixel_size if self.pixel_size is not None else 1
size = closest_nice_number(ps * (self.xmax - self.xmin) *
max_size_ratio)
self.length = size