// Draw the plotinum logo.
func Example_logo() *plot.Plot {
p, err := plot.New()
if err != nil {
panic(err)
}
plotter.DefaultLineStyle.Width = vg.Points(1)
plotter.DefaultGlyphStyle.Radius = vg.Points(3)
p.Y.Tick.Marker = plot.ConstantTicks([]plot.Tick{
{0, "0"}, {0.25, ""}, {0.5, "0.5"}, {0.75, ""}, {1, "1"},
})
p.X.Tick.Marker = plot.ConstantTicks([]plot.Tick{
{0, "0"}, {0.25, ""}, {0.5, "0.5"}, {0.75, ""}, {1, "1"},
})
pts := plotter.XYs{{0, 0}, {0, 1}, {0.5, 1}, {0.5, 0.6}, {0, 0.6}}
line := must(plotter.NewLine(pts)).(*plotter.Line)
scatter := must(plotter.NewScatter(pts)).(*plotter.Scatter)
p.Add(line, scatter)
pts = plotter.XYs{{1, 0}, {0.75, 0}, {0.75, 0.75}}
line = must(plotter.NewLine(pts)).(*plotter.Line)
scatter = must(plotter.NewScatter(pts)).(*plotter.Scatter)
p.Add(line, scatter)
pts = plotter.XYs{{0.5, 0.5}, {1, 0.5}}
line = must(plotter.NewLine(pts)).(*plotter.Line)
scatter = must(plotter.NewScatter(pts)).(*plotter.Scatter)
p.Add(line, scatter)
return p
}
// Draw the plot logo.
func Example() {
p, err := plot.New()
if err != nil {
log.Panic(err)
}
DefaultLineStyle.Width = vg.Points(1)
DefaultGlyphStyle.Radius = vg.Points(3)
p.Y.Tick.Marker = plot.ConstantTicks([]plot.Tick{
{0, "0"}, {0.25, ""}, {0.5, "0.5"}, {0.75, ""}, {1, "1"},
})
p.X.Tick.Marker = plot.ConstantTicks([]plot.Tick{
{0, "0"}, {0.25, ""}, {0.5, "0.5"}, {0.75, ""}, {1, "1"},
})
pts := XYs{{0, 0}, {0, 1}, {0.5, 1}, {0.5, 0.6}, {0, 0.6}}
line, err := NewLine(pts)
if err != nil {
log.Panic(err)
}
scatter, err := NewScatter(pts)
if err != nil {
log.Panic(err)
}
p.Add(line, scatter)
pts = XYs{{1, 0}, {0.75, 0}, {0.75, 0.75}}
line, err = NewLine(pts)
if err != nil {
log.Panic(err)
}
scatter, err = NewScatter(pts)
if err != nil {
log.Panic(err)
}
p.Add(line, scatter)
pts = XYs{{0.5, 0.5}, {1, 0.5}}
line, err = NewLine(pts)
if err != nil {
log.Panic(err)
}
scatter, err = NewScatter(pts)
if err != nil {
log.Panic(err)
}
p.Add(line, scatter)
err = p.Save(100, 100, "testdata/plotLogo.png")
if err != nil {
log.Panic(err)
}
}