[27a0771] | 1 | /* |
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| 2 | TODO: Add 2D model |
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| 3 | */ |
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| 4 | |
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| 5 | #if !defined(lamellarPS_HG_h) |
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| 6 | #define lamellarPS_HG_h |
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| 7 | /** Structure definition for concentrated lamellar form factor parameters |
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| 8 | * [PYTHONCLASS] = LamellarPSHGModel |
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| 9 | * [DISP_PARAMS] = deltaT,deltaH |
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| 10 | [DESCRIPTION] = <text> Calculates the scattered intensity from a concentrated lamellar phase</text> |
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| 11 | [FIXED]= deltaT.with;deltaH.with |
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| 12 | [ORIENTATION_PARAMS]= |
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| 13 | |
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| 14 | **/ |
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| 15 | typedef struct { |
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| 16 | /// Scale factor |
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| 17 | // [DEFAULT]=scale=1.0 |
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| 18 | double scale; |
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| 19 | /// repeat spacing of the lamellar [A] |
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| 20 | // [DEFAULT]=spacing=40 [A] |
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| 21 | double spacing; |
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| 22 | /// tail thickness [A] |
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| 23 | // [DEFAULT]=deltaT=10 [A] |
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| 24 | double deltaT; |
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| 25 | /// head thickness [A] |
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| 26 | // [DEFAULT]=deltaH=2.0 [A] |
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| 27 | double deltaH; |
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| 28 | /// scattering density length of tails [1/A²] |
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| 29 | // [DEFAULT]=sld_tail=4e-7 [1/A²] |
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| 30 | double sld_tail; |
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| 31 | /// scattering density length of head [1/A²] |
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| 32 | // [DEFAULT]=sld_head=2e-6 [1/A²] |
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| 33 | double sld_head; |
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| 34 | /// scattering density length of solvent [1/A²] |
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| 35 | // [DEFAULT]=sld_solvent=6e-6 [1/A²] |
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| 36 | double sld_solvent; |
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| 37 | /// Number of lamellar plates |
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| 38 | // [DEFAULT]=n_plates=30 |
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| 39 | double n_plates; |
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| 40 | /// caille parameters |
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| 41 | // [DEFAULT]=caille=0.001 |
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| 42 | double caille; |
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| 43 | /// Incoherent Background [1/cm] |
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| 44 | // [DEFAULT]=background=0.001 [1/cm] |
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| 45 | double background; |
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| 46 | |
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| 47 | } LamellarPSHGParameters; |
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| 48 | |
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| 49 | |
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| 50 | |
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| 51 | /// 1D scattering function |
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| 52 | double lamellarPS_HG_analytical_1D(LamellarPSHGParameters *pars, double q); |
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| 53 | |
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| 54 | /// 2D scattering function |
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| 55 | double lamellarPS_HG_analytical_2D(LamellarPSHGParameters *pars, double q, double phi); |
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| 56 | double lamellarPS_HG_analytical_2DXY(LamellarPSHGParameters *pars, double qx, double qy); |
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| 57 | double lamellarPS_HG_analytical_2D_scaled(LamellarPSHGParameters *pars, double q, double q_x, double q_y); |
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| 58 | |
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| 59 | #endif |
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