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[½»Á÷] ¡¾ÇóÖú¡¿ÇëÎÊÓлáʹÓÃROOTÈí¼þµÄÂð?

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xia_chong

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I have found the answers from GOOGLE.
for example, if we want to know the x-component of the 2D XY histogram, we can use the following sentences.

TH1F *pX = histo_XY ->ProjectionX("pX", Ybin1, Ybin2);//Ybin1, Ybin2 means the integrating range from Ybin1 to Ybin2.

Refer to the webpage:
http://www.slac.stanford.edu/BFR ... stograms-intro.html
Godhelpsthosewhohelpthemselves!
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