ScatterPlot

#include "toolkit/charts/scatter_plot.hpp"

A multi-series scatter plot with grid, legend, hover tooltips, and pan & zoom (see the charts overview). Inherits Widget.

macOS

Material

Windows 11

Windows 95

Plasma 6

GNOME

Data types

struct ScatterPoint { float x, y; std::string label; };
struct ScatterSeries { std::string name; Color color; float point_radius = 3.0f; std::vector<ScatterPoint> points; };

Example

auto chart = std::make_unique<toolkit::ScatterPlot>();
chart->add_series({"Samples", toolkit::Color::rgb(0.2f, 0.6f, 0.9f), 4.0f,
                    {{1.2f, 3.4f, ""}, {2.1f, 1.9f, ""}}});

Construction

ScatterPlot();

API

Member	Description
add_series(ScatterSeries) / clear_series() / series_count()	Manage data series
set_title(std::string)	Chart title
set_x_label(std::string) / set_y_label(std::string)	Axis labels
set_show_grid(bool) / set_show_legend(bool)	Toggle chrome

Callbacks

Callback	Description
on_hover — std::function<void(size_t series_idx, size_t point_idx)>	Fired as the pointer hovers a point