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root:setaxisrange [2011/05/11 15:35] – added solution for my latest problem nchiap | root:setaxisrange [2014/03/11 10:20] (current) – [X Axis of TGraph] add missing call to GetXaxis nchiap | ||
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===== Y Axis of a normalized Histogram ===== | ===== Y Axis of a normalized Histogram ===== | ||
- | Assume you have a histogram which has been normalized it with **hist-> | + | Assume you have a histogram which has been normalized it with |
- | When your Y-axis will show values between 0 and 1. | + | <code c++> |
- | Trying to set the Y range using these values, eg. **SetRangeUser(0.01, | + | hist-> |
+ | </ | ||
+ | Your Y-axis will show values between 0 and 1. | ||
+ | Trying to set the Y range using these values, eg. | ||
+ | <code c++>SetRangeUser(0.01, | ||
+ | will fail however. | ||
You still need to give the range in the original unnormalized units. | You still need to give the range in the original unnormalized units. | ||
Line 18: | Line 23: | ||
hist-> | hist-> | ||
</ | </ | ||
+ | |||
+ | ===== Y Axis of a THStack ===== | ||
+ | Do not try to '' | ||
+ | Instead use the following code: | ||
+ | <code c++> | ||
+ | THStack *hs = new THStack(" | ||
+ | hs-> | ||
+ | hs-> | ||
+ | </ | ||
+ | |||
===== X Axis of TGraph ===== | ===== X Axis of TGraph ===== | ||
Line 27: | Line 42: | ||
TGraph* myGraph = new TGraph(); | TGraph* myGraph = new TGraph(); | ||
... | ... | ||
- | myGraph-> | + | myGraph-> |
</ | </ | ||