source: sasview/src/sas/models/include/flexcyl_ellipX.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: 1.7 KB
Line 
1#if !defined(flexcyl_ellipX_h)
2#define flexcyl_ellipX_h
3#include "parameters.hh"
4
5/** Structure definition for Flexible cylinder w/ EllipX parameters
6 * [PYTHONCLASS] = FlexCylEllipXModel
7 * [DISP_PARAMS] = length, kuhn_length, radius, axis_ratio
8   [DESCRIPTION] = <text> Note : scale and contrast=sldCyl-sldSolv are both multiplicative factors in the
9                model and are perfectly correlated. One or
10                both of these parameters must be held fixed
11                during model fitting.
12                </text>
13        [FIXED]= <text>length.width; kuhn_length.width; radius.width; axis_ratio.width</text>
14        [ORIENTATION_PARAMS]= <text></text>
15 **/
16
17class FlexCylEllipXModel{
18public:
19  // Model parameters
20  /// Scale factor
21  //  [DEFAULT]=scale=1.0
22  Parameter scale;
23  /// Length of the flexible cylinder [A]
24  //  [DEFAULT]=length=1000 [A]
25  Parameter length;
26  /// Kuhn length of the flexible cylinder [A]
27  //  [DEFAULT]=kuhn_length=100 [A]
28  Parameter kuhn_length;
29  /// Radius of the flexible cylinder [A]
30  //  [DEFAULT]=radius=20.0 [A]
31  Parameter radius;
32  /// axis_ratio (major_radius/radius
33  //  [DEFAULT]=axis_ratio=1.5
34  Parameter axis_ratio;
35  /// SLD of cylinder [1/A^(2)]
36  //  [DEFAULT]=sldCyl=1.0e-6 [1/A^(2)]
37  Parameter sldCyl;
38  /// SLD of solvent [1/A^(2)]
39  //  [DEFAULT]=sldSolv=6.3e-6 [1/A^(2)]
40  Parameter sldSolv;
41  /// Incoherent Background [1/cm]
42  //  [DEFAULT]=background=0.0001 [1/cm]
43  Parameter background;
44
45  // Constructor
46  FlexCylEllipXModel();
47
48  // Operators to get I(Q)
49  double operator()(double q);
50  double operator()(double qx, double qy);
51  double calculate_ER();
52  double calculate_VR();
53  double evaluate_rphi(double q, double phi);
54};
55
56#endif
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