source: sasview/src/sas/models/include/hollow_cylinder.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: 2.0 KB
Line 
1#if !defined(hollow_cylinder_h)
2#define hollow_cylinder_h
3#include "parameters.hh"
4
5/**
6 * Structure definition for hollow cylinder parameters
7 */
8//[PYTHONCLASS] = HollowCylinderModel
9//[DISP_PARAMS] = core_radius, radius, length, axis_theta, axis_phi
10//[DESCRIPTION] = <text> P(q) = scale*<f*f>/Vol + bkg, where f is the scattering amplitude.
11//                                      core_radius = the radius of core
12//                              radius = the radius of shell
13//                      length = the total length of the cylinder
14//                              sldCyl = SLD of the shell
15//                              sldSolv = SLD of the solvent
16//                              background = incoherent background
17//      </text>
18//[FIXED]= <text> axis_phi.width; axis_theta.width; length.width;core_radius.width; radius</text>
19//[ORIENTATION_PARAMS]= axis_phi; axis_theta;axis_phi.width; axis_theta.width
20
21class HollowCylinderModel{
22public:
23  // Model parameters
24  /// Scale factor
25  //  [DEFAULT]=scale=1.0
26  Parameter scale;
27
28  /// Core radius [A]
29  //  [DEFAULT]=core_radius=20.0 [A]
30  Parameter core_radius;
31
32  /// Shell radius [A]
33  //  [DEFAULT]=radius=30.0 [A]
34  Parameter radius;
35
36  /// Hollow cylinder length [A]
37  //  [DEFAULT]=length=400.0 [A]
38  Parameter length;
39
40  /// SLD_cylinder  [1/A^(2)]
41  //  [DEFAULT]=sldCyl=6.3e-6 [1/A^(2)]
42  Parameter sldCyl;
43
44  /// SLD_solvent  [1/A^(2)]
45  //  [DEFAULT]=sldSolv=1.0e-6 [1/A^(2)]
46  Parameter sldSolv;
47
48  /// Incoherent Background [1/cm]
49  //  [DEFAULT]=background=0.01 [1/cm]
50  Parameter background;
51
52  /// Orientation of the long axis of the hollow cylinder w/respect incoming beam [deg]
53  //  [DEFAULT]=axis_theta=90.0 [deg]
54  Parameter axis_theta;
55
56  /// Orientation of the long axis of the hollow cylinder in the plane of the detector [deg]
57  //  [DEFAULT]=axis_phi=0.0 [deg]
58  Parameter axis_phi;
59  //Constructor
60  HollowCylinderModel();
61
62  //Operators to get I(Q)
63  double operator()(double q);
64  double operator()(double qx , double qy);
65  double calculate_ER();
66  double calculate_VR();
67  double evaluate_rphi(double q, double phi);
68};
69
70#endif
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