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Last change
on this file since 54b9ad2 was
79492222,
checked in by krzywon, 10 years ago
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Changed the file and folder names to remove all SANS references.
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-
Property mode set to
100644
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File size:
1.3 KB
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Rev | Line | |
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[503a972] | 1 | #if !defined(lamellar_h) |
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| 2 | #define lamellar_h |
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| 3 | #include "parameters.hh" |
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| 4 | |
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| 5 | /** Structure definition for lamellar parameters |
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| 6 | * [PYTHONCLASS] = LamellarModel |
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| 7 | * [DISP_PARAMS] = bi_thick |
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| 8 | [DESCRIPTION] = <text>[Dilute Lamellar Form Factor](from a lyotropic lamellar phase) |
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| 9 | I(q)= 2*pi*P(q)/(delta *q^(2)), where |
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| 10 | P(q)=2*(contrast/q)^(2)*(1-cos(q*delta))^(2)) |
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| 11 | bi_thick = bilayer thickness |
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| 12 | sld_bi = SLD of bilayer |
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| 13 | sld_sol = SLD of solvent |
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| 14 | background = Incoherent background |
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| 15 | scale = scale factor |
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| 16 | |
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| 17 | </text> |
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| 18 | [FIXED]= <text>bi_thick.width</text> |
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| 19 | **/ |
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| 20 | |
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| 21 | class LamellarModel{ |
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| 22 | public: |
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| 23 | // Model parameters |
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| 24 | /// Scale factor |
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| 25 | // [DEFAULT]=scale=1.0 |
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| 26 | Parameter scale; |
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| 27 | /// delta bilayer thickness [A] |
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| 28 | // [DEFAULT]=bi_thick=50.0 [A] |
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| 29 | Parameter bi_thick; |
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| 30 | /// SLD of bilayer [1/A^(2)] |
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| 31 | // [DEFAULT]=sld_bi=1.0e-6 [1/A^(2)] |
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| 32 | Parameter sld_bi; |
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| 33 | /// SLD of solvent [1/A^(2)] |
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| 34 | // [DEFAULT]=sld_sol=6.3e-6 [1/A^(2)] |
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| 35 | Parameter sld_sol; |
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| 36 | /// Incoherent Background [1/cm] 0.00 |
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| 37 | // [DEFAULT]=background=0.0 [1/cm] |
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| 38 | Parameter background; |
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| 39 | // Constructor |
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| 40 | LamellarModel(); |
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| 41 | |
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| 42 | // Operators to get I(Q) |
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| 43 | double operator()(double q); |
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| 44 | double operator()(double qx, double qy); |
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| 45 | double calculate_ER(); |
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[6319646] | 46 | double calculate_VR(); |
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[503a972] | 47 | double evaluate_rphi(double q, double phi); |
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| 48 | }; |
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| 49 | |
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| 50 | #endif |
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