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Drawing set of circles, coordinate system and straight lines on same picture/canvas


#1

Hi there. I need help.

I need to draw some picture by ROOT tools. But I don’t know how to realize it.
So I need to draw sketch of drift chamber with cylindrical tubes (made-up of 3 layers). In parallel I need to draw X-line and Y-Line (Y-line should pass through second layer of tubes). And I need possibility to draw straight line (charged particle’s track) crossing that chamber anyhow.

Could you help me?

Thank you.

The picture have been attached.


#2

Check out TEllipse and TLine.