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

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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: 2.7 KB
Line 
1#if !defined(o_h)
2#define pearl_necklace_h
3#include "parameters.hh"
4
5/**
6 * Structure definition for sphere parameters
7 */
8//[PYTHONCLASS] = PearlNecklaceModel
9//[DISP_PARAMS] = radius, edge_separation
10//[DESCRIPTION] =<text>Calculate form factor for Pearl Necklace Model
11//                              [Macromol. Symp. 2004, 211, 25-42]
12//                              Parameters:
13//                              background:background
14//                              scale: scale factor
15//                              sld_pearl: the SLD of the pearl spheres
16//                  sld_string: the SLD of the strings
17//                              sld_solv: the SLD of the solvent
18//                              num_pearls: number of the pearls
19//                              radius: the radius of a pearl
20//                              edge_separation: the length of string segment; surface to surface
21//                              thick_string: thickness (ie, diameter) of the string
22//              </text>
23//[FIXED]=  <text>radius.width; edge_separation.width</text>
24//[NON_FITTABLE_PARAMS]= <text></text>
25//[ORIENTATION_PARAMS]= <text> </text>
26
27typedef struct {
28  /// Scale factor
29  //  [DEFAULT]=scale= 1.0
30  double scale;
31  ///   radius [A]
32  //  [DEFAULT]=radius=80.0 [A]
33  double radius;
34  ///   edge_separation
35  //  [DEFAULT]=edge_separation= 350 [A]
36  double edge_separation;
37  ///   thick_string [A]
38  //  [DEFAULT]=thick_string= 2.5 [A]
39  double thick_string;
40  ///   num_pearls
41  //  [DEFAULT]=num_pearls= 3
42  double num_pearls;
43  ///   sld_pearl
44  //  [DEFAULT]=sld_pearl= 1.0e-06 [1/A^(2)]
45  double sld_pearl;
46  ///   sld_string
47  //  [DEFAULT]=sld_string= 1.0e-06 [1/A^(2)]
48  double sld_string;
49  ///   sld_solv
50  //  [DEFAULT]=sld_solv= 6.3e-06 [1/A^(2)]
51  double sld_solv;
52  /// Background
53  //  [DEFAULT]=background=0
54  double background;
55
56}PeralNecklaceParameters;
57
58
59
60class PearlNecklaceModel{
61public:
62  // Model parameters
63  /// Scale factor
64  //  [DEFAULT]=scale= 1.0
65  Parameter scale;
66  /// radius [A]
67  //  [DEFAULT]=radius=80.0 [A]
68  Parameter radius;
69  /// edge_separation
70  //  [DEFAULT]=edge_separation= 350 [A]
71  Parameter edge_separation;
72  /// thick_string [A]
73  //  [DEFAULT]=thick_string= 2.5 [A]
74  Parameter thick_string;
75  /// num_pearls
76  //  [DEFAULT]=num_pearls= 3
77  Parameter num_pearls;
78  /// sld_pearl
79  //  [DEFAULT]=sld_pearl= 1.0e-06 [1/A^(2)]
80  Parameter sld_pearl;
81  /// sld_string
82  //  [DEFAULT]=sld_string= 1.0e-06 [1/A^(2)]
83  Parameter sld_string;
84  /// sld_solv
85  //  [DEFAULT]=sld_solv= 6.3e-06 [1/A^(2)]
86  Parameter sld_solv;
87  /// Background
88  //  [DEFAULT]=background=0
89  Parameter background;
90
91  // Constructor
92  PearlNecklaceModel();
93
94  // Operators to get I(Q)
95  double operator()(double q);
96  double operator()(double qx, double qy);
97  double calculate_ER();
98  double calculate_VR();
99  double evaluate_rphi(double q, double phi);
100};
101
102#endif
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