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gradients.C File Reference
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Detailed Description

This macro requires OpenGL, you can:

  1. call gStyle->SetCanvasPreferGL(kTRUE) before a canvas is created or
  2. set OpenGL.CanvasPreferGL to 1 in a $ROOTSYS/etc/system.rootrc.

Features:

  1. Radial and linear gradients
  2. Transparent/semitransparent colours.

Definition in file gradients.C.