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 8809e48 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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Rev | Line | |
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[ae3ce4e] | 1 | #if !defined(ellipsoid_h) |
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| 2 | #define ellipsoid_h |
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| 3 | |
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[0f5bc9f] | 4 | /** |
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| 5 | * Structure definition for ellipsoid parameters |
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[ae3ce4e] | 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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[0f5bc9f] | 10 | //[DISP_PARAMS] = radius_a, radius_b, axis_theta, axis_phi |
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[ae3ce4e] | 11 | typedef struct { |
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[0f5bc9f] | 12 | /// Scale factor |
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[ae3ce4e] | 13 | // [DEFAULT]=scale=1.0 |
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| 14 | double scale; |
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[0f5bc9f] | 15 | |
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| 16 | /// Rotation axis radius_a [A] |
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[ae3ce4e] | 17 | // [DEFAULT]=radius_a=20.0 A |
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| 18 | double radius_a; |
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[0f5bc9f] | 19 | |
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| 20 | /// Radius_b [A] |
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[ae3ce4e] | 21 | // [DEFAULT]=radius_b=400 A |
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| 22 | double radius_b; |
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[0f5bc9f] | 23 | |
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| 24 | /// Contrast [Å-2] |
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[ae3ce4e] | 25 | // [DEFAULT]=contrast=3.0e-6 A-2 |
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| 26 | double contrast; |
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[0f5bc9f] | 27 | |
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[ae3ce4e] | 28 | /// Incoherent Background [cm-1] |
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| 29 | // [DEFAULT]=background=0 cm-1 |
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[0f5bc9f] | 30 | double background; |
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| 31 | |
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[ae3ce4e] | 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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[0f5bc9f] | 37 | double axis_phi; |
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[ae3ce4e] | 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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