Changeset 42f193a in sasview for sansmodels/src/sans/models/c_extensions/lamellar.h

Timestamp:

Aug 4, 2009 1:20:01 PM (15 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:

8e91f01

Parents:

2cc633b

Message:

some corrections on dips-parameters and adding 2D cal

File:

• sansmodels/src/sans/models/c_extensions/lamellar.h (modified) (3 diffs)

sansmodels/src/sans/models/c_extensions/lamellar.h

@@ -3 +3 @@
 /** Structure definition for lamellar parameters
  * [PYTHONCLASS] = LamellarModel
- * [DISP_PARAMS] =  delta
-   [DESCRIPTION] = <text> I(q)= 2*pi*P(q)/(delta *q^(2))
-                                                where:
-                                                P(q)=2*(contrast/q)^(2)*(1-cos(q*delta)*e^(1/2*(q*sigma)^(2))
-                                   </text>
-        [FIXED]= delta.width 
-        [ORIENTATION_PARAMS]= 
+   [DESCRIPTION] = <text>[Dilute Lamellar Form Factor](from a lyotropic lamellar phase)
+           I(q)= 2*pi*P(q)/(delta *q^(2)), where
+                P(q)=2*(contrast/q)^(2)*(1-cos(q*delta)
+                *e^(1/2*(q*sigma)^(2)).
+                delta = bilayer thickness
+                sigma = variation in bilayer thickness
+                        = delta*polydispersity
+                contrast = SLD_solvent - SLD_bilayer
+        Note: the polydispersity in delta is included.
+ </text>
  **/
 typedef struct {
@@ -18 +21 @@
     //  [DEFAULT]=delta=50.0 [A]
     double delta;
-    /// variation in bilayer thickness 
+    /// variation in bilayer thickness
     //  [DEFAULT]=sigma=0.15
     double sigma;
@@ -27 +30 @@
         //  [DEFAULT]=background=0.0 [1/cm]
         double background;
-   
+
 
 } LamellarParameters;