1 | #if !defined(parallelepiped_h) |
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2 | #define parallelepiped_h |
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3 | #include "parameters.hh" |
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4 | |
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5 | /** Structure definition for Parallelepiped parameters |
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6 | * [PYTHONCLASS] = ParallelepipedModel |
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7 | * [DISP_PARAMS] = short_a, short_b, long_c,parallel_phi,parallel_psi, parallel_theta |
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8 | [DESCRIPTION] = <text> Form factor for a rectangular solid with uniform scattering length density. |
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9 | |
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10 | scale:Scale factor |
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11 | short_a: length of short edge [A] |
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12 | short_b: length of another short edge [A] |
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13 | long_c: length of long edge of the parallelepiped [A] |
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14 | sldPipe: Pipe_sld |
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15 | sldSolv: solvent_sld |
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16 | background:Incoherent Background [1/cm] |
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17 | </text> |
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18 | [FIXED]= <text>short_a.width; short_b.width; long_c.width;parallel_phi.width;parallel_psi.width; parallel_theta.width</text> |
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19 | [ORIENTATION_PARAMS]= <text>parallel_phi;parallel_psi; parallel_theta; parallel_phi.width;parallel_psi.width; parallel_theta.width; M0_sld_pipe; M_theta_pipe; M_phi_pipe;M0_sld_solv; M_theta_solv; M_phi_solv; Up_frac_i; Up_frac_f; Up_theta;</text> |
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20 | [MAGNETIC_PARAMS]= <text> M0_sld_pipe; M_theta_pipe; M_phi_pipe; M0_sld_solv; M_theta_solv; M_phi_solv; Up_frac_i; Up_frac_f; Up_theta; </text> |
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21 | |
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22 | **/ |
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23 | |
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24 | class ParallelepipedModel{ |
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25 | public: |
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26 | // Model parameters |
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27 | /// Scale factor |
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28 | // [DEFAULT]=scale=1.0 |
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29 | Parameter scale; |
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30 | /// Length of short edge of the parallelepiped [A] |
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31 | // [DEFAULT]=short_a=35 [A] |
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32 | Parameter short_a; |
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33 | /// Length of short edge edge of the parallelepiped [A] |
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34 | // [DEFAULT]=short_b=75 [A] |
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35 | Parameter short_b; |
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36 | /// Length of long edge of the parallelepiped [A] |
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37 | // [DEFAULT]=long_c=400 [A] |
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38 | Parameter long_c; |
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39 | /// SLD_Pipe [1/A^(2)] |
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40 | // [DEFAULT]=sldPipe=6.3e-6 [1/A^(2)] |
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41 | Parameter sldPipe; |
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42 | /// sldSolv [1/A^(2)] |
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43 | // [DEFAULT]=sldSolv=1.0e-6 [1/A^(2)] |
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44 | Parameter sldSolv; |
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45 | /// Incoherent Background [1/cm] |
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46 | // [DEFAULT]=background=0.0 [1/cm] |
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47 | Parameter background; |
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48 | /// Orientation of the parallelepiped axis w/respect incoming beam [deg] |
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49 | // [DEFAULT]=parallel_theta=0.0 [deg] |
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50 | Parameter parallel_theta; |
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51 | /// Orientation of the longitudinal axis of the parallelepiped in the plane of the detector [deg] |
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52 | // [DEFAULT]=parallel_phi=0.0 [deg] |
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53 | Parameter parallel_phi; |
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54 | /// Orientation of the cross-sectional minor axis of the parallelepiped in the plane of the detector [deg] |
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55 | // [DEFAULT]=parallel_psi=0.0 [deg] |
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56 | Parameter parallel_psi; |
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57 | |
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58 | /// M0_sld_pipe |
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59 | // [DEFAULT]=M0_sld_pipe=0.0e-6 [1/A^(2)] |
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60 | Parameter M0_sld_pipe; |
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61 | |
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62 | /// M_theta_pipe |
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63 | // [DEFAULT]=M_theta_pipe=0.0 [deg] |
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64 | Parameter M_theta_pipe; |
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65 | |
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66 | /// M_phi_pipe |
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67 | // [DEFAULT]=M_phi_pipe=0.0 [deg] |
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68 | Parameter M_phi_pipe; |
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69 | |
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70 | /// M0_sld_solv |
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71 | // [DEFAULT]=M0_sld_solv=0.0e-6 [1/A^(2)] |
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72 | Parameter M0_sld_solv; |
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73 | |
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74 | /// M_theta_solv |
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75 | // [DEFAULT]=M_theta_solv=0.0 [deg] |
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76 | Parameter M_theta_solv; |
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77 | |
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78 | /// M_phi_solv |
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79 | // [DEFAULT]=M_phi_solv=0.0 [deg] |
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80 | Parameter M_phi_solv; |
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81 | |
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82 | /// Up_frac_i |
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83 | // [DEFAULT]=Up_frac_i=0.5 [u/(u+d)] |
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84 | Parameter Up_frac_i; |
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85 | |
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86 | /// Up_frac_f |
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87 | // [DEFAULT]=Up_frac_f=0.5 [u/(u+d)] |
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88 | Parameter Up_frac_f; |
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89 | |
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90 | /// Up_theta |
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91 | // [DEFAULT]=Up_theta=0.0 [deg] |
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92 | Parameter Up_theta; |
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93 | |
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94 | // Constructor |
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95 | ParallelepipedModel(); |
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96 | |
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97 | // Operators to get I(Q) |
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98 | double operator()(double q); |
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99 | double operator()(double qx, double qy); |
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100 | double calculate_ER(); |
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101 | double calculate_VR(); |
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102 | double evaluate_rphi(double q, double phi); |
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103 | }; |
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104 | #endif |
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