[ROOT] Questions about Bar Charts

From: Colley, Tony (Tony.Colley@itt.com)
Date: Wed May 01 2002 - 23:59:18 MEST


When I draw a Bar Chart (I am using TH1 with draw option "bar2"), is there a
way to specify that the bars should be drawn from 0 (zero) rather than from
the minimum Y value. That is, I would like bins with positive values to be
drawn as bars extending from the X axis upwards, and bins with negative
values to be drawn as bars extending from the X axis downwards.

Also, is it intentional that combining "barX" (where X>0) with "P" or "C" or
"L" would cause the histogram to look like I used "bar0" -- that is, the
dark & light edges are not drawn, or are drawn with width=0 (which is
effectively the same thing)?

Thanks,
Tony

+------------------------------------------------+
| Tony Colley                ITT Industries A/CD |
| Modeling/Simulation Group  Fort Wayne, IN  USA |
+------------------------------------------------+
| Using ROOT 3.03/04 on RedHat Linux 7.2         |
| Last CVS update: 29 Apr 2002 at 13:23 GMT      |
+------------------------------------------------+
\I'm not responsible for anything below this line/

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