source: sasview/sansmodels/src/sans/models/c_extensions/corefourshell.h @ 1aaa579

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Last change on this file since 1aaa579 was 339ce67, checked in by Jae Cho <jhjcho@…>, 14 years ago

added some models and tests

  • Property mode set to 100644
File size: 2.5 KB
Line 
1#if !defined(corefourshell_h)
2#define corefourshell_h
3
4/**
5 * Structure definition for sphere parameters
6 */
7 //[PYTHONCLASS] = CoreFourShellModel
8 //[DISP_PARAMS] = rad_core0, thick_shell1,thick_shell2,thick_shell3,thick_shell4
9 //[DESCRIPTION] =<text> Calculates the scattering intensity from a core-4 shell structure.
10 //                     scale = scale factor * volume fraction
11 //                             rad_core0: the radius of the core
12 //                             sld_core0: the SLD of the core
13 //                             thick_shelli: the thickness of the i'th shell from the core
14 //                             sld_shelli: the SLD of the i'th shell from the core
15 //                             sld_solv: the SLD of the solvent
16 //                             background: incoherent background
17 //             </text>
18 //[FIXED]=<text>  thick_shell4.width; thick_shell1.width;thick_shell2.width;thick_shell3.width;rad_core0.width </text>
19 //[ORIENTATION_PARAMS]= <text> </text>
20
21typedef struct {
22    /// Scale factor
23    //  [DEFAULT]=scale= 1.0
24    double scale;
25
26    /// Radius of the core0 [A]
27    //  [DEFAULT]=rad_core0=60. [A]
28    double rad_core0;
29
30    /// sld of core0 [1/A^(2)]
31    //  [DEFAULT]=sld_core0= 6.4e-6 [1/A^(2)]
32    double sld_core0;
33
34    /// thickness of the shell1 [A]
35     //  [DEFAULT]=thick_shell1=10.0 [A]
36    double thick_shell1;
37
38     ///        sld of shell1 [1/A^(2)]
39     //  [DEFAULT]=sld_shell1= 1.0e-6 [1/A^(2)]
40     double sld_shell1;
41
42     ///        thickness of the shell2 [A]
43      //  [DEFAULT]=thick_shell2=10.0 [A]
44     double thick_shell2;
45
46      ///       sld of shell2 [1/A^(2)]
47      //  [DEFAULT]=sld_shell2= 2.0e-6 [1/A^(2)]
48      double sld_shell2;
49
50      ///       thickness of the shell3 [A]
51       //  [DEFAULT]=thick_shell3=10.0 [A]
52      double thick_shell3;
53
54       ///      sld of shell3 [1/A^(2)]
55       //  [DEFAULT]=sld_shell3= 3.0e-6 [1/A^(2)]
56       double sld_shell3;
57
58       ///      thickness of the shell4 [A]
59        //  [DEFAULT]=thick_shell4=10.0 [A]
60       double thick_shell4;
61
62        ///     sld of shell4 [1/A^(2)]
63        //  [DEFAULT]=sld_shell4= 4.0e-6 [1/A^(2)]
64        double sld_shell4;
65
66    /// sld_solv[1/A^(2)]
67    //  [DEFAULT]=sld_solv= 6.4e-6 [1/A^(2)]
68    double sld_solv;
69
70        /// Incoherent Background [1/cm]
71        //  [DEFAULT]=background=0.001 [1/cm]
72        double background;
73} CoreFourShellParameters;
74
75
76
77/// 1D scattering function
78double corefourshell_analytical_1D(CoreFourShellParameters *pars, double q);
79
80/// 2D scattering function
81double corefourshell_analytical_2D(CoreFourShellParameters *pars, double q, double phi);
82double corefourshell_analytical_2DXY(CoreFourShellParameters *pars, double qx, double qy);
83
84#endif
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