Changeset 48462b0 in sasmodels for sasmodels/models/guinier_porod.py

Timestamp:

Jul 30, 2017 11:24:42 PM (7 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, core_shell_microgels, costrafo411, magnetic_model, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests

Children:

109d963

Parents:

404ebbd

Message:

tuned random model generation for even more models

File:

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

sasmodels/models/guinier_porod.py

@@ -4 +4 @@
 and dimensionality of scattering objects, including asymmetric objects
 such as rods or platelets, and shapes intermediate between spheres
-and rods or between rods and platelets, and overcomes some of the 
+and rods or between rods and platelets, and overcomes some of the
 deficiencies of the (Beaucage) Unified_Power_Rg model (see Hammouda, 2010).
 
@@ -77 +77 @@
                         scale = Guinier Scale
                         s = Dimension Variable
-                        Rg = Radius of Gyration [A] 
+                        Rg = Radius of Gyration [A]
                         porod_exp = Porod Exponent
                         background  = Background [1/cm]"""
@@ -114 +114 @@
 Iq.vectorized = True # Iq accepts an array of q values
 
+def random():
+    import numpy as np
+    rg = 10**np.random.uniform(1, 5)
+    s = np.random.uniform(0, 3)
+    porod_exp = s + np.random.uniform(0, 3)
+    pars = dict(
+        #scale=1, background=0,
+        rg=rg,
+        s=s,
+        porod_exp=porod_exp,
+    )
+    return pars
+
 demo = dict(scale=1.5, background=0.5, rg=60, s=1.0, porod_exp=3.0)