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//
// Created by Alan Freitas on 09/07/20.
//
#include <sstream>
#include <matplot/util/common.h>
#include <matplot/axes_objects/error_bar.h>
#include <matplot/core/axes.h>
namespace matplot {
error_bar::error_bar(class axes* parent)
: line(parent) {}
error_bar::error_bar(class axes* parent, const std::vector<double> &x, const std::vector<double> &y, const std::vector<double> &y_neg_delta, const std::vector<double> &y_pos_delta, const std::vector<double> &x_neg_delta, const std::vector<double> &x_pos_delta, const std::string& line_spec)
: line(parent, x, y, line_spec),
y_negative_delta_(y_neg_delta),
y_positive_delta_(y_pos_delta),
x_negative_delta_(x_neg_delta),
x_positive_delta_(x_pos_delta) {}
error_bar::error_bar(class axes* parent, const std::vector<double>& x, const std::vector<double>& y, const std::vector<double>& error, error_bar::type type, const std::string& line_spec)
: line(parent, x, y, line_spec),
y_negative_delta_(type != error_bar::type::horizontal ? error : std::vector<double>({})),
y_positive_delta_(type != error_bar::type::horizontal ? error : std::vector<double>({})),
x_negative_delta_(type != error_bar::type::vertical ? error : std::vector<double>({})),
x_positive_delta_(type != error_bar::type::vertical ? error : std::vector<double>({})) {}
std::string error_bar::plot_string() {
// plot errorbar behind the line
std::string res;
const bool has_y_bar = !y_negative_delta_.empty();
const bool has_x_bar = !x_negative_delta_.empty();
const bool has_xy_bar = has_y_bar && has_x_bar;
if (has_xy_bar) {
res += "'-' with xyerrorbars linecolor rgb \"" + to_string(line_spec_.color()) + "\" pointsize 0";
} else if (has_y_bar) {
// filled curve error bar is only relevant in yerrorbars
if (!filled_curve_) {
res += "'-' with yerrorbars linecolor rgb \"" + to_string(line_spec_.color()) + "\" pointsize 0";
} else {
color_array c = line_spec_.color();
c[0] = filled_curve_alpha_;
res += "'-' with filledcurve linecolor rgb \"" + to_string(c) + "\"";
}
} else if (has_x_bar) {
res += "'-' with xerrorbars linecolor rgb \"" + to_string(line_spec_.color()) + "\" pointsize 0";
}
// plot line over the errorbar
res += ", " + line::plot_string();
return res;
}
enum axes_object::axes_category error_bar::axes_category() {
// errorbar is always 2d
return axes_object::axes_category::two_dimensional;
}
std::string error_bar::data_string() {
// send data once more for the bar
const bool has_y_bar = !y_negative_delta_.empty();
const bool has_x_bar = !x_negative_delta_.empty();
const bool has_xy_bar = has_y_bar && has_x_bar;
std::stringstream ss;
if (has_xy_bar) {
for (size_t i = 0; i < y_data_.size(); ++i) {
ss << " " << x_data_[i] << " " << y_data_[i] << " " << x_data_[i]-x_negative_delta_[i] << " " << x_data_[i]+x_positive_delta_[i] << " " << y_data_[i]-y_negative_delta_[i] << " " << y_data_[i]+y_positive_delta_[i] << "\n";
}
ss << " e\n";
} else if (has_x_bar) {
for (size_t i = 0; i < y_data_.size(); ++i) {
ss << " " << x_data_[i] << " " << y_data_[i] << " " << x_data_[i]-x_negative_delta_[i] << " " << x_data_[i]+x_positive_delta_[i] << "\n";
}
ss << " e\n";
} else if (has_y_bar) {
if (!filled_curve_) {
for (size_t i = 0; i < y_data_.size(); ++i) {
ss << " " << x_data_[i] << " " << y_data_[i] << " " << y_data_[i]-y_negative_delta_[i] << " " << y_data_[i]+y_positive_delta_[i] << "\n";
}
ss << " e\n";
} else {
for (size_t i = 0; i < y_data_.size(); ++i) {
ss << " " << x_data_[i] << " " << y_data_[i]+y_positive_delta_[i] << " " << y_data_[i]-y_negative_delta_[i] << "\n";
}
ss << " e\n";
}
}
// send data for foreground line as usual
ss << line::data_string();
return ss.str();
}
bool error_bar::requires_colormap() {
return line::requires_colormap();
}
std::string error_bar::set_variables_string() {
// set bars {small | large | fullwidth | <size>}
// unset bars
// show bars
std::string res = line::set_variables_string();
if (cap_size_/3. != 1.) {
res += "set bars " + num2str(cap_size_/3.) + "\n";
}
return res;
}
std::string error_bar::unset_variables_string() {
std::string res = line::unset_variables_string();
if (cap_size_/3. != 1.) {
res += "unset bars\n";
}
return res;
}
bool error_bar::filled_curve() const {
return filled_curve_;
}
class error_bar& error_bar::filled_curve(bool filled_curve) {
filled_curve_ = filled_curve;
touch();
return *this;
}
const std::vector<double> &error_bar::x_negative_delta() const {
return x_negative_delta_;
}
class error_bar& error_bar::x_negative_delta(const std::vector<double> &x_negative_delta) {
x_negative_delta_ = x_negative_delta;
touch();
return *this;
}
const std::vector<double> &error_bar::x_positive_delta() const {
return x_positive_delta_;
}
class error_bar& error_bar::x_positive_delta(const std::vector<double> &x_positive_delta) {
x_positive_delta_ = x_positive_delta;
touch();
return *this;
}
const std::vector<double> &error_bar::y_negative_delta() const {
return y_negative_delta_;
}
class error_bar& error_bar::y_negative_delta(const std::vector<double> &y_negative_delta) {
y_negative_delta_ = y_negative_delta;
touch();
return *this;
}
const std::vector<double> &error_bar::y_positive_delta() const {
return y_positive_delta_;
}
class error_bar& error_bar::y_positive_delta(const std::vector<double> &y_positive_delta) {
y_positive_delta_ = y_positive_delta;
touch();
return *this;
}
float error_bar::filled_curve_alpha() const {
return filled_curve_alpha_;
}
class error_bar& error_bar::filled_curve_alpha(float filled_curve_alpha) {
filled_curve_alpha_ = filled_curve_alpha;
touch();
return *this;
}
float error_bar::cap_size() const {
return cap_size_;
}
class error_bar& error_bar::cap_size(float cap_size) {
cap_size_ = cap_size;
touch();
return *this;
}
}