Changeset fbe5d3e in sasview for sansmodels/src/sans

Timestamp:

Aug 4, 2009 1:33:16 PM (15 years ago)

Author:

Jae Cho <jhjcho@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

b341b16

Parents:

b4679de

Message:

add 2d and model descpt.

File:

• sansmodels/src/sans/models/LamellarPSModel.py (modified) (2 diffs)

sansmodels/src/sans/models/LamellarPSModel.py

@@ -53 +53 @@
         self.name = "LamellarPSModel"
         ## Model description
-        self.description =""" Calculates the scattered intensity from a lyotropic lamellar phase"""
+        self.description ="""Calculates the scattered intensity from a lyotropic lamellar phase.
+                The intensity (form factor and structure factor)
+                calculated is for lamellae of uniform scattering
+                length density that are randomly distributed in
+                solution (a powder average). The lamellae
+                thickness is polydisperse. The model can also
+                be applied to large, multi-lamellar vesicles.
+                No resolution smeared version is included
+                in the structure factor of this model.
+                *Parameters: spacing = repeat spacing,
+                delta = bilayer thickness,
+                sigma = variation in bilayer thickness
+                contrast = SLD_solvent - SLD_bilayer
+                n_plate = # of Lamellar plates
+                caille = Caille parameter (<0.8 or <1)
+                background = incoherent bgd
+                scale = scale factor"""
        
                 ## Parameter details [units, min, max]
@@ -67 +83 @@
 
                 ## fittable parameters
-        self.fixed=['delta.with']
+        self.fixed=['spacing.with']
         
         ## parameters with orientation