Changeset b39bf3b in sasmodels for sasmodels/models/sphere.py

Timestamp:

Mar 28, 2019 9:46:52 AM (5 years ago)

Author:

ajj

Branches:

master, ticket-1257-vesicle-product, ticket_1156, ticket_822_more_unit_tests

Children:

d8e81f7

Parents:

f942f4d

Message:

Working on structure factor / beta tests

File:

• sasmodels/models/sphere.py (modified) (3 diffs)

sasmodels/models/sphere.py

@@ -49 +49 @@
 ----------------------------
 
-* **Author:** 
-* **Last Modified by:** 
+* **Author:**
+* **Last Modified by:**
 * **Last Reviewed by:** S King and P Parker **Date:** 2013/09/09 and 2014/01/06
 * **Source added by :** Steve King **Date:** March 25, 2019
@@ -75 +75 @@
               ["sld_solvent", "1e-6/Ang^2", 6, [-inf, inf], "sld",
                "Solvent scattering length density"],
-              ["radius", "Ang", 50, [0, inf], "volume",
+              ["radius", "Ang", 45, [0, inf], "volume",
                "Sphere radius"],
              ]
@@ -92 +92 @@
 
 tests = [
-    [{}, 0.2, 0.726362],
-    [{"scale": 1., "background": 0., "sld": 6., "sld_solvent": 1.,
-      "radius": 120., "radius_pd": 0.2, "radius_pd_n":45},
-     0.2, 0.2288431],
-    [{"radius": 120., "radius_pd": 0.02, "radius_pd_n":45},
-     0.2, 792.0646662454202, [1166737.0473152], 120.0, 7246723.820358589, 1.0], # the longer list here checks  F1, F2, R_eff, volume, volume_ratio = call_Fq(kernel, pars)
-    #          But note P(Q) = F2/volume,  F1 and F2 are vectors, for some reason only F2 needs square brackets
-    #          BUT what is scaling of F1 ???  At low Pd F2 ~ F1^2 ?
-   [{"radius": 120., "radius_pd": 0.2, "radius_pd_n":45},
-     0.2, 1.233304061, [1850806.119736], 120.0, 8087664.1226, 1.0], # the longer list here checks  F1, F2, R_eff, volume, volume_ratio = call_Fq(kernel, pars)
-    [{"@S": "hardsphere"},
-       0.01, 55.881884232102124], # this is current value, not verified elsewhere yet
-    [{"@S": "hardsphere"},
-       0.2, 0.14730859242492958], #  this is current value, not verified elsewhere yet
-    [{"@S": "hardsphere"},
-       0.1, 0.7940350343811906], #  this is current value, not verified elsewhere yet
-        [{"@S": "hardsphere",          # hard sphere structure factor
+   #  [{}, 0.2, 0.726362],
+   #  [{"scale": 1., "background": 0., "sld": 6., "sld_solvent": 1.,
+   #    "radius": 120., "radius_pd": 0.2, "radius_pd_n":45},
+   #   0.2, 0.2288431],
+   # [{"radius": 120., "radius_pd": 0.02, "radius_pd_n":45},
+   #   0.2, 792.0646662454202, [1166737.0473152], 120.0, 7246723.820358589, 1.0], # the longer list here checks  F1, F2, R_eff, volume, volume_ratio = call_Fq(kernel, pars)
+   #  #          But note P(Q) = F2/volume,  F1 and F2 are vectors, for some reason only F2 needs square brackets
+   #  #          BUT what is scaling of F1 ???  At low Pd F2 ~ F1^2 ?
+   # [{"@S": "hardsphere"},
+   #    0.01, 55.881884232102124], # this is current value, not verified elsewhere yet
+   # [{"radius": 120., "radius_pd": 0.2, "radius_pd_n":45},
+   #   0.2, 1.233304061, [1850806.119736], 120.0, 8087664.1226, 1.0], # the longer list here checks  F1, F2, R_eff, volume, volume_ratio = call_Fq(kernel, pars)
+   # [{"@S": "hardsphere"},
+   #     0.2, 0.14730859242492958], #  this is current value, not verified elsewhere yet
+    # [{"@S": "hardsphere"},
+    #    0.1, 0.7940350343811906], #  this is current value, not verified elsewhere yet
+    [{"@S": "hardsphere",
+     "radius": 120., "radius_pd": 0.2, "radius_pd_n":45,
+     "volfraction":0.2,
+     "radius_effective":45.0,        # hard sphere structure factor
      "structure_factor_mode": 1,  # decoupling approximation
-     "effective_radius_type": 1, "radius_effective":27.0 # equivalent sphere   Currently have hardwired model_test to accept radius_effective 
+     #"effective_radius_type": 1 # equivalent sphere   Currently have hardwired model_test to accept radius_effective
      # direct_model has the name & value BUT does it get passed to S(Q)???  What about volfracion, plus the many parameters used by other S(Q) ?
      # effective_radius_type does NOT appear in the list, has it been stripped out???
-         }, 0.1, 0.7940350343881906],
-#       [{"@S": "hardsphere",          # hard sphere structure factor
-#     "structure_factor_mode": 3,  #  -  WHY same result?
-#     "effective_radius_type": 3, "radius_effective":23.0    # 
-#        }, 0.1, 0.7940350343881906]
+     }, 0.01, 0.7940350343881906],
+        # [{"@S": "hardsphere",          # hard sphere structure factor
+    # "structure_factor_mode": 2,  #  -  WHY same result?
+    # "effective_radius_type": 2, "radius_effective":23.0    #
+        #  }, 0.1, 0.7940350343881906]
 ]
 # putting None for expected result will pass the test if there are no errors from the routine, but without any check on the value of the result