-
Notifications
You must be signed in to change notification settings - Fork 122
/
ReflectometrySumInQ.h
83 lines (75 loc) · 3.19 KB
/
ReflectometrySumInQ.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
// NScD Oak Ridge National Laboratory, European Spallation Source,
// Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
#include "MantidAPI/Algorithm.h"
#include "MantidReflectometry/DllConfig.h"
#include <cmath>
namespace Mantid {
namespace API {
class SpectrumInfo;
}
namespace HistogramData {
class BinEdges;
class Counts;
class CountStandardDeviations;
} // namespace HistogramData
namespace Reflectometry {
/** ReflectometrySumInQ : Sum counts from the input workspace in lambda
along lines of constant Q by projecting to "virtual lambda" at a
reference angle.
*/
class MANTID_REFLECTOMETRY_DLL ReflectometrySumInQ : public API::Algorithm {
public:
struct Angles {
double horizon{std::numeric_limits<double>::quiet_NaN()};
double twoTheta{std::numeric_limits<double>::quiet_NaN()};
double delta{std::numeric_limits<double>::quiet_NaN()};
size_t referenceWSIndex{0};
};
struct MinMax {
double min{std::numeric_limits<double>::max()};
double max{std::numeric_limits<double>::lowest()};
// Do not add noexcept to defaulted constructor here as this
// causes the constructor to be deleted in clang 6.0.0
// For more see:
// https://stackoverflow.com/questions/46866686/default-member-initializer-needed-within-definition-of-enclosing-class-outside
MinMax() = default;
MinMax(const double a, const double b) noexcept;
void testAndSet(const double a) noexcept;
void testAndSetMax(const double a) noexcept;
void testAndSetMin(const double a) noexcept;
};
const std::string name() const override;
int version() const override;
const std::string category() const override;
const std::string summary() const override;
private:
void init() override;
void exec() override;
std::map<std::string, std::string> validateInputs() override;
API::MatrixWorkspace_sptr
constructIvsLamWS(const API::MatrixWorkspace &detectorWS,
const Indexing::SpectrumIndexSet &indices,
const Angles &refAngles);
MinMax findWavelengthMinMax(const API::MatrixWorkspace &detectorWS,
const Indexing::SpectrumIndexSet &indices,
const Angles &refAngles);
void processValue(const int inputIdx, const MinMax &twoThetaRange,
const Angles &refAngles,
const HistogramData::BinEdges &edges,
const HistogramData::Counts &counts,
const HistogramData::CountStandardDeviations &stdDevs,
API::MatrixWorkspace &IvsLam, std::vector<double> &outputE);
MinMax projectedLambdaRange(const MinMax &wavelengthRange,
const MinMax &twoThetaRange,
const Angles &refAngles);
Angles referenceAngles(const API::SpectrumInfo &spectrumInfo);
API::MatrixWorkspace_sptr sumInQ(const API::MatrixWorkspace &detectorWS,
const Indexing::SpectrumIndexSet &indices);
};
} // namespace Reflectometry
} // namespace Mantid