Changeset 0433203 in sasmodels for sasmodels/models/raspberry.py

Timestamp:

Mar 20, 2016 8:40:09 AM (8 years ago)

Author:

ajj

Branches:

master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests

Children:

bb02a35

Parents:

ce346b6

Message:

Updating raspberry model to more stable formulation

File:

• sasmodels/models/raspberry.py (modified) (5 diffs)

sasmodels/models/raspberry.py

@@ -44 +44 @@
 from numpy import pi, inf
 
-name = "raspberry"
+name = "raspberry_surface_fraction"
 title = "Calculates the form factor, *P(q)*, for a 'Raspberry-like' structure \
 where there are smaller spheres at the surface of a larger sphere, such as the \
@@ -50 +50 @@
 description = """
                 RaspBerryModel:
-                volf_Lsph = volume fraction large spheres
-                radius_Lsph = radius large sphere (A)
-                sld_Lsph = sld large sphere (A-2)
-                volf_Ssph = volume fraction small spheres
-                radius_Ssph = radius small sphere (A)
-                surfrac_Ssph = fraction of small spheres at surface
-                sld_Ssph = sld small sphere
-                delta_Ssph = small sphere penetration (A) 
-                sld_solv   = sld solvent
+                volfraction_lg = volume fraction large spheres
+                radius_lg = radius large sphere (A)
+                sld_lg = sld large sphere (A-2)
+                volfraction_sm = volume fraction small spheres
+                radius_sm = radius small sphere (A)
+                surface_fraction = fraction of small spheres at surface
+                sld_sm = sld small sphere
+                penetration = small sphere penetration (A)
+                sld_solvent   = sld solvent
                 background = background (cm-1)
             Ref: J. coll. inter. sci. (2010) vol. 343 (1) pp. 36-41."""
@@ -74 +74 @@
               ["volfraction_sm", "", 0.005, [-inf, inf], "",
                "volume fraction of small spheres"],
-              ["surf_fraction", "", 0.4, [-inf, inf], "",
+              ["surface_fraction", "", 0.4, [-inf, inf], "",
                "fraction of small spheres at surface"],
               ["radius_lg", "Ang", 5000, [0, inf], "volume",
@@ -89 +89 @@
 demo = dict(scale=1, background=0.001,
             sld_lg=-0.4, sld_sm=3.5, sld_solvent=6.36,
-            volfraction_lg=0.05, volfraction_sm=0.005, surf_fraction=0.4,
+            volfraction_lg=0.05, volfraction_sm=0.005, surface_fraction=0.4,
             radius_lg=5000, radius_sm=100, penetration=0.0,
             radius_lg_pd=.2, radius_lg_pd_n=10)
@@ -95 +95 @@
 # For testing against the old sasview models, include the converted parameter
 # names and the target sasview model name.
-oldname = 'RaspBerryModel'
-oldpars = dict(sld_lg='sld_Lsph', sld_sm='sld_Ssph', sld_solvent='sld_solv',
-               volfraction_lg='volf_Lsph', volfraction_sm='volf_Ssph',
-               surf_fraction='surfrac_Ssph',
-               radius_lg='radius_Lsph', radius_sm='radius_Ssph',
-               penetration='delta_Ssph')
-
 
 # NOTE: test results taken from values returned by SasView 3.1.2, with