Worlking of SetGraphColorAlpha()?

[Wile_E_Coyote]

TColor → Color transparency ;

Filling the area between two curves

See at the end of the transparency doc: The transparency is available on all platforms when the flag OpenGL.CanvasPreferGL is set to 1 in $ROOTSYS/etc/system.rootrc , or on Mac with the Cocoa backend. On the file output it is visible with PDF, PNG, Gif, JPEG, SVG, TeX … but not PostScript.

Color Intensity With Multigraphics

hello everyone, I’m plotting numbers of graphics with the same colour, I want to change just the transparency of the colour, like the attached screen below. how can I do It ? [image]