Function CopyXYs

plot/data.go:150–166

CopyXYs returns an XYs that is a copy of the x and y values from an XYer, or an error if one of the data points contains a NaN or Infinity.

(data XYer)

// an XYer, or an error if one of the data points contains a NaN or
// Infinity.
func CopyXYs(data XYer) (XYs, error) {
	if data.Len() == 0 {
		return nil, ErrNoData
	}
	cpy := make(XYs, 0, data.Len())
	for i := range data.Len() {
		x, y := data.XY(i)
		if CheckNaNs(x, y) {
			continue
		}
		if err := CheckFloats(x, y); err != nil {
			return nil, err
		}
		cpy = append(cpy, math32.Vec2(x, y))
	}
	return cpy, nil
}

// PlotXYs returns plot coordinates for given set of XYs
func PlotXYs(plt *Plot, data XYs) XYs {