Additional correction of a bug in the attenuation law

pcigale/creation_modules/dustatt_calzleit.py

 # -*- coding: utf-8 -*-
 # Copyright (C) 2013 Centre de données Astrophysiques de Marseille
+# Copyright (C) 2014 Laboratoire d'Astrophysique de Marseille
 # Licensed under the CeCILL-v2 licence - see Licence_CeCILL_V2-en.txt
-# Author: Yannick Roehlly
+# Author: Yannick Roehlly, Denis Burgarella
 
 """
 Calzetti et al. (2000) and Leitherer et al. (2002) attenuation module
@@ -171,7 +172,7 @@ def a_vs_ebv(wavelength, bump_wave, bump_width, bump_ampl, power_slope):
 class CalzLeit(CreationModule):
     """Calzetti + Leitherer attenuation module
 
-    This module computes the Cardelli, Clayton and Mathis attenuation using the
+    This module computes the dust attenuation using the
     formulae from Calzetti et al. (2000) and Leitherer et al. (2002).
 
     The attenuation can be computed on the whole spectrum or on a specific

pcigale/creation_modules/dustatt_powerlaw.py

 # -*- coding: utf-8 -*-
 # Copyright (C) 2013 Centre de données Astrophysiques de Marseille
+# Copyright (C) 2014 Laboratoire d'Astrophysique de Marseille
 # Licensed under the CeCILL-v2 licence - see Licence_CeCILL_V2-en.txt
-# Author: Yannick Roehlly
+# Author: Yannick Roehlly, Denis Burgarella
 
 """
 Charlot and Fall (2000) power law attenuation module
@@ -64,7 +65,7 @@ def uv_bump(wavelength, central_wave, gamma, ebump):
 def alambda_av(wavelength, delta, bump_wave, bump_width, bump_ampl):
     """Compute the complete attenuation curve A(λ)/Av
 
-    The continuum is a power law (λ / λv) ** δ to with is added a UV bump.
+    The continuum is a power law (λ / λv) ** δ to which is added a UV bump.
 
     Parameters
     ----------
@@ -97,8 +98,8 @@ def alambda_av(wavelength, delta, bump_wave, bump_width, bump_ampl):
 class PowerLawAtt(CreationModule):
     """Power law attenuation module
 
-    This module computes the Cardelli, Clayton and Mathis attenuation using
-    a power law as defined in Charlot and Fall (2000).
+    This module computes the attenuation using a power law 
+    as defined in Charlot and Fall (2000).
 
     The attenuation can be computed on the whole spectrum or on a specific
     contribution and is added to the SED as a negative contribution.
@@ -173,7 +174,7 @@ class PowerLawAtt(CreationModule):
         self.sel_attenuation = None
 
     def process(self, sed):
-        """Add the CCM dust attenuation to the SED.
+        """Add the dust attenuation to the SED.
 
         Parameters
         ----------
@@ -202,6 +203,7 @@ class PowerLawAtt(CreationModule):
             self.sel_attenuation = alambda_av(wavelength, powerlaw_slope,
                                      uv_bump_wavelength, uv_bump_width,
                                      uv_bump_amplitude)
+  
         attenuation_total = 0.
         for contrib in list(sed.contribution_names):
             age = contrib.split('.')[-1].split('_')[-1]
@@ -223,8 +225,8 @@ class PowerLawAtt(CreationModule):
                                  attenuation_spectrum)
 
         # Bump and slope of the dust attenuation
-        sed.add_info("attenuation.uv_bump_amplitude", uv_bump_amplitude, True)
-        sed.add_info("attenuation.powerlaw_slope", powerlaw_slope, True)
+        sed.add_info("attenuation.uv_bump_amplitude", uv_bump_amplitude)
+        sed.add_info("attenuation.powerlaw_slope", powerlaw_slope)
 
         # Total attenuation
         sed.add_info("dust.luminosity", attenuation_total, True)