def test():
""" Test to understando how the best fit is produced with extinction. """
w1 = 4500
w2 = 7000
targetSN = 70
logdir = "logs_sn{0}_w{1}_{2}".format(targetSN, w1, w2)
for field in fields[:1]:
os.chdir(os.path.join(data_dir, "combined_{0}".format(field), logdir))
bins = [1,2,3]
for bin in bins:
pp = ppload("{0}_bin{1}".format(field, bin))
pp = pPXF(pp, velscale)
plt.plot(pp.lam, pp.galaxy, "-k")
plt.plot(pp.lam, pp.bestfit, "-r")
extinction = reddening_curve(pp.lam, pp.reddening)
plt.plot(pp.lam, (pp.gas + pp.ssps) / extinction, "-b")
# plt.plot(pp.lam, extinction, "-g")
# print pp.reddening
# print reddening_curve(pp.lam, pp.reddening)
# plt.plot(pp.lam, pp.mpoly, "-b")
plt.show()
def calc_arrays(self):
""" Calculate the different useful arrays."""
# Slice matrix into components
self.m_poly = self.matrix[:,:self.degree + 1]
self.matrix = self.matrix[:,self.degree + 1:]
self.m_ssps = self.matrix[:,:self.ntemplates]
self.matrix = self.matrix[:,self.ntemplates:]
self.m_gas = self.matrix[:,:self.ngas]
self.matrix = self.matrix[:,self.ngas:]
self.m_sky = self.matrix
# Slice weights
if hasattr(self, "polyweights"):
self.w_poly = self.polyweights
self.poly = self.m_poly.dot(self.w_poly)
else:
self.poly = np.zeros_like(self.galaxy)
if hasattr(self, "mpolyweights"):
x = np.linspace(-1, 1, len(self.galaxy))
self.mpoly = np.polynomial.legendre.legval(x, np.append(1,
self.mpolyweights))
else:
self.mpoly = np.ones_like(self.galaxy)
if self.reddening is not None:
self.extinction = reddening_curve(self.lam, self.reddening)
else:
self.extinction = np.ones_like(self.galaxy)
self.w_ssps = self.weights[:self.ntemplates]
self.weights = self.weights[self.ntemplates:]
self.w_gas = self.weights[:self.ngas]
self.weights = self.weights[self.ngas:]
self.w_sky = self.weights
# Calculating components
self.ssps = self.m_ssps.dot(self.w_ssps)
self.gas = self.m_gas.dot(self.w_gas)
self.bestsky = self.m_sky.dot(self.w_sky)
return
def calc_arrays(self):
""" Calculate the different useful arrays."""
# Slice matrix into components
self.m_poly = self.matrix[:, :self.degree + 1]
self.matrix = self.matrix[:, self.degree + 1:]
self.m_ssps = self.matrix[:, :self.ntemplates]
self.matrix = self.matrix[:, self.ntemplates:]
self.m_gas = self.matrix[:, :self.ngas]
self.matrix = self.matrix[:, self.ngas:]
self.m_sky = self.matrix
# Slice weights
if hasattr(self, "polyweights"):
self.w_poly = self.polyweights
self.poly = self.m_poly.dot(self.w_poly)
else:
self.poly = np.zeros_like(self.galaxy)
if hasattr(self, "mpolyweights"):
x = np.linspace(-1, 1, len(self.galaxy))
self.mpoly = np.polynomial.legendre.legval(
x, np.append(1, self.mpolyweights))
else:
self.mpoly = np.ones_like(self.galaxy)
if self.reddening is not None:
self.extinction = reddening_curve(self.lam, self.reddening)
else:
self.extinction = np.ones_like(self.galaxy)
self.w_ssps = self.weights[:self.ntemplates]
self.weights = self.weights[self.ntemplates:]
self.w_gas = self.weights[:self.ngas]
self.weights = self.weights[self.ngas:]
self.w_sky = self.weights
# Calculating components
self.ssps = self.m_ssps.dot(self.w_ssps)
self.gas = self.m_gas.dot(self.w_gas)
self.bestsky = self.m_sky.dot(self.w_sky)
return
