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Jungfraujoch/common/Coord.h
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leonarski_f 680c36c20d
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v1.0.0-rc.166 (#76)
* `rugnux --mode calibration` writes `<prefix>.json` beside the `.poni`, whose `dataset_settings` member is a `jfjoch_broker` `dataset_settings` body as it stands.
* `rugnux` and `jfjoch_viewer` read PILATUS miniCBF sweeps natively, without conversion.
* Masters written by other facilities open, including Eiger 1.x and third-party NXmx variants.
* `rugnux` measures the beam centre on every run, and indexes with it when the file's value indexes nothing.
* A detector swung out on a 2theta arm is placed where the file says it stands, and the calibration can hold the tilt fixed.
* `rugnux` writes the unmerged MTZ by default, and a P1 merge beside it, so a wrong space group can be re-merged without reprocessing.
* Significant improvements to symmetry handling in `rugnux`: the lattice, the point group, the setting and the systematic absences.
* The `rugnux` report gives the resolution the CC1/2 fit reached, beside the range the reflections were written to.
* The `rugnux` report gives the twinning statistics measured before the space group was decided, beside the ones measured after.
* The `rugnux` report gives the strong-direction diffraction limit, and warns when CC1/2 is not monotone with resolution.
* `rugnux` ranks screw axes on the evidence their absences carry, rather than on how many control reflections a candidate happens to have.
* Twinning is no longer reported when the L-test contradicts it.
* The `rugnux` report gives the detector tilt, the measured tilt and the direct beam beside the beam centre, and a post-refined beam centre is judged against the run's own measurement rather than the file's.
* `--no-refine-tilt` holds the detector tilt at the value in the file, instead of zeroing it, when the calibration starts from the spots.
* The `jfjoch_viewer` grid scan view draws the cells in the proportion of the scan steps, so the map has the shape of the scanned area.

Reviewed-on: #76
Co-authored-by: Filip Leonarski <filip.leonarski@psi.ch>
2026-09-02 21:17:31 +02:00

68 lines
1.9 KiB
C++

// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#pragma once
#include <ostream>
#include <vector>
class Coord {
public:
float x,y,z;
Coord();
Coord(const float in[3]);
Coord(float x, float y, float z);
void swap(Coord& other) noexcept;
Coord operator+(const Coord &in) const;
Coord operator-(const Coord &in) const;
Coord operator*(float in) const;
Coord operator/(float in) const;
Coord operator-() const;
Coord& operator+=(const Coord &in);
Coord& operator-=(const Coord &in);
Coord& operator*=(float in);
Coord& operator/=(float in);
bool operator==(const Coord &other) const;
Coord operator%(const Coord &in) const; // Cross product
float operator*(const Coord &in) const; // Dot product
const float& operator[](int64_t val) const;
float& operator[](int64_t val);
float Length() const;
Coord Normalize() const;
friend std::ostream &operator<<( std::ostream &output, const Coord &in );
};
Coord operator*(float in1, const Coord& in2);
inline void swap(Coord& a, Coord& b) noexcept;
float angle_deg(const Coord &in1, const Coord &in2);
class RotMatrix {
float v[3][3];
public:
RotMatrix();
RotMatrix(float alpha, const Coord &dir);
// From three columns. Only the arithmetic is enforced, not orthogonality - this is how a
// detector orientation is built from its fast, slow and normal axes.
RotMatrix(const Coord &col0, const Coord &col1, const Coord &col2);
[[nodiscard]] Coord Column(int64_t i) const;
Coord operator*(const Coord &in) const;
RotMatrix operator*(const RotMatrix &other) const;
RotMatrix invert() const;
RotMatrix transpose() const;
RotMatrix operator!() const;
std::vector<float> arr() const;
};
inline void swap(Coord& a, Coord& b) noexcept {
a.swap(b);
}