How to change colorbar

hurricane1127 · February 23, 2023, 1:41am

Hi, rooters

How to change the colorbar option, such as the color, to make my picture become more clear and more distinguishable.

My picture is TH2D, and the draw option is SURF3 and COLZ,
And I also tried LEGO2, the same results.

Best regrads

dastudillo · February 23, 2023, 4:38am

You can define your own palette or use a predefined palette, check and scroll down here:
https://root.cern/doc/master/classTColor.html#C05

hurricane1127 · February 23, 2023, 6:59am

Thanks dastudillo.Very instructive advice

couet · February 23, 2023, 7:15am

hurricane1127 · February 23, 2023, 7:19am

Thanks couet.

Wile_E_Coyote · February 23, 2023, 7:56am

The first thing I would try: gPad->SetLogz(1);

couet · February 23, 2023, 8:14am

Yes, the blog post I posted suggest settting Log scale on Z.