66 lines
2.8 KiB
C++
66 lines
2.8 KiB
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#ifndef JUNGFRAUJOCH_DIFFRACTIONGEOMETRY_H
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#define JUNGFRAUJOCH_DIFFRACTIONGEOMETRY_H
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#include "JFJochException.h"
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#include "Coord.h"
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class DiffractionGeometry {
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float beam_x_pxl = 0.0;
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float beam_y_pxl = 0.0;
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float det_distance_mm = 100.0;
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float pixel_size_mm = 0.075;
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float wavelength_A = 1.0;
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float poni_rot_1 = 0.0f;
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float poni_rot_2 = 0.0f;
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float poni_rot_3 = 0.0f;
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RotMatrix poni_rot;
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void UpdatePoniRotMatrix();
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public:
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DiffractionGeometry &BeamX_pxl(float input);
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DiffractionGeometry &BeamY_pxl(float input);
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DiffractionGeometry &DetectorDistance_mm(float input);
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DiffractionGeometry &PixelSize_mm(float input);
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DiffractionGeometry &Wavelength_A(float input);
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DiffractionGeometry &PoniRot1_rad(float input);
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DiffractionGeometry &PoniRot2_rad(float input);
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DiffractionGeometry &PoniRot3_rad(float input);
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[[nodiscard]] float GetBeamX_pxl() const;
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[[nodiscard]] float GetBeamY_pxl() const;
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[[nodiscard]] float GetDetectorDistance_mm() const;
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[[nodiscard]] float GetPixelSize_mm() const;
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[[nodiscard]] float GetWavelength_A() const;
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[[nodiscard]] Coord GetScatteringVector() const;
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[[nodiscard]] float GetPoniRot1_rad() const;
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[[nodiscard]] float GetPoniRot2_rad() const;
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[[nodiscard]] float GetPoniRot3_rad() const;
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[[nodiscard]] std::pair<float, float> GetDirectBeam_pxl() const;
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[[nodiscard]] Coord LabCoord(float x, float y) const;
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[[nodiscard]] Coord DetectorToRecip(float x, float y) const;
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[[nodiscard]] std::pair<float, float> RecipToDector(const Coord &recip) const;
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[[nodiscard]] float TwoTheta_rad(float x, float y) const;
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[[nodiscard]] float Phi_rad(float x, float y) const;
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[[nodiscard]] float PxlToRes(float x, float y) const;
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[[nodiscard]] float PxlToQ(float x, float y) const;
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[[nodiscard]] float PxlToRes(float dist_pxl) const;
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[[nodiscard]] float ResToPxl(float d_A) const;
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[[nodiscard]] Coord ResToPxl(float d_A, float phi) const;
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[[nodiscard]] float DistFromEwaldSphere(const Coord& recip) const;
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[[nodiscard]] float CalcAzIntSolidAngleCorr(float q) const;
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[[nodiscard]] float CalcAzIntSolidAngleCorr(float x, float y) const;
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[[nodiscard]] float CalcAzIntPolarizationCorr(float x, float y, float coeff) const;
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[[nodiscard]] std::pair<float, float> ResPhiToPxl(float d_A, float phi_rad) const;
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[[nodiscard]] Coord ProjectToEwaldSphere(const Coord &p0) const;
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// eq. 18 in https://journals.iucr.org/d/issues/2014/08/00/dz5332/index.html
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[[nodiscard]] float AngleFromEwaldSphere_deg(const Coord &p0) const;
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[[nodiscard]] const RotMatrix& GetPoniRotMatrix() const;
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};
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#endif //JUNGFRAUJOCH_DIFFRACTIONGEOMETRY_H
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