Re: removal of points from TGraph

From: Roger Mason <rmason_at_esd.mun.ca>
Date: Fri, 02 Feb 2007 13:30:31 -0330


Oliver, Rene,

Rene Brun <Rene.Brun_at_cern.ch> writes:

> Roger Mason wrote:

>> Hello,
>>
>> When I plot data using a TGraph I see that it is possible to remove
>> points by right-clicking the mouse and selecting the appropriate
>> option from the pop-up menu.
>>
>> Does this delete those points from the underlying x,y arrays of the
>> TGraph, or just from the display? I need to know if the "removed"
>> points would be used in a subsequent fit of the data.
>>
> The points are removed from the internal arrays

>> If removal does not edit the underlying arrays, then is there a method
>> by which I _can edit those arrays (preferably some graphical method)?
>>

> The fit methods will not use the points that have been removed

That is good news. Thanks.

Roger Received on Fri Feb 02 2007 - 18:10:24 CET

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