class App:
def __init__(self, args=None):
self.func = None
self.image = None
self.parser = argparse.ArgumentParser()
self.parser.add_argument(
'function',
help=
'Function you wish to work with. Must be holomorphic on D(0,1) as a function of z.'
)
self.parser.add_argument(
'degree', help='Degree to which we shall expand the function.')
self.parser.add_argument(
'a',
help=
'Base point for expansion. Do not exceed the open unit circle, results may be non-sense.'
)
self.parser.add_argument(
'z0', help='Point at which to perform spectral evaluation.')
def main(self):
args = self.parser.parse_args(sys.argv[1:])
self.func = Function(args.function)
self.renderer = Renderer()
self.func.expand_eval(complex(args.z0), complex(args.a))
points = []
for i in range(0, int(args.degree)):
points.append(self.func.next_term())
self.renderer.addPoints(points)
filename = 'spectralEval' + args.function + '.png'
self.renderer.image.save('output.png', 'PNG')
print('Saved .png to this directory.')
self.renderer.dump()
print('Dumped points as .json file in this directory.')
