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7df1a50,
checked in by Jae Cho <jhjcho@…>, 13 years ago
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[ae3ce4e] | 1 | #if !defined(disperse_cylinder_h) |
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| 2 | #define disperse_cylinder_h |
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| 3 | |
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| 4 | /** Structure definition for dispersed cylinder parameters |
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| 5 | * [PYTHONCLASS] = DispCylinderModel |
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| 6 | * [BASESTRUCT] = CylinderParameters |
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| 7 | * [BASE_H] = cylinder |
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| 8 | * */ |
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| 9 | typedef struct { |
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| 10 | /// Scale factor |
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| 11 | // [DEFAULT]=scale=1.0 |
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| 12 | double scale; |
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| 13 | /// Radius of the cylinder [A] |
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| 14 | // [DEFAULT]=radius=20.0 A |
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| 15 | double radius; |
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| 16 | /// Length of the cylinder [A] |
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| 17 | // [DEFAULT]=length=400.0 A |
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| 18 | double length; |
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| 19 | /// Contrast [A-2] |
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| 20 | // [DEFAULT]=contrast=3.0e-6 A-2 |
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| 21 | double contrast; |
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| 22 | /// Incoherent Background (cm-1) 0.000 |
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| 23 | // [DEFAULT]=background=0 cm-1 |
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| 24 | double background; |
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| 25 | /// Orientation of the cylinder axis w/respect incoming beam [rad] |
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| 26 | // [DEFAULT]=cyl_theta=1.57 rad |
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| 27 | double cyl_theta; |
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| 28 | /// Orientation of the cylinder in the plane of the detector [rad] |
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| 29 | // [DEFAULT]=cyl_phi=0.0 rad |
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| 30 | |
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| 31 | /// |
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| 32 | // [DEFAULT]=cyl_phi=0.0 rad |
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| 33 | double cyl_phi; |
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| 34 | |
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| 35 | /// |
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| 36 | // [DEFAULT]=sigma_theta=0.0 rad |
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| 37 | double sigma_theta; |
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| 38 | |
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| 39 | /// |
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| 40 | // [DEFAULT]=sigma_phi=0.0 rad |
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| 41 | double sigma_phi; |
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| 42 | |
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| 43 | /// |
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| 44 | // [DEFAULT]=sigma_radius=0.0 rad |
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| 45 | double sigma_radius; |
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| 46 | |
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| 47 | /// |
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| 48 | // [DEFAULT]=sigma_radius=0.0 rad |
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| 49 | double sigma_length; |
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| 50 | |
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| 51 | /// |
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| 52 | // [DEFAULT]=n_pts=25 |
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| 53 | double n_pts; |
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| 54 | |
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| 55 | |
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| 56 | } DispCylinderParameters; |
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| 57 | |
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| 58 | |
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| 59 | |
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| 60 | /// 1D scattering function |
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| 61 | double disperse_cylinder_analytical_1D(DispCylinderParameters *pars, double q); |
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| 62 | |
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| 63 | /// 2D scattering function |
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| 64 | double disperse_cylinder_analytical_2D(DispCylinderParameters *pars, double q, double phi); |
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| 65 | double disperse_cylinder_dist( double x, double mean, double sigma ); |
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| 66 | |
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| 67 | #endif |
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