Re: [ROOT] Superimpose histograms

From: Thomas Bretz (tbretz@astro.uni-wuerzburg.de)
Date: Mon Sep 13 2004 - 15:06:03 MEST


Hi Rene,

I don't want to copy the histogramm... Where can I find information 
about 'transparent pads'?

Thomas.

Rene Brun wrote:
> Hi Thomas,
> 
> Use DrawCopy or transparent pads
> 
> Rene Brun
> 
> On Mon, 13 Sep 2004, Thomas Bretz wrote:
> 
> 
>>Hi,
>>
>>I had a look at
>>http://root.cern.ch/root/html/examples/twoscales.C.html
>>
>>but this solution has a problem. I'm superimposing two histograms, but 
>>therefor I have to change the units of one of the histograms (Scale()). 
>>But I still want to use the histogram afterwards.
>>
>>The problem is, that my program looks like this:
>>0) Fill Data into histograms
>>1) Draw histogram1
>>2) Superimpose histogram2
>>3) Do something with the histogram...
>>4) goto 0)
>>
>>But this doen't easily allow changing the scale of the histogram. 
>>Another solution would be to draw a copy of the contents of the 
>>histogram, but this takes a lot of time which I don't have...
>>
>>Is ther e any other solution?
>>
>>Thomas.
>>
> 
> 



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