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#ifndef PLOT2DPOINTSET_H
#define PLOT2DPOINTSET_H
#include <algorithm>
#include <limits>
#include <string>
#include <vector>
class XYPointSet {
public:
explicit XYPointSet(size_t colorIndex) : color_index_(colorIndex) {}
enum DrawingStyle { DrawLines, DrawPoints, DrawColumns };
void SetLabel(const std::string& label) { label_ = label; }
const std::string& Label() const { return label_; }
const std::string XUnits() const { return x_desc_; }
const std::string YUnits() const { return y_desc_; }
bool UseSecondXAxis() const { return use_second_x_axis_; }
void SetUseSecondXAxis(bool use_second_x_axis) {
use_second_x_axis_ = use_second_x_axis;
}
bool UseSecondYAxis() const { return use_second_y_axis_; }
void SetUseSecondYAxis(bool use_second_y_axis) {
use_second_y_axis_ = use_second_y_axis;
}
const std::string& XDesc() const { return x_desc_; }
void SetXDesc(std::string xDesc) { x_desc_ = xDesc; }
const std::string& YDesc() const { return y_desc_; }
void SetYDesc(std::string yDesc) { y_desc_ = yDesc; }
DrawingStyle GetDrawingStyle() const { return drawing_style_; }
void SetDrawingStyle(enum DrawingStyle drawingStyle) {
drawing_style_ = drawingStyle;
}
void Clear() { points_.clear(); }
void PushDataPoint(double x, double y) {
if (std::isfinite(x)) points_.emplace_back(x, y);
}
double GetX(size_t index) const { return points_[index].x; }
double GetY(size_t index) const { return points_[index].y; }
size_t Size() const { return points_.size(); }
double MaxX() const {
if (points_.empty()) return std::numeric_limits<double>::quiet_NaN();
double max = std::numeric_limits<double>::quiet_NaN();
for (const Point2D& p : points_) {
if (std::isfinite(p.x) && (p.x > max || !std::isfinite(max))) {
max = p.x;
}
}
return max;
}
double MinX() const {
if (points_.empty()) return std::numeric_limits<double>::quiet_NaN();
double min = std::numeric_limits<double>::quiet_NaN();
for (const Point2D& p : points_) {
if (std::isfinite(p.x) && (p.x < min || !std::isfinite(min))) {
min = p.x;
}
}
return min;
}
double MaxY() const {
if (points_.empty()) return std::numeric_limits<double>::quiet_NaN();
double max = std::numeric_limits<double>::quiet_NaN();
for (const Point2D& p : points_) {
if (std::isfinite(p.y) && (p.y > max || !std::isfinite(max))) {
max = p.y;
}
}
return max;
}
double MaxPositiveY() const {
double max = 0.0;
for (const Point2D& p : points_) {
if (std::isfinite(p.y) && p.y > max) max = p.y;
}
if (max == 0.0)
return std::numeric_limits<double>::quiet_NaN();
else
return max;
}
double MinY() const {
if (points_.empty()) return std::numeric_limits<double>::quiet_NaN();
double min = std::numeric_limits<double>::quiet_NaN();
for (const Point2D& p : points_) {
if (std::isfinite(p.y) && (p.y < min || !std::isfinite(min))) {
min = p.y;
}
}
return min;
}
double MinPositiveY() const {
bool hasValue = false;
double min = 0.0;
// Find lowest positive element
for (const Point2D& p : points_) {
if (std::isfinite(p.y) && p.y > 0.0 && (p.y < min || !hasValue)) {
min = p.y;
hasValue = true;
}
}
if (!hasValue)
return std::numeric_limits<double>::quiet_NaN();
else
return min;
}
void Sort() { std::sort(points_.begin(), points_.end()); }
double XRangeMin() const {
if (points_.empty())
return 0.0;
else
return points_.begin()->x;
}
double XRangePositiveMin() const {
if (points_.empty()) {
return 1.0;
} else {
std::vector<Point2D>::const_iterator iter =
std::upper_bound(points_.begin(), points_.end(), Point2D(0.0, 0.0));
if (iter == points_.end() || iter->x < 0.0 || !std::isfinite(iter->x))
return 1.0;
else
return iter->x;
}
}
double XRangeMax() const {
if (points_.empty())
return 1.0;
else
return points_.rbegin()->x;
}
double XRangePositiveMax() const {
if (points_.empty())
return 1.0;
else if (points_.rbegin()->x < 0.0 || !std::isfinite(points_.rbegin()->x))
return 1.0;
else
return points_.rbegin()->x;
}
double YRangeMin() const { return MinY(); }
double YRangePositiveMin() const { return MinPositiveY(); }
double YRangeMax() const { return MaxY(); }
double YRangePositiveMax() const { return MaxPositiveY(); }
struct Color {
Color(double r_, double g_, double b_, double a_)
: r(r_), g(g_), b(b_), a(a_) {}
double r, g, b, a;
};
Color GetColor() const {
switch (color_index_ % 12) {
default:
case 0:
return Color(1, 0, 0, 1);
case 1:
return Color(0, 1, 0, 1);
case 2:
return Color(0, 0, 1, 1);
case 3:
return Color(0, 0, 0, 1);
case 4:
return Color(1, 1, 0, 1);
case 5:
return Color(1, 0, 1, 1);
case 6:
return Color(0, 1, 1, 1);
case 7:
return Color(0.5, 0.5, 0.5, 1);
case 8:
return Color(1.0, 0.5, 0.0, 1);
case 9:
return Color(0.8, 0.3, 0.8, 1);
case 10:
return Color(0.15, 0.5, 0.15, 1);
case 11:
return Color(1, 1, 0.4, 1);
}
}
private:
struct Point2D {
Point2D(double _x, double _y) : x(_x), y(_y) {}
double x, y;
bool operator<(const Point2D& other) const {
if (!std::isfinite(x))
return false;
else if (!std::isfinite(other.x))
return true;
else if (std::isnormal(x) && std::isnormal(other.x))
return x < other.x;
else if (!std::isnormal(x) && !std::isnormal(other.x))
return false;
else if (!std::isnormal(x))
return 0 < other.x;
else
return other.x < 0;
}
};
std::vector<Point2D> points_;
std::string label_;
std::string x_desc_;
std::string y_desc_;
DrawingStyle drawing_style_ = DrawLines;
size_t color_index_ = 0;
bool use_second_x_axis_ = false;
bool use_second_y_axis_ = false;
};
#endif
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