ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change
on this file since 916f5c0 was
2399b2a,
checked in by Jae Cho <jhjcho@…>, 14 years ago
|
remove some un-used c_extension models
|
-
Property mode set to
100644
|
File size:
1.7 KB
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1 | #if !defined(fractal_h) |
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2 | #define fractal_h |
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3 | |
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4 | /** |
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5 | * Structure definition for sphere parameters |
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6 | */ |
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7 | //[PYTHONCLASS] = FractalModel |
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8 | //[DISP_PARAMS] = radius |
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9 | //[DESCRIPTION] =<text> The scattering intensity I(x) = P(|x|)*S(|x|) + background, where |
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10 | // p(x)= scale * V * delta^(2)* F(x*radius)^(2) |
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11 | // F(x) = 3*[sin(x)-x cos(x)]/x**3 |
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12 | // where delta = sldBlock -sldSolv. |
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13 | // scale = scale factor * Volume fraction |
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14 | // radius = Block radius |
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15 | // fractal_dim = Fractal dimension |
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16 | // cor_length = Correlation Length |
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17 | // sldBlock = SDL block |
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18 | // sldSolv = SDL solvent |
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19 | // background = background |
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20 | // </text> |
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21 | //[FIXED]= <text> radius.width </text> |
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22 | //[ORIENTATION_PARAMS]= <text> </text> |
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23 | |
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24 | typedef struct { |
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25 | /// Scale factor |
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26 | // [DEFAULT]=scale= 0.05 |
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27 | double scale; |
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28 | |
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29 | /// Radius of gyration [A] |
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30 | // [DEFAULT]=radius=5.0 [A] |
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31 | double radius; |
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32 | |
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33 | /// Fractal dimension |
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34 | // [DEFAULT]=fractal_dim=2.0 |
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35 | double fractal_dim; |
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36 | |
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37 | /// Correlation Length [A] |
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38 | // [DEFAULT]=cor_length=100.0 [A] |
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39 | double cor_length; |
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40 | |
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41 | /// SDL block [1/A^(2)] |
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42 | // [DEFAULT]=sldBlock=2.0e-6 [1/A^(2)] |
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43 | double sldBlock; |
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44 | |
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45 | /// SDL solvent [1/A^(2)] |
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46 | // [DEFAULT]=sldSolv= 6.35e-6 [1/A^(2)] |
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47 | double sldSolv; |
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48 | |
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49 | /// Incoherent Background [1/cm] |
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50 | // [DEFAULT]=background=0.0 [1/cm] |
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51 | double background; |
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52 | } FractalParameters; |
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53 | |
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54 | |
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55 | |
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56 | /// 1D scattering function |
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57 | //double fractal_analytical_1D(FractalParameters *pars, double q); |
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58 | |
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59 | /// 2D scattering function |
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60 | //double fractal_analytical_2D(FractalParameters *pars, double q, double phi); |
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61 | //double fractal_analytical_2DXY(FractalParameters *pars, double qx, double qy); |
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62 | |
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63 | #endif |
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