self.radius = radius
example_map = get_map(YX(0, 0))
self.source_geometry = example_map.geometry
size, self.offset, self.center = \
self.source_geometry.define_segment(source_center, radius)
self.geometry = self.source_geometry.__class__(size)
self.radius = radius
example_map = get_map(YX(0, 0))
self.source_geometry = example_map.geometry
size, self.offset, self.center = \
self.source_geometry.define_segment(source_center, radius)
self.geometry = self.source_geometry.__class__(size)