Changeset 1ed3834 in sasview for sansmodels/src/sans/models/SphereModel.py

Timestamp:

Apr 16, 2009 4:37:39 PM (16 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:

fca9cbd9

Parents:

3fef0a8

Message:

unit symbol Angst. back to A and re-organized model descriptions

File:

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

sansmodels/src/sans/models/SphereModel.py

@@ -33 +33 @@
         List of default parameters:
          scale           = 1.0 
-         radius          = 60.0 [Å]
-         contrast        = 1e-006 [1/Ų]
+         radius          = 60.0 [A]
+         contrast        = 1e-006 [1/A²]
          background      = 0.0 [1/cm]
 
@@ -49 +49 @@
         self.name = "SphereModel"
         ## Model description
-        self.description ="""P(q)=(scale/V)
-                *[3V(scatter_sld-solvent_sld)*(sin(qR)-qRcos(qR))/(qR)^3]^(2)
-                +bkg
-                bkg: background level
-                R: radius of the sphere
+        self.description ="""P(q)=(scale/V)*[3V(scatter_sld-solvent_sld)*(sin(qR)-qRcos(qR))
+                /(qR)^3]^(2)+bkg
+                
+                bkg:background, R: radius of sphere
                 V:The volume of the scatter
-                scatter_sld: the scattering length density of the scatter
-                solvent_sld: the scattering length density of the solvent"""
+                contrast:SLD difference between
+                scatter and solvent
+                scatter_sld: the SLD of the scatter
+                solvent_sld: the SLD of the solvent
+                """
        
                 ## Parameter details [units, min, max]
         self.details = {}
         self.details['scale'] = ['', None, None]
-        self.details['radius'] = ['[Å]', None, None]
-        self.details['contrast'] = ['[1/Ų]', None, None]
+        self.details['radius'] = ['[A]', None, None]
+        self.details['contrast'] = ['[1/A²]', None, None]
         self.details['background'] = ['[1/cm]', None, None]