Apache POI Line Chart colors

Question

I am creating an Excel file with some statistics, also including line charts. I had succeed in creating charts and filling them with data. But I am not satisfied with defaul

Answer 1

It works for me. Groovy, PieChart, random colors.

def ctChart = chart.getCTChart()
def ctPieChart = ctChart.getPlotArea().addNewPieChart()
def ctPieSer = ctPieChart.addNewSer()

byte[] b = new byte[3];

(0 .. rows).each {
  random.nextBytes(b)
  def x = ctPieSer.addNewDPt()
  x.addNewIdx().setVal(it)
  x.addNewBubble3D().setVal(false)
  x.addNewSpPr().addNewSolidFill().addNewSrgbClr().setVal(b)
}