[ROOT] "col" or "colz" in 2D histogram in 4.00.02 (Correction)

From: Woon-Seng Choong (wschoong@lbl.gov)
Date: Tue Mar 02 2004 - 23:02:23 MET 

   I made a typo in my previous email.  Here is the correct version. 
Olivier just helped me to define more grayscale color. But when I draw 
an image using 2D-histogram using the "col" or colz" option, bin with 
zero content shows up as white (black being low count and white being 
high count).  It looks correct with "surf/color" draw option.  In 
addition, even in the DeepSea palette, bin with zero content still 
shows up as white. My guess is no color is assigned to bin with zero 
content. Is this a bug?

	Seng

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