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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:
1.2 KB
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Rev | Line | |
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[503a972] | 1 | #if !defined(polygausscoil_h) |
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| 2 | #define polygausscoil_h |
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| 3 | #include "parameters.hh" |
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| 4 | |
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| 5 | /** |
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| 6 | * Structure definition for sphere parameters |
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| 7 | */ |
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| 8 | //[PYTHONCLASS] = Poly_GaussCoil |
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| 9 | //[DISP_PARAMS] = rg |
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| 10 | //[DESCRIPTION] =<text>I(q)=(scale)*2*[(1+U*x)^(-1/U)+x-1]/[(1+U)*x^2] + background |
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| 11 | // where x = [rg^2*q^2] |
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| 12 | // and the polydispersity is |
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| 13 | // U = [M_w/M_n]-1. |
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| 14 | // scale = scale factor * volume fraction |
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| 15 | // rg = radius of gyration |
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| 16 | // poly_m = polydispersity of molecular weight |
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| 17 | // background = incoherent background |
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| 18 | // </text> |
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| 19 | //[FIXED]= |
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| 20 | //[ORIENTATION_PARAMS]= <text> </text> |
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| 21 | |
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| 22 | class Poly_GaussCoil{ |
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| 23 | public: |
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| 24 | // Model parameters |
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| 25 | /// Radius of gyration [A] |
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| 26 | // [DEFAULT]=rg=60.0 [A] |
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| 27 | Parameter rg; |
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| 28 | |
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| 29 | /// Scale factor |
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| 30 | // [DEFAULT]=scale= 1.0 |
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| 31 | Parameter scale; |
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| 32 | |
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| 33 | /// polydispersity of molecular weight |
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| 34 | // [DEFAULT]=poly_m= 2.0 [Mw/Mn] |
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| 35 | Parameter poly_m; |
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| 36 | |
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| 37 | /// Incoherent Background [1/cm] |
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| 38 | // [DEFAULT]=background=0.001 [1/cm] |
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| 39 | Parameter background; |
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| 40 | |
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| 41 | // Constructor |
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| 42 | Poly_GaussCoil(); |
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| 43 | |
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| 44 | // Operators to get I(Q) |
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| 45 | double operator()(double q); |
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| 46 | double operator()(double qx, double qy); |
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| 47 | double calculate_ER(); |
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[6319646] | 48 | double calculate_VR(); |
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[503a972] | 49 | double evaluate_rphi(double q, double phi); |
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| 50 | }; |
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| 51 | |
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| 52 | #endif |
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