forked from alandefreitas/matplotplusplus
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathbars.cpp
More file actions
341 lines (292 loc) 路 9.98 KB
/
Copy pathbars.cpp
File metadata and controls
341 lines (292 loc) 路 9.98 KB
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
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
//
// Created by Alan Freitas on 11/07/20.
//
#include <cmath>
#include <sstream>
#include <matplot/util/common.h>
#include <matplot/core/axes.h>
#include <matplot/axes_objects/bars.h>
namespace matplot {
bars::bars(class axes* parent)
: axes_object(parent)
{}
bars::bars(class axes* parent, const std::vector<double>& y)
: bars(parent, std::vector<std::vector<double>>({y})) {}
bars::bars(class axes* parent, const std::vector<std::vector<double>>& Y)
: axes_object(parent), ys_(Y) {
if (parent_->children().empty()) {
parent_->x_axis().limits({0, double(ys_[0].size()+1)});
if (ys_[0].size() <= 15) {
parent_->x_axis().tick_values(iota(1,ys_[0].size()));
}
}
if (parent_->y_axis().limits_mode_auto()) {
double min_min = ys_[0][0];
for (size_t i = 0; i < ys_.size(); ++i) {
min_min = std::min(min_min, *std::min_element(ys_[i].begin(), ys_[i].end()));
}
if (min_min > 0) {
parent_->y_axis().limits({ymin(), inf});
}
}
parent_->x_axis().zero_axis(true);
}
bars::bars(class axes* parent, const std::vector<double>& x, const std::vector<double>& y)
: bars(parent, x, std::vector<std::vector<double>>({y})) {}
bars::bars(class axes* parent, const std::vector<double>& x, const std::vector<std::vector<double>>& Y)
: axes_object(parent), x_(x), ys_(Y) {
if (parent_->children().empty()) {
double min_x_diff = x_[1] - x_[0];
for (size_t i = 1; i < x_.size() - 1; ++i) {
double x_diff = x_[i+1] - x_[i];
if (x_diff < min_x_diff) {
min_x_diff = x_diff;
}
}
parent_->x_axis().limits({x.front() - min_x_diff, x.back() + min_x_diff});
if (ys_[0].size() <= 15) {
parent_->x_axis().tick_values(x);
}
}
if (parent_->y_axis().limits_mode_auto()) {
double min_min = ys_[0][0];
for (size_t i = 0; i < ys_.size(); ++i) {
min_min = std::min(min_min, *std::min_element(ys_[i].begin(), ys_[i].end()));
}
if (min_min > 0) {
parent_->y_axis().limits({ymin(), inf});
}
}
parent_->x_axis().zero_axis(true);
}
std::string bars::plot_string() {
maybe_update_face_colors();
std::string res;
for (size_t i = 0; i < ys_.size(); ++i) {
res += " '-' with boxes linewidth " + num2str(line_width_) + " fillstyle solid border rgb '" + to_string(edge_color_) + "'";
res += " fillcolor '" + to_string(face_colors_[i]) + "'";
if (i != ys_.size() - 1) {
res += ", ";
}
}
return res;
}
std::string bars::legend_string(const std::string& title) {
std::string res;
for (size_t i = 0; i < ys_.size(); ++i) {
res += " keyentry with boxes fillstyle solid border rgb '" + to_string(edge_color_) + "' fillcolor '" + to_string(face_colors_[i]) + "' title \"" + escape(title) + "\"";
if (i != ys_.size() - 1) {
res += ", ";
}
}
return res;
}
double bars::x_minimum_difference() {
double min_x_diff = 1.;
if (x_.size() > 1) {
min_x_diff = x_[1] - x_[0];
for (size_t i = 1; i < x_.size() - 1; ++i) {
double x_diff = x_[i+1] - x_[i];
if (x_diff < min_x_diff) {
min_x_diff = x_diff;
}
}
}
return min_x_diff;
}
double bars::cluster_width() {
// actual width of the cluster (clusters don't take all their space)
return range_for_cluster() * (ys_.size() == 1 ? 1.0 : cluster_width_);
}
double bars::range_for_cluster() {
double min_x_diff = x_minimum_difference();
const size_t n_bar_groups = ys_.size();
// space taken by the cluster in the x axis
return bar_width_ / n_bar_groups;
}
double bars::x_end_point(size_t cluster_index, size_t i) {
// get the x_value (automatic or manual)
double x_value = x_.size() > i ? x_[i] : i + 1;
// go to point where bar width starts
x_value -= bar_width_ / 2;
// advance according to the group index
x_value += range_for_cluster() * cluster_index;
// center
x_value += range_for_cluster() / 2;
return x_value;
}
std::string bars::data_string() {
std::stringstream ss;
double m = x_minimum_difference();
double cw = cluster_width();
for (size_t bar_group = 0; bar_group < ys_.size(); ++bar_group) {
