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on this file since b8a8e4e was
b8a8e4e,
checked in by Mathieu Doucet <doucetm@…>, 11 years ago
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1 | #if !defined(fuzzysphere_h) |
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2 | #define fuzzysphere_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 FuzzySphere parameters |
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7 | */ |
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8 | //[PYTHONCLASS] = FuzzySphereModel |
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9 | //[DISP_PARAMS] = radius, fuzziness |
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10 | //[DESCRIPTION] =<text> |
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11 | // scale: scale factor times volume fraction, |
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12 | // or just volume fraction for absolute scale data |
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13 | // radius: radius of the solid sphere |
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14 | // fuzziness = the STD of the height of fuzzy interfacial |
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15 | // thickness (ie., so-called interfacial roughness) |
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16 | // sldSph: the SLD of the sphere |
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17 | // sldSolv: the SLD of the solvent |
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18 | // background: incoherent background |
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19 | // Note: By definition, this function works only when fuzziness << radius. |
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20 | // </text> |
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21 | //[FIXED]= radius.width; fuzziness.width |
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22 | //[ORIENTATION_PARAMS]= <text> </text> |
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23 | |
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24 | class FuzzySphereModel{ |
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25 | public: |
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26 | // Model parameters |
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27 | /// Radius of sphere [A] |
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28 | // [DEFAULT]=radius=60.0 [A] |
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29 | Parameter radius; |
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30 | /// Scale factor |
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31 | // [DEFAULT]=scale= 0.01 |
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32 | Parameter scale; |
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33 | |
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34 | |
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35 | /// surface roughness [A] |
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36 | // [DEFAULT]=fuzziness= 10.0 [A] |
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37 | Parameter fuzziness; |
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38 | |
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39 | /// sldSph [1/A^(2)] |
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40 | // [DEFAULT]=sldSph= 1.0e-6 [1/A^(2)] |
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41 | Parameter sldSph; |
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42 | |
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43 | /// sldSolv [1/A^(2)] |
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44 | // [DEFAULT]=sldSolv= 3.0e-6 [1/A^(2)] |
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45 | Parameter sldSolv; |
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46 | |
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47 | /// Incoherent Background [1/cm] |
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48 | // [DEFAULT]=background=0.001 [1/cm] |
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49 | Parameter background; |
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50 | |
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51 | // Constructor |
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52 | FuzzySphereModel(); |
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53 | |
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54 | // Operators to get I(Q) |
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55 | double operator()(double q); |
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56 | double operator()(double qx, double qy); |
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57 | double calculate_ER(); |
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58 | double calculate_VR(); |
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59 | double evaluate_rphi(double q, double phi); |
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60 | }; |
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61 | |
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62 | #endif |
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