Just removed the experimental stuff for drawing to screen, or at least

put it in its own branch for playing with later.

pi.go

@@ -166,10 +166,5 @@ func main() {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(exitFailure)
 	}
-	if err := scrnPlt(pi, stdErr); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(exitFailure)
-	}
-		
 	os.Exit(exitSuccess)
 }

screenplot.go

-// For fun.. Plot to the screen
-
-package main
-
-import (
-	"fmt"
-	"github.com/gizak/termui/v3/drawille"
-	ui "github.com/gizak/termui/v3"
-	"github.com/gizak/termui/v3/widgets"
-	"image"
-)
-
-func breaker(x interface{}) {}
-func scrnPlt(pi, stdErr []float32) error {
-	ui.Theme.Plot.Axes = ui.ColorBlack
-	thm := ui.Theme
-	thm.Default = ui.NewStyle(ui.ColorBlack, ui.ColorWhite, ui.ModifierReverse)
-	thm.Default.Fg = ui.ColorBlack
-	thm.Default.Bg = ui.ColorWhite
-	thm.Plot.Lines = []ui.Color{ui.ColorBlack}
-	thm.Paragraph.Text = ui.NewStyle(ui.ColorBlack, ui.ColorWhite)
-	ui.Theme = thm
-	ptxt := widgets.NewParagraph()
-
-	ptxt.Text = "Hello World!"
-	ptxt.SetRect(0, 0, 25, 5)
-
-	p1 := widgets.NewPlot()
-
-	p1.Title = "π"
-	{
-		data := make([][]float64, 2)
-		data[0] = make([]float64, len(pi))
-		data[1] = make([]float64, len(pi))
-		for i := range pi {
-			data[0][i] = float64(i + 1)
-			data[1][i] = float64(pi[i])
-		}
-		p1.Data = data
-	}
-	breaker(thm)
-	p1.SetRect(5, 5, 80, 80)
-	p1.AxesColor = ui.ColorBlack
-	p1.LineColors = []ui.Color{ui.ColorRed}
-
-	p1.Marker = widgets.MarkerBraille
-	p1.PlotType = widgets.ScatterPlot
-	//  next: syntax OK, just doesn't work
-	r := image.Rectangle(image.Rect(0, 0, 100, 100))
-	buf := ui.NewBuffer(r)
-
-	cell := drawille.Cell{Color:7}
-	fmt.Println (cell)
-//	buf.Fill(cell, r)
-	p1.Block.Draw(buf)
-
-	if err := ui.Init(); err != nil {
-		return fmt.Errorf("failed to initialize termui: %w", err)
-	}
-	defer ui.Close()
-
-	ui.Render(p1, ptxt)
-	for e := range ui.PollEvents() {
-		if e.Type == ui.KeyboardEvent {
-			break
-		}
-	}
-	return nil
-}