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 5f89fb8 was
0f5bc9f,
checked in by Mathieu Doucet <doucetm@…>, 16 years ago
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Update of all C models to the new style of C++ models
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-
Property mode set to
100644
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File size:
1.5 KB
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1 | #if !defined(ellipsoid_h) |
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2 | #define ellipsoid_h |
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3 | |
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4 | /** |
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5 | * Structure definition for ellipsoid parameters |
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6 | * The ellipsoid has axes radius_b, radius_b, radius_a. |
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7 | * Ref: Jan Skov Pedersen, Advances in Colloid and Interface Science, 70 (1997) 171-210 |
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8 | */ |
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9 | //[PYTHONCLASS] = EllipsoidModel |
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10 | //[DISP_PARAMS] = radius_a, radius_b, axis_theta, axis_phi |
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11 | typedef struct { |
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12 | /// Scale factor |
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13 | // [DEFAULT]=scale=1.0 |
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14 | double scale; |
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15 | |
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16 | /// Rotation axis radius_a [A] |
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17 | // [DEFAULT]=radius_a=20.0 A |
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18 | double radius_a; |
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19 | |
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20 | /// Radius_b [A] |
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21 | // [DEFAULT]=radius_b=400 A |
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22 | double radius_b; |
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23 | |
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24 | /// Contrast [Å-2] |
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25 | // [DEFAULT]=contrast=3.0e-6 A-2 |
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26 | double contrast; |
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27 | |
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28 | /// Incoherent Background [cm-1] |
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29 | // [DEFAULT]=background=0 cm-1 |
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30 | double background; |
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31 | |
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32 | /// Orientation of the long axis of the ellipsoid w/respect incoming beam [rad] |
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33 | // [DEFAULT]=axis_theta=1.57 rad |
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34 | double axis_theta; |
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35 | /// Orientation of the long axis of the ellipsoid in the plane of the detector [rad] |
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36 | // [DEFAULT]=axis_phi=0.0 rad |
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37 | double axis_phi; |
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38 | } EllipsoidParameters; |
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39 | |
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40 | |
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41 | |
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42 | /// 1D scattering function |
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43 | double ellipsoid_analytical_1D(EllipsoidParameters *pars, double q); |
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44 | |
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45 | /// 2D scattering function |
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46 | double ellipsoid_analytical_2D(EllipsoidParameters *pars, double q, double phi); |
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47 | double ellipsoid_analytical_2DXY(EllipsoidParameters *pars, double qx, double qy); |
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48 | double ellipsoid_analytical_2D_scaled(EllipsoidParameters *pars, double q, double q_x, double q_y); |
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49 | |
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50 | #endif |
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