[27a0771] | 1 | #if !defined(oblate_h) |
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| 2 | #define oblate_h |
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| 3 | /** Structure definition for oblate parameters |
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| 4 | * [PYTHONCLASS] = OblateModel |
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[96b59384] | 5 | * [DISP_PARAMS] = major_core, minor_core, major_shell,minor_shell |
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| 6 | [DESCRIPTION] = <text>[OblateCoreShellModel] Calculates the form factor for an oblate |
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| 7 | ellipsoid particle with a core_shell structure. |
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| 8 | The form factor is averaged over all possible |
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| 9 | orientations of the ellipsoid such that P(q) |
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| 10 | = scale*<f^2>/Vol + bkg, where f is the |
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| 11 | single particle scattering amplitude. |
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| 12 | [Parameters]: |
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| 13 | major_core = radius of major_core, |
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| 14 | minor_core = radius of minor_core, |
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| 15 | major_shell = radius of major_shell, |
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| 16 | minor_shell = radius of minor_shell, |
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| 17 | contrast = SLD_core - SLD_shell |
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| 18 | sld_solvent = SLD_solvent |
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| 19 | background = Incoherent bkg |
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| 20 | scale =scale |
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| 21 | Note:It is the users' responsibility to ensure |
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| 22 | that shell radii are larger than core radii. |
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| 23 | </text> |
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[27a0771] | 24 | |
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[96b59384] | 25 | [FIXED] = <text>major_core.width;minor_core.width; major_shell.width; minor_shell.width</text> |
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[975ec8e] | 26 | [ORIENTATION_PARAMS]= <text>axis_phi; axis_theta; axis_phi.width; axis_theta.width</text> |
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[27a0771] | 27 | |
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| 28 | **/ |
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| 29 | typedef struct { |
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| 30 | /// Scale factor |
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| 31 | // [DEFAULT]=scale=1.0 |
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| 32 | double scale; |
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| 33 | /// Major core of oblate [A] |
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| 34 | // [DEFAULT]=major_core=200.0 [A] |
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| 35 | double major_core; |
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| 36 | /// Minor core of oblate [A] |
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| 37 | // [DEFAULT]=minor_core=20.0 [A] |
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| 38 | double minor_core; |
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| 39 | /// Major shell of oblate [A] |
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| 40 | // [DEFAULT]=major_shell=250.0 [A] |
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| 41 | double major_shell; |
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| 42 | /// Minor shell of oblate [A] |
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| 43 | // [DEFAULT]=minor_shell=30.0 [A] |
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| 44 | double minor_shell; |
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| 45 | /// Scattering contrast [1/A²] |
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| 46 | // [DEFAULT]=contrast=1.0e-6 [1/A²] |
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| 47 | double contrast; |
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| 48 | /// Solvent scattering length density [1/A²] |
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| 49 | // [DEFAULT]=sld_solvent=6.3e-6 [1/A²] |
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| 50 | double sld_solvent; |
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| 51 | /// Incoherent Background [1/cm] 0.001 |
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| 52 | // [DEFAULT]=background=0.001 [1/cm] |
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| 53 | double background; |
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[975ec8e] | 54 | //Disable for now |
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[27a0771] | 55 | /// Orientation of the oblate axis w/respect incoming beam [rad] |
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| 56 | // [DEFAULT]=axis_theta=1.0 [rad] |
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| 57 | double axis_theta; |
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| 58 | /// Orientation of the oblate in the plane of the detector [rad] |
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| 59 | // [DEFAULT]=axis_phi=1.0 [rad] |
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| 60 | double axis_phi; |
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[975ec8e] | 61 | |
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[27a0771] | 62 | } OblateParameters; |
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| 63 | |
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| 64 | |
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| 65 | |
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| 66 | /// 1D scattering function |
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| 67 | double oblate_analytical_1D(OblateParameters *pars, double q); |
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| 68 | |
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| 69 | /// 2D scattering function |
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| 70 | double oblate_analytical_2D(OblateParameters *pars, double q, double phi); |
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| 71 | double oblate_analytical_2DXY(OblateParameters *pars, double qx, double qy); |
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[96b59384] | 72 | //double oblate_analytical_2D_scaled(OblateParameters *pars, double q, double q_x, double q_y); |
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[27a0771] | 73 | |
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| 74 | #endif |
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