-
Notifications
You must be signed in to change notification settings - Fork 0
/
mtf_plot.cpp
300 lines (249 loc) · 8.67 KB
/
mtf_plot.cpp
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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
// This is a wrapper around gnuplot that intercepts allows the user to input
// SimulationConfig files and will compute MTF curves.
//
// For a simulation file, you can give the following options in the plot command
// in addition to previous gnuplot options:
//
// "simulation_id"/"s" Gives the simulation id to plot within the file
// "orientation"/"o" The orientation of the aperture [degrees]
//
// Author: Philip Salvaggio
#include "mats.h"
#include "io/shell.h"
#include <csignal>
#include <iostream>
#include <thread>
#include <queue>
#include <unistd.h>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
using namespace cv;
using namespace std;
static Gnuplot gp;
void Plot(const string& command);
bool ProcessLine(const string& line);
void ProcessPipedInput();
class MtfPlotDelegate {
public:
void ProcessCommand(const vector<string>& command_parts) {
string cmd = mats::implode(command_parts, " ");
ProcessLine(cmd);
}
};
int main() {
// Determine whether input is redirected or from the keyboard
bool from_keyboard = isatty(STDIN_FILENO);
// Set default plot setup
gp << "set xlabel \"Spatial Frequency [cyc / pixel]\"\n"
<< "set ylabel \"MTF\"\n"
<< "set xrange [0:0.5]\n"
<< "set yrange [0:1]\n"
<< "set style fill solid 0.5\n";
if (!from_keyboard) {
ProcessPipedInput();
return 0;
}
cout << endl;
cout << " M T F P L O T" << endl
<< " A gnuplot wrapper for the MATS project" << endl
<< endl
<< " All non-plot statements use gnuplot syntax." << endl << endl
<< " When plotting a MATS config file, use \"s\"/"
<< "\"simulation_id\" to specify" << endl
<< " the simulation in the file and \"o\"/\"orientation\" to "
<< "to specify the" << endl
<< " orientation of the profile." << endl << endl
<< " Do not give titles to config file plots." << endl;
unique_ptr<MtfPlotDelegate> delegate(new MtfPlotDelegate);
mats_io::Shell<MtfPlotDelegate> shell(move(delegate));
shell.SetPrompt("mtfplot> ");
shell.execute();
return 0;
}
bool ProcessLine(const string& line) {
// If it's a plot command, we need to intercept it, otherwise,
// just pass it on to gnuplot.
if (mats::starts_with(line, "plot")) {
Plot(line);
} else if (line == "exit") {
return false;
} else {
gp << line << "\n" << endl;
}
return true;
}
void ProcessPipedInput() {
string line;
while (getline(cin, line)) {
if (!ProcessLine(line)) break;
}
gp << endl;
}
bool PlotConfigFile(const std::string& file,
list<string>& args,
vector<string>* plot_cmds);
bool PlotDataFile(const string& file,
list<string>& args,
vector<string>* plot_cmds);
void Plot(const string& command) {
vector<string> plot_clauses;
mats::explode(command.substr(5), ',', &plot_clauses);
vector<string> plot_cmds;
for (auto& plot_clause : plot_clauses) {
vector<string> tokens;
mats::explode(mats::trim(plot_clause), "[\\s]+", &tokens);
if (!(mats::starts_with(tokens[0], "\"") &&
mats::ends_with(tokens[0], "\""))) {
cerr << "Error: Data files must be in qoutes." << endl;
plot_cmds.clear();
break;
}
string data_file = mats::ResolvePath(
tokens[0].substr(1, tokens[0].size() - 2));
if (!mats::file_exists(data_file)) {
cerr << "Error: \"" << data_file << "\" does not exist." << endl;
plot_cmds.clear();
break;
}
list<string> args(begin(tokens) + 1, end(tokens));
if (!PlotConfigFile(data_file, args, &plot_cmds)) {
PlotDataFile(data_file, args, &plot_cmds);
}
}
if (plot_cmds.empty()) return;
gp << "plot ";
for (size_t i = 0; i < plot_cmds.size(); i++) {
if (i != 0) gp << ",";
gp << plot_cmds[i];
}
gp << "\n" << endl;
}
void GetMtfProfile(const mats::SimulationConfig& sim_config,
int sim_index,
const mats::DetectorParameters& det_params,
const vector<double>& wavelengths,
const vector<double>& spectral_weighting,
double orientation,
string* plot_cmd) {
// Create the telescope.
mats::Telescope telescope(sim_config, sim_index, det_params);
telescope.detector()->set_rows(512);
telescope.detector()->set_cols(512);
telescope.set_include_detector_footprint(true);
vector<vector<double>> nonmod_data;
mats_io::TextFileReader::Parse("/Users/philipsalvaggio/Documents/Thesis/Results/slant_edge_study/control/nonmodeled_mtf_fit.txt", &nonmod_data);
telescope.set_nonmodeled_mtf(nonmod_data[1]);
// Compute the theoretical 2D OTF of the telescope.