for (size_t i = 0; i < ys_[bar_group].size(); ++i) {
// <box center> <box height> <box width>
ss << " " << x_end_point(bar_group, i) << " " << ys_[bar_group][i] << " " << m * cw << "\n";
}
ss << "e\n";
}
return ss.str();
}
bool bars::requires_colormap() {
return false;
}
double bars::xmax() {
if (!x_.empty()) {
return *std::max_element(x_.begin(), x_.end());
} else {
return ys_[0].size() + 1;
}
}
double bars::xmin() {
if (!x_.empty()) {
return *std::min_element(x_.begin(), x_.end());
} else {
return ys_[0].size() + 1;
}
}
double bars::ymax() {
double max_max = ys_[0][0];
for (size_t i = 0; i < ys_.size(); ++i) {
max_max = std::max(max_max, *std::max_element(ys_[i].begin(), ys_[i].end()));
}
return max_max;
}
double bars::ymin() {
double min_min = ys_[0][0];
for (size_t i = 0; i < ys_.size(); ++i) {
min_min = std::min(min_min, *std::min_element(ys_[i].begin(), ys_[i].end()));
}
return std::min(min_min, 0.);
}
enum axes_object::axes_category bars::axes_category() {
return axes_object::axes_category::two_dimensional;
}
void bars::maybe_update_face_colors() {
if (!manual_face_color_) {
face_colors_.clear();
for (size_t i = 0; i < ys_.size(); ++i) {
face_colors_.emplace_back(parent_->get_color_and_bump());
}
manual_face_color_ = true;
}
}
const color_array &bars::face_color() const {
return face_colors_[0];
}
class bars& bars::face_color(const color_array &face_color) {
face_colors_[0] = face_color;
manual_face_color_ = true;
touch();
return *this;
}
class bars& bars::face_color(const std::array<float,3> &face_color) {
color_array c = {0, face_color[0], face_color[1], face_color[2]};
face_colors_[0] = c;
manual_face_color_ = true;
touch();
return *this;
}
class bars& bars::face_color(std::initializer_list<float> color) {
if (color.size() == 3) {
face_color(to_array<3>(color));
} else {
face_color(to_array<4>(color));
}
return *this;
}
class bars& bars::face_color(const std::string &color) {
face_color(to_array(color));
return *this;
}
bool bars::manual_face_color() const {
return manual_face_color_;
}
class bars& bars::manual_face_color(bool manual_face_color) {
manual_face_color_ = manual_face_color;
touch();
return *this;
}
const color_array &bars::edge_color() const {
return edge_color_;
}
class bars& bars::edge_color(const color_array &edge_color) {
edge_color_ = edge_color;
touch();
return *this;
}
class bars& bars::edge_color(const std::array<float,3> &edge_color) {
color_array c = {0,edge_color[0], edge_color[1], edge_color[2]};
edge_color_ = c;
touch();
return *this;
}
class bars& bars::edge_color(std::initializer_list<float> color) {
if (color.size() == 3) {
edge_color(to_array<3>(color));
} else {
edge_color(to_array<4>(color));
}
return *this;
}
class bars& bars::edge_color(const std::string &color) {
edge_color(to_array(color));
return *this;
}
const line_spec &bars::edge_style() const {
return edge_style_;
}
class bars& bars::edge_style(const line_spec &edge_style) {
edge_style_ = edge_style;
touch();
return *this;
}
float bars::line_width() const {
return line_width_;
}
class bars& bars::line_width(float line_width) {
line_width_ = line_width;
touch();
return *this;
}
bool bars::vertical_orientation() const {
return vertical_orientation_;
}
class bars& bars::vertical_orientation(bool vertical_orientation) {
vertical_orientation_ = vertical_orientation;
if (!vertical_orientation_) {
std::cerr << "Cannot set horizontal orientation in gnuplot yet" << std::endl;
vertical_orientation_ = true;
}
return *this;
}
bool bars::visible() const {
return visible_;
}
class bars& bars::visible(bool visible) {
visible_ = visible;
touch();
return *this;
}
float bars::bar_width() const {
return bar_width_;
}
class bars& bars::bar_width(float bar_width) {
if (bar_width != bar_width_) {
bar_width_ = bar_width;
touch();
}
return *this;
}
const std::vector<color_array> &bars::face_colors() const {
return face_colors_;
}
std::vector<color_array> &bars::face_colors() {
return face_colors_;
}
class bars& bars::face_colors(const std::vector<color_array> &face_colors) {
face_colors_ = face_colors;
touch();
return *this;
}
}