def DDSFromSymbolic(resolution, symdiffeosystem): # @UnusedVariable
"""
Creates a DiffeoSystem from synthetic diffeomorphisms.
"""
diffeo2s_config = get_diffeo2s_config()
diffeo2dds_config = get_diffeo2dds_config()
_, symdds = diffeo2dds_config.symdds.instance_smarter(symdiffeosystem)
logger.info('Creating symbolic diffeomorphism (resolution = %d)' %
resolution)
diffeoactions = []
for _, action in enumerate(symdds.actions):
id_diffeo, diffeo = parse_diffeo_spec(diffeo2s_config,
action['diffeo'])
label = action.get('label', id_diffeo)
original_cmd = np.array(action['original_cmd'])
logger.info('Getting symbolic diffeomorphism %r' % id_diffeo)
shape = (resolution, resolution)
viewport = SquareDomain([[-1, +1], [-1, +1]])
manifold = diffeo.get_topology()
D, Dinfo = diffeo_from_function_viewport(diffeo, manifold, viewport,
shape)
D2d = Diffeomorphism2D(D, Dinfo)
diffeo_inv = diffeo.get_inverse()
D_inv, Dinfo_inv = \
diffeo_from_function_viewport(diffeo_inv, manifold, viewport, shape)
D2d_inv = Diffeomorphism2D(D_inv, Dinfo_inv)
action = DiffeoAction(label=label,
diffeo=D2d,
diffeo_inv=D2d_inv,
original_cmd=original_cmd)
diffeoactions.append(action)
dds = DiffeoSystem('unnamed', actions=diffeoactions)
return dds
def DDSFromSymbolic(resolution, symdiffeosystem): # @UnusedVariable
"""
Creates a DiffeoSystem from synthetic diffeomorphisms.
"""
diffeo2s_config = get_diffeo2s_config()
diffeo2dds_config = get_diffeo2dds_config()
_, symdds = diffeo2dds_config.symdds.instance_smarter(symdiffeosystem)
logger.info('Creating symbolic diffeomorphism (resolution = %d)' %
resolution)
diffeoactions = []
for _, action in enumerate(symdds.actions):
id_diffeo, diffeo = parse_diffeo_spec(diffeo2s_config, action['diffeo'])
label = action.get('label', id_diffeo)
original_cmd = np.array(action['original_cmd'])
logger.info('Getting symbolic diffeomorphism %r' % id_diffeo)
shape = (resolution, resolution)
viewport = SquareDomain([[-1, +1], [-1, +1]])
manifold = diffeo.get_topology()
D, Dinfo = diffeo_from_function_viewport(diffeo, manifold, viewport, shape)
D2d = Diffeomorphism2D(D, Dinfo)
diffeo_inv = diffeo.get_inverse()
D_inv, Dinfo_inv = \
diffeo_from_function_viewport(diffeo_inv, manifold, viewport, shape)
D2d_inv = Diffeomorphism2D(D_inv, Dinfo_inv)
action = DiffeoAction(label=label,
diffeo=D2d,
diffeo_inv=D2d_inv,
original_cmd=original_cmd)
diffeoactions.append(action)
dds = DiffeoSystem('unnamed', actions=diffeoactions)
return dds
def repeat(id_diffeo, times):
symdiffeos = get_diffeo2s_config().symdiffeos
diffeo = symdiffeos.instance(id_diffeo)
chain = [diffeo] * times
return SymDiffeoComposition(chain)
def make_inverse(id_diffeo):
symdiffeos = get_diffeo2s_config().symdiffeos
return symdiffeos.instance(id_diffeo).get_inverse()
def make_chain(diffeos):
symdiffeos = get_diffeo2s_config().symdiffeos
chain = map(symdiffeos.instance, diffeos)
return SymDiffeoComposition(chain)
def repeat(id_diffeo, times):
symdiffeos = get_diffeo2s_config().symdiffeos
diffeo = symdiffeos.instance(id_diffeo)
chain = [diffeo] * times
return SymDiffeoComposition(chain)
def make_inverse(id_diffeo):
symdiffeos = get_diffeo2s_config().symdiffeos
return symdiffeos.instance(id_diffeo).get_inverse()
def make_chain(diffeos):
symdiffeos = get_diffeo2s_config().symdiffeos
chain = map(symdiffeos.instance, diffeos)
return SymDiffeoComposition(chain)