source: sasview/src/sas/models/include/polygausscoil.h @ 79492222

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 79492222 was 79492222, checked in by krzywon, 8 years ago

Changed the file and folder names to remove all SANS references.

  • Property mode set to 100644
File size: 1.2 KB
Line 
1#if !defined(polygausscoil_h)
2#define polygausscoil_h
3#include "parameters.hh"
4
5/**
6 * Structure definition for sphere parameters
7 */
8//[PYTHONCLASS] = Poly_GaussCoil
9//[DISP_PARAMS] = rg
10//[DESCRIPTION] =<text>I(q)=(scale)*2*[(1+U*x)^(-1/U)+x-1]/[(1+U)*x^2] + background
11//                              where x = [rg^2*q^2]
12//                                      and the polydispersity is
13//                                      U = [M_w/M_n]-1.
14//                              scale = scale factor * volume fraction
15//                              rg = radius of gyration
16//                              poly_m = polydispersity of molecular weight
17//                              background = incoherent background
18//              </text>
19//[FIXED]=
20//[ORIENTATION_PARAMS]= <text> </text>
21
22class Poly_GaussCoil{
23public:
24  // Model parameters
25  /// Radius of gyration [A]
26  //  [DEFAULT]=rg=60.0 [A]
27  Parameter rg;
28
29  /// Scale factor
30  //  [DEFAULT]=scale= 1.0
31  Parameter scale;
32
33  /// polydispersity of molecular weight
34  //  [DEFAULT]=poly_m= 2.0 [Mw/Mn]
35  Parameter poly_m;
36
37  /// Incoherent Background [1/cm]
38  //  [DEFAULT]=background=0.001 [1/cm]
39  Parameter background;
40
41  // Constructor
42  Poly_GaussCoil();
43
44  // Operators to get I(Q)
45  double operator()(double q);
46  double operator()(double qx, double qy);
47  double calculate_ER();
48  double calculate_VR();
49  double evaluate_rphi(double q, double phi);
50};
51
52#endif
Note: See TracBrowser for help on using the repository browser.