Re: [ROOT] THelix use in dispaly

From: Valeri Fine (fine@bnl.gov)
Date: Wed May 02 2001 - 22:37:56 MEST

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Hello Mike

read:

http://root.cern.ch/cgi-bin/print_hit_bold.pl/root/roottalk/roottalk00/3366.
html?THelix#first_hit

 STAR framework does provide the tool to draw helix.
  See:

http://duvall.star.bnl.gov/lxr/source/StRoot/StEventDisplayMaker/StHelix3DPo
ints.cxx?v=DEV00

  Hope this helps,  Valeri
----- Original Message -----
From: "Mike Miller" <miller@star.physics.yale.edu>
To: <roottalk@pcroot.cern.ch>
Sent: Tuesday, May 01, 2001 5:58 PM
Subject: [ROOT] THelix use in dispaly


> Hi, I have a simple ROOT viewer, based on TShapes and TNodes.  I define
> the global volume via a TBRIK that is passed to a TNode.  Then, within the
> current directory of that TNode, I make shapes, pass them in constructor
> calls to TNodes, and then draw.  This works very nicely.  However, if I
> want to use THelix, I see that I have to have a TGeometry() object
> existing.  If I do that, my TNodes dissapear from the canvas.  What's the
> best solution?  Thanks, Mike
>
> Michael L. Miller
> Yale Physics
> michael.miller@yale.edu
>
>

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