Changeset 7e6bea81 in sasmodels for sasmodels/models/sphere.py

Timestamp:

Sep 11, 2016 11:30:18 PM (8 years ago)

Author:

Paul Kienzle <pkienzle@…>

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:

7b68dc5

Parents:

897ca7f

Message:

sphere: tweak docs and add test cases

File:

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

sasmodels/models/sphere.py

@@ -2 +2 @@
 For information about polarised and magnetic scattering, see
 the :ref:`magnetism` documentation.
-documentation.
 
 Definition
@@ -16 +15 @@
 
 where *scale* is a volume fraction, $V$ is the volume of the scatterer,
-$r$ is the radius of the sphere, *background* is the background level and
+$r$ is the radius of the sphere and *background* is the background level.
 *sld* and *sld_solvent* are the scattering length densities (SLDs) of the
-scatterer and the solvent respectively.
+scatterer and the solvent respectively, whose difference is $\Delta\rho$.
 
 Note that if your data is in absolute scale, the *scale* should represent
@@ -91 +90 @@
             radius=120,
             radius_pd=.2, radius_pd_n=45)
+
+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, 0.228843],
+    [{"radius": 120., "radius_pd": 0.2, "radius_pd_n":45}, "ER", 120.],
+    [{"radius": 120., "radius_pd": 0.2, "radius_pd_n":45}, "VR", 1.],
+]
+
+