source: sasview/src/sas/models/include/sc.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: 2.3 KB
Line 
1#if !defined(sc_h)
2#define sc_h
3#include "parameters.hh"
4
5/**
6 * Structure definition for SC_ParaCrystal parameters
7 */
8//[PYTHONCLASS] = SCCrystalModel
9//[DISP_PARAMS] = radius,phi, psi, theta
10//[DESCRIPTION] =<text>P(q)=(scale/Vp)*V_lattice*P(q)*Z(q)+bkg where scale is the volume
11//                                       fraction of sphere,
12//                              Vp = volume of the primary particle,
13//                              V_lattice = volume correction for
14//                                      for the crystal structure,
15//                              P(q)= form factor of the sphere (normalized),
16//                              Z(q)= paracrystalline structure factor
17//                                      for a simple cubic structure.
18//                              [Simple Cubic ParaCrystal Model]
19//                              Parameters;
20//                              scale: volume fraction of spheres
21//                              bkg:background, R: radius of sphere
22//                              dnn: Nearest neighbor distance
23//                              d_factor: Paracrystal distortion factor
24//                              radius: radius of the spheres
25//                              sldSph: SLD of the sphere
26//                              sldSolv: SLD of the solvent
27//
28//              </text>
29//[FIXED]=  radius.width;phi.width;psi.width; theta.width
30//[ORIENTATION_PARAMS]= <text> phi;psi; theta; phi.width;psi.width; theta.width</text>
31
32
33
34class SCCrystalModel{
35public:
36  // Model parameters
37  /// Scale factor
38  //  [DEFAULT]=scale= 1.0
39  Parameter scale;
40
41  /// Nearest neighbor distance [A]
42  //  [DEFAULT]=dnn=220.0 [A]
43  Parameter dnn;
44
45  /// Paracrystal distortion factor g
46  //  [DEFAULT]=d_factor=0.06
47  Parameter d_factor;
48
49  /// Radius of sphere [A]
50  //  [DEFAULT]=radius=40.0 [A]
51  Parameter radius;
52
53  /// sldSph [1/A^(2)]
54  //  [DEFAULT]=sldSph= 3.0e-6 [1/A^(2)]
55  Parameter sldSph;
56
57  /// sldSolv [1/A^(2)]
58  //  [DEFAULT]=sldSolv= 6.3e-6 [1/A^(2)]
59  Parameter sldSolv;
60
61  /// Incoherent Background [1/cm]
62  //  [DEFAULT]=background=0 [1/cm]
63  Parameter background;
64  /// Orientation of the a1 axis w/respect incoming beam [deg]
65  //  [DEFAULT]=theta=0.0 [deg]
66  Parameter theta;
67  /// Orientation of the a2 in the plane of the detector [deg]
68  //  [DEFAULT]=phi=0.0 [deg]
69  Parameter phi;
70  /// Orientation of the a3 in the plane of the detector [deg]
71  //  [DEFAULT]=psi=0.0 [deg]
72  Parameter psi;
73
74  // Constructor
75  SCCrystalModel();
76
77  // Operators to get I(Q)
78  double operator()(double q);
79  double operator()(double qx, double qy);
80  double calculate_ER();
81  double calculate_VR();
82  double evaluate_rphi(double q, double phi);
83};
84
85#endif
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