Golang ImageGraphicContext.SetStrokeColor Examples

Example #1

File: vis.go Project: jvlmdr/go-cv

func drawCell(feat *rimg64.Multi, i, j int, gc *draw2d.ImageGraphicContext, cell int) {
	u := (float64(i) + 0.5) * float64(cell)
	v := (float64(j) + 0.5) * float64(cell)
	r := float64(cell) / 2

	for k := 0; k < Orientations; k++ {
		x := feat.At(i, j, k)
		x = math.Max(x, 0)
		x = math.Min(x, 1)
		gc.SetStrokeColor(color.Gray{uint8(x*254 + 1)})
		theta := (0.5 + float64(k)/float64(Orientations)) * math.Pi
		drawOrientedLine(gc, u, v, theta, r)
	}
}