blob: 07a2b9599fba5884414d5c9a367e0472789df4d4 (
plain) (
blame)
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
|
/* Copyright 2019-2020 Yinjian Zhao
*
* This file is part of WarpX.
*
* License: BSD-3-Clause-LBNL
*/
#ifndef WARPX_DIAGNOSTICS_REDUCEDDIAGS_PARTICLEHISTOGRAM_H_
#define WARPX_DIAGNOSTICS_REDUCEDDIAGS_PARTICLEHISTOGRAM_H_
#include "ReducedDiags.H"
#include <AMReX_Parser.H>
#include <AMReX_REAL.H>
#include <memory>
#include <string>
/**
* Reduced diagnostics that computes a histogram over particles
* for a quantity specified by the user in the input file using the parser.
*/
class ParticleHistogram : public ReducedDiags
{
public:
/**
* constructor
* @param[in] rd_name reduced diags names
*/
ParticleHistogram(std::string rd_name);
/// normalization type
int m_norm;
/// number of bins
int m_bin_num;
/// selected species index
int m_selected_species_id = -1;
/// max and min bin values
amrex::Real m_bin_max;
amrex::Real m_bin_min;
/// bin size
amrex::Real m_bin_size;
/// Parser to read expression for particle quantity from the input file.
/// 7 elements are t, x, y, z, ux, uy, uz
static constexpr int m_nvars = 7;
std::unique_ptr<amrex::Parser> m_parser;
/// Optional parser to filter particles before doing the histogram
std::unique_ptr<amrex::Parser> m_parser_filter;
/// Whether the filter is activated
bool m_do_parser_filter = false;
/**
* This function computes a histogram of user defined quantity.
*
* @param[in] step current time step
*/
virtual void ComputeDiags(int step) override final;
};
#endif
|