Mat_<complex<double>> theoretical_otf;
telescope.EffectiveOtf(wavelengths, spectral_weighting, 0, 0,
&theoretical_otf);
Mat_<double> theoretical_2d_mtf = magnitude(theoretical_otf);
vector<double> mtf_vals;
GetRadialProfile(FFTShift(theoretical_2d_mtf),
orientation * M_PI / 180,
&mtf_vals);
vector<pair<double, double>> mtf;
for (size_t i = 0; i < mtf_vals.size(); i++) {
mtf.emplace_back(i / (2. * (mtf_vals.size() - 1)), mtf_vals[i]);
}
string title;
if (sim_config.simulation(sim_index).has_name()) {
title = sim_config.simulation(sim_index).name();
} else {
title = mats::StringPrintf("Simulation %d",
sim_config.simulation(sim_index).simulation_id());
}
// Plot the MTfs
stringstream ss;
ss << gp.file1d(mtf) << "w l ";
*plot_cmd = ss.str();
}
bool PlotConfigFile(const std::string& file,
list<string>& args,
vector<string>* plot_cmds) {
// Initialize the model
mats::SimulationConfig sim_config;
mats::DetectorParameters det_params;
if (!mats::MatsInit(file, &sim_config, &det_params)) return false;
// Set up the spectral resolution of the simulation
vector<vector<double>> raw_weighting;
if (sim_config.has_spectral_weighting_filename()) {
mats_io::TextFileReader::Parse(
sim_config.spectral_weighting_filename(),
&raw_weighting);
} else {
raw_weighting.emplace_back(1, sim_config.reference_wavelength());
raw_weighting.emplace_back(1, 1);
}
const vector<double>& wavelengths(raw_weighting[0]);
const vector<double>& spectral_weighting(raw_weighting[1]);
// Parse arguments
int sim_id = -1, sim_index = -1;
double orientation = 0;
for (auto it = begin(args); it != prev(end(args)) && it != end(args); ++it) {
if (*it == "sid" || *it == "simulation_id") {
sim_id = atoi(next(it)->c_str());
it = args.erase(it);
it = args.erase(it);
}
if (*it == "o" || *it == "orientation") {
orientation = atof(next(it)->c_str());
it = args.erase(it);
it = args.erase(it);
}
}
// Locate the simulation ID
for (int i = 0; i < sim_config.simulation_size(); i++) {
if (sim_config.simulation(i).simulation_id() == sim_id) {
sim_index = i;
break;
}
}
int lower = (sim_index == -1) ? 0 : sim_index;
int upper = (sim_index == -1) ? sim_config.simulation_size() : sim_index + 1;
for (int i = lower; i < upper; i++) {
string plot_cmd;
GetMtfProfile(sim_config, i, det_params,
wavelengths, spectral_weighting, orientation,
&plot_cmd);
string title = mats::StringPrintf("%s Simulation %d",
mats::Basename(file).c_str(), i);
if (sim_config.simulation(i).has_name()) {
title = sim_config.simulation(i).name();
}
stringstream ss;
ss << plot_cmd << " t \"" << title << "\"";
for (const auto& token : args) {
ss << token << " ";
}
plot_cmds->push_back(ss.str());
}
return true;
}
bool PlotDataFile(const string& file,
list<string>& args,
vector<string>* plot_cmds) {
vector<vector<double>> raw_mtf_data;
if (!mats_io::TextFileReader::Parse(file, &raw_mtf_data)) return false;
vector<pair<double, double>> mtf_data;
for (size_t i = 0; i < raw_mtf_data[0].size(); i++) {
mtf_data.emplace_back(raw_mtf_data[0][i], raw_mtf_data[1][i]);
}
if (raw_mtf_data.size() >= 5) {
vector<tuple<double, double, double>> mtf_bounds;
for (size_t i = 0; i < raw_mtf_data[0].size(); i++) {
mtf_bounds.emplace_back(raw_mtf_data[0][i], raw_mtf_data[3][i],
raw_mtf_data[4][i]);
}
stringstream ss;
ss << gp.file1d(mtf_bounds) << "u 1:2:3 w filledcurves notitle";
plot_cmds->push_back(ss.str());
}
stringstream ss;
ss << gp.file1d(mtf_data) << "w l ";
for (const auto& token : args) {
ss << token << " ";
}
plot_cmds->push_back(ss.str());
return true;
}